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Forward declaring an enum in C++
...sen - it could be a char or an int, or something else.
From Section 7.2.5 of the ISO C++ Standard:
The underlying type of an enumeration is an integral type that can represent all the enumerator values defined in the enumeration. It is implementation-defined which integral type is used as the...
The command rbenv install is missing
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254
The install command is not embedded into rbenv, it comes from the ruby-build plugin. You can in...
How to write a:hover in inline CSS?
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595
Short answer: you can't.
Long answer: you shouldn't.
Give it a class name or an id and use ...
What does the “assert” keyword do? [duplicate]
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aioobeaioobe
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5
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Extract a part of the filepath (a directory) in Python
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245
import os
## first file in current dir (with full path)
file = os.path.join(os.getcwd(), os.list...
What is the definition of “interface” in object oriented programming
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MikeSchinkel
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answered May 19 '10 at 15:42
UriUri
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Apply formula to the entire column
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answered May 7 '15 at 9:42
FredFuryFredFury
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PHP “php://input” vs $_POST
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503
The reason is that php://input returns all the raw data after the HTTP-headers of the request,...
Error type 3 Error: Activity class {} does not exist
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655
I faced a similar problem after refactoring.
This is what i did to resolve this issue:
Cleane...
How to change Elasticsearch max memory size
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In ElasticSearch >= 5 the documentation has changed, which means none of the above answers worked for me.
I tried changing ES_HEAP_SIZE in /etc/default/elasticsearch and in etc/init.d/elasticsearch, but when I ran ps aux | grep elasticsearch th...