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Why would anyone use set instead of unordered_set?
...der doesn't matter.
– mfnx
Jan 1 at 10:21
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How can I list all collections in the MongoDB shell?
...$ mongo prodmongo/app --eval "show collections"
MongoDB shell version: 3.2.10
connecting to: prodmongo/app
2016-10-26T19:34:34.886-0400 E QUERY [thread1] SyntaxError: missing ; before statement @(shell eval):1:5
$ mongo prodmongo/app --eval "db.getCollectionNames()"
MongoDB shell version: 3.2.10...
How to sort Map values by key in Java?
...sert an element will go from O(1) to O(Log(N)).
In a HashMap, moving from 1000 items to 10,000 doesn't really affect your time to lookup an element, but for a TreeMap the lookup time will be about 3 times slower (assuming Log2). Moving from 1000 to 100,000 will be about 6 times slower for every el...
Fast Linux File Count for a large number of files
... in a particular directory when there are a very large number of files ( > 100,000).
18 Answers
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How to print to the console in Android Studio?
...:09
nbro
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answered May 28 '13 at 4:30
Brandon S. Le...
How to make MySQL handle UTF-8 properly
... Hendy Irawan
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answered Oct 14 '08 at 18:21
OwenOwen
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Difference between malloc and calloc?
... Fred LarsonFred Larson
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Finding the source code for built-in Python functions?
...other builtins).
– peter.slizik
Sep 10 at 10:02
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Allowed characters in Linux environment variable names
...r '='. For values to be
portable across systems conforming to
IEEE Std 1003.1-2001, the value shall
be composed of characters from the
portable character set (except NUL
and as indicated below).
So names may contain any character except = and NUL, but:
Environment variable names used...
How to get POSTed JSON in Flask?
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110
For reference, here's complete code for how to send json from a Python client:
import requests...