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Variable name as a string in Javascript
...ere a way to get a variable name as a string in Javascript? (like NSStringFromSelector in Cocoa )
17 Answers
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How to add a downloaded .box file to Vagrant?
How do I add a downloaded .box file to Vagrant's list of available boxes? The .box file is located on an external drive.
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Reason for Column is invalid in the select list because it is not contained in either an aggregate f
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Suppose I have the following table T:
a b
--------
1 abc
1 def
1 ghi
2 jkl
2 mno
2 pqr
And I do the following query:
SELECT a, b
FROM T
GROUP BY a
The output should have two rows, one row where a=1 and a second row where a=2...
How do you test a public/private DSA keypair?
Is there an easy way to verify that a given private key matches a given public key? I have a few *.pub and a few *.key files, and I need to check which go with which.
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How do I immediately execute an anonymous function in PHP?
In JavaScript, you can define anonymous functions that are executed immediately:
9 Answers
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Can I use my existing git repo with openshift?
Is it necessary to have git repo on openshift only? I already have bitbucket / github git repo and would prefer to push there only. Can I simply hook into it so that openshift gets intimation ?
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Django - how to create a file and save it to a model's FileField?
Here's my model. What I want to do is generate a new file and overwrite the existing one whenever a model instance is saved:
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How do I parse an ISO 8601-formatted date?
I need to parse RFC 3339 strings like "2008-09-03T20:56:35.450686Z" into Python's datetime type.
27 Answers
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In Java, what does NaN mean?
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Taken from this page:
"NaN" stands for "not a number". "Nan"
is produced if a floating point
operation has some input parameters
that cause the operation to produce
some undefined result. For example,
0.0 divided by 0...
Update Git branches from master
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You have two options:
The first is a merge, but this creates an extra commit for the merge.
Checkout each branch:
git checkout b1
Then merge:
git merge origin/master
Then push:
git push origin b1
Alternatively, you can do a rebase:
git fet...