Sunday, March 29, 2020
Web Design Plays an Essential Role in Website Development
Designing websites is now a major service in the fast moving world of Internet business. The number of websites to be found on the World Wide Web has mushroomed and thus so has the importance of web design to business. All burgeoning and successful companies are eager to run a successful website and every thrusting businessman wants to improve the prospects of their business via the Internet, which is why website designing has become a flourishing business in itself.
As a result, website designing now forms a critical part of the web development process. Building attractive, glamorous and easily navigable websites have far greater appeal to users than ones that are uninteresting. It is in this area that web designing plays a critical role. It is only the websites with the best web design that will win over the best users or subscribers. Therefore, websites are one of the most important tools a business can have to bring clients straight to your business and help business to achieve their full business potential.
Designing a website is a complex activity which needs a thorough understanding of the process and any agency employed needs to be able to translate your company's Internet aspirations into reality. It is much better to hire a professional web designer to serve your purpose and to build a bespoke website for your business, rather than using a template supplied by your domain provider. It is also not a good idea to outsource your requirements to other countries offering cheap web design because not only is there the possibility of language barriers so that you may not get your message across to the designer, but there may also be cultural differences which could result in a website that is not suitable for the main target audience of your products and services.
It is preferable to find a website design agency that allows you to outline your requirements clearly, perhaps by asking for your favourite colour schemes, perhaps naming three of your favourite sites so they can see what you like and who are generally prepared to listen to what you want. Being able to clearly identify your requirements at the outset will not only lead to the swift design of your website, but also avoids the unnecessary redesigning and reworking of designs. Everyone who wants a website will prefer to have it done efficiently first time around.
In order to facilitate this, there are a number of steps involved in designing a site that works well and is appealing. You need to be very clear about what you believe would best suit your business needs and your website needs to be in tune with the type of business you are operating. The site needs to be easy to navigate and user-friendly.
When choosing a designer, look carefully at their portfolio and experience and ensure they can handle complex design projects. With a little research, it is perfectly possible to find affordable web design, but research is vital for this to be effectively achieved.
Saturday, March 28, 2020
GitHub for mobile is now available
GitHub for mobile is now available
Now GitHub is available for mobile as a fully-native GitHub experience on iOS and Android. You can get in touch with your team, issues, and even merge code from your mobile phone at anywhere.
What you do with GitHub mobile:
Organize tasks in a swipe: Get your inbox to zero in no time—swipe to finish a task or save the notification to return to it later.
Give feedback and respond to issues: Respond to comments while you’re on the go.
Review and merge pull requests: Merge and mark pull requests to breeze through your workflow, wherever you are.
With GitHub for mobile, you get a more seamless notification experience, whether you’re at your desk or on the go—now featuring our newest updates to notifications.
Get the app
GitHub for mobile is available from Google Play or the App Store for individual plans, Team, and Enterprise Cloud. We’re working hard to add features and APIs so we can support Enterprise Server later this year.
There’s a lot more to come, so don’t forget to check back as we continue to make GitHub for mobile even better.
Wednesday, February 19, 2020
What is a Computer Virus
An important difference between computer viruses and worms is that viruses require an active host program or an already-infected and active operating system in order for viruses to run, cause damage and infect other executable files or documents and the worms are stand-alone malicious programs that can self-replicate and propagate via computer networks without any human help.
Viruses are typically attached to an executable file or a word document. They often spread via P2P file sharing, infected websites, and email attachment downloads. Once a virus finds its way onto your system, it will remain dormant until the infected host file or program is activated, which in turn makes the virus active enabling it to run and replicate on your system.
Worms, on the other hand, don't need a host program in order for them to run, self-replicate and propagate. Once a worm has made its way onto your system, usually via a network connection or as a downloaded file, it can then make multiple copies of itself and spread via the network or internet connection infecting any inadequately-protected computers and servers on the network. Because each subsequent copy of a network worm can also self-replicate, infections can spread very rapidly via the internet and computer networks.
The Viruses and Worms are malicious software programs. Please check the following:
It’s recommended that you install anti-malware software on all of your devices – including PCs, laptops, Macs and smartphones – and that your anti-malware solution receives regular updates, in order to protect against the latest threats. A good anti-malware software product – such as Kaspersky Anti-Virus – will detect and prevent virus and worm infections on your PC, while Kaspersky Internet Security for Android is an excellent choice for protecting Android smartphones. Kaspersky Lab has products that protect the following devices:
Viruses are typically attached to an executable file or a word document. They often spread via P2P file sharing, infected websites, and email attachment downloads. Once a virus finds its way onto your system, it will remain dormant until the infected host file or program is activated, which in turn makes the virus active enabling it to run and replicate on your system.
Worms, on the other hand, don't need a host program in order for them to run, self-replicate and propagate. Once a worm has made its way onto your system, usually via a network connection or as a downloaded file, it can then make multiple copies of itself and spread via the network or internet connection infecting any inadequately-protected computers and servers on the network. Because each subsequent copy of a network worm can also self-replicate, infections can spread very rapidly via the internet and computer networks.
How Do Computer Viruses Spread?
The Viruses and Worms are malicious software programs. Please check the following:
- Email-Worm
- IM-Worm
- IRC-Worm
- Net-Worm
- P2P-Worm
- Virus
- Computer Worms
Most known computer worms are spread in one of the following ways:- Files sent as email attachments
- Via a link to a web or FTP resource
- Via P2P (peer-to-peer) file sharing networks
- Via a link sent in an ICQ or IRC message
- Some worms are spread as network packets. These directly penetrate the computer memory, and the worm code is then activated.
- Computer worms can exploit network configuration errors (for example, to copy themselves onto a fully accessible disk) or exploit loopholes in operating system and application security. Many worms will use more than one method in order to spread copies via networks.
- Viruses
Viruses can be divided according to the method that they use to infect a computer:- File viruses
- Boot sector viruses
- Macro viruses
- Script viruses
- Any program within this subclass of malware can also have additional Trojan functions.
How to protect yourself against Computer Viruses and Worms
It’s recommended that you install anti-malware software on all of your devices – including PCs, laptops, Macs and smartphones – and that your anti-malware solution receives regular updates, in order to protect against the latest threats. A good anti-malware software product – such as Kaspersky Anti-Virus – will detect and prevent virus and worm infections on your PC, while Kaspersky Internet Security for Android is an excellent choice for protecting Android smartphones. Kaspersky Lab has products that protect the following devices:
- Windows PCs
- Linux computers
- Apple Macs
- Smartphones
- Tablets
Tuesday, February 18, 2020
What is SEO and How It Works?
What is SEO and How It Works?
Image Credit: Ownly Digital
SEO stands for search engine optimization, which is the process of optimizing your website to get organic or unpaid traffic from the search engine results page. If your business isn’t online then You're Losing Potential Customers.
The three key parts of any Website SEO
Generally, you can start the 3 search engine optimisation (SEO) areas below.
Technical SEO.
On-page SEO.
Off-page SEO.
1. Technical SEO
If you would plan to buy a house then deffinitely you should check the location and connectivity, right?
Thus, the navigation and crawling play a significant role in your website's SEO.
It simply means the website should have a good structure (Categorized & Organized) so that it is easy for both users and the search engine to understand what kind of the website is.
And, as illustrated in the chart below, one should not have more than three levels of pages. In other words, site visitors should only have to click three times (at most) to find what they want.
Below we list the three parts of technical SEO
Site map
A site map is a list of all the pages on your website and it helps Google index your web pages easily. It allows webmasters to include additional information about each URL.
SSL certificate
SSL Certificates are small data files that digitally bind a cryptographic key to an organization's details. When installed on a web server, it activates the https protocol and allows secure connections from a web server to a browser.
Google has confirmed that the SSL certificate is a site ranking factor. In its attempt to provide the best service to its users, Google does not support any website that does not protect their visitors data privacy.
If your website does not have SSL certificate, Google will label it “Not secure.”
Site speed and uptime
Site speed and uptime are also the most important factors of website SEO.If your website is down most of the time, then Google might even de-index your website ranking if you didn’t fix the issue in time. So make sure that your hosting provider guarantees at least 99.9% site uptime. If your current web host cannot make such a guarantee, consider switching to one that can assure uptime guarantee.
2. On-page SEO
On-page SEO is the practice of optimizing individual website pages in order to rank higher and earn more relevant traffic in search engines. On-page refers to both the content and HTML source code of a page that can be optimized. You should optimize your website titles, descriptions and content for getting higher rank and more traffic. Keywords also play a vital role in on-page site optimization. A keyword is a search term that user type into the search engine while they looking for any information.
3. Off-page SEO
Off-page, SEO is all about links building and social media marketing.
Link Building
Link building is the most popular and effective off-Page SEO approach. Link building is the process of getting other websites to link back to your website.
There are number of ways to increase link count in Google webmaster. The most popular ways are:
Blog Directories: something like yellow pages but each post or entry had a link pointing to a website. If you submit your blog or website to blog directories then it will help you a lot to improve your Search Engine Result Page.
Forum Posting: Many people are commenting on forums for the idea of getting a link back to their website.Forum Posting is an ideal method to quickly build inbound links to the website.
Blog Commenting: Blog commenting in SEO is the process of posting comments on website pages with a backlink to your own website.
Article Directories: If you will publish your articles in article directories you could get a link back to your website.
Social Media Marketing
Social media marketing is one of the important part of “off-site SEO” It connect with your audience to build your brand, increase sales, and drive website traffic. Social media promotion can also boost SEO.
Difference Between Cloud and VPS Hosting
Difference Between Cloud and VPS Hosting
In this article, we are going to tell you about two of the most popular and reliable forms of web hosting – Cloud and VPS Hosting. Also, we will list down the difference between VPS and Cloud.
What is Cloud Hosting?
Cloud Hosting is an arrangement where multiple machines that are connected within a network act as one. With the Cloud Hosting you get all the benefits of cloud technologies as well as the ease and simplicity of Shared Hosting. It provides you the power to scale your RAM and CPU resources and also maintaining redundant copies of your storage to protect against disk failure.
What is VPS Hosting?
VPS stands for Virtual Private Server. VPS Hosting is more like a hybrid of Shared Hosting and Dedicated Hosting. In VPS, a single server is breaked up into different sections with a software known as the hypervisor where in each section acts as an autonomous server. Each of these virtual compartments servers share the resources such as bandwidth, space, operating systems, etc. of the parent server amongst themselves. However, none of these ever have to bear the brunt of the over-usage of another server or even get affected by any failure in any of the servers.
Cloud Hosting vs VPS Hosting
Performance
Cloud Hosting have higher availability, better uptimes and blazing fast website load speed and VPS Hosting provides a fixed level of performance since a set level of system resources are dedicated to each virtual server.
In a Cloud Hosting , there are multiple servers connected to each other that store copies of your data. So, in case there is a failure in any of the servers, another available server takes up its operations as files and functional responsibilities of the failed server are instantly migrated to it without any downtime. Thus, there is no single point of failure with Cloud Hosting.
In the case of VPS Hosting, your server is partitioned using a hypervisor. which enables your website to perform optimally with lesser requirements. VPS Hosting makes use of KVM (Kernal-based Virtual Machine).
However, a single point of failure on the part of the parent server i.e. the physical server will lead to a disruption in functioning, and eventually failure of all the virtual servers on that machine. Usually, high demands by one or more virtual servers on the same physical server has the potential to impact the performances of both the affected servers if both of them need extra resources at the same time.
Scalability
The easy availability of truly high processing power makes Cloud Hosting certainly a lot more reliable and scalable. Cloud Hosting allows you to upgrade your RAM and CPU resources on-demand with a single click whenever you experience a spike in website traffic.
In the case of VPS Hosting, you can neither scale your resources nor the plans.
Customization
With Cloud Hosting you can install various applications with a single click from cPanel. However, one may have less control over the hosting settings when it comes to distributing functions across multiple servers.
Customization with respect to VPS Hosting works in the same fashion as it does for a Dedicated Server. VPS hosting gives users full root access replete with complete control over the operating systems, the website as well as all the software. Customization and configuration can be done as desired. However, since every physical host system is capable of running only one OS, the choice of OS may be limited in case the provider doesn’t provide many choices.
Cost
Cloud Hosting, relatively, costs lesser than VPS Hosting since your server space is shared with other users on the server.
VPS Hosting is usually more expensive than Cloud Hosting. This is because your server space is isolated and you get guaranteed server resources that not shared by others.
Tuesday, February 11, 2020
The Benefits of Having a Dental Website
Since a long time ago, healthcare businesses have had to rely on conventional forms of advertising such as community newspapers and the yellow pages to promote their services. In today's world, there are more than 200 million people surfing the internet on a daily basis to find local services and stores. In fact, more than 75% of consumers are now shopping online for products and services. Today, the health service industry must modify their marketing strategies to reach potential patients.
Today, dental experts can make their own professional dental website. With a moderate dental website composition, a dental practice will set up a solid expert online nearness and make the data about the training and the sorts of administrations they offered, for example, general dentistry, pediatric dentistry, orthodontics, corrective dentistry, and the sky is the limit from there, accessible to online clients. As well, a website can serve as a dental practice online because the dentist has the ability to streamline the appointment process, introduce the dentistry staff with bios and pictures, provide a virtual tour of the office, answer frequently asked questions, provide maps and directions to the office, make it more convenient for patients to contact the office, and show educational videos. A practice also has the option of providing downloadable documents for patients to print, fill out, and bring to the office. It can significantly cut down on patient admission time.
There are dental websites that will meet the needs of both small, medium, and large dental practices. You can have a custom built dental site specifically designed for an individual dental practice that will be unique to all other dental websites. You will have your own logo, colors, pictures, graphics, and layout and design. You will also have a domain registry, search engine placement and optimization, directory listings, email accounts, and monthly website statistics. As well, you will have the option of providing secure patient online registration or booking module. The registration information can be confirmed and entered in the new patient account from the comfort of the office administration desk. You can send out regular newsletters to your patients for keep them updating regarding the offers or your service details. You can even have an option to accept secured online payments by patients.
Having a customized dental website design allows dentists to gain a competitive edge over other dental practices. In this technology driven age and the ever growing and expanding internet, it is essential for every business to have a website. A dental website will show customers you are not only a professional dental practice, but also a practice that values its patients.
Today, dental experts can make their own professional dental website. With a moderate dental website composition, a dental practice will set up a solid expert online nearness and make the data about the training and the sorts of administrations they offered, for example, general dentistry, pediatric dentistry, orthodontics, corrective dentistry, and the sky is the limit from there, accessible to online clients. As well, a website can serve as a dental practice online because the dentist has the ability to streamline the appointment process, introduce the dentistry staff with bios and pictures, provide a virtual tour of the office, answer frequently asked questions, provide maps and directions to the office, make it more convenient for patients to contact the office, and show educational videos. A practice also has the option of providing downloadable documents for patients to print, fill out, and bring to the office. It can significantly cut down on patient admission time.
There are dental websites that will meet the needs of both small, medium, and large dental practices. You can have a custom built dental site specifically designed for an individual dental practice that will be unique to all other dental websites. You will have your own logo, colors, pictures, graphics, and layout and design. You will also have a domain registry, search engine placement and optimization, directory listings, email accounts, and monthly website statistics. As well, you will have the option of providing secure patient online registration or booking module. The registration information can be confirmed and entered in the new patient account from the comfort of the office administration desk. You can send out regular newsletters to your patients for keep them updating regarding the offers or your service details. You can even have an option to accept secured online payments by patients.
Having a customized dental website design allows dentists to gain a competitive edge over other dental practices. In this technology driven age and the ever growing and expanding internet, it is essential for every business to have a website. A dental website will show customers you are not only a professional dental practice, but also a practice that values its patients.
Sunday, February 2, 2020
How to maintain a website?
Frequent content updates can add credibility to your website.We can take care of website maintenance for you, so that you don't have to worry about keeping your site well maintained and optimized.
1. Content Updates
We will keep your website well maintained and optimized by frequently updates and enhance the traffic.
2. Link Checks & Validation
Link Checks & Validation process not just tells you which of your links are dead but it will also show to your where exactly locate in your HTML code.
3. Loading Time & Speed Checks
Website Speed Test { Pingdom, GTmetrix } to help you analyze the load speed of your websites and learn how to make them faster. We provide actionable recommendations on how to optimize it.
4. Review your KPIs, SEO and analytics reports
We will set and measure the KPIs (key performance indicators), SEO ranking and the website analytics for at least a month.
5. Security updates and bug fixes
We will take care your website Security updates,bug fixes and check your website and take precautionary measures against SQL Injection.
6. Check backups
Download the backup to our remote server and keep it stored safely.
- ✔ Changing demands with strategic planning
- ✔ Provide access to an online helpdesk
- ✔ Overall site improvements
- Product/service updates
- ✔ Monthly website review
How to maintain a website
1. Content Updates
We will keep your website well maintained and optimized by frequently updates and enhance the traffic.
2. Link Checks & Validation
Link Checks & Validation process not just tells you which of your links are dead but it will also show to your where exactly locate in your HTML code.
3. Loading Time & Speed Checks
Website Speed Test { Pingdom, GTmetrix } to help you analyze the load speed of your websites and learn how to make them faster. We provide actionable recommendations on how to optimize it.
4. Review your KPIs, SEO and analytics reports
We will set and measure the KPIs (key performance indicators), SEO ranking and the website analytics for at least a month.
5. Security updates and bug fixes
We will take care your website Security updates,bug fixes and check your website and take precautionary measures against SQL Injection.
6. Check backups
Download the backup to our remote server and keep it stored safely.
Top 3 programming languages
Top 3 programming languages
Programming languages have been shaping our Market since the beginning of IT era. Now, This is the reason why there are dozens of programming languages these days in the industry. So we have put together a list of top 3 programming languages that you have to learn to succeed in the year 2020.
Python:
Python is an interpreted, high-level, general-purpose programming language. It is world's fastest growing and most skillfully-liked programming language used by software engineers, analysts, data scientists. It is the most powerful programming language worldwide at the moment. You can learn to use Python and see almost immediate gains in productivity and lower maintenance costs.
These are top 3 best Python web framework for beginners:
- Flask
- Django
- Pyramid
- Turbo Gear
Pros:
- Procedural and object-oriented programming
- It can be extended to other languages
- Focuses on code readability
- Free and Open-Source
- Provides support for a multitude of platforms and systems
- Easy to learn and use
Cons:
- Not suitable for mobile computing and browsers
- Python is also responsible for the slow speed
- Python’s database access layers are a bit underdeveloped
JavaScript:
The most used programming language now a days is JavaScript. The Javascript programming language is used largely to create internet sites and web applications. Website pages are not only the place where JavaScript is used. Many desktop and server programs use JavaScript. Node.js is the best known. Some databases like MongoDB and CouchDB also use JavaScript as their programming language.
Pros:
- Client-side JavaScript is very fast
- The programming language of the web
- Provide a rich interface to a website
- Easy language to learn
Cons:
- Sometimes interpreted differently by different browsers
- Absence of copy or equivalent method
- Anyone can view JavaScript code
Java:
Java is a general-purpose programming language that is class-based, object-oriented, and designed to have as few implementation dependencies as possible. It is used for Mobile applications, Desktop applications, Web applications, Web servers and application servers, Games and much more!
Pros:
- Works on different platforms
- Object oriented language
- Free and Open-Source
- Huge community support
- Easy to learn and use
Cons:
- Take much longer time to run compared to C/C++
- Expensive memory management
Why Ecommerce Website Is Needed for Your Retail Business?
Why Ecommerce Website Is Needed for Your Retail Business?
An eCommerce website is a website which allows your business to sell products and services to their online audience.
As a seller having an eCommerce website, you can tell your customers about your company, showcase your products and services. Also, you take payments online from your store.
With the rapid growth of the online market, here are some of the reasons to get a website for your retail business.
Extends Your Brand
Consistently the number of online users expanded by some rate and half of them invest energy in seeking and shopping of products. Thus, web-based business website can be a reachable device to evolve your brand image after that door to internet showcasing facilities and eCommerce utilities.
This will enable you to grow your business online.
Higher Conversion Rate
Potential customers are more likely to make purchases when they can place their order instantly, rather than waiting for a regular store to open.
Ease of Shopping
Ability to be open 24/7-with an eCommerce website, you will give your customers to purchase from you not just during regular store hours but throughout the day.
Also, individuals don't generally have much time to go out and see through the things they fascination to get, therefore they go online shopping for those things what they needed. This demonstrates the online retail business is very helpful for shoppers since it has no time requirement.
More Customers
More than 2 billion persons use the internet each day, and some 90% of those have obtained something, or reached an organization, online over the most recent a year. The online store not only helps you to retain existing customers but also attract new ones. Website is a big field where you can discover billions of customers online, hunting beside something, or creating something applicable to them. A large number of customers may see for products and ventures for their benefit.
Large Product Catalog
If you have a website you can easily create a product catalog for your store. The website lets you add multiple options to your products including size, color, etc if you needed. Also, you can change your products images and do upload unlimited number of products.
Friday, January 31, 2020
Google algorithms update guide 2019
Google algorithms update guide 2019
Google's algorithm update 2019
Google's algorithms are the most common words we find while surfing through the internet. Algorithms are a basic set of rules for solving a problem through a few numbers of steps. Google is the giant encyclopedia for information. Google offers you answers for queries you type in. Now the question is how does Google do that? Well, Google performs a set of rules that does the job and It's known as "Google's algorithms."
What are Google's algorithms?
Google's algorithms are a highly developed system used to retrieve data from its search index and instantly focus on the best possible results for a query. The Google search engine uses a combination of algorithms and ranking signals to deliver to web pages.
All Google algorithms
1. Google Panda
2. Google Penguin
3. Google Fred
4. Google Hummingbird
5. RankBrain
6. Google Pigeon
What are Google’s Algorithm updates of 2019?
Every year Google updates its algorithms to enhance the feel of web experience for users. Let us have a see at the algorithm updates introduced by Google in 2019.
Google Update Nov 2019
Many SEO experts and webmasters, especially from the USA, observed significant fluctuations in search engine rankings. Especially the rankings of little and medium-sized websites in the USA were affected. The sites joined to health, food and travel were the primary sectors that suffered the brunt. As always, back it is not a wide update that requires any fix, Google has just asked to focus upon high-environment content.
BERT Algorithm Update Oct 2019
The BERT algorithm expands as Bidirectional Encoder Representations from Transformers. The algorithm helps the robot to process the natural language queries are typed in by the users in the context intended by the user to apportion the best search results.
The Broad Core Algorithm Update Sep 2019
The Broad Core Algorithm Update (Sep 2019) mainly focus on links. The SEO specialists noticed a decreasing rank of sites that use irrelevant 301 divert trick.It is noticed that sites that used connections of expired domains suffered ranking demotions.
Jun 2019 Core Update
Google rolled out another significant update called the June 2019 core update along with the diversity algorithm updates.
The core update focused on the following details.
The algorithm focused on content that is comprehensive, insightful and original. The algorithm was strictly against clickbait headlines and concentrated on the authoritativeness of the material. Google says that the best kind of content inspires people to bookmark the content and cite in print.
Quality of the author and their expertise is essential. Also, include authentic details of the author.
The style of presenting the content to the audience. The main focus was on the number od Ads displayed along with the main content, which may distract the user from the main content and also the mobile-friendly presentation. The basic idea is a mobile-first.
The algorithm compared the quality of pages in the same niche for the concerned keyword. The content required to offer substantial information for the relevant query that served the interest of the audience. Only engaging content can increase the time users spend on your site. Higher engagement means higher traffic and more top ranking.
March 2019 Core Update (Google's Florida 2)
Google's Florida 2 improve the ranking of websites that had unique and high-quality content, and that considered user intent. The update did not solely focus on directly penalizing the websites.
The impact of Florida 2.
High traffic to sites with high-quality content and fast page speed.
Ranking changes for short term keywords.
Google deciphering search queries leaning more towards intent.
Mobile search engine results pages was more unpredictable than the desktop search engine results pages.
Thursday, January 30, 2020
List Of MySQL Restrictions and Limitations
1. limitations on Stored Programs
The following additional limitations apply for stored programs:
Some of the limitations mentioned here apply to stored procedures and stored functions.
SQL Statements Not allowed in Stored Routines
Stored routines can't contain arbitrary SQL statements. The following statements are not allowed:
The locking statements LOCK TABLES and UNLOCK TABLES.
ALTER VIEW. LOAD DATA and LOAD TABLE.
SQL prepared statements PREPARE, EXECUTE & DEALLOCATE PREPARE can be used in stored procedures, but not into stored functions or triggers. So the stored functions and triggers can't use dynamic SQL.
Inserts can't be delayed. INSERT DELAYED is accepted but the statement is taken care of as a normal INSERT.
Limitations for Stored Functions
The following additional statements or operations are not allowed within stored functions. They are allowed within stored procedures, except stored procedures that are invoked from within a stored function or trigger. For example, if you use FLUSH a stored procedure, that stored procedure can't be called from a stored function or trigger.
Statements that perform explicitly or implicit commit or rollback. Support for these statements is not required by the SQL standard, which states that each DBMS vendor may decide whether to permit them.
Stored functions can't be used recursively.
A stored function or trigger can't modify a table that is already being used by the statement that invoked the function or trigger.
Limitations for Triggers
The following additional limitations apply for triggers:
Triggers are not activated by a foreign key actions.
When using row-based replication, triggers on the slave are not activated by statements originating on the master. The triggers on the slave are activated when using statement-based replication.
The RETURN statement is not allowed in triggers, which can't return a value. To exit a trigger immediately, use the LEAVE statement.
Triggers are not allowed on tables in the mysql database. Nor are they allowed on INFORMATION_SCHEMA or performance_schema tables. Those tables are actually views and triggers are not allowed on views.
The trigger cache does not detect when metadata of the underlying objects has changed. If a trigger uses a table and the table has changed since the trigger was loaded into the cache, the trigger operates using the outdated metadata.
Name Conflicts within Stored Routines
The same identifier might be used for a routine parameter, a local variable, and a table column. Also, the same local variable name can be used in nested blocks. In these cases, the identifier is ambiguous and the following precedence rules apply:
A local variable takes precedence over a routine parameter or table column.
A routine parameter takes precedence over a table column.
A local variable in an inner block takes precedence over a local variable in an outer block.
Debugging Considerations
There are no stored routine debugging facilities.
Event Scheduler limitations
The following limitations are specific to the Event Scheduler:
Event names are taken care of in case-insensitive fashion. For example, you can't have two events in the same database with the names anEvent and AnEvent.
An event may not be created, altered, or dropped from within a stored program, if the event name is specified by means of a variable. An event also may not create, alter, or drop stored routines or triggers.
DDL statements on events are prohibited while a LOCK TABLES statement is in effect.
2. Limitations on Views
The maximum number of tables that can be referenced in the definition of a view is 61.
View processing is not optimized:
Not possible to create an index on a view.
Indexes can be used for views processed using the merge algorithm. However, a view that is processed with the temptable algorithm is unable to take advantage of indexes on its underlying tables.
3. Limitations on Condition Handling
SIGNAL, RESIGNAL, and GET DIAGNOSTICS are not allow as prepared statements.
4. Limitations on Cursors
The following limitations are specific to the Event Scheduler:
Cursors are read-only; you cannot use a cursor to update rows.
UPDATE WHERE CURRENT OF and DELETE WHERE CURRENT OF are not implemented, because updatable cursors are not supported.
Cursors are non-holdable.
Cursors are sensitive.
Cursors are non-scrollable.
Cursors are not named. The statement handler acts as the cursor ID.
Source:
Wednesday, January 29, 2020
India is currently a bigger cell phone market than the US
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| Photo by cottonbro from Pexels |
India
shipped 158 million units in 2019.India
surpassed the United States to turn into the second-biggest cell
phone market, as indicated by the exploration firm Canalys. Shipments
in Q3 rew 23 percent year-over-year in India, Canalys stated, putting
it behind just China.
Samsung
and Xiaomi represented about portion of the market in Q3, shipping
9.4 million and 9.2 million units separately. The market is
progressively thought, with Vivo, Oppo and Lenovo balancing the main
five brands.
Xiaomi
has done especially well in the previous year, expanding shipments by
290 percent despite the fact that the brand has battled with
mid-extend gadgets. Be that as it may, Canalys Analyst Rushabh Doshi
said in an announcement, "we foresee Xiaomi's proceeded
go-to-advertise developments will permit it to surpass Samsung inside
two or three quarters."
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<div id="content">Welcome to Wild Coders, the online community for coders who are passionate about coding and love coding. </div>
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<button id="show">Show</button>Tuesday, December 31, 2019
Thursday, December 26, 2019
What can you do on WordPress.com?
WordPress.com gives you everything you need to create anything you want.It’s flexible, secure, powerful and most popular, just like you want your business to be.
Promote your products, use advanced statistics and SEO tools, and connect with built-in audiences on social media to grow your business.
Process payments, configure taxes and shipping, build a marketing plan—you make the widgets, we’ll make the website.
Everyone has a point of view. Make your mark online with the world’s greatest blogging tool, and join a community millions strong that’s waiting to hear what you have to say.
Thousands of themes means there’s a layout that’s just right for you, while storage and design options ensure you can upload anything you need to and give your work the stage it deserves.
Build a fan base.
Promote your products, use advanced statistics and SEO tools, and connect with built-in audiences on social media to grow your business.
Online store
Process payments, configure taxes and shipping, build a marketing plan—you make the widgets, we’ll make the website.
Start a blog
Everyone has a point of view. Make your mark online with the world’s greatest blogging tool, and join a community millions strong that’s waiting to hear what you have to say.
Design a portfolio
Thousands of themes means there’s a layout that’s just right for you, while storage and design options ensure you can upload anything you need to and give your work the stage it deserves.
Thursday, October 24, 2019
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Payza integration
Payza's Advanced Button in HTML Using simple HTML, you can integrate easily with Payza.Generate buttons and manage payment details f...
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