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Is JavaScript guaranteed to be single-threaded?
...e question of whether browsers really implement their JS engines using one OS-thread, or whether other limited threads-of-execution are introduced by WebWorkers.)
However, in reality this isn't quite true, in sneaky nasty ways.
The most common case is immediate events. Browsers will fire these rig...
Detecting iOS / Android Operating system
...* Determine the mobile operating system.
* This function returns one of 'iOS', 'Android', 'Windows Phone', or 'unknown'.
*
* @returns {String}
*/
function getMobileOperatingSystem() {
var userAgent = navigator.userAgent || navigator.vendor || window.opera;
// Windows Phone must come fir...
关于App Inventor 2颜色积木，社区里追问最多的8个问题 - App应用开发 - 清...
...不到的"坑"。欢迎在 App Inventor 2 中文网社区（fun123.cn）发帖晒图，说不定下期FAQ里就有你的精彩案例。
更多颜色积木的技术细节，可查阅官方文档：App Inventor 2 颜色积木参考
What is bootstrapping?
...elopment. It seems both widespread and important, but I've yet to come across even a poor explanation of what bootstrapping actually is; rather, it seems as though everyone is just supposed to know what it means. I don't, though. Near as I can figure, it has something to do with initialization ta...
How to load external webpage inside WebView
...
Thanks to this post, I finally found the solution. Here is the code:
import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebResourceError;
import android.webkit.WebResourceRequest;
import android.webkit.WebView;
imp...
Is there a way to cache GitHub credentials for pushing commits?
I recently switched to synchronizing my repositories to https:// on GitHub (due to firewall issues), and it asks for a password every time.
...
What is the correct file extension for GLSL shaders? [closed]
I'm learning glsl shading and I've come across different file formats. I've seen people giving their vertex and fragment shaders .vert and .frag extensions. But I've also seen .vsh and .fsh extensions, and even both shaders together in a single .glsl file. So I'm wondering if there is a st...
Python Requests throwing SSLError
...t know what Python requests is wanting? Where is this SSL certificate supposed to reside?
23 Answers
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Create a GUID in Java
...
@angel Yes, it is theoretically possible for the UUID.randomUUID method to return a duplicate, but this is not at all a realistic concern. The Oracle/OpenJDK implementation uses a cryptographically-strong random number generator. Given that, and given the as...
Disable browsers vertical and horizontal scrollbars
...
123
function reloadScrollBars() {
document.documentElement.style.overflow = 'auto'; // firefo...