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SEARCH KEYWORD -- Error detection

  Fix WampServer offline issue

WampServer is a web server on Windows which provides easy to use features for PHP developers. You can easily setup a web server by installing WampSserver without much hard to understand configurations. After installing it and with a simple configuration, you just need to double click it and start all services and your server is gonna up.  If the server starts up normally, you will see a green icon which indicates the working status at the taskbar. But if you don't see the green icon shown u...

   APACHE,PHP,WAMPSERVER     2015-09-13 01:59:38

  10 super useful PHP snippets you probably haven’t seen

When working with PHP, it is very useful to have a “toolbox” of handy functions and code snippets that can save lots of time when needed. Today, I’m going to show you 10 super useful code snippets that you probably never heard of. Text messaging with PHP using the TextMagic API If for some reason, you need to send text messages to your clients cell phones, you should definitely have a look to TextMagic. They provide an easy API which allow you to send SMS to cell...

   PHP,Code,Snippet,Useful code segment     2012-01-19 11:07:16

  How Google Tests Software - Part Three

Lots of questions in the comments to the last two posts. I am not ignoring them. Hopefully many of them will be answered here and in following posts. I am just getting started on this topic.At Google, quality is not equal to test. Yes I am sure that is true elsewhere too. “Quality cannot be tested in” is so cliché it has to be true. From automobiles to software if it isn’t built right in the first place then it is never going to be right. Ask any car company that has ever h...

   Google,Software,Testing,Quality,Fidelity     2011-03-22 14:31:00

  Why Small Businesses Need Payroll System

Small businesses are scattered everywhere. The competition is soaring high. One of the ways to ensure the success of an organization is to hire the right talent and ensuring their retention.  Errors in payroll calculation can act as one of the major factors for employees to decide whether they should stay with your organization or not. The more errors, the more chances of them leaving. Errors can frustrate employees and further lower their morale.  Thus, it is crucial for you to unders...

   SMALL BUSINESS,PAYROLL SYSTEM     2021-03-08 05:35:49

  Eight C++ programming mistakes the compiler won’t catch

C++ is a complex language, full of subtle traps for the unwary. There is an almost infinite number of ways to screw things up. Fortunately, modern compilers are pretty good at detecting a large number of these cases and notifying the programmer via compile errors or warnings. Ultimately, any error that is compiler-detectable becomes a non-issue if properly handled, as it will be caught and fixed before the program leaves development. At worst, a compiler-detectable error results in los...

   C++,Compiler,Error detection     2012-04-08 09:55:20

  Introduction to DTLS(Datagram Transport Layer Security)

Secure communication has become a vital requirement on the Internet. Lots of information transferred through the Internet are sensitive data such as financial transactions, medical information, media streaming etc. To ensure security of data transferred on the Internet, a few secure protocols have been designed including SSL/TLS and IPsec. Many large websites in the world have adopted TLS. Apart from SSL/TLS, there is some other protocol designed to be used in special cases. One of them is ...

   JAVA 9,DTLS,TLS,SECURITY     2016-04-02 05:55:36

  HTTP Streaming and Internet Explorer

In early 2006, Alex Russell posted about a neat hack that the Google Talk team in Gmail use to support Comet in Internet Explorer, a trick which works as far back as IE 5.01. What great news! A reliable way to stream Comet messages to Microsoft’s browsers. If only it were that easy. I have not been alone in the following findings: after connecting the htmlfile ActiveX object as a streaming Comet transport to my Comet server, everything works perfectly for a few messages, but then abruptly...

   IE,Streaming,JavaScript,htmlfile,ActiveX     2011-09-05 04:05:23

  Demo on creating worker pool in GoLang

A worker pool is a pool where a specified number of workers(usually goroutine) created and run to pick up tasks. This can allow multiple tasks to be ran at the same time while keeping the number of workers a fixed number to avoid overuse of resource in the program. There are usually two approaches of creating worker pool. One is with fixed number of workers pre-created One is creating worker when needed until the max number of workers created In this post, we will cover the demonstration of cr...

   WORKER POOL,GOLANG,GOROUTINE     2021-01-24 05:04:00

  A list of different CAPTCHA designs

Here is a list of website CAPTCHA designs which demonstrate all kinds of weird verification methods. By looking at these designs, as a website designer, you should distinguish which design is accessible and which is not.Is this human readable?What characters are in the picture?One moreWe will be crazy if we see theseOMG,What's the answer?IQ Test?Are you a normal person?You know how blind people read?ASCII PictureAre you an adult?3D verification codereCaptchaIt increase a new feature recently. It...

   CAPTCHA,Website design     2012-07-19 11:51:06

  Understand GoLang WaitGroup internals and how it works

Background Before getting into the main content, let me give a brief introduction to WaitGroup and its related background knowledge. Here, the focus is on the basic usage of WaitGroup and the fundamental knowledge of system semaphores. For those who are familiar with these, you can skip this section directly. WaitGroup WaitGroup is one of the most common concurrency control techniques in Golang, and its function can be roughly compared to the join() in concurrency control of other languages' mul...

   GOLANG,WAITGROUP,SOURCE CODE     2023-04-26 08:02:01

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