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Git diff -w ignore whitespace only at start & end of lines
...r default behavior, the following line adds that intent to your .gitconfig file, so it will always ignore the space at line ends:
git config --global core.whitespace trailing-space
In my case, I found this question because I was interested in ignoring "carriage return whitespace differences", so I...
“You have mail” message in terminal, os X [closed]
...ew tab in Terminal (which happened to me once). To solve this problem, the file is needed to be removed (ie. sudo rm /var/mail/<your-username>).
– Muntashir Akon
Oct 6 '17 at 2:10
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Is Python interpreted, or compiled, or both?
...n interprets that (as you say); however, when there is already a byte code file (pre-compiled), it doesn't have to do the first step, which saves some time.
– GordonBGood
May 14 '16 at 0:40
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Tricks to manage the available memory in an R session
...oad.R and do.R, where load.R may take quite some time to load in data from files or a database, and does any bare minimum pre-processing/merging of that data. The last line of load.R is something to save the workspace state. Then do.R is my scratchpad whereby I build out my analysis functions. I fr...
When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...u want a working URL. Make this call:
encodeURI("http://www.example.org/a file with spaces.html")
to get:
http://www.example.org/a%20file%20with%20spaces.html
Don't call encodeURIComponent since it would destroy the URL and return
http%3A%2F%2Fwww.example.org%2Fa%20file%20with%20spaces.html
...
sys.argv[1] meaning in script
...to know your script name. To get the first argument after the script for a filename, you could do the following:
filename = sys.argv[1]
This is a very common usage, but note that it will fail with an IndexError if no argument was supplied.
Also, Python lets you reference a slice of a list, so to...
Is 23,148,855,308,184,500 a magic number, or sheer chance?
...n to the bank is known as settlement, and its done by sending a plain text file in a very rigid format. (This was all developed decades ago and the number of systems now using it makes it hard to modernise)
Each transaction appears in the file as a line of text, and part of that is the transaction ...
CUDA incompatible with my gcc version
... CUDA_NVCC_FLAGS="-ccbin gcc-4.4" .. && make. If you use plain Makefile you can try make CXX=g++-4.4 CC=gcc-4.4.
– patryk.beza
Apr 4 '16 at 18:54
1
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How to restart a rails server on Heroku?
...u can make a permanent alias by adding it to your .bashrc or .bash_aliases file as described at:
https://askubuntu.com/questions/17536/how-do-i-create-a-permanent-bash-alias and
Creating permanent executable aliases
Then you can just type hra app_name
You can restart a specific remote, e.g. "stagin...
From inside of a Docker container, how do I connect to the localhost of the machine?
... bind-address = 172.17.42.1 or bind-address = 0.0.0.0 in your MySQL config file (my.cnf).
If you need to set an environment variable with the IP address of the gateway, you can run the following code in a container :
export DOCKER_HOST_IP=$(route -n | awk '/UG[ \t]/{print $2}')
then in your app...