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Overloading Macro on Number of Arguments
...FOO3(foo,bar,baz)
If you want a fourth one:
#define GET_MACRO(_1,_2,_3,_4,NAME,...) NAME
#define FOO(...) GET_MACRO(__VA_ARGS__, FOO4, FOO3, FOO2)(__VA_ARGS__)
FOO(a,b,c,d) # expeands to FOO4(a,b,c,d)
Naturally, if you define FOO2, FOO3 and FOO4, the output will be replaced by those o...
Launching Spring application Address already in use
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edited Nov 9 '19 at 13:46
answered Dec 23 '13 at 21:45
M...
How to write a UTF-8 file with Java?
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edited Apr 21 '18 at 4:02
Neuron
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answered J...
Multiple models in a view
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edited Oct 4 '13 at 17:40
Cosmo Harrigan
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answered J...
Git Diff with Beyond Compare
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141
I don't use extra wrapper .sh files. My environment is Windows XP, git 1.7.1 on cygwin, and Bey...
How can I check if a single character appears in a string?
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edited Mar 22 at 12:40
Ömer Erden
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answere...
How can I iterate over an enum?
...the enum values are specified:
enum Foo {
One = 1,
Two = 9,
Three = 4,
Last
};
This illustrates that an enum is not really meant to iterate through. The typical way to deal with an enum is to use it in a switch statement.
switch ( foo )
{
case One:
// ..
break;
ca...
Linux how to copy but not overwrite? [closed]
...:56
Neal
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answered Feb 22 '12 at 10:12
hovanessyanhovanessyan
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What is the meaning of the term “thread-safe”?
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edited Jun 2 '19 at 6:24
Adam Millerchip
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answ...
How to calculate the angle between a line and the horizontal axis?
...ative.
The sign of deltaY will tell you whether the sine described in step 4 is positive or negative.
The signs of deltaX and deltaY will tell you which quadrant the angle is in, in relation to the positive X axis at P1:
+deltaX, +deltaY: 0 to 90 degrees.
-deltaX, +deltaY: 90 to 180 degrees.
-delt...