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(Built-in) way in JavaScript to check if a string is a valid number
...even if the string doesn't contain only and exactly a number:
parseFloat("2016-12-31") // returns 2016
parseFloat("1-1") // return 1
parseFloat("1.2.3") // returns 1.2
The problem with Number() is that it will return a number in cases where the passed value is not a number at all!
Number("") //...
Oracle Differences between NVL and Coalesce
...
) ;
succeeds.
More information : http://www.plsqlinformation.com/2016/04/difference-between-nvl-and-coalesce-in-oracle.html
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Simple and fast method to compare images for similarity
...or these algorithms, please check this post(http://qtandopencv.blogspot.my/2016/06/introduction-to-image-hash-module-of.html).
If you are interesting about how do I measure the performance of img_hash modules(include speed and different attacks), please check this link(http://qtandopencv.blogspot.my...
PhpStorm wrap/surround selection?
...s -> Surround selection on typing quote or brace.
Update (for PhpStorm 2016)
For PhpStorm Version 2016, use Cmd + Alt + S (on Mac) or Ctrl + Alt + S (on Win) to go to Settings. Tick on checkbox of Settings -> Editor -> General -> Smart Keys -> Surround selection on typing quote or ...
When to use Storyboard and when to use XIBs
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Update 1/12/2016: It's 2016 and I still prefer laying out my UIs in code and not in Storyboards. That being said, Storyboards have come a long way. I have removed all the points from this post that simply do not apply anymore in 2016.
U...
CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，自定义一个类似CGridCellCheck的单元格类。
本文源码下载：GridCtrl.rar
源doc文档下载：MFCGridCtrl控件_使用心得.doc
MFC Grid control相关介绍及完整Demo下载：MFC Grid control 2.27
MFC Grid CGRidCtrl
How to delete an app from iTunesConnect / App Store Connect
... So more looks like a fake delete of sorts.
Currently (Edit: as of July 2016) there is no way of deleting your app if it never went on sale.
However, all information except for SKU can be edited and thus reused for a new app, including the app name, Bundle ID, icon, etc etc. Because SKU can be a...
Encrypt Password in Configuration Files? [closed]
...e owasp.org/index.php/Password_Storage_Cheat_Sheet and paragonie.com/blog/2016/02/how-safely-store-password-in-2016
– Kimball Robinson
Jul 22 '16 at 18:52
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What are naming conventions for MongoDB?
...he schema did a good
job.
Content from: http://www.tutespace.com/2016/03/schema-design-and-naming-conventions-in.html
For collections I'm following these suggested patterns until I find official MongoDB documentation.
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why does DateTime.ToString(“dd/MM/yyyy”) give me dd-MM-yyyy?
...n argument:
using System.Globalization;
...
var dateTime = new DateTime(2016,8,16);
dateTime.ToString("dd/MM/yyyy", CultureInfo.InvariantCulture);
Will return:
"16/08/2016"
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