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Makefile经典教程(入门必备) - C/C++ - 清泛网移动版 - 专注C++内核技术

...归定义,这是很不好的,所以make会自动为我们解决这个问题,我们不必担心这个问题。 五、override 指示符 如果有变量是通常make的命令行参数设置的,那么Makefile中对这个变量的赋值会被忽略。如果你想在Makefile中设置这类...
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Makefile经典教程(入门必备) - C/C++ - 清泛网移动版 - 专注C++内核技术

...归定义,这是很不好的,所以make会自动为我们解决这个问题,我们不必担心这个问题。 五、override 指示符 如果有变量是通常make的命令行参数设置的,那么Makefile中对这个变量的赋值会被忽略。如果你想在Makefile中设置这类...
https://www.tsingfun.com/it/cp... 

Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注C/C++及内核技术

...归定义,这是很不好的,所以make会自动为我们解决这个问题,我们不必担心这个问题。 五、override 指示符 如果有变量是通常make的命令行参数设置的,那么Makefile中对这个变量的赋值会被忽略。如果你想在Makefile中设置这类...
https://www.tsingfun.com/it/cp... 

Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注C/C++及内核技术

...归定义,这是很不好的,所以make会自动为我们解决这个问题,我们不必担心这个问题。 五、override 指示符 如果有变量是通常make的命令行参数设置的,那么Makefile中对这个变量的赋值会被忽略。如果你想在Makefile中设置这类...
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Best Practices: working with long, multiline strings in PHP?

...idered to be a string as-is. Which means you don't need to put backslash n all over your multi-line strings. @Fabian: What is the difference between a HEREDOC and NOWDOC, or are they the same thing? – Kenny Drobnack Dec 4 '09 at 19:11 ...
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MassAssignmentException in Laravel

...ection against mass assignment security issues. That's why you have to manually define which fields could be "mass assigned" : class User extends Model { protected $fillable = ['username', 'email', 'password']; } Warning : be careful when you allow the mass assignment of critical fields lik...
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What does it mean to start a PHP function with an ampersand?

... It's returning a reference, as mentioned already. In PHP 4, objects were assigned by value, just like any other value. This is highly unintuitive and contrary to how most other languages works. To get around the problem, references were used for variables that pointed to obje...
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How to var_dump variables in twig templates?

... layer pattern where you only present what you have been given is fine and all, but how do you know what is available? Is there a "list all defined variables" functionality in TWIG? Is there a way to dump a variable? ...
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SET NAMES utf8 in MySQL?

... @ Vinko Vrsalovic: Not necessarily... I had all my files in utf8 but my previous hoster has had the mysql charset set to latin1 and because i havent told mysql that I am sending chars in utf8 (hence set names utf8) it stored them in latin charset and all my special cha...
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Checking for empty arrays: count vs empty

This question on ' How to tell if a PHP array is empty ' had me thinking of this question 12 Answers ...