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How to improve performance of ngRepeat over a huge dataset (angular.js)?
... at 4 parts:
Optimization#1: Cache DOM elements
Optimization#2: Aggregate watchers
Optimization#3: Defer element creation
Optimization#4: Bypass watchers for hidden elements
the project is here on github:
https://github.com/scalyr/angular
Usage:
1- include these files in your single-page app:
c...
What does set -e mean in a bash script?
...not always the case.)
In many situations, this is something to separately watch out for when coding defensively. Sometimes you have to e.g. go through a temporary file so you can see whether the command which produced that output finished successfully, even when idiom and convenience would otherwis...
#ifdef replacement in the Swift language
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Watch out: Environment Variables are set for all build configurations, they can't be set for individual ones. So this is not a viable solution if you need the behaviour to change depending on whether it's a release or a debug...
PHP - Debugging Curl
... The output is very informative.
You can also use tcpdump or wireshark to watch the network traffic.
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No output to console from a WPF application?
...open the file in notepad++ and select 'View -> Monitoring (tail -f)' to watch it update in real time
– mcalex
Sep 15 at 7:05
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How do I get the last character of a string?
....length -1] = first;
return new String(cs);
}
Using a character array (watch out for the nasty empty String or null String argument!)
Another solution uses StringBuilder (which is usually used to do String manupilation since String itself is immutable.
public String frontBack(String str) {
i...
Detect changes in the DOM
... This helped me a lot, but how do I "unbind" this? Say I want to watch for a change only once, but do this on multiple occasions? oberserveDOM = null obviously won't work...
– stiller_leser
Nov 26 '14 at 11:25
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Fling gesture detection on grid layout
...ectFilterActivity.this);
imageView.setOnTouchListener(gestureListener);
Watch in awe as your overridden methods are hit, both the onClick(View v) of the activity and the onFling of the gesture listener.
public void onClick(View v) {
Filter f = (Filter) v.getTag();
FilterFullscreenActivity.sh...
Exact time measurement for performance testing [duplicate]
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A better way is to use the Stopwatch class:
using System.Diagnostics;
// ...
Stopwatch sw = new Stopwatch();
sw.Start();
// ...
sw.Stop();
Console.WriteLine("Elapsed={0}",sw.Elapsed);
...
How to prevent ajax requests to follow redirects using jQuery
...ogin screen).
In case you're interested, here's the jQuery code I have to watch for that custom header:
/* redirects main window when AJAX request indicates that the session has expired on the backend. */
function checkSession(event, xhr, ajaxOptions)
{
if (xhr.readyState == 4)
{
i...