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Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
When I compile C/C++ program with popen in php ... I got this error:
9 Answers
9
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What is the difference between public, protected, package-private and private in Java?
...I control. (While not Java syntax, it is important for this discussion).
C++ defines an additional level called "friend" and the less you know about that the better.
When should you use what? The whole idea is encapsulation to hide information. As much as possible you want to hide the detail of...
Is floating-point math consistent in C#? Can it be?
...g floating point operations. Most information is probably specific to C or C++, however.
http://www.math.utah.edu/~beebe/software/ieee/
A note on fixed point
Binary fixed point numbers can also work well as a substitute for floating point, as is evident from the four basic arithmetic operations:
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“:” (colon) in C struct - what does it mean? [duplicate]
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I still don't get it. Does that mean C++ automatically merges your "variables" into size of an int, so that all bits are used? Can you cast bit field structiores to numbers to obtain the typical "int with flags".
– Tomáš Zato - Reinstate ...
python design patterns [closed]
...hon for implementing design patterns. It is a very different language than C++ which is used in GOF thus porting from C++ to python will result in non-pythonic code.
– sakisk
Jul 31 '11 at 20:29
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Reading and writing binary file
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If you want to do this the C++ way, do it like this:
#include <fstream>
#include <iterator>
#include <algorithm>
int main()
{
std::ifstream input( "C:\\Final.gif", std::ios::binary );
std::ofstream output( "C:\\myfile.gif", ...
What is the strict aliasing rule?
...ably has instructions to load buff's contents. Then again, maybe you're in C++ and this is some templated header only implementation that the compiler thinks it can inline. Or maybe it's just something you wrote in your .c file for your own convenience. Anyway undefined behavior might still ensue. E...
Why is f(i = -1, i = -1) undefined behavior?
...ans a type like a int, float, or a pointer (see What is a scalar Object in C++?).
Second, it may seem more obvious that
f(++i, ++i);
would have undefined behavior. But
f(i = -1, i = -1);
is less obvious.
A slightly different example:
int i;
f(i = 1, i = -1);
std::cout << i <<...
When to use std::begin and std::end instead of container specific versions [duplicate]
...ld probably use c.begin() due to inertia. I would expect new text books on C++ to recommend the free function version (as it is never worse and sometimes better), but that has to catch up with common usage.
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Linux C/C++程序常用的调试手段及异常排查总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
Linux C/C++程序常用的调试手段及异常排查总结linux_cpp_debug_summary痛并快乐着今天讲讲C C++程序的常用调试手段，介绍调试手段之前，我会首先对开发过程中可能遇到的问题进行一个总结，大概可以把问题分为以下几类：必现的程序...