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Django optional url parameters
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There are several approaches.
One is to use a non-capturing group in 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 sa...
PHP validation/regex for URL
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I used this on a few projects, I don't believe I've run into issues, but I'm sure it's not exhaustive:
$text = preg_replace(
'#((https?|ftp)://(\S*?\.\S*?))([\s)\[\]{},;"\':<]|\.\s|$)#i',
"'<a href=\"$1\" target=\"_blank\">$3</a>$4'",
$text
);
Most of the ran...
TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
I am getting TransactionManagementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key.
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How to have conditional elements and keep DRY with Facebook React's JSX?
...ner that should be in the component if it has been passed in. What I want to avoid is having to duplicate HTML tags in the if statement.
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Internet Explorer 8 Developer Tools not displaying
Within the last day, in Internet Explorer 8, the developer tools window will not show up.
9 Answers
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Sublime Text 2 - View whitespace characters
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To view whitespace the setting is:
// Set to "none" to turn off drawing white space, "selection" to draw only the
// white space within the selection, and "all" to draw all white space
"draw_white_space": "selection",
You ...
ContractFilter mismatch at the EndpointDispatcher exception
I have the following scenario that I'm trying to test for:
26 Answers
26
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Easy way to turn JavaScript array into comma-separated list?
I have a one-dimensional array of strings in JavaScript that I'd like to turn into a comma-separated list. Is there a simple way in garden-variety JavaScript (or jQuery) to turn that into a comma-separated list? (I know how to iterate through the array and build the string myself by concatenation if...
IntelliJ beginning of file keyboard shortcut
Is there a keyboard shortcut to move to the beginning of a file? I checked IntelliJ's Keymap for Mac OS X and it doesn't list anything for navigating to the start of a file.
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.NET WPF Remember window size between sessions
Basically when user resizes my application's window I want application to be same size when application is re-opened again.
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