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When should I use uuid.uuid1() vs. uuid.uuid4() in python?
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@gs Yeah, makes sense with what I was reading. uuid1 is "more unique", while uuid4 is more anonymous. So basically use uuid1 unless you have a reason not to. @mark ransom: Awesome answer, didn't come up when I searched for uuid1/uuid4. Straight fro...
error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
...sqld/ and delete it
Make sure the permissions on your socket is such that whatever user mysqld is running as can read/write to it. An easy test is to open it up to full read/write and see if it still works:
chmod 777 /var/run/mysqld/mysqld.sock
If that fixes the issue, you can tailor the permi...
Calculate total seconds in PHP DateInterval
What is the best way to calculate the total number of seconds between two dates? So far, I've tried something along the lines of:
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Use tab to indent in textarea
...r function parameter and store the indentation char(s) there. But you know what to replace now: The +1 defines how much chars the caret is moved.
– StanE
Oct 13 '16 at 17:13
3
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Mercurial (hg) commit only certain files
...s tonfa writes:
$ hg commit foo.c foo.h dir/
That just works and that's what I do all the time. You can also use the --include flag that you've found, and you can use it several times like this:
$ hg commit -I foo.c -I "**/*.h"
You can even use a fileset to select the files you want to commit:...
How to get IP address of the device from code?
...etHardwareAddress() - patch : github.com/Utumno/AndroidHelpers/commit/…. What you say ?
– Mr_and_Mrs_D
Sep 5 '13 at 19:33
5
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How to replace a whole line with sed?
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This is the closest to actually doing what was asked... (But Lri's version is needed for portability)
– Gert van den Berg
Apr 9 '19 at 11:18
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Difference between CR LF, LF and CR line break types?
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@shaijut CR stands for Carriage Return. That was what returned the carriage on typewriters. So, mostly correct.
– AliFurkan
May 2 at 10:50
add a comm...
How to shuffle a std::vector?
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In addition to what @Cicada said, you should probably seed first,
srand(unsigned(time(NULL)));
std::random_shuffle(cards_.begin(), cards_.end());
Per @FredLarson's comment:
the source of randomness for this version of random_shuffle(...
Function to calculate distance between two coordinates
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What you're using is called the haversine formula, which calculates the distance between two points on a sphere as the crow flies. The Google Maps link you provided shows the distance as 2.2 km because it's not a straight li...