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Symbolic link to a hook in git
...directory. This is more self-explanatory if you first cd into .git/hooks before making the symlink, and figure out the relative path from there.
– Eliot
Feb 6 '14 at 19:57
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Allow CORS REST request to a Express/Node.js application on Heroku
I've written a REST API on the express framework for node.js that works for requests from the js console in Chrome, and URL bar, etc. I'm now trying to get it working for requests from another app, on a different domain (CORS).
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`new function()` with lower case “f” in JavaScript
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I've seen that technique before, it's valid, you are using a function expression as if it were a Constructor Function.
But IMHO, you can achieve the same with an auto-invoking function expression, I don't really see the point of using the new operator...
Git rebase merge conflict cannot continue
...that there was a file that was modified, but was not added into commit. Performing add somefile.txt allowed to continue with rebasing.
– azizbekian
Oct 26 '17 at 12:31
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Fixing Sublime Text 2 line endings?
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@soothsayer, for existing files, select all the text, then view -> line endings -> unix. Then save the document.
– AGS
Dec 18 '13 at 12:20
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Python argparse mutual exclusive group
...It makes options within the group mutually exclusive.
What you're looking for is subcommands. Instead of prog [ -a xxxx | [-b yyy -c zzz]], you'd have:
prog
command 1
-a: ...
command 2
-b: ...
-c: ...
To invoke with the first set of arguments:
prog command_1 -a xxxx
To invok...
How do I squash two non-consecutive commits?
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You can run git rebase --interactive and reorder D before B and squash D into A.
Git will open an editor, and you see a file like this, ex: git rebase --interactive HEAD~4
pick aaaaaaa Commit A
pick bbbbbbb Commit B
pick ccccccc Commit C
pick ddddddd Commit D
# Rebase aaaaaa...
How to pass argument to Makefile from command line?
...he command line, e.g. "action value1 value2".
$@ is an automatic variable for the name of the target of the rule, in this case "action".
filter-out is a function that removes some elements from a list. So $(filter-out bar, foo bar baz) returns foo baz (it can be more subtle, but we don't need subt...
What is the meaning of the prefix N in T-SQL statements and when should I use it?
...ve seen prefix N in some insert T-SQL queries. Many people have used N before inserting the value in a table.
4 Answers
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...o -n hi", \
shell=True, stdout=subprocess.PIPE).communicate()[0])
As for the b preceding the string it indicates that it is a byte sequence which is equivalent to a normal string in Python 2.6+
http://docs.python.org/3/reference/lexical_analysis.html#literals
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