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How to have stored properties in Swift, the same way I had on Objective-C?
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50
Associated objects API is a bit cumbersome to use. You can remove most of the boilerplate with a...
Android: combining text & image on a Button or ImageButton
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207
You can call setBackground() on a Button to set the background of the button.
Any text will ap...
C# Java HashMap equivalent
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503
Dictionary is probably the closest. System.Collections.Generic.Dictionary implements the System...
Error while installing json gem 'mkmf.rb can't find header files for ruby'
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809
Modern era update, as stated by mimoralea:
In case that you are using ruby 2.0 or 2.2 (than...
Return string without trailing slash
...ingSlash(str) {
if(str.substr(-1) === '/') {
return str.substr(0, str.length - 1);
}
return str;
}
Note: IE8 and older do not support negative substr offsets. Use str.length - 1 instead if you need to support those ancient browsers.
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Finding Variable Type in JavaScript
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edited Mar 11 '18 at 15:06
wzhscript
322 bronze badges
answered Dec 16 '10 at 0:22
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Vsphere 6 集群上 安装 oracle rac 遇到的共享磁盘故障 - 数据库(内核) - ...
Vsphere 6 集群上 安装 oracle rac 遇到的共享磁盘故障10月28号 青岛项目中的oralce rac 出现死机的情况。故障现象：ORACLERAC 挂掉，虚拟机死机。DBA和现在负责的同事，重新安装系统和ORACL...
10月28号 青岛项目中的oralce rac 出现死机的情...
How can I get a user's media from Instagram without authenticating as a user?
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20 Answers
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Check if PHP session has already started
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Recommended way for versions of PHP >= 5.4.0 , PHP 7
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
Reference: http://www.php.net/manual/en/function.session-status.php
For versions of PHP < 5.4.0
if(session_id() == '') {
session_start()...