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How to write a large buffer into a binary file in C++, fast?
... fwrite(a, 1, size*sizeof(unsigned long long), pFile);
}
fclose(pFile);
return 0;
}
I just timed 8GB in 36sec, which is about 220MB/s and I think that maxes out my SSD. Also worth to note, the code in the question used one core 100%, whereas this code only uses 2-5%.
Thanks a l...
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...
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...
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...
动态组件使用指导 · App Inventor 2 中文网
...法与事件速查
常见问题与验收
完整 .aia 源码与操作指导
巡检表单与设备资料卡
先运行这个实际案例
不可见组件：在程序运行时创建组件——按钮、标签、布局……任何组件都可...
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...
App Inventor 2 AI 助手调研教程 · App Inventor 2 中文网
...
【TinyWebDB】App Inventor 2 TinyWebDB服务端搭建教程
【字典操作】App Inventor 2 字典（Dictionary）操作教程
【XML解析】App Inventor 2 XML数据解析教程
【登录注册】App Inventor 2 用户登录注册功能实现
【列表进阶】App Inventor 2 列表高...
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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