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How to do a non-greedy match in grep?
...ds, try to avoid wildcards.
For example, to fetch all links to jpeg files from the page content, you'd use:
grep -o '"[^" ]\+.jpg"'
To deal with multiple line, pipe the input through xargs first. For performance, use ripgrep.
...
How do I commit case-sensitive only filename changes in Git?
...set this setting to false:
git config core.ignorecase false
Documentation
From the git config documentation:
core.ignorecase
If true, this option enables various workarounds to enable git to work better on filesystems that are not case sensitive, like FAT. For example, if a directory listing finds...
Stopping python using ctrl+c
... the python exception hierarchy and only catch exceptions that are derived from Exception.
#This is the wrong way to do things
try:
#Some stuff might raise an IO exception
except:
#Code that ignores errors
#This is the right way to do things
try:
#Some stuff might raise an IO exception
excep...
git: How to ignore all present untracked files?
...le; No. -c marks the beginning of a list of column numbers to cut. And 4- selects the line from column 4 to the end, which cuts columns 1-3. So your cut command actually removes the first 3 characters of each line. If you removed 4 characters from a git status line such as the one for this file he...
Best way to make Django's login_required the default
... may be your best bet. I've used this piece of code in the past, modified from a snippet found elsewhere:
import re
from django.conf import settings
from django.contrib.auth.decorators import login_required
class RequireLoginMiddleware(object):
"""
Middleware component that wraps the lo...
How do I plot in real-time in a while loop using matplotlib?
...n. To make it work as a standalone script, it's necessary to 1) explicitly select a backend for matplotlib, and 2) to force the figure to be displayed and drawn before entering the animation loop using plt.show() and plt.draw(). I've added these changes to the code above.
– ali...
What is the python “with” statement designed for?
...lso construct your own context managers using the contextmanager decorator from contextlib. For instance, I often use this when I have to change the current directory temporarily and then return to where I was:
from contextlib import contextmanager
import os
@contextmanager
def working_directory(p...
How to use ssh agent forwarding with “vagrant ssh”?
...n suggested didn't help... What worked for me was adding keys to keychain from my host OS and disabling config.ssh.private_key_path assignment.
– alexserver
Oct 27 '15 at 5:06
...
Java system properties and environment variables
... System.grtProperties() lists all properties, and those set from command line will be there, but there's no way to distinguish those from the other properties added by the system, if that's what you're asking.
– Bohemian♦
Jul 25 '13 at 10:13
...
How to manually create icns files using iconutil?
...names to try and make the comment cleaner, I am running it in the Terminal from within the folder that contains the src script and icons. The only thing different than before is El Capitan vs Yosemite... I literally used the script before updating the OS with success and then right after updating (i...