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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
... worst pseudo-operator ever.
Edit: This does appear to be conformant. §8.3.5/3 describes one way to form the parameter list as
parameter-declaration-listopt ...opt
So the double-ellipsis is formed by a parameter-declaration-list ending with a parameter pack, followed by another ellipsis.
Th...
Accessing a class's constants
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Dylan MarkowDylan Markow
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What is the difference between .map, .every, and .forEach?
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edited Jul 18 '19 at 17:31
answered Sep 7 '11 at 21:52
gi...
MySQL: @variable vs. variable. What's the difference?
...2 @var2
--- ---
2 2
CALL prc_test();
var2 @var2
--- ---
2 3
CALL prc_test();
var2 @var2
--- ---
2 4
As you can see, var2 (procedure variable) is reinitialized each time the procedure is called, while @var2 (session-specific variable) is not.
(In addition to user-defined v...
Java Hashmap: How to get key from value?
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34 Answers
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How to disable visual “dots” in Visual Studio Editor
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answered Apr 30 '10 at 11:41
VickyVicky
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Indent starting from the second line of a paragraph with CSS
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edited Dec 3 '19 at 16:43
Mike 'Pomax' Kamermans
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How to get the error message from the error code returned by GetLastError()?
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//Returns the last Win32 error, in string format. Returns an empty string if there is no error.
std::string GetLastErrorAsString()
{
//Get the error message, if any.
DWORD errorMessageID = ::GetLastError();
if(errorMessageID == 0)
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Reset the database (purge all), then seed a database
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answered Oct 23 '10 at 13:45
JackCAJackCA
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How to easily initialize a list of Tuples?
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305
c# 7.0 lets you do this:
var tupleList = new List<(int, string)>
{
(1, "cow")...