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Objective-C: difference between id and void *
...t:(void *)context;
The sorting function would be declared as:
NSInteger mySortFunc(id left, id right, void *context) { ...; }
In this case, the NSArray merely passes whatever you pass in as the context argument to the method through as the context argument. It is an opaque hunk of pointer size...
How to flatten only some dimensions of a numpy array
....shape[-2:])
new_arr.shape
# (12, 5, 6)
EDIT: A slight generalization to my earlier answer -- you can, of course, also specify a range at the beginning of the of the reshape too:
arr = numpy.zeros((3, 4, 5, 6, 7, 8))
new_arr = arr.reshape(*arr.shape[:2], -1, *arr.shape[-2:])
new_arr.shape
# (3, 4...
Turning off “created by” stamp when generating files in IntelliJ
...ering about how to add the creation info when it's somehow missed (like in my case),
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What is a “callable”?
... instance of it on __call__. The way Python solves this is very elegant in my opinion.
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How do I get and set Environment variables in C#?
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@TonoNam Patrick’s answer works in my machine without admin privileges. Note that setting System environment variable does require admin privileges (of course).
– Franklin Yu
Oct 31 '18 at 0:33
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Is there a way of setting culture for a whole application? All current threads and new threads?
...CurrentUICulture ceased to be en-US and became instead en-AU complete with my little hack to make it respect regional settings for ShortTimePattern.
Hurrah, all is well in the world! Or not. The culture parameter passed to the Convert method is still en-US. Erm, WTF?! But it's a start. At least thi...
What is the purpose of the vshost.exe file?
... The persistent process also causes exception (access violation) when my project has some code to do P/Invoke. The problem disappeared after I disabled host process.
– Thomson
Aug 14 '14 at 9:38
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Cassandra port usage - how are the ports used?
...rt 7001 is still used when using TLS Encrypted Internode communication
So my complete list would be for current versions of Cassandra:
7199 - JMX (was 8080 pre Cassandra 0.8.xx)
7000 - Internode communication (not used if TLS enabled)
7001 - TLS Internode communication (used if TLS enabled)
9160 ...
Recursive directory listing in DOS
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Nice! My additional requirement is to count all the lines, which is done with dir /s /b | find /v /c "".
– domih
Sep 1 '17 at 11:28
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What is the default scope of a method in Java?
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I can't delete my answer as it's been accepted. I encourage Joe to go with @Esko's answer!
– Michael Haren
Apr 3 '09 at 17:09
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