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What is the difference between square brackets and parentheses in a regex?
...uestion uses keyword var in code, this probably is JavaScript). The use of php which runs on PCRE for preg matching will optimize away the lack of backtracking, however we're not in PHP either, so using classes [] instead of alternations | gives performance bonus as the match does not backtrack, and...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
...have distinctly un-uniform output.
Inspired by this article about how bad php's rand() function is, I made some random matrix images using QuickRandom and System.Random. This run shows how sometimes the seed can have a bad effect (in this case favouring lower numbers) where as System.Random is pret...
Citing the author of a blockquote using Markdown syntax
...edia. Retrieved 23:45, November 20, 2016](https://en.wikipedia.org/w/index.php?title=Test-driven_development&oldid=750634597)
Produces the following:
Test-driven development (TDD) is a software development process that relies on the repetition of a very short development cycle: requirement...
What is a CSRF token ? What is its importance and how does it work?
...application doesn’t distinguish
between POST and GET requests (e.g. in PHP by using $_REQUEST instead
of $_POST). Don’t do that! Data altering requests could be submitted
as easy as <img src="http://a.com/tweet?tweet=This+is+really+bad">,
embedded in a malicious website or even an ...
马云、王健林为什么都看中了上海？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...的原因之一。从宝洁内部原因来看，其净利润增速下滑的问题成为当年压在宝洁管理层头上的重担，加之来自包括联合利华、强生、立白、蓝月亮等对手的强劲的竞争，宝洁便需要将业务重心转移至上海以寻求转变。
地产逐...
How do I add a tool tip to a span element?
...article aided in my confusion : htmlgoodies.com/tutorials/html_401/article.php/3479661/… where it says that the tooltip works for the "text"
– Augiwan
Jan 23 '13 at 13:50
1
...
In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
...
With the PHP version of Markdown, you can also link headers to fragment identifiers within the page using a syntax like either of the following, as documented here
Header 1 {#header1}
========
## Header 2 ## {#header...
Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...
Both Perl and PHP use =>. I'd guess that Ruby, being heavily inspired by Perl, borrowed the syntax from Perl :)
– Daniel Serodio
Aug 7 '17 at 19:19
...
Chrome DevTools Devices does not detect device when plugged in
...single ADB package it required https://forum.xda-developers.com/showthread.php?t=2317790)
Use command prompt to run ADB, in cmd go to the install directory of the ADB tools and type:
adb.exe (might need to start and stop ADB using adb kill-server and adb start-server)
Connect phone and browse to abo...
Having links relative to root?
...tml#h-12.4.
Suggested reading:
http://www.motive.co.nz/glossary/linking.php
http://www.communitymx.com/content/article.cfm?cid=AEDCC52C4AD230AD
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