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How to connect to SQL Server database from JavaScript in the browser?
...ess databases for several reasons (bad practice, security issues, etc) but if you really want to do this, here is an example:
var connection = new ActiveXObject("ADODB.Connection") ;
var connectionstring="Data Source=<server>;Initial Catalog=<catalog>;User ID=<user>;Password=<...
Getting Spring Application Context
...
If the object that needs access to the container is a bean in the container, just implement the BeanFactoryAware or ApplicationContextAware interfaces.
If an object outside the container needs access to the container, I've u...
Google Maps V3 - How to calculate the zoom level for a given bounds
...are map.
There's no easy answer for how to fit exact bounds, because even if you are willing to change the size of the map div, you have to choose which size and corresponding zoom level you change to (roughly speaking, do you make it larger or smaller than it currently is?).
If you really need to...
How to recursively find and list the latest modified files in a directory with subdirectories and ti
...vel directory is listed next to the date and time of the latest created/modified file within it.
18 Answers
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Compiling with g++ using multiple cores
... the -j flag (this will also help on a uniprocessor machine).
For example if you want 4 parallel jobs from make:
make -j 4
You can also run gcc in a pipe with
gcc -pipe
This will pipeline the compile stages, which will also help keep the cores busy.
If you have additional machines available...
SQL DROP TABLE foreign key constraint
If I want to delete all the tables in my database like this, will it take care of the foreign key constraint? If not, how do I take care of that first?
...
Swapping two variable value without using third variable
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Using the xor swap algorithm
void xorSwap (int* x, int* y) {
if (x != y) { //ensure that memory locations are different
*x ^= *y;
*y ^= *x;
*x ^= *y;
}
}
Why the test?
The test is to ensure that x and y have different memory locations (rather than differe...
How to trigger an event after using event.preventDefault()
...of_stuff_already_done = false;
$('.button').on('click', function(e) {
if (lots_of_stuff_already_done) {
lots_of_stuff_already_done = false; // reset flag
return; // let the event bubble away
}
e.preventDefault();
// do lots of stuff
lots_of_stuff_already_done ...
System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
I've a timer object. I want it to be run every minute. Specifically, it should run a OnCallBack method and gets inactive while a OnCallBack method is running. Once a OnCallBack method finishes, it (a OnCallBack ) restarts a timer.
...
Get the real width and height of an image with JavaScript? (in Safari/Chrome)
...ry clever. Unfortunately the solution as he has written it will only work if the image is cached or if the page has already finished downloading. If the image is not cached or if this code is called before window.onload, a height/width of 0 might be returned. In any case, I've integrated FDisk's ...