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What are naming conventions for MongoDB?
...al documents named like this:
{
name: 'fido',
owner_id: '5358e4249611f4a65e3068ab',
race_id: '5358ee549611f4a65e3068ac',
colour: 'yellow'
...
}
This follows the Mongo convention of naming _id the identifier for every document.
...
Chrome hangs after certain amount of data transfered - waiting for available socket
...swered Jun 30 '14 at 9:34
Predte4aPredte4a
90677 silver badges66 bronze badges
...
Browse orphaned commits in Git
... fixup! More work for feature
| | (Sue Dakota, 4 days ago)
| | * 6a7a52e Lost commit
| |/ (Sue Dakota, 4 days ago)
| * 69d9438 More work for feature
| | (Sue Dakota, 2 weeks ago)
| * 8f69aba Initial work for feature
|/ (Sue Dakota, 3 weeks ago)
* d824fa9 Fix warning...
TCP loopback connection vs Unix Domain Socket performance
... answered Apr 11 '13 at 14:59
0x4a6f46720x4a6f4672
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...
Moving from CVS to Git: $Id$ equivalent?
...ion) to show that number. Let's say that packaged version was 2.2-12-g6c4ae7a (not a release, but a valid version).
You can now see exactly how far behind you are (4 commits), and you can see exactly which 4 commits:
# The RHS of the .. can be origin/master or empty, or whatever you want.
% git lo...
Return multiple columns from pandas apply()
... ms ± 58.4 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)
# 4a - Tuples (Jesse Answer) - (pass value, return tuple then zip, new columns exist):
694 µs ± 3.9 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)
In some cases (#1a and #4a), applying the function to a DataFr...
How to concatenate two MP4 files using FFmpeg?
...
I was trying to concatenate three .mp3 audio files into one .m4a file and this ffmpeg command works.
Input command:
ffmpeg -i input1.mp3 -i input2.mp3 -i input3.mp3 \
-filter_complex "concat=n=3:v=0:a=1" -f MOV -vn -y input.m4a
Meanings of :
-filter_complex "concat=n=3:v=0:a...
Why is a round-trip conversion via a string not safe for a double?
...9502f90000000000),
/*11*/ I64(0xba43b74000000000),
/*12*/ I64(0xe8d4a51000000000),
/*13*/ I64(0x9184e72a00000000),
/*14*/ I64(0xb5e620f480000000),
/*15*/ I64(0xe35fa931a0000000),
// powers of 0.1
/*1*/ I64(0xcccccccccccccccd),
/*2*/ I64(0xa3d70a3d70a3d70b),
/*3*/...
Why is XOR the default way to combine hashes?
...stant (calculated with long doubles, and unsigned long longs): 0x9e3779b97f4a7c16. Interestingly it is still even. Re-doing the same calculation using PI instead of the Golden Ratio produces: 0x517cc1b727220a95 which is odd, instead of even, thus probably "more prime" than the other constant. I u...
JavaScript + Unicode regexes
...8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-...