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HTTP GET request in JavaScript?
...ndle the response inside an event handler.
function httpGetAsync(theUrl, callback)
{
var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function() {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200)
callback(xmlHttp.responseText);
}
xml...
Why is my process's Exited method not being called?
...
One small tip (esp for non C# experts): don't Close() the process! I've encountered intermittent issue with the Exit handler due to a misguided effort at resource management. The code in question called Process.Close() after Process.Start(s...
jQuery pitfalls to avoid [closed]
...ed");
});
I found this the enlightening moment when I realized how the call stacks work.
Edit: incorporated suggestions in comments.
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When do I use fabs and when is it sufficient to use std::abs?
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In C++, it's always sufficient to use std::abs; it's overloaded for all the numerical types.
In C, abs only works on integers, and you need fabs for floating point values. These are available in C++ (along with all of the C library), but there's no need to use them.
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ASP.NET MVC - Set custom IIdentity or IPrincipal
...ver is easier / more suitable. I want to extend the default so that I can call something like User.Identity.Id and User.Identity.Role . Nothing fancy, just some extra properties.
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JavaScript data grid for millions of rows [closed]
...ollbar itself - the scrollable area's height is set to the total height of all the rows. The rows are still being added and removed as the user is scrolling, but the scrolling itself is done by the browser. That allows it to be very fast yet smooth (onscroll events are notoriously slow). The cave...
Is it not possible to stringify an Error using JSON.stringify?
...ying Error.prototype, while toJSON() may not be defined for Errors specifically, the method is still standardized for objects in general (ref: step 3). So, the risk of collisions or conflicts is minimal.
Though, to still avoid it completely, JSON.stringify()'s replacer parameter can be used instead...
How do I find out what version of WordPress is running?
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Excellent tip that allows for quickly checking without looking up credentials for any one of 100 client accounts and log in to the FTP! An even quicker way is to "Click the W logo" as per the below answer - again, if you have credentials at the...
How can I see which Git branches are tracking which remote / upstream branch?
I know I can do git branch --all , and that shows me both local and remote branches, but it's not that useful in showing me the relationships between them.
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What are some common uses for Python decorators? [closed]
...PU time. You might want to use time.time() instead if you want to measure wall-clock time.
– Jabba
Feb 4 '13 at 17:45
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