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Cross-browser testing: All major browsers on ONE machine
...d).
Safari: 5.1.7 (Windows) + Latest version. Release notes
Unfortunately, Apple dropped support for Windows, so you need to get a Mac or run OS X in a VM to test pages in Safari.
Chrome: Latest stable version. Release notes
Internet Explorer: IE8+. Feature history
This actually depends on your clie...
Best way to represent a fraction in Java?
...
It just so happens that I wrote a BigFraction class not too long ago, for Project Euler problems. It keeps a BigInteger numerator and denominator, so it'll never overflow. But it'll be a tad slow for a lot of operations that you know w...
How to become an OpenCart guru? [closed]
...$this->config->get($key) - returns setting value by keyname based on application (catalog or admin)
$this->config->set($key, $value) - set the value to override the setting value. DOES NOT SAVE TO DATABASE
CURRENCY
$this->currency->set($currency) - set or override the currency cod...
When should I use Arrow functions in ECMAScript 6?
...
A while ago our team migrated all its code (a mid-sized AngularJS app) to JavaScript compiled using Traceur Babel. I'm now using the following rule of thumb for functions in ES6 and beyond:
Use function in the global scope and for Object.prototype properties.
Use class for object construc...
For-each over an array in JavaScript
... it handy).
Unless you're supporting obsolete browsers like IE8 (which NetApps shows at just over 4% market share as of this writing in September 2016), you can happily use forEach in a general-purpose web page without a shim. If you do need to support obsolete browsers, shimming/polyfilling forEa...
Database development mistakes made by application developers [closed]
What are common database development mistakes made by application developers?
40 Answers
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What is the list of supported languages/locales on Android?
...al Answer :
As of Android 5.0, all languages in BCP 47 are available for application development (they may not necessarily be available for selection in a given device's system settings, though). When using ISO 639-1 codes, the resource folder has the format values-xx... where xx is the ISO-639-1...
How to write a scalable Tcp/Ip based server
I am in the design phase of writing a new Windows Service application that accepts TCP/IP connections for long running connections (i.e. this is not like HTTP where there are many short connections, but rather a client connects and stays connected for hours or days or even weeks).
...
【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
... AF_INET)) {
release_sock(sk);
return -EINVAL;
}
goto do_append_data; //有数据pending，就往后添加
}
release_sock(sk);
}
ulen += sizeof(struct udphdr); //否则开始一个新的udp包
/*
* Get and verify the address.
*/
if (msg->msg_name) {
DECLARE_S...
How does Google Instant work?
...h href\x3d\x22http://stackoverflow.com/\x22\x3e\x3cscript\x3eje.pa(_loc, \x27rso\x27, \x27\\x3c!--m--\\x3e\\x3clink rel\\x3dprefetch href\\x3d\\x22http://stackoverflow.com/\\x22\\x3e\\x3cli class\\x3dg\\x3e\\x3ch3 class\\x3d\\x22r\\x22\\x3e\\x3ca href\\x3d\\x22http://stackoverflow.com/\\x22 class\\x...