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How to change size of split screen emacs windows?
...@MauricioCortazar I haven't use Emacs for years. This answer may not apply now. Feel free to update it.
– wilbeibi
Dec 8 '17 at 0:34
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Maven does not find JUnit tests to run
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Note that the surefire documentation now claims that **/*Tests.java is a default include!
– Gareth
Oct 13 '17 at 9:54
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Do while loop in SQL Server 2008
...INT @I;
SET @I+=1;
IF NOT (@I<=10) BREAK; -- WHILE @I<=10
END
Now, you could of course rewrite this particular example as a simple WHILE loop, since this is not such a good candidate for a DO / WHILE construct. The emphasis was on example brevity rather than applicability, since legitim...
Tetris-ing an array
...ies, so in interpreted languages this will have a huge efficiency gain...
Now, if you want only full paths, we need to truncate to the last / character. So:
$prefix = preg_replace('#/[^/]*$', '', commonPrefix($paths));
Now, it may overly cut two strings such as /foo/bar and /foo/bar/baz will be...
Traits vs. interfaces
...later you decide you want to use a file-based cache system instead of APC. Now you have to change your controller code because you've programmed your controller to work with the functionality of the ApcCacher class rather than to an interface that expresses the capabilities of the ApcCacher class. L...
How can I reverse a list in Python?
...,2,3,4]
a = a[::-1]
print(a)
>>> [4,3,2,1]
The job is done, and now you have a reversed list.
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How does one reorder columns in a data frame?
... @user4050: you can also use df[,c(1,3,2,4:ncol(df))] when you don't know how many columns there are.
– arekolek
Mar 15 '16 at 14:28
1
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Removing trailing newline character from fgets() input
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Perhaps the simplest solution uses one of my favorite little-known functions, strcspn():
buffer[strcspn(buffer, "\n")] = 0;
If you want it to also handle '\r' (say, if the stream is binary):
buffer[strcspn(buffer, "\r\n")] = 0; // works for LF, CR, CRLF, LFCR, ...
The function cou...
Merging dictionaries in C#
...ethod of course (with a better name, but I don't have time to think of one now) - it's not terribly hard to do, just overwriting (or ignoring) duplicate keys. The important bit (to my mind) is using SelectMany, and realising that a dictionary supports iteration over its key/value pairs.
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Node.js get file extension
... answered Apr 3 '13 at 3:32
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