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Convert audio files to mp3 using ffmpeg
... me, changing -b to -q absolutely butchers the sound. Using no options at all, or using the options presented in the answer, sound virtually the same as the source .wav.
– Michael Teter
Aug 5 '19 at 0:00
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How to re import an updated package while in Python Interpreter? [duplicate]
.... When targeting 3 or later, either reference the appropriate module when calling reload or import it.
Takeaway:
Python3 >= 3.4: importlib.reload(packagename)
Python3 < 3.4: imp.reload(packagename)
Python2: continue below
Use the reload builtin function:
https://docs.python.org/2/libr...
Contains method for a slice
...interested in the value, you might also create a map[string]struct{} for example. Using an empty struct{} here has the advantage that it doesn't require any additional space and Go's internal map type is optimized for that kind of values. Therefore, map[string] struct{} is a popular choice for sets ...
What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]
.../www.readwriteweb.com/enterprise/2009/02/is-the-relational-database-doomed.php
It does a good job at pointing out (aside from the name) that relational databases arent flawed or wrong, its just that these days people are starting to process more and more data in mainstream software and web sites, a...
Split list into smaller lists (split in half)
I am looking for a way to easily split a python list in half.
17 Answers
17
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Linux delete file with size 0 [duplicate]
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This will delete all the files in a directory (and below) that are size zero.
find /tmp -size 0 -print -delete
If you just want a particular file;
if [ ! -s /tmp/foo ] ; then
rm /tmp/foo
fi
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What is the point of a private pure virtual function?
...ccess/invoke.
It will be able to override those private functions. For example, the following contrived example works (EDIT: made derived class method private, and drop the derived class method invocation in main() to better demonstrate the intent of design pattern in use.):
#include <iostream...
Convert float to double without losing precision
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It's not that you're actually getting extra precision - it's that the float didn't accurately represent the number you were aiming for originally. The double is representing the original float accurately; toString is showing the "extra" data which wa...
Concurrent.futures vs Multiprocessing in Python 3
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I wouldn't call concurrent.futures more "advanced" - it's a simpler interface that works very much the same regardless of whether you use multiple threads or multiple processes as the underlying parallelization gimmick.
So, like virtuall...
How to easily resize/optimize an image size with iOS?
...its original size, I'm planning on resizing the image to something a bit smaller to save on space/performance.
18 Answers
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