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How to convert CFStringRef to NSString?
...e key thing to note is that CoreFoundation will often return objects with +1 reference counts, meaning that they need to be released (all CF[Type]Create format functions do this).
The nice thing is that in Cocoa you can safely use autorelease or release to free them up.
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Proper use cases for Android UserManager.isUserAGoat()?
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Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
... internal optimizations for slice and concat.
This remains true in Jul 2016.
Below are simple scripts that you can copy-paste into your browser's console and run several times to see the picture. They output milliseconds, lower is better.
while loop
n = 1000*1000;
start = + new Date();
a = Array(n...
a href link for entire div in HTML/CSS
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How do I see the extensions loaded by PHP?
...Abdullah JibalyAbdullah Jibaly
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best way to get the key of a key/value javascript object
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区块链技术到底是什么鬼，为何被疯炒？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...链技术公司成为了各风投基金竞相追捧的热门项目。仅2015年,全球范围内投资在比特币和区块链相关的初创公司的风投资金规模就达到了约4.8亿美元,2016年第一季度已达到1.6亿美元,由此可见其增长趋势。如图：
(图1：比特币/区...
Profiling Django
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edited Jul 8 '14 at 22:11
Mr. S
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Best practice for storing and protecting private API keys in applications [closed]
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Integrating the ZXing library directly into my Android application
...to make a standalone barcode scanner (as a proof of concept) to an Android 1.6 phone.
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