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Finding what methods a Python object has
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It's a list comprehension, returning a list of methods where method is an item in the list returned by dir(object), and where each method is added to the list only if getattr(object,method) returns a callable.
– Mne...
Detecting arrow key presses in JavaScript
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Center a position:fixed element
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I found that trick in css-tricks.com/…. But when I change the width and height, it's not moving center. Ya, I should change the margin-left and top when change height and width.
– saturngod
Jan 5 '10 at 12:42
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Manipulate a url string by adding GET parameters
...lse {
$url .= '?category=1';
}
More advanced
$url = 'http://example.com/search?keyword=test&category=1&tags[]=fun&tags[]=great';
$url_parts = parse_url($url);
// If URL doesn't have a query string.
if (isset($url_parts['query'])) { // Avoid 'Undefined index: query'
parse_str(...
How to convert all text to lowercase in Vim
...te a visual block and press u (or U to convert to uppercase). Tilde (~) in command mode reverses case of the character under the cursor.
If you want to see all text in Vim in small caps, you might want to look at the guifont option, or type :set guifont=* if your Vim flavour supports GUI font choose...
Sublime - delete all lines containing specific value
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Running multiple AsyncTasks at the same time — not possible?
...n early Android OS versions) the pool size was just 1, meaning no parallel computations for a bunch of AsyncTasks. But later they fixed that and now the size is 5, so at most 5 AsyncTasks can run simultaneously. Unfortunately I don't remember in what version exactly they changed that.
UPDATE:
Here...
How to revert a merge commit that's already pushed to remote branch?
git revert <commit_hash> alone won't work. -m must be specified, and I'm pretty confused about it.
16 Answers
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CSS vertical alignment text inside li
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this solution sucks since it completely shuts off any effect of margin. Only solution to this is make tons of pseudo elements. Why does css suck so much.
– Muhammad Umer
Mar 15 '13 at 5:49
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