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How to use clock() in C++
...C, which tells you how many clock ticks occur in one second. Thus, you can test any operation like this:
clock_t startTime = clock();
doSomeOperation();
clock_t endTime = clock();
clock_t clockTicksTaken = endTime - startTime;
double timeInSeconds = clockTicksTaken / (double) CLOCKS_PER_SEC;
...
Scrolling child div scrolls the window, how do I stop that?
...ross-browser way to do this on the Y axis, it works on desktop and mobile. Tested on OSX and iOS.
var scrollArea = this.querySelector(".scroll-area");
scrollArea.addEventListener("wheel", function() {
var scrollTop = this.scrollTop;
var maxScroll = this.scrollHeight - this.offsetHeight;
...
How do I specify unique constraint for multiple columns in MySQL?
...
MySql 5 or higher behaves like this (I've just tested):
you can define unique constraints involving nullable columns. Say you define a constraint unique (A, B) where A is not nullable but B is
when evaluating such a constraint you can have (A, null) as many times you wa...
Illegal mix of collations MySQL Error
...
Seems to work for now, i'll accept after some more testing. Do the second queries need to be run once, or at the start of each script?
– Click Upvote
Jun 17 '09 at 19:06
...
What's the equivalent of Java's Thread.sleep() in JavaScript? [duplicate]
...
For my unit testing purposes its useful. Surely, not for production.
– armandomiani
Jan 28 '15 at 0:40
3
...
How to position a table at the center of div horizontally & vertically
...horizontally, you can set left and right margin to auto:
<style>
#test {
width:100%;
height:100%;
}
table {
margin: 0 auto; /* or margin: 0 auto 0 auto */
}
</style>
To center it vertically, the only way is to use javascript:
var tableMarginTop = Math.round( (test...
Enum type constraints in C# [duplicate]
..., ALL features are unimplemented until someone designs, specs, implements, tests, documents and ships the feature. So far, no one has done that for this one. There's no particularly unusual reason why not; we have lots of other things to do, limited budgets, and this one has never made it past the "...
Get a list of all threads currently running in Java
...onditions do not matter much in monitoring. However, as some quick'n'dirty test showed, it's about 70-80 times faster than the stacktrace-based solution. For monitoring, a small performance imprint is essential, as you you'll want to keep the effects on the monitored system as small as possible (Hei...
How to set the Default Page in ASP.NET?
... @vivekmaharajh it wasn't the default because this is meant for testing/debugging - this technique doesn't configure your web server only your development environment.
– Adam Tuliper - MSFT
Jan 4 '16 at 8:47
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HTML text-overflow ellipsis detection
....
The idea is that you clone the element, remove any bounding width, and test if the cloned element is wider than the original. If so, you know it's going to have been truncated.
For example, using jQuery:
var $element = $('#element-to-test');
var $c = $element
.clone()
.cs...