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When and why I should use session_regenerate_id()?
Why and when should I use the session_regenerate_id() function in php?
Should I always use it after I use the session_start() ?
I've read that I have to use it to prevent session fixation, is this the only reason?
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in_array() and multidimensional array
...array';
}
This idea is in the comments section for array_search() on the PHP manual;
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Composer killed while updating
... I tried to install a new package to my Laravel 4 project.
But when I run php composer.phar update I get this:
14 Answers...
How to check for null in Twig?
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In addition, unlike the PHP isset() function, is defined will return true if a variable is defined and it's value is null.
– Pavel Petrov
Sep 19 '17 at 7:59
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Clearing a string buffer/builder after loop
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It's well known that allocation (new keyword in Java) is more expensive than just changing some fields of the same object. For "mostly", which you could replave with highly, there's more than 1.5Billion of Android Devices, all using Java.
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After array_filter(), how can I reset the keys to go in numerical order starting at 0
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The link no longer work, use php.net/manual/en/function.array-values.php instead. I can't update it, as i need to change at least 6 characters.
– Rasmus Hansen
Feb 16 '19 at 15:15
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Linux下安装项目管理工具Redmine - 开源 & Github - 清泛网 - 专注C/C++及内核技术
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2、RubyGems安装
# wget http://rubyforge.org/frs/download.php/60718/rubygems-1.3.5.tgz
# tar zxvf rubygems-1.3.5.tgz
# cd rubygems-1.3.5
# ruby setup.rb
3、Rake安装
# gem install rake //直接使用gem命令安装rake.
//也可以下载安装地址...
How to convert an int to string in C?
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To be sure tat ENOUGH is enough we can do it by malloc(sizeof(char)*(int)log10(num))
– Hauleth
Nov 24 '11 at 13:25
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Laravel Check If Related Model Exists
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In php 7.2+ you can't use count on the relation object, so there's no one-fits-all method for all relations. Use query method instead as @tremby provided below:
$model->relation()->exists()
generic solution working on...
What is the copy-and-swap idiom?
...t's a terrible thing.
In our case, the core of it is only two lines (the allocation and the copy), but with more complex resources this code bloat can be quite a hassle. We should strive to never repeat ourselves.
(One might wonder: if this much code is needed to manage one resource correctly, wh...