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Double Iteration in List Comprehension
...as always bugged be about python. This syntax is so backwards. The general form of x for x in y always has the variable directly after the for, feeds to the expression to the left of the for. As soon as you do a double comprehension, your most recently iterated variable is suddenly so "far". It's aw...
Iterate over each line in a string in PHP
I have a form that allows the user to either upload a text file or copy/paste the contents of the file into a textarea. I can easily differentiate between the two and put whichever one they entered into a string variable, but where do I go from there?
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Display numbers with ordinal suffix in PHP
... It even handles internationalization!
$locale = 'en_US';
$nf = new NumberFormatter($locale, NumberFormatter::ORDINAL);
echo $nf->format($number);
Note that this functionality is only available in PHP 5.3.0 and later.
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How to uncheck a radio button?
I have group of radio buttons that I want to uncheck after an AJAX form is submitted using jQuery. I have the following function:
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Undo working copy modifications of one file in Git?
...ame" where the sha-reference is a reference to the sha of a commit, in any form (branch, tag, parent, etc.)
– Lakshman Prasad
Mar 2 '10 at 15:46
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Can we omit parentheses when creating an object using the “new” operator?
...able. I think in practice it doesn't make any difference. For additional information see this SO question
Is one preferred over the other?
Knowing all that, it can be assumed that new Foo() is preferred.
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Programmatically align a toolbar on top of the iPhone keyboard
...the top of the iPhone keyboard (as in iPhone Safari when you're navigating form elements, for example).
7 Answers
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Passing parameters to addTarget:action:forControlEvents
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Target-Action allows three different forms of action selector:
- (void)action
- (void)action:(id)sender
- (void)action:(id)sender forEvent:(UIEvent *)event
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Convert a Python list with strings all to lowercase or uppercase
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It can be done with list comprehensions. These basically take the form of [function-of-item for item in some-list]. For example, to create a new list where all the items are lower-cased (or upper-cased in the second snippet), you would use:
>>> [x.lower() for x in ["A","B","C"]]
[...
Check image width and height before upload with Javascript
I have a JPS with a form in which a user can put an image:
8 Answers
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