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How to calculate the difference between two dates using PHP?
...ferred way of doing this is like described by jurka below. My code is generally only recommended if you don't have PHP 5.3 or better.
Several people in the comments have pointed out that the code above is only an approximation. I still believe that for most purposes that's fine, since the usage of...
How do I get an animated gif to work in WPF?
...und so far:
https://github.com/XamlAnimatedGif/WpfAnimatedGif
You can install it with NuGet
PM> Install-Package WpfAnimatedGif
and to use it, at a new namespace to the Window where you want to add the gif image and use it as below
<Window x:Class="MainWindow"
xmlns="http://schemas.micr...
How do I check if there are duplicates in a flat list?
...
Use set() to remove duplicates if all values are hashable:
>>> your_list = ['one', 'two', 'one']
>>> len(your_list) != len(set(your_list))
True
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Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
... asio::write(socket, asio::buffer(message),
asio::transfer_all(), asio::ignore_error());
}
}
最后处理异常
catch (std::exception& e)
{
std::cerr << e.what() << std::endl;
}
return 0;
运行示例:运行服务器,然后运行上一节的客户端,在win...
C/C++ line number
...processor variables :
__func__ : function name (this is part of C99, not all C++ compilers support it)
__DATE__ : a string of form "Mmm dd yyyy"
__TIME__ : a string of form "hh:mm:ss"
Your code will be :
if(!Logical)
printf("Not logical value at line number %d in file %s\n", __LINE__, __FIL...
Input from the keyboard in command line application
...
@PeterWebb - works fine in xcode terminal, falls through in playground :)
– aprofromindia
Apr 8 '16 at 14:50
2
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What is the best way to prevent session hijacking?
Specifically this is regarding when using a client session cookie to identify a session on the server.
12 Answers
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In AngularJS, what's the difference between ng-pristine and ng-dirty?
...s us if the user has already typed anything in the related field:
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.8/angular.min.js"></script>
<form ng-app="" name="myForm">
<input name="email" ng-model="data.email">
<div class="info" ng-show="m...
Is there a range class in C++11 for use with range based for loops?
...:irange, which is a bit more focused in scope.
C++20's range library will allow you to do this via view::iota(start, end).
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Delete all lines beginning with a # from a file
...use
sed -i '/^\s*#/ d'
Usually, you want to keep the first line of your script, if it is a sha-bang, so sed should not delete lines starting with #!. also it should delete lines, that just contain only a hash but no text. put it all together:
sed -i '/^\s*\(#[^!].*\|#$\)/d'
To be conform with ...