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How to get 30 days prior to current date?
...d calendar input box. We want defaults start calendar input box 30 days prior to current date and the end calendar input box to be the current date. Here is my date vars.
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StringBuilder vs String concatenation in toString() in Java
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Version 1 is preferable because it is shorter and the compiler will in fact turn it into version 2 - no performance difference whatsoever.
More importantly given we have only 3
properties it might not make a
difference, but at what point do you
switch fro...
Substitute multiple whitespace with single whitespace in Python [duplicate]
... rather avoid REs) is
' '.join(mystring.split())
The split and join perform the task you're explicitly asking about -- plus, they also do the extra one that you don't talk about but is seen in your example, removing trailing spaces;-).
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AngularJS - placeholder for empty result from filter
...eally quickly. When you get data with an ajax request there is an delay before the returned data is shown and in that time you can see the "Nothing here!" part appear and disappear.
– Temega
Mar 26 '14 at 11:27
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How is TeamViewer so fast?
Sorry about the length, it's kinda necessary.
6 Answers
6
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How to append a newline to StringBuilder
... I recommend you to do as below,
r.append(System.getProperty("line.separator"));
System.getProperty("line.separator") gives you system-dependent newline in java. Also from Java 7 there's a method that returns the value directly: System.lineSeparator()
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How can I reorder a list? [closed]
If I have a list [a,b,c,d,e] how can I reorder the items in an arbitrary manner like [d,c,a,b,e] ?
12 Answers
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when I run mockito test occurs WrongTypeOfReturnValue Exception
Error detail:
17 Answers
17
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Why are these numbers not equal?
...ted exactly in binary?
Is floating point math broken?
Canonical duplicate for "floating point is inaccurate" (a meta discussion about a canonical answer for this issue)
Comparing scalars
The standard solution to this in R is not to use ==, but rather the all.equal function. Or rather, since all....
How to convert CFStringRef to NSString?
... "Toll free bridged", meaning that you can simply typecast between them.
For example:
CFStringRef aCFString = (CFStringRef)aNSString;
works perfectly and transparently. Likewise:
NSString *aNSString = (NSString *)aCFString;
The previous syntax was for MRC. If you're using ARC, the new casting...