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What is the difference between the | and || or operators?
...lways used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
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What is the difference between window, screen, and document in Javascript?
...t model. You can access it as window
window.screen or just screen is a small information object about physical screen dimensions.
window.document or just document is the main object of the potentially visible (or better yet: rendered) document object model/DOM.
Since window is the global object ...
Create a folder if it doesn't already exist
I've run into a few cases with WordPress installs with Bluehost where I've encountered errors with my WordPress theme because the uploads folder wp-content/uploads was not present.
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How do I find the MySQL my.cnf location
...too abstract. The file might be in 5 (or more?) locations, and they would all be valid because they load cascading.
/etc/my.cnf
/etc/mysql/my.cnf
$MYSQL_HOME/my.cnf
[datadir]/my.cnf
~/.my.cnf
Those are the default locations MySQL looks at. If it finds more than one, it will load each of them &...
How do I get the fragment identifier (value after hash #) from a URL?
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To be honest, IE8 is so insecure, all the payment gateways basically is going to drop any browser not supporting TLS 1.2 next week (30 June 2018), you will not be able to do payments from them at all. So that makes all these old crappy browsers useless for an...
Android: Test Push Notification online (Google Cloud Messaging) [closed]
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Found a very easy way to do this.
Open http://phpfiddle.org/
Paste following php script in box. In php script set API_ACCESS_KEY, set device ids separated by coma.
Press F9 or click Run.
Have fun ;)
<?php
// API access key from Google API's Console
define( 'API_...
从Sloodle看三维虚拟学习环境的发展趋势 - 资讯 - 清泛网 - 专注C/C++及内核技术
...玩游戏一样沉浸其中。在游戏中需要解决一些交流、协作问题 ,这在学习系统中也会同样关注 ,因此很多学者也开始研究非正式学习领域内如何将游戏与学习系统结合 (Galar neau, 2005)。另外一些研究者关注如何在大型多人虚拟环境...
Doing HTTP requests FROM Laravel to an external API
... Snoek WAS directing you toward an official Laravel package. It is pre-installed in the laravel vendor group.
– parker_codes
Nov 18 '17 at 23:09
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How do you dynamically add elements to a ListView on Android?
Can anyone explain or suggest a tutorial to dynamically create a ListView in android?
7 Answers
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How to download all files (but not HTML) from a website using wget?
How to use wget and get all the files from website?
8 Answers
8
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