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How to retrieve a single file from a specific revision in Git?
...e syntax is indeed
git show object
git show $REV:$FILE
git show somebranch:from/the/root/myfile.txt
git show HEAD^^^:test/test.py
The command takes the usual style of revision, meaning you can use any of the following:
branch name (as suggested by ash)
HEAD + x number of ^ characters
The SHA1 hash...
Getting a random value from a JavaScript array
...ed in your project you can use _.sample.
// will return one item randomly from the array
_.sample(['January', 'February', 'March']);
If you need to get more than one item randomly, you can pass that as a second argument in underscore:
// will return two items randomly from the array using unders...
How to read a line from the console in C?
...
Note that this getline() is different from the POSIX standard getline() function.
– Jonathan Leffler
Apr 12 '17 at 5:42
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Log all requests from the python-requests module
...
@TD_Nijboer: see How do I disable log messages from the Requests library?
– Martijn Pieters♦
Aug 11 '16 at 13:46
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How to do Base64 encoding in node.js?
...doing base64 encoding of the result. For example:
> console.log(Buffer.from("Hello World").toString('base64'));
SGVsbG8gV29ybGQ=
> console.log(Buffer.from("SGVsbG8gV29ybGQ=", 'base64').toString('ascii'))
Hello World
Buffers are a global object, so no require is needed. Buffers created with ...
Convert .pem to .crt and .key
...and to extract/convert the certificate .crt and private key .key files from a .pem file? I just read they are interchangable, but not how.
...
Why does C++ rand() seem to generate only numbers of the same order of magnitude?
...an important one. Might be a good place to point out various distributions from the C++11 standard library.
– leftaroundabout
Jun 20 '13 at 21:43
add a comment
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What are the use-cases for Web Workers? [closed]
... wouldn’t want to block your code editing whilst you’re using the app.
From Mozilla: One way workers are useful is to allow your code to perform processor-intensive calculations without blocking the user interface thread.
As a practical example, think of an app which has a large table of #s (t...
Remove duplicate dict in list in Python
...(tuple(d.items()) for d in l)) and, after that, re-create the dictionaries from tuples with dict.
where:
l is the original list
d is one of the dictionaries in the list
t is one of the tuples created from a dictionary
Edit: If you want to preserve ordering, the one-liner above won't work since ...
C++ valarray vs. vector
...true) didn't help it either.
ISTR that the main reason it wasn't removed from the standard is that nobody took the time to evaluate the issue thoroughly and write a proposal to remove it.
Please keep in mind, however, that all this is vaguely remembered hearsay. Take this with a grain of salt an...