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Efficient way to insert a number into a sorted array of numbers?
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Simple (Demo):
function sortedIndex(array, value) {
var low = 0,
high = array.length;
while (low < high) {
var mid = (low + high) >>> 1;
if (array[mid] < value) low = mid + 1;
else high = mid;
}
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Prevent any form of page refresh using jQuery/Javascript
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#1 can be implemented via window.onbeforeunload.
For example:
<script type="text/javascript">
window.onbeforeunload = function() {
return "Dude, are you sure you want to leave? Think of the kittens!";
}
</script>
The user will be prompted with the...
Check if user is using IE
...ersion()
{
var ua = window.navigator.userAgent;
var msie = ua.indexOf("MSIE ");
if (msie > 0) // If Internet Explorer, return version number
{
alert(parseInt(ua.substring(msie + 5, ua.indexOf(".", msie))));
}
else // If another browser, return 0
{
al...
How to make MySQL handle UTF-8 properly
...and server (default-character-set and character-set-server).
If you have existing data that you wish to convert to UTF-8, dump your database, and import it back as UTF-8 making sure:
use SET NAMES utf8 before you query/insert into the database
use DEFAULT CHARSET=utf8 when creating new tables
at ...
Usage of @see in JavaDoc?
...ty vague, for deprecated stuff I find it more useful to do something more explicit, like: @deprecated since X.Y.Z; use {@link #alternateMethod()} instead
– Christopher
Jan 10 at 0:10
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Refresh all files in buffer from disk in vim
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bufdo e curiously leaves all the buffers un-syntax-highlighted
– Steven Lu
Jul 9 '13 at 23:03
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How to get the name of enumeration value in Swift?
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As of Xcode 7 beta 5 (Swift version 2) you can now print type names and enum cases by default using print(_:), or convert to String using String's init(_:) initializer or string interpolation syntax. So for your example:
enum City...
How to make exe files from a node.js app?
...commercial. I haven't used any of them but in theory they should work:
Iexpress (native windows tool)
Quick Batch File Compiler (commercial)
BoxedApp Packer
"Advanced" Batch To EXE Converter" (freeware)
Most will require you to keep the batch file as main executable, and then bundle node.exe and...
How to dismiss a Twitter Bootstrap popover by clicking outside?
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Efficient way to return a std::vector in c++
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In C++11, this is the preferred way:
std::vector<X> f();
That is, return by value.
With C++11, std::vector has move-semantics, which means the local vector declared in your function will be moved on return and in some cases even the move can be elided by the compiler...