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'typeid' versus 'typeof' in C++
...".
– idclev 463035818
Jun 28 '16 at 12:43
11
FYI, decltype is not a replacement for typeof. typeo...
Git: what is a dangling commit/blob and where do they come from?
...fferent question.
– Elijah Lynn
Jul 12 '17 at 18:03
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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
...k capture those variables from your local scope instead.
int parameter1 = 12;
float parameter2 = 144.1;
// Delay execution of my block for 10 seconds.
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 10 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
NSLog(@"parameter1: %d parameter2: %f", param...
getSupportActionBar from inside of Fragment ActionBarCompat
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OneCricketeer
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answered Aug 19 '13 at 18:44
Pierre-Antoine La...
How can I increment a date by one day in Java?
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DaveDave
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50
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How to check if a string contains only digits in Java [duplicate]
... all be "true"
System.out.println("1".matches(regex));
System.out.println("12345".matches(regex));
System.out.println("123456789".matches(regex));
// negative test cases, should all be "false"
System.out.println("".matches(regex));
System.out.println("foo".matches(regex));
System.out.println("aa123...
Run a JAR file from the command line and specify classpath
...th_no_namea_horse_with_no_name
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22
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Extracting the last n characters from a ruby string
...e a one liner, you can put a number greater than the size of the string:
"123".split(//).last(5).to_s
For ruby 1.9+
"123".split(//).last(5).join("").to_s
For ruby 2.0+, join returns a string
"123".split(//).last(5).join
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How to nicely format floating numbers to String without unnecessary decimal 0?
...d);
else
return String.format("%s",d);
}
Produces:
232
0.18
1237875192
4.58
0
1.2345
And does not rely on string manipulation.
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Can you get DB username, pw, database name in Rails?
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Robert GambleRobert Gamble
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