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Find and restore a deleted file in a Git repository
...t -n 1 HEAD -- "$file")^ -- "$file"
If you are using zsh and have the EXTENDED_GLOB option enabled, the caret symbol won't work. You can use ~1 instead.
git checkout $(git rev-list -n 1 HEAD -- "$file")~1 -- "$file"
sh...
How to measure time in milliseconds using ANSI C?
... C function that provides better than 1 second time resolution but the POSIX function gettimeofday provides microsecond resolution. The clock function only measures the amount of time that a process has spent executing and is not accurate on many systems.
You can use this function like this:
stru...
What is a CSRF token ? What is its importance and how does it work?
...kens.
Now for the better one with CSRF tokens:
The transfer request is extended with a third argument: http://www.mybank.com/transfer?to=123456;amount=10000;token=31415926535897932384626433832795028841971.
That token is a huge, impossible-to-guess random number that mybank.com will include on th...
JavaScript curry: what are the practical applications?
...—it is commonly associated with partial application, though. John Resig explains it better, but the gist is that have some logic that will be applied to two or more arguments, and you only know the value(s) for some of those arguments.
You can use partial application/currying to fix those known ...
How to remove specific elements in a numpy array
...
Use numpy.delete() - returns a new array with sub-arrays along an axis deleted
numpy.delete(a, index)
For your specific question:
import numpy as np
a = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9])
index = [2, 3, 6]
new_a = np.delete(a, index)
print(new_a) #Prints `[1, 2, 5, 6, 8, 9]`
Note...
form serialize javascript (no framework)
...cument.querySelector('form');
var data = new FormData(form);
var req = new XMLHttpRequest();
req.send(data);
Though it seems to be working only for POST requests.
https://developer.mozilla.org/en-US/docs/Web/API/FormData
...
Insert line after first match using sed
...e crunch at the moment. How would I go about inserting a choice line of text after the first line matching a specific string using the sed command. I have ...
...
Plotting with seaborn using the matplotlib object-oriented interface
...he plotting functions in seaborn are broadly divided into two classes
"Axes-level" functions, including regplot, boxplot, kdeplot, and many others
"Figure-level" functions, including lmplot, factorplot, jointplot and one or two others
The first group is identified by taking an explicit ax argum...
Nested JSON objects - do I have to use arrays for everything?
....id
obj.otherstuff.thing[0][1] //thing is a nested array or a 2-by-2 matrix.
//I'm not sure whether you intended to do that.
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