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passing several arguments to FUN of lapply (and others *apply)
I have a question regarding passing multiple arguments to a function, when using lapply in R .
4 Answers
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Reading binary file and looping over each byte
... example uses a chunksize of 8192 Bytes. The parameter for the file.read()-function simply specifies the size, i.e. the number of Bytes to be read. codeape chose 8192 Byte = 8 kB (actually it's KiB but that's not as commonly known). The value is "totally" random but 8 kB seems to be an appropriate v...
AsyncProcedures异步过程扩展 · App Inventor 2 中文网
...和安装
AsyncProcedures扩展: co.sgext_.asyncprocedure.aix
开发动机
Async Proc是一个扩展，您可以使用它来异步运行过程。您不再需要等待循环完成，也不必担心由于Android系统认为您的应用程序无响应而导致...
C++ performance challenge: integer to std::string conversion
...
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...
GestureDetect 扩展：手势检测扩展，识别滑动、点击和长按手势 · App Inventor 2 中文网
... 下载链接
扩展文件：
aryan.gupta.GesturesDetector.aix
demo:
DetectGesture.aia
功能概述
扩展特性
多种手势识别：支持上滑、下滑、左滑、右滑、双击、单击和长按
简单易用：只需将布...
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"
...
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...
I don't remember my android debug.keystore password
...e password: "android"
Key alias: "androiddebugkey"
Key password: "android"
CN: "CN=Android Debug,O=Android,C=US"
where is this file located?
For Windows User: C:\Users\username.android\debug.keystore
For Mac OS User: ~/.android/debug.keystore
After you will get SHAH1 by below command using C...
Get yesterday's date in bash on Linux, DST-safe
...
Here a solution that will work with Solaris and AIX as well.
Manipulating the Timezone is possible for changing the clock some hours.
Due to the daylight saving time, 24 hours ago can be today or the day before yesterday.
You are sure that yesterday is 20 or 30 hours ago...