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How to “comment-out” (add comment) in a batch/cmd?
...ten in Bourne shell, not Windows batch, so how is it relevant here? Furthermore, the colon command being valid Bourne syntax is not a "bonus side effect"; it's precisely why it's used in that Bourne script. It's used in favor of # for comments because #, evidently, might not be a valid comment desig...
Obtain form input fields using jQuery?
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In newer versions of jQuery, Simon_Weaver's answer is more robust and easier.
– MightyE
May 3 '10 at 21:27
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UITapGestureRecognizer - single tap and double tap
...l not working. There must still be something I'd missed. Do you have any more hint ?
– Stanley
Jan 16 '12 at 6:27
ca...
Set select option 'selected', by value
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Python: split a list based on a condition?
...goodvals]
bad = [x for x in mylist if x not in goodvals]
is there a more elegant way to do this?
That code is perfectly readable, and extremely clear!
# files looks like: [ ('file1.jpg', 33L, '.jpg'), ('file2.avi', 999L, '.avi'), ... ]
IMAGE_TYPES = ('.jpg','.jpeg','.gif','.bmp','.png')
im...
What's the difference between utf8_general_ci and utf8_unicode_ci?
...icode or _general. Much of what's written below is not of much interest anymore if you can use one of the newer collations instead.
Key differences
utf8mb4_unicode_ci is based on the official Unicode rules for universal sorting and comparison, which sorts accurately in a wide range of languages.
u...
Div width 100% minus fixed amount of pixels
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Grouping functions (tapply, by, aggregate) and the *apply family
...b c
1 3 91
sapply(x, FUN = sum)
a b c
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In more advanced uses of sapply it will attempt to coerce the
result to a multi-dimensional array, if appropriate. For example, if our function returns vectors of the same length, sapply will use them as columns of a matrix:
sa...
windows service vs scheduled task
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