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How to convert a string to integer in C?
...ange them to l >= INT_MAX and l <= INT_MIN to clear the warnings? On ARM C, long and int are 32-bit signed Basic data types in ARM C and C++
– ecle
Jan 26 '17 at 2:23
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How to prevent gcc optimizing some statements in C?
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Dietrich Epp's solution is not working under ARM4.1 compiler. Even ZelluX's solution is not working. Alternative method to make this work for ARM4.1 is in ZelluX's solution, make 'temp' a global volatile variable.
– Preetham Nanjappa
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6个变态的C语言Hello World程序 - 创意 - 清泛网 - 专注C/C++及内核技术
6个变态的C语言Hello World程序下面的六个程序片段主要完成这些事情：输出Hello, World混乱C语言的源代码下面的所有程序都可以在GCC下编译通过，只有最后一个需要动用C++...下面的六个程序片段主要完成这些事情：
1、输出Hello, W...
C++类的前置申明 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++类的前置申明class A; （而非 include "A.h"，可能暂时都没有类A的定义）使用前置申明后，只能使用A的指针（32位编译器占4字节，64位编译器占8字节...class A; （而非 include "A.h"，可能暂时都没有类A的定义）
使用前置申明后，...
AppInventor2 二进制文件的读写 - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术
AppInventor2 二进制文件的读写蓝牙客户端或 ble 都可以接收二进制数组，返回的数据是列表：如果想要保存二进制到文件，可以考虑转换成 ascii 或 base64 化，然后通过文件管理器保存为文件，具体请帮助，...蓝牙客户端或 ble 都可...
一文了解大数据领域创业的机会与方向 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...方向
第一个是Hadoop 商业化，简单来说就是做Hadoop的收费版本。Hadoop本来是开源的，但是在具体业务场景中，还缺乏很多功能，那么Hadoop 商业化就是去完善这些功能，使其更好的应用于企业的业务场景。Hadoop 商业化最典型的公...
facebook: permanent Page Access Token?
...he Access Token Debugger tool, after having debugged a short access token. Armed with information about pageid and longlivedtoken, run the php below to get permanent access token.
<?php
$args=[
/*-- Permanent access token generator for Facebook Graph API version 2.9 --*/
//Instructions: Fill Inp...
What Every Programmer Should Know About Memory?
... all the arch-independent stuff still applies generally, e.g. to AArch64 / ARM32.
See also the Latency Bound Platforms section of this answer for important details about the effect of memory/L3 latency on single-threaded bandwidth: bandwidth <= max_concurrency / latency, and this is actually the...
Virtual functions and performance - C++
...g: phresnel.org/blog , the posts titled "Virtual functions considered not harmful", but of course it depends on the complexity of your codepaths
– Sebastian Mach
Apr 6 '09 at 14:41
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