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In Java, what is the best way to determine the size of an object?

... primitives but then you don't really need a program to tell you how big a char is. – Brel Sep 16 '11 at 12:39 6 ...
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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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How do I replace multiple spaces with a single space in C#?

... @Oscar Joel’s code isn’t a simple loop through all characters! It’s a hidden nested loop that has a quadratic worst case. This regular expression, by contrast, is linear, only builds up a single string (= drastically reduced allocation costs compared to Joel’s code) and ...
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Should commit messages be written in present or past tense? [closed]

... "Fix bug X" is 2 characters shorter than "Fixed bug X". And 3 shorter than "Fixing bug X". From the point of view of writing-short-commit-messages, the present tense sometimes / usually saves a few characters? Which I actually think matters ...
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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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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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generate days from date range

...000 days, and could be extended to go as far back or forward as you wish. select a.Date from ( select curdate() - INTERVAL (a.a + (10 * b.a) + (100 * c.a) + (1000 * d.a) ) DAY as Date from (select 0 as a union all select 1 union all select 2 union all select 3 union all select 4 union all ...
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How to print third column to last column?

...e the same between all columns, but there have to be EXACTLY ONE delimiter character between columns. So if you are dealing with programs that align their output with delimiters, it is better to use awk. – sknaumov Aug 21 '12 at 12:40 ...
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Get selected value/text from Select on change

I need to get the value of the selected option in javascript: does anyone know how to get the selected value or text, please tell how to write a function for it. I have assigned onchange() function to select so what do i do after that? ...
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When should I use nil and NULL in Objective-C?

...ke a C pointer) in Objective-C. Like nil , NULL got no value nor address. char *myChar = NULL; struct MyStruct *dStruct = NULL; So if there is a situation, when I need to check my struct (structure type variable) is empty or not then, I will use: if (dStruct == NULL) NSLog("The struct is emp...