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Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?
...ehaviour, you observe, which always moves, is a bug in libstdc++, which is now fixed according to a comment on the question. For those curious, I took a look at the g++-4.8 headers.
bits/stl_map.h, lines 598-603
template<typename _Pair, typename = typename
std::enable_if<std::is...
Creating multiline strings in JavaScript
...
ES6 Update:
As the first answer mentions, with ES6/Babel, you can now create multi-line strings simply by using backticks:
const htmlString = `Say hello to
multi-line
strings!`;
Interpolating variables is a popular new feature that comes with back-tick delimited strings:
const htmlStri...
How do I spool to a CSV formatted file using SQLPLUS?
...
Does anyone know how to you turn off echo, the obvious "set echo off" doesn't seem to work with this?
– Quaternion
Nov 1 '18 at 22:39
...
Why wasn't PyPy included in standard Python?
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It is worth noting that PyPy now comes with an incremental GC, and is potentially more suitable for games as a consequence.
– porgarmingduod
Oct 23 '13 at 11:55
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Import package.* vs import package.SpecificType [duplicate]
...
import a.*;
import b.*;
...
Foo f;
and class Foo exists in package a.
Now you check in your perfectly compiling code, and six months later, someone adds class Foo to package b. (Perhaps it's a third party lib that added classes in the latest version).
Poof! Now your code refuses to compile.
N...
How to create Android Facebook Key Hash?
...e and password etc. Store it as a .jks file at a folder easily accessible. Now copy the path and generate the key by replacing that path in the above mentioned answer.
– buggydroid
Dec 9 '15 at 11:08
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How do I enable TODO/FIXME/XXX task tags in Eclipse?
In all my years of using Eclipse, I never knew until now that TODO / FIXME / XXX comment tags are supposed to appear in the task list. Apparently this is something that is disabled by default because I have been using those tags for as long as I've been using Eclipse and I have never seen one of the...
“git rm --cached x” vs “git reset head -- x”?
... commit it, you add it to the tree as well.
It will probably help you to know the three more common flags in git reset:
git reset [--<mode>] [<commit>]
This form resets the current branch head to <commit> and possibly
updates the index (resetting it to the tree of <...
undefined reference to `WinMain@16'
... MessageBox( 0, "Blah blah...", "My Windows app!", MB_SETFOREGROUND );
}
Now let's build it using GNU toolchain (i.e. g++), no special options. Here gnuc is just a batch file that I use for that. It only supplies options to make g++ more standard:
C:\test> gnuc x.cpp
C:\test> objdump -x a...
MySQL “WITH” clause
...l#recursive_queries
Informix 14.10 and later:
https://www.ibm.com/support/knowledgecenter/SSGU8G_14.1.0/com.ibm.sqls.doc/ids_sqs_with.htm
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