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How to remove unused C/C++ symbols with GCC and ld?
...ou could omit the unused one with the following command to gcc(g++):
gcc -Os -fdata-sections -ffunction-sections test.cpp -o test -Wl,--gc-sections
(Note that -Os is an additional compiler flag that tells GCC to optimize for size)
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Why does Android use Java? [closed]
...o Java was known in the industry
the speed difference is not an issue for most applications; if it was you should code in low-level language
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Running bash script from within python
...ep.sh" to "./sleep.sh".)
The shell=True parameter is not needed (under a Posix system like Linux) if the first line of the bash script is a path to a shell; for example, #!/bin/bash.
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How to repeat a string a variable number of times in C++?
...
std::string(5, '.')
This is a contrived example of how you might use an ostringstream to repeat a string n times:
#include <sstream>
std::string repeat(int n) {
std::ostringstream os;
for(int i = 0; i < n; i++)
os << "repeat";
return os.str();
}
Depending on...
When you exit a C application, is the malloc-ed memory automatically freed?
...of that experience, I can say that it does NOT free memory when programs close.
– San Jacinto
Feb 6 '10 at 15:44
8
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Force line-buffering of stdout when piping to tee
...ompile expect myself as unbuffer doesn't seem to be included by default in OS X.
– houbysoft
Jul 5 '12 at 3:11
@houbys...
App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...器等各种硬件传感器，利用这些传感器，我们就可以自制一个适合自身实际情况的独一无二的计步器，并能够在此基础上进行功能扩充，变成一个健身宝，记录自己的运动情况及BMI等健康指数。
本课将根据这一想法，与大...
How do I determine which iOS SDK I have?
I'm sure this is simple, but how do I determine which version of the iOS SDK I currently have installed?
5 Answers
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不到20个积木块，我用App Inventor 2给女儿做了个接星星小游戏 - App应用开...
周末带女儿去科技馆，她玩了一个"接星星"的互动投影游戏，回来就缠着我："爸爸，做一个能装在手机上的接星星App吧！"刚好最近在研究App Inventor 2的精灵动画组件，于是决定用一上午把这个小游戏做出来——没...
手把手教你如何加入主流DSP广告联盟 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...成。
百度的普通账户登录不了联盟，因此需要新注册一个联盟账号，按照提示填写网站信息、验证网站。
然后填写用户注册相关的信息，最后填写财务信息（银行卡信息），这个要认真填写了，用于收益提取。
完成注...