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When should one use a spinlock instead of mutex?
...e it a try and compare the results (e.g. using a profiler), but be sure to test both cases, a single-core and a multi-core system before you jump to conclusions (and possibly different operating systems, if your code will be cross-platform).
Update: A Warning for iOS
Actually not iOS specific but ...
Create whole path automatically when writing to a new file
...ll assume everything specified is a directory and creates it as such (just tested it). By using getParentFile(), you leave the creation of the file itself to the FileWriter.
– h4nek
Dec 7 '19 at 10:36
...
Named Branches vs Multiple Repositories
...nch per release.
Then, have one clone per release branch for building and testing.
One key note is that even if you use multiple repositories, you should avoid using transplant to move changesets between them because 1) it changes hash, and 2) it may introduce bugs that are very difficult to detec...
START_STICKY and START_NOT_STICKY
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Hi how I can test START_REDELIVER_INTENT. I just tested START_STICKY and kill the app by recent apps. Then it recall service. But START_REDELIVER_INTENT never called again. Why?
– Asif Mushtaq
Nov 4 ...
How to insert element as a first child?
...
Use: $("<p>Test</p>").prependTo(".inner");
Check out the .prepend documentation on jquery.com
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Background image jumps when address bar hides iOS/Android/Mobile Chrome
... through the strange functionality and havoc they bring to websites. The latest change, is you can no longer "hide" the URL bar on page load on iOS or Chrome using scroll tricks.
EDIT: While the above script works perfectly for keeping the background from resizing, it causes a noticeable gap when u...
Checking if an Android application is running in the background
...yPaused(Activity activity) {
++paused;
android.util.Log.w("test", "application is in foreground: " + (resumed > paused));
}
@Override
public void onActivitySaveInstanceState(Activity activity, Bundle outState) {
}
@Override
public void onActivityStarted(A...
Convert generic List/Enumerable to DataTable?
...perDescriptor for the object-type T).
Edit re performance query; here's a test rig with results:
Vanilla 27179
Hyper 6997
I suspect that the bottleneck has shifted from member-access to DataTable performance... I doubt you'll improve much on that...
Code:
using System;
using System.Collections.G...
When to use StringBuilder in Java [duplicate]
...ts anymore, but actually fairly complicated constructs. I just did several test cases on real-life code, and I actually don't find any situation where it doesn't use StringBuilders internally. Quite nice.
– haylem
Mar 17 '11 at 12:05
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What is the motivation for bringing Symbols to ES6?
...o account and this way two symbols may be non-unique.
var a1 = Symbol.for("test");
var a2 = Symbol.for("test");
console.log(a1 == a2); //true!
Let's call those symbols "second-type" symbols. They do not intersect with the "first-type" symbols (i.e. the ones defined with Symbol(data)) in any way.
Th...