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How to concatenate two MP4 files using FFmpeg?
...ing them and then trying to encode that concated .ts file. The files are h264 and aac encoded and I'm hoping to keep the quality the same or as close to original as possible.
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Best way to simulate “group by” from bash?
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429
sort ip_addresses | uniq -c
This will print the count first, but other than that it should be...
Is there any difference between a GUID and a UUID?
I see these 2 acronyms thrown around, and I was wondering if there are any differences between a GUID and a UUID?
6 Answers...
Is Meyers' implementation of the Singleton pattern thread safe?
...ics on MSDN) is as follows:
Visual Studio: supported since Visual Studio 2015
GCC: supported since GCC 4.3
Thanks to @Mankarse and @olen_gam for their comments.
In C++03, this code wasn't thread safe. There is an article by Meyers called "C++ and the Perils of Double-Checked Locking" which di...
Is there a common Java utility to break a list into batches?
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257
Check out Lists.partition(java.util.List, int) from Google Guava:
Returns consecutive su...
How to do an INNER JOIN on multiple columns
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edited Mar 2 '10 at 21:39
answered Mar 2 '10 at 21:15
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How to loop through an array containing objects and access their properties
...):
yourArray.forEach(function (arrayItem) {
var x = arrayItem.prop1 + 2;
console.log(x);
});
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How to get different colored lines for different plots in a single figure?
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432
Matplotlib does this by default.
E.g.:
import matplotlib.pyplot as plt
import numpy as np
x =...
How can I recall the argument of the previous bash command?
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answered Jul 30 '10 at 12:17
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