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Finding child element of parent pure javascript
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157
The children property returns an array of elements, like so:
parent = document.querySelector('...
How can I find out if I have Xcode commandline tools installed?
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Danh
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answered Nov 4 '16 at 5:45
crujzocrujzo
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How do .gitignore exclusion rules actually work?
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Eclipse: quick search on filename
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Lii
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answered May 17 '12 at 14:37
Rangi LinRangi Lin
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Why can't you modify the data returned by a Mongoose Query (ex: findById)
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JohnnyHKJohnnyHK
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Select rows which are not present in other table
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+500
There are basically 4 techniques for this task, all of them standard SQL.
NOT EXISTS
Often fastest in Postgres.
SELECT ip
FROM...
How to get one value at a time from a generator function in Python?
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157
Yes, or next(gen) in 2.6+.
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How is this fibonacci-function memoized?
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The evaluation mechanism in Haskell is by-need: when a value is needed, it is calculated, and ke...
How do I use a file grep comparison inside a bash if/else statement?
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205
From grep --help, but also see man grep:
Exit status is 0 if any line was selected, 1 otherw...