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How do I replace whitespaces with underscore?

... 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...
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NSString tokenize in Objective-C

... @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

... 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...
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From Arraylist to Array

... 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...
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What do the following phrases mean in C++: zero-, default- and value-initialization?

...) {}; ~C(); int m; }; // non-POD, default-initialising m int main() { char buf[sizeof(B)]; std::memset( buf, 0x5a, sizeof( buf)); // use placement new on the memset'ed buffer to make sure // if we see a zero result it's due to an explicit // value initialization B* pB =...
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Reset select2 value and show placeholder

How do I set the placeholder on value reset by select2. In my example If locations or grade select boxes are clicked and my select2 has a value than the value of select2 should reset and show the default placeholder. This script is resetting the value but won't show the placeholder ...
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How to style the option of an html “select” element?

...ed via CSS. There are replacement plug-ins/libraries that look like a <select> but are actually composed of regular HTML elements that CAN be styled. share | improve this answer | ...
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Can I apply the required attribute to fields in HTML5?

How can I check if a user has selected something from a <select> field in HTML5? 13 Answers ...
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How do you select a particular option in a SELECT element in jQuery?

... A selector to get the middle option-element by value is $('.selDiv option[value="SEL1"]') For an index: $('.selDiv option:eq(1)') For a known text: $('.selDiv option:contains("Selection 1")') EDIT: As commented above t...