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SQL: How to get the count of each distinct value in a column?
...d Aug 13 '11 at 23:19
Dan GrossmanDan Grossman
48.1k1010 gold badges100100 silver badges9494 bronze badges
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How can I echo a newline in a batch file?
... The period thing in "echo." never stops amazing me. It's so dated, and still I always forget that the dot must be strictly concatenated with the command name, with no spaces between. There's no error in the post of yours, I'm writing this just as a reminder: "echo ." != "echo." !
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How to set gradle home while importing existing project in Android studio
How to set gradle home while importing existing project in Android studio. While trying to import I need to set up this path.
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How to find the most recent file in a directory using .NET, and without looping?
...th a little extra work - just reference the System.Core.dll file from 3.5, and set it to "copy local"
– Scott Ivey
Jul 24 '09 at 21:19
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Select all 'tr' except the first one
...obody mentioned the use of sibling combinators, which are supported by IE7 and later:
tr + tr /* CSS2, adjacent sibling */
tr ~ tr /* CSS3, general sibling */
They both function in exactly the same way (in the context of HTML tables anyway) as:
tr:not(:first-child)
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Index all *except* one item in python
...merate(a) if i!=3] # [9, 8, 7, 5, 4, 3, 2, 1, 0]
This is very general, and can be used with all iterables, including numpy arrays. If you replace [] with (), b will be an iterator instead of a list.
Or you could do this in-place with pop:
a = range(10)[::-1] # a = [9, 8, 7, 6, 5, 4, 3, 2,...
Go to beginning of line without opening new line in VI
For ages now I've used SHIFT O and SHIFT $ to move to the beginning and end of a line in vi .
10 Answers
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Strangest language feature
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that's because a[10] means *(a+10) ... and 10[a] means *(10+a) :)
– Michel Gokan
Jan 3 '10 at 14:50
77
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Do I need to explicitly call the base virtual destructor?
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This question might be related and help questions/15265106/c-a-missing-vtable-error.
– Paul-Sebastian Manole
Dec 20 '14 at 20:16
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how to get the host url using javascript from the current page
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hostname will give only domain and host will provide port also. This is great mini tool to see link anatomy bl.ocks.org/abernier/3070589
– Lukas Liesis
Apr 11 '16 at 5:00
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