mitchwongho

# Assuming an Ubuntu Docker image
$ docker run -it <image> /bin/bash

stuart11n

git branch -m old_branch new_branch         # Rename branch locally    
git push origin :old_branch                 # Delete the old branch    
git push --set-upstream origin new_branch   # Push the new branch, set local branch to track the new remote

fedir

from urllib2 import urlopen
code = urlopen("http://example.com/").code
if (code / 100 >= 4):
   print "Nothing there."
# via http://stackoverflow.com/questions/1966086/how-can-i-determine-if-anything-at-the-given-url-does-exist

colorful-tones

sudo killall -HUP mDNSResponder

CristinaSolana

1. Clone your fork:

git clone [email protected]:YOUR-USERNAME/YOUR-FORKED-REPO.git

2. Add remote from original repository in your forked repository:

cd into/cloned/fork-repo
git remote add upstream git://github.com/ORIGINAL-DEV-USERNAME/REPO-YOU-FORKED-FROM.git
git fetch upstream

czarneckid

We first want to take a look at what versions are installed for a given formula, brew info FORMULA. Let's take a look at the versions of Redis that are installed.

@czq. ➜  Formula rvm:() git:(master) brew info redis
redis 2.4.5
http://redis.io/
/usr/local/Cellar/redis/2.4.4 (9 files, 460K)
/usr/local/Cellar/redis/2.4.5 (9 files, 460K) *
...