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Why do people use __(double underscore) so much in C++
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127
From Programming in C++, Rules and Recommendations :
The use of two underscores (`__') in ...
Global and local variables in R
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158
Variables declared inside a function are local to that function. For instance:
foo <- func...
Dynamically creating keys in a JavaScript associative array
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144
Use the first example. If the key doesn't exist it will be added.
var a = new Array();
a['na...
How to use android emulator for testing bluetooth application?
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130
You can't. The emulator does not support Bluetooth, as mentioned in the SDK's docs and several...
req.query and req.param in ExpressJS
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req.query will return a JS object after the query string is parsed.
/user?name=tom&age=55...
relative path in BAT script
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answered Feb 18 '13 at 18:28
Ansgar WiechersAnsgar Wiechers
168k2121 gold badges187187 silver badges253253 bronze badges
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C++ equivalent of Java's toString?
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179
In C++ you can overload operator<< for ostream and your custom class:
class A {
public:...
Is there something like Annotation Inheritance in java?
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edited Oct 29 '19 at 18:24
JuanMoreno
1,3511212 silver badges2121 bronze badges
answered Oct ...
How to convert timestamp to datetime in MySQL?
How to convert 1300464000 to 2011-03-18 16:00:00 in MySQL?
5 Answers
5
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How to change the CHARACTER SET (and COLLATION) throughout a database?
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371
change database collation:
ALTER DATABASE <database_name> CHARACTER SET utf8 COLLATE utf8m...