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JavaScript/jQuery to download file via POST with JSON data
... link.href=window.URL.createObjectURL(blob);
link.download="myFileName.txt";
link.click();
});
This is IE 10+, Chrome 8+, FF 4+. See https://developer.mozilla.org/en-US/docs/Web/API/URL.createObjectURL
It will only download the file in Chrome, Firefox and Opera. This uses a download attr...
Does git return specific return error codes?
...test to fail. This is what I got:
$ git merge newbranch
Auto-merging test.txt
CONFLICT (content): Merge conflict in test.txt
Automatic merge failed; fix conflicts and then commit the result.
$ echo $?
1
Git returns 0 when it merges correctly, as expected.
...
Configuring so that pip install can work from github
...
If you want to use requirements.txt file, you will need git and something like the entry below to anonymously fetch the master branch in your requirements.txt.
For regular install:
git+git://github.com/celery/django-celery.git
For "editable" install:
-...
Visual Studio 2010 always thinks project is out of date, but nothing has changed
... 1>Project not up to date because build input 'C:\...\ReadMe.txt' is missing. :O !!?!
– jozxyqk
Nov 21 '14 at 10:19
3
...
seek() function?
... Example:
So if you have a text file with the following content:
simple.txt
abc
You can jump 1 byte to skip over the first character as following:
fp = open('simple.txt', 'r')
fp.seek(1)
print fp.readline()
>>> bc
Binary file example gathering width :
fp = open('afile.png', 'rb')
...
Batch equivalent of Bash backticks
...by redirecting the output to a file first. For example:
echo zz > bla.txt
set /p VV=<bla.txt
echo %VV%
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What is the difference between a regular string and a verbatim string?
... to be escaped, like a filename:
string myFileName = "C:\\myfolder\\myfile.txt";
would be
string myFileName = @"C:\myfolder\myfile.txt";
The @ symbol means to read that string literally, and don't interpret control characters otherwise.
...
Stash changes while keeping the changes in the working directory in Git
...eep, and then stash everything using --keep-index:
$ git add modified-file.txt
$ git stash push --keep-index
The commands above will stash everything, but it will leave the files staged in your working directory.
From the official Linux Kernel Git documentation for git stash or from git-scm:
If th...
How do you plot bar charts in gnuplot?
...We begin by writing a text file of GNUplot commands. Lets call it commands.txt:
set term png
set output "graph.png"
set boxwidth 0.5
set style fill solid
plot "data.dat" using 1:3:xtic(2) with boxes
set term png will set GNUplot to output a .png file and set output "graph.png" is the name of the ...
Lazy Method for Reading Big File in Python?
...ces. Here an example from the documentation:
import mmap
with open("hello.txt", "r+") as f:
# memory-map the file, size 0 means whole file
map = mmap.mmap(f.fileno(), 0)
# read content via standard file methods
print map.readline() # prints "Hello Python!"
# read content via sl...