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How do I replace whitespaces with underscore?
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This doesn't work with other whitespace characters, such as \t or a non-breaking space.
– Roberto Bonvallet
Jun 17 '09 at 15:49
13
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Why is sizeof considered an operator?
...operator rather than a function. For instance:
union foo {
int i;
char c[sizeof(int)];
};
Syntactically if it weren't an operator then it would have to be a preprocessor macro since functions can't take types as arguments. That would be a difficult macro to implement since sizeof can take...
jQuery Get Selected Option From Dropdown
Usually I use $("#id").val() to return the value of the selected option, but this time it doesn't work.
The selected tag has the id aioConceptName
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jQuery Validate Required Select
I am trying to validate html select element using jQuery Validate plugin. I set "required" rule to true but it always passes validation because zero index is chosed by default. Is there any way to define empty value that is used by required rule?
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How to assign string to bytes array
...ize of the slice and use an array instead. My answer below trims the extra chars to make sure you do not overflow the array.
– DavidG
Feb 14 '16 at 5:17
3
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What are the differences between Chosen and Select2?
Chosen and Select2 are the two more popular libraries for extending selectboxes.
11 Answers
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Can an int be null in Java?
... primitive types,we have fixed memory size i.e for int we have 4 bytes and char we have 2 bytes. And null is used only for objects because there memory size is not fixed.
So by default we have,
int a=0;
and not
int a=null;
Same with other primitive types and hence null is only used for...
NSString tokenize in Objective-C
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@Adam, I think what you wanted was componentsSeparatedByCharactersInSet. See answer below.
– Wienke
Aug 28 '12 at 0:01
add a comment
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get string value from HashMap depending on key name
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Suppose you declared HashMap as :-
HashMap<Character,Integer> hs = new HashMap<>();
Then,key in map is of type Character data type and value of int type.Now,to get value corresponding to key irrespective of type of key,value type, syntax is :-
char tem...
From Arraylist to Array
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The method toArray(T[]) in the type ArrayList<Character> is not applicable for the arguments (char[])
– Aaron Franke
Apr 2 '18 at 4:28
add a co...