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Python serialization - Why pickle?
...that does respect Object programming - different from an output written in txt file or DB.
4 Answers
...
Retrieve the commit log for a specific line in a file?
... using pick-axe.
git log -S'the line from your file' -- path/to/your/file.txt
This will give you all of the commits that affected that text in that file. If the file was renamed at some point, you can add --follow-parent.
If you would like to inspect the commits at each of these edits, you can p...
How to create full compressed tar file using Python?
...directory)
with tarfile.open("save.tar.gz","w:gz"):
for file in ["a.txt","b.log","c.png"]:
tar.add(os.path.basename(file))
its use in tar.gz file compress in directory
share
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i...
emacs/elisp: What is the hash (pound, number sign, octothorp) symbol used for?
...nted is a description (but cannot be read). For example:
#<buffer foo.txt>
It is also used in constructs by the reader to represent circular structures. See the docs for Read Syntax for Circular Objects.
And then you have its use for denoting the base for integers, e.g. #x2c -> 44.
P...
PostgreSQL disable more output
...ut somewhere, regular and errors.
psql db -f sql.sql 2>&1 > log.txt
mind you there can not be spaces between 2>&1
Finally and sometimes most interesting is the fact that you can suppress all output by using &>, for when you want it 'perfectly quiet'
psql db -f sql.sql &am...
How do I close a connection early?
...e called bgping.
echo starting bgping
ping -c 15 www.google.com > dump.txt &
echo ending bgping
Note the &. The ping command will run in the background while the current process moves on to the echo command.
It will ping www.google.com 15 times, which
how to unit test file upload in django
...
I used to do the same with open('some_file.txt') as fp: but then I needed images, videos and other real files in the repo and also I was testing a part of a Django core component that is well tested, so currently this is what I have been doing:
from django.core.files...
How to add NERDTree to your .vimrc
...im, run it like this from the command line:
$ vim -c "NERDTree" some_file.txt
You can set an alias for this in your .bashrc:
alias vimt='vim -c "NERDTree" $1'
Now whenever you run vimt (instead of vim) you'll also open up NERDTree on the left side of the window.
You could also add a shortcut ...
What's the best way to check if a file exists in C?
...
FILE *file;
if((file = fopen("sample.txt","r"))!=NULL)
{
// file exists
fclose(file);
}
else
{
//File not found, no memory leak since 'file' == NULL
//fclose(file) would cause an error
...
How can I install MacVim on OS X?
... terminal. That's it! :D Now open folder or files with mvim . or mvim file.txt
– alexventuraio
Feb 7 '17 at 4:40
After...