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Check whether a variable is a string in Ruby
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How to get current foreground activity context in android?
...
(Note: An official API was added in API 14: See this answer https://stackoverflow.com/a/29786451/119733)
DO NOT USE PREVIOUS (waqas716) answer.
You will have memory leak problem, because of the static reference to the activity. For more detail see the following link http://android-d...
Using ECMAScript 6
... that is compatible with all existing (modern) browsers.
For example, see https://github.com/google/traceur-compiler. As of writing, it supports all of the new syntax features of ES6. Together with the flag mentioned at the top of this answer, you will get very close to the desired result.
If you ...
How to obtain the number of CPUs/cores in Linux from the command line?
... 32K
L2 cache: 4096K
NUMA node0 CPU(s): 0-7
See also https://unix.stackexchange.com/questions/468766/understanding-output-of-lscpu.
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linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...p
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 # https
acl Safe_ports port 70 # gopher
acl Safe_ports port 210 # wais
acl Safe_ports port 1025-65535 # unregistered ports
acl Safe_ports port 280 # http-mgmt
acl Safe_ports port 488 # g...
Assignment in an if statement
...ill be in C# 6.0. This feature is called "declaration expressions". See
https://roslyn.codeplex.com/discussions/565640
for details.
The proposed syntax is:
if ((var i = o as int?) != null) { … i … }
else if ((var s = o as string) != null) { … s … }
else if ...
More generally, the pro...
How to convert array to SimpleXML
...ll allow you to set attributes in XML too.
The source can be found here:
https://github.com/digitickets/lalit/blob/master/src/Array2XML.php
<?php
$books = array(
'@attributes' => array(
'type' => 'fiction'
),
'book' => array(
array(
'@attrib...
What is the shortest way to pretty print a org.w3c.dom.Document to stdout?
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Drawable image on a canvas
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How can Xcode 6 adaptive UIs be backwards-compatible with iOS 7 and iOS 6?
... in iOS7.
Here is link to the sample project demonstrating this behavior: https://dl.dropboxusercontent.com/u/6402890/testSizeClasses.zip
In the prototype cell I have four constraints from each edge of the grey view. Each of the is configured in a same way: Any/Any - 10, Regular/Regular - 20
It...