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How to round up a number to nearest 10?
...imo002Timo002
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Sublime Text 2: Trim trailing white space on demand
I know that Sublime Text 2 can delete the trailing white space on files upon saving.
5 Answers
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What is the use of the %n format specifier in C?
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For some reason the sample raises error with note n format specifies disabled. What's the reason?
– Johnny_D
Jul 20 '14 at 19:46
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Difference between `constexpr` and `const`
.... Therefore, you cannot use it as a constant expression:
int arr[mx]; // error: “constant expression required”
constexpr is a new C++11 keyword that rids you of the need to create macros and hardcoded literals. It also guarantees, under certain conditions, that objects undergo static initiali...
How do I compare two string variables in an 'if' statement in Bash? [duplicate]
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The double equals sign is an error in the first case. Bash tolerates it, but the portable variant is if [ "$s1" = "$s2" ]. See also Rahul's answer
– tripleee
Aug 12 '16 at 4:59
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What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?
...ut myself, so take this with some skepticism and forgive me if it contains errors.
setNeedsLayout is an easy one: it just sets a flag somewhere in the UIView that marks it as needing layout. That will force layoutSubviews to be called on the view before the next redraw happens. Note that in many ...
High Quality Image Scaling Library [closed]
... < 0) || (quality > 100))
{
//create the error message
string error = string.Format("Jpeg image quality must be between 0 and 100, with 100 being the highest quality. A value of {0} was specified.", quality);
//throw a helpful except...
Assign same value to multiple variables at once?
...word & using this method
$c = 1234;
$a = $b = &$c; // no syntax error
// $a is passed by value. $b is passed by reference of $c
$a = &$b = &$c; // syntax error
$a = &($b = &$c); // $b = &$c is okay.
// but $a = &(...) is error because you can not pass by referen...
What's the difference between “static” and “static inline” function?
...te) source code cannot go in headers without causing multiple redefinition errors. So even when declaring something inline, even if the compiler chooses not to inline it, there is still a standard-mandated multiple-redefinition avoiding behavior that kicks in.
– VoidStar
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Officially, what is typename for?
On occasion I've seen some really indecipherable error messages spit out by gcc when using templates... Specifically, I've had problems where seemingly correct declarations were causing very strange compile errors that magically went away by prefixing the typename keyword to the beginning of the...