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JavaScript tutorial - Creating time delays
There are two ways of creating time delays with JavaScript. The first is more simple and will simply wait for a specified amount of time before executing a function. The second does the same but will repeatedly execute the function. Note, many browsers have a minimum delay length of between 25 and 75 ms, with some of the fastest browsers having a minimum delay of about 3 ms. If a shorter delay is specified, the actual delay will be the minimum delay length. Even with higher numbers, the delay i...
JavaScript,Time delay,setTimeout,setInterval 2012-04-13 07:17:46
The worst program I ever worked on
Most contract jobs fade pretty quickly in memory after the work is done, but some you remember for the rest of your life. This is one of the latter variety. This happened long ago, at a (fair sized) company that shall remain nameless. The software was a chunk of code that had been maintained by a single guy that had been fired recently and was a core component of a commercial system. So far nothing unusual, companies tend to find out that they have a piece of critical knowledge in one head all ...
10 tools to make your shell script more powerful
Many people mistakenly think that shell scripts can only be run in command line. In fact shell can also call some GUI components such as menus,alert dialogs, progress bar etc. You can control the final output, cursor position and various output effects. Here we introduce some tools which can help you create powerful, interactive and user friendly Unix/Linux shell scripts. 1. notify-send This command can let you inform the process to send a desktop notification to users. This can be used to send ...
Top 10 Best Free PHP Frameworks of 2015
Like it or not, PHP is still, the most celebrated as well as an influential platform which is widely admired for its brilliant HTML, database integration support, intuitive features, and simple in learning too. Using diverse PHP frameworks, developers can create robust, effective, well- defined and stable web application with an ease and therefore, saving towards development cost is possible. In essence, these frameworks facilitate scalability and enduring maintenance by obeying developm...
PHP FRAMWORKS,CAKEPHP,LARAVEL,CODEIGNITER,ZEND ,PHALCONPHP,YII ,FUELPHP,SYMFONY,PHPIXIE,SLIM 2015-10-02 04:56:03
GCC is compiled with C++ compiler
On 15 Aug, 2012, GCC merged a patch--Merge from cxx-conversion branch . This means GCC will be compiled with C++ compiler in the future, it also means that GCC will be implemented using C++. You may have following two puzzles: Why does GCC turn to C++? Without C++ compiler, how can we compile C++ codes? Why using C++? In GNU's C++ Conversion, we can find this description in the background section: Whether we use C or C++, we need to try to ensure that interfaces are easy to understan...
C++ 11 Memory Management
Enterprise development and networking specialist Stephen B. Morris illustrates how to handle a classic C/C++ problem by using the new features in C++ 11 in conjunction with more established techniques.Memory management has always been one of the most error-prone areas of C++. The same is true of C. One of the strengths of managed languages, such as Java and C#, is their support for automatic garbage collection. Garbage collection still isn't a feature of C++ 11, so we must still be caref...
C++ 11,Memory management,GC,Memory leak 2012-01-10 01:14:59
The Book That Every Programmer Should Read
No, it’s not Knuth’s “The Art of Programmingâ€. I’m talking about quite an easy-to-read (compared to TAoP) book, which, in fact, does not require any engineering or mathematical background from the reader.I am talking about C. Petzold’s “CODEâ€. It is a truly remarkable book about how computers work. Let me explain why I think this book is so awesome.The book starts from the very beginning, from explaining what code is, bringi...
Programmer,Book,Must read,CODE,C. Petzold 2011-10-31 10:43:58
Python internals: adding a new statement to Python
This article is an attempt to better understand how the front-end of Python works. Just reading documentation and source code may be a bit boring, so I’m taking a hands-on approach here: I’m going to add an until statement to Python. All the coding for this article was done against the cutting-edge Py3k branch in the Python Mercurial repository mirror. The until statement Some languages, like Ruby, have an until statement, which is the complement to while (until num == 0 is equi...
Python,New statement,Research,Addition 2012-03-12 07:32:24
9 Outstanding Ways Artificial Intelligence Can Transform Retail
Artificial intelligence has been around for quite some time. However, Amazon was the first company to apply it in the retail industry. Now, it automates most processes on the platform, replaces the people's’ work, and increases the productivity in every possible field. Here are nine useful ideas for you to start using AI in retail. 1. Tracking the Overstock and Out-of-Stock Items It is necessary to know exactly how many items are left in stock (or whether there are any left at all). Selle...
BUSINESS,ARTIFICIAL INTELLIGENCE 2019-01-22 08:41:02
Mozilla Firefox Browser Tips & Tricks You Didn't Know About
Chrome might be all the rage right now, but Mozilla’s Firefox browser has always held its own in the browser wars. This open-source browser has its core set of dedicated fans and is popular under a broad user base across the world. With Firefox’s faster web page download speeds and strong privacy policies, it’s not hard to imagine why. But there are some other brilliant features that many might have missed. Take a look at these seven Firefox tricks that many users don’t k...
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