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Debug vs. Release performance
...ly true. In debug mode, the compiler emits debug symbols for all variables and compiles the code as is. In release mode, some optimizations are included:
unused variables do not get compiled at all
some loop variables are taken out of the loop by the compiler if they are proven to be invariants
cod...
Can we have functions inside functions in C++?
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Modern C++ - Yes with lambdas!
In current versions of c++ (C++11, C++14, and C++17), you can have functions inside functions in the form of a lambda:
int main() {
// This declares a lambda, which can be called just like a function
auto print_message = [](std::string message)
{
...
Appropriate datatype for holding percent values?
...hat ensures that the values never exceed 1.0000 (assuming that is the cap) and never go below 0 (assuming that is the floor). If you are going to store their face value (e.g. 100.00% is stored as 100.00), then you should use decimal(5,2) with an appropriate CHECK constraint. Combined with a good col...
Why would adding a method add an ambiguous call, if it wouldn't be involved in the ambiguity
...s, you have found a bug in overload resolution. The bug reproduces in C# 4 and 5; it does not reproduce in the "Roslyn" version of the semantic analyzer. I've informed the C# 5 test team, and hopefully we can get this investigated and resolved before the final release. (As always, no promises.)
A c...
Using jQuery how to get click coordinates on the target element
I have the following event handler for my html element
6 Answers
6
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How do I get time of a Python program's execution?
I have a command line program in Python that takes a while to finish. I want to know the exact time it takes to finish running.
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How to convert DateTime to VarChar
...ing from character data to datetime or smalldatetime". See the footnotes 6 and 7 at docs.microsoft.com/de-de/sql/t-sql/functions/…
– Colin
Sep 4 '17 at 11:15
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Filter element based on .data() key/value
...he record, you can filter on data with jquery (this question is quite old, and jQuery evolved since then, so it's right to write this solution as well):
$('.navlink[data-selected="true"]');
or, better (for performance):
$('.navlink').filter('[data-selected="true"]');
or, if you want to get all...
How to debug a single thread in Visual Studio?
...t projects. I want to trace the first thread hit one of these break-points and continue tracing that single thread despite of other threads entering the same code-blocks.
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Fade/dissolve when changing UIImageView's image
... animation methods.
Suppose the following code is in the view controller, and the UIImageView you want to cross-dissolve is a subview of self.view addressable via the property self.imageView Then all you need is:
UIImage * toImage = [UIImage imageNamed:@"myname.png"];
[UIView transitionWit...