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Java 反射最佳实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...哇，就一行代码啊，很爽吧~
爽完了，我们就来看看反射问题吧。因为不是系统给出的api，所以谷歌在不同的版本上用了不同的方法名来做处理，用反射的话我们就必须进行版本的判断，这是需要注意的，此外反射在性能方面确...
array_push() with key value pair
...
"dog" => "cat"
];
array_push($data, ['cat' => 'wagon']);
*In php 7 and higher, array is creating using [], not ()
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How to ignore files which are in repository?
I have a file (config.php), that is already commited to Git repository, but I want to ignore locally, i.e. I want that file to remain in repository, but force Git to ignore any changes to it.
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无人驾驶汽车大难题 人工智能同人的差距显著 - 资讯 - 清泛网 - 专注C/C++...
...自动驾驶的时间节点。不过，法律可能是其绕不开的一大问题。
据了解，在美国只有加州、佛罗里达州以及内华达州通过了相关的法律法规，允许自动驾驶汽车上路测试。不过其同时也要求车内必须有人并持有驾照，能在紧急...
How to fix “Incorrect string value” errors?
...upports only the Basic Multilingual Plane (i.e. no Emoji, no astral plane, etc.).
If you need to store values from higher Unicode planes, you need the utf8mb4 encodings.
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Aspect Oriented Programming vs. Object-Oriented Programming
...ecially handy for adding standard code like logging, performance tracking, etc. to methods without clogging up the method code with this standard code.
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How to prevent caching of my Javascript file? [duplicate]
...
<script src="test.js?random=<?php echo uniqid(); ?>"></script>
EDIT: Or you could use the file modification time so that it's cached on the client.
<script src="test.js?random=<?php echo filemtime('test.js'); ?>"></script>...
laravel throwing MethodNotAllowedHttpException
...rController@validateCredentials'
));
In the form use the following
<?php echo Form::open(array('route' => 'validate')); ?>
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Check if a program exists from a Makefile
...r to /dev/null.
Then you may check the result using ifdef, ifndef, $(if) etc.
YOUR_PROGRAM_VERSION := $(shell your_program --version 2>/dev/null)
all:
ifdef YOUR_PROGRAM_VERSION
@echo "Found version $(YOUR_PROGRAM_VERSION)"
else
@echo Not found
endif
As a bonus, the output (such as ...
How to concatenate strings in twig
...oncat('http://', app.request.host) }}:
In src/AppBundle/Twig/AppExtension.php
<?php
namespace AppBundle\Twig;
class AppExtension extends \Twig_Extension
{
/**
* {@inheritdoc}
*/
public function getFunctions()
{
return [
new \Twig_SimpleFunction('conca...