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What does __FILE__ mean in Ruby?
I see this all the time in Ruby:
4 Answers
4
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Running Composer returns: “Could not open input file: composer.phar”
...l you to do the following:
$ curl -sS https://getcomposer.org/installer | php
$ mv composer.phar /usr/local/bin/composer
Then it's likely that you, like me, ran those commands and didn't read the next part of the page telling you to stop referring to composer.phar by its full name and abbreviate ...
PHP regular expressions: No ending delimiter '^' found in
...
PHP regex strings need delimiters. Try:
$numpattern="/^([0-9]+)$/";
Also, note that you have a lower case o, not a zero. In addition, if you're just validating, you don't need the capturing group, and can simplify the rege...
Javascript object Vs JSON
...ort these, you should include json2.js.
If you're using jQuery, you can call jQuery.parseJSON(), which will use JSON.parse() under the hood if it's supported and will otherwise fallback to a custom implementation to parse the input.
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PHP variables in anonymous functions
I was playing around with anonymous functions in PHP and realized that they don't seem to reach variables outside of them.
Is there any way to get around this problem?
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How to get a cross-origin resource sharing (CORS) post request working
...
I finally stumbled upon this link "A CORS POST request works from plain javascript, but why not with jQuery?" that notes that jQuery 1.5.1 adds the
Access-Control-Request-Headers: x-requested-with
header to all CORS requests....
程序崩溃时malloc/new可能导致死锁，程序卡死退不出 - C/C++ - 清泛网 - 专...
...会发生死锁现象。而且只有崩溃时才有malloc的可重入性的问题。
2、Linux下可以通过添加一个宏 _REENTRANT 解决（编译时使用libc中安全可重入的malloc函数），Windows未知。
另外，Windows Server2016服务器C++崩溃时容易不彻底，导致卡...
领域驱动设计系列 (四)：事件驱动下 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...码，不用修改原来的代码吧，说好的OCP没骗你吧？ 那么问题来了，发出事件的人和接受事件的人怎么联系上的？在现实世界中，我们都是订阅报纸来看头条知道的，但是代码里我们就需要一个协调者了。如是我们就需要一个Event...
错误解决:Xcode not set up properly. You may need to confirm the licens...
.../Applications/Xcode.app/Contents/Developer）
升级xcode 后 Qt 出问题了，google 找到了解决方法。
http://stackoverflow.com/questions/33728905/qt-creator-project-error-xcode-not-set-up-properly-you-may-need-to-confirm-t
~> Xcode 8
This problem occurs when command line too...
程序崩溃时malloc/new可能导致死锁，程序卡死退不出 - C/C++ - 清泛IT论坛...
...会发生死锁现象。而且只有崩溃时才有malloc的可重入性的问题。
2、Linux下可以通过添加一个宏 _REENTRANT 解决，Windows未知。