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C++ performance challenge: integer to std::string conversion
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Ah, awesome challenge by the way... I've had a lot of fun with this.
I have two algorithms to submit (code is at the bottom if you feel like skipping to it). In my comparisons I require that the function return a string and that it can handle int and unsigned int. Comparing thi...
How to compile a static library in Linux?
...e lib
#include <stdio.h>
#include "lib.h"
int main ( void )
{
fun1(10);
fun2(10);
return 0;
}
lib.h the libs main header
#ifndef LIB_H_INCLUDED
#define LIB_H_INCLUDED
#include "lib1.h"
#include "lib2.h"
#endif
lib1.c first lib source
#include "lib1.h"
#include <stdio...
Is there a way to pass optional parameters to a function?
Is there a way in Python to pass optional parameters to a function while calling it and in the function definition have some code based on "only if the optional parameter is passed"
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上线当天App就崩了，才发问题是手机网络超时没处理——用App Inventor 2的W...
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参考文档：App Inventor 2 Web客户端完整文档 → https://www.fun123.cn/reference/components/connectivity.html
JSON解析案例：JSON转字典教程 → https://www.fun123.cn/reference/blocks/dictionaries.html
文件上传方案：App Inventor 2 文件上传到服务器全方...
How can I use speech recognition without the annoying dialog in android phones
... object : ConversionCallback {
override fun onSuccess(result: String) {
sttOutput.text = result
}
override fun onCompletion() {
}
...
App Inventor 2 能否实现后台推送通知？源码级深度调研 - App应用开发 - 清...
...是推送。需要 App 保持运行。
2.3 NotificationStyle 扩展（fun123 自研）
源码位置：components/src/cn/fun123/NotificationStyle/NotificationStyle.java
核心能力：创建 NotificationChannel、构建 Notification 并通过 NotificationManager 显示、支持多种样式...
How do I return multiple values from a function in C?
If I have a function that produces a result int and a result string , how do I return them both from a function?
8 Answe...
App Inventor 2 源码商店
...还很足，不用担心超额问题。/文档地址：a href="https://www.fun123.cn/refer ... 作者： ...
为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
...供已下载好的工程源码，关注页面底部公众号（或搜索“fun123cn”关注），回复“源码”即可免费下载。
代码编写
采用自己较为熟悉的java开发环境就行，这里推荐使用VSCode，拓展目录在 appinventor-sources/appinvent...
Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
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Before and BeforeClass in JUnit
The function @Before annotation will be executed before each of test function in the class having @Test annotation but the function with @BeforeClass will be execute only one time before all the test functions in the class.
Simi...