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How often does python flush to a file?
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Thanks! It's good to know that python sets it as OS defines... but this helps find out what the OS pre-defines.
– Cometsong
Mar 28 '18 at 13:43
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How to concatenate two MP4 files using FFmpeg?
I'm trying to concatenate two mp4 files using ffmpeg. I need this to be an automatic process hence why I chose ffmpeg. I'm converting the two files into .ts files and then concatenating them and then trying to encode that concated .ts file. The files are h264 and aac encoded and I'm hoping to kee...
How to round to 2 decimals with Python?
...ces the format spec
0 enables sign-aware zero-padding for numeric types
.2 sets the precision to 2
f displays the number as a fixed-point number
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Sorting list based on values from another list?
...f each pair from the sorted, zipped list.
For more information on how to set\use the key parameter as well as the sorted function in general, take a look at this.
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Count occurrences of a char in plain text file
... editor after snippets, if snippets enabled
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Command-line Unix ASCII-based charting / plotting tool
...lities.
It can output to your terminal in the following way:
gnuplot> set terminal dumb
Terminal type set to 'dumb'
Options are 'feed 79 24'
gnuplot> plot sin(x)
1 ++----------------**---------------+----**-----------+--------**-----++
+ *+ * + * * ...
Load RSA public key from file
...ealgorithm() {
return signaturealgorithm;
}
public void setSignaturealgorithm(String signaturealgorithm) {
this.signaturealgorithm = signaturealgorithm;
}
private csrgenerator() {
try {
kpg = KeyPairGenerator.getInstance("RSA");
} catc...
How do I obtain the frequencies of each value in an FFT?
... get a measure of how well the input signal correlates with sinusoids at a set of frequencies regardless of the input signal phase. If you are just analyzing frequency content of a signal, you will almost always take the magnitude or magnitude squared of the complex output of the FFT.
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Filter by property
Is it possible to filter a Django queryset by model property?
8 Answers
8
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How to get error message when ifstream open fails
...use of errno.
On system with POSIX standard:
errno is thread-local; setting it in one thread does not affect its
value in any other thread.
Edit (thanks to Arne Mertz and other people in the comments):
e.what() seemed at first to be a more C++-idiomatically correct way of implementing ...