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What is the purpose of the “role” attribute in HTML?
...role is not included. Browsers will apply the first recognized role in the token list.
<span role="foo link note bar">...</a>
Out of the list, only link and note are valid roles, and so the link role will be applied in the platform accessibility API because it comes first. If you use cu...
How do I declare class-level properties in Objective-C?
...easily enhanced for thread-safe "singleton" behaviour, using dispatch_once token - but otherwise the solution correctly demonstrates the answer
– Motti Shneor
Jan 28 '19 at 7:15
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How do I escape characters in c# comments?
...l XML escaping.
For example...
<summary>Here is an escaped <token></summary>
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Create a CSV File for a user in PHP
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I'll have "SyntaxError: Unexpected token ILLEGAL" error with the line "fopen("php://output", "w");" When I change it to "$fp = fopen('stats.csv', 'w');" it doesn't show error. But then of course it doesn't work. How should I solve it ?
– ...
Stateless vs Stateful - I could use some concrete information
...ew, such case would be considered stateful. If, however, you always pass a token for the user but hold no other state whatsoever, than it's stateless. But feels stateful XD. This is so confusing.
– 7hi4g0
Oct 8 '14 at 15:36
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How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
...o use Rob Cooper's answer instead, but with a much longer and more obscure token.
– Marcus Downing
Apr 21 '15 at 11:40
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Among $_REQUEST, $_GET and $_POST which one is the fastest?
...ing the nuances of XSS/XSRF causes XSS/XSRF. As long as you mitigate with tokens, there's no problem AND you get the benefits of using $_REQUEST (all your variables are in one superglobal). I actually rebuild $_REQUEST before using it based on the other superglobals because of 'variables_order'. ...
How do I syntax check a Bash script without running it?
...tax: ["$var" is syntactically a valid command-name expression; similarly, tokens == and "$string" are valid command arguments. (Generally, builtin [ is parsed with command syntax, whereas [[ - as a shell keyword - is parsed differently.) The shell builtin [ does not delegate to the "test program" (...
How to remove old Docker containers
...ntainers in an elegant way.
And by Bartosz Bilicki, for Windows:
FOR /f "tokens=*" %i IN ('docker ps -a -q') DO docker rm %i
For PowerShell:
docker rm @(docker ps -aq)
An update with Docker 1.13 (Q4 2016), credit to VonC (later in this thread):
docker system prune will delete ALL unused da...
Django optional url parameters
... the regex: (?:/(?P<title>[a-zA-Z]+)/)?
Making a Regex Django URL Token Optional
Another, easier to follow way is to have multiple rules that matches your needs, all pointing to the same view.
urlpatterns = patterns('',
url(r'^project_config/$', views.foo),
url(r'^project_config/(...