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How to get everything after last slash in a URL?
How can I extract whatever follows the last slash in a URL in Python? For example, these URLs should return the following:
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How can I check if a directory exists in a Bash shell script?
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Directories on Unix/Linux should not have any whitespaces, and subsequently scripts should not be adapted to it. It's bad enough Windows supports it, with all consequences to Windows scripting, but please, for the love of whatever, no need to in...
How can I display an RTSP video stream in a web page?
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totem on linux/ubuntu also supports rtsp stream
– Oki Erie Rinaldi
Jun 6 '18 at 2:37
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How to remove the lines which appear on file B from another file A?
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Man page link is not loading for me – alternative: linux.die.net/man/1/comm
– Felix Rabe
Jun 23 '19 at 11:25
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How to append the output to a file?
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Size of Matrix OpenCV
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If you are using the Python wrappers, then (assuming your matrix name is mat):
mat.shape gives you an array of the type- [height, width, channels]
mat.size gives you the size of the array
Sample Code:
import cv2
mat = cv2.imread('sample.png'...
How to change to an older version of Node.js
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*NIX (Linux, OS X, ...)
Use n, an extremely simple Node version manager that can be installed via npm.
Say you want Node.js v0.10.x to build Atom.
npm install -g n # Install n globally
n 0.10.33 # Install and use v0.1...
How to copy a selection to the OS X clipboard
...nd will yank the results into the copy buffer. That works for Windows and Linux too.
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How to count number of files in each directory?
... I'd like to point out that this works in OSX, too. (Just copy-pasting Linux advice into an OSX shell usually doesn't work.)
– Pistos
Apr 6 '18 at 16:33
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What is the difference between .yaml and .yml extension? [duplicate]
...tead of appveyor.yml for building the windows wheels of my YAML parser for Python).
On the other hand:
The Yaml (sic!) component of Symfony2 implements a selected subset of features defined in the YAML 1.2 version specification.
So it seems fitting that they also use a subset of the recom...