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How can I convert a datetime object to milliseconds since epoch (unix time) in Python?
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Sophie AlpertSophie Alpert
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How to expand/collapse a diff sections in Vimdiff?
...arted using vimdiff today, and wanted to do some of the things that I've taken for granted on Windows based diff editors (like expand/collapse a diff section, have full file expansion/only diffs with 3 context lines above or below, etc.). I currently know only the following commands :
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How can I safely encode a string in Java to use as a filename?
...eceiving a string from an external process. I want to use that String to make a filename, and then write to that file. Here's my code snippet to do this:
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What does curly brackets in the `var { … } = …` statements do?
...I often found variables being declared this way, for example, in add-on SDK docs :
4 Answers
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How can I print the contents of a hash in Perl?
I keep printing my hash as # of buckets / # allocated.
How do I print the contents of my hash?
11 Answers
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How do I Sort a Multidimensional Array in PHP [duplicate]
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You can use array_multisort()
Try something like this:
foreach ($mdarray as $key => $row) {
// replace 0 with the field's index/key
$dates[$key] = $row[0];
}
array_multisort($dates, SORT_DESC, $mdarray);
For PHP >= 5.5.0 just extract the column to sort...
How to allow to accept only image files?
...ould always validate the uploaded file on the server also.
It should work in IE 10+, Chrome, Firefox, Safari 6+, Opera 15+, but support is very sketchy on mobiles (as of 2015) and by some reports this may actually prevent some mobile browsers from uploading anything at all, so be sure to test you...
$.getJSON returning cached data in IE8
...nd JQuery at the moment. I've come across behavour which doesn't seem to make sense.
7 Answers
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Simulator error FBSSystemServiceDomain code 4
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Same solution works for not only for the Beta version but also for the final Xcode 6. thx!
– user523650
Sep 25 '14 at 10:08
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Rails auto-assigning id that already exists
I create a new record like so:
5 Answers
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