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了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
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缺乏定义良好的、用于处理文件系统操作的库，这一直是 C++ 语言存在的一个问题。过去，程序员必须使用本机 API 来解决此问题。通过本文您将了解一个提供安全、可移植且易用的 C++ 接口来促进文件系统操作的库：Boost Filesys...
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
...E 8, AFAIK.
– Puce
Mar 25 '14 at 12:32
1
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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...望去学习新知识的那种动力，可能在大多数的人眼里，php是专为web而生，做wep app是一流的快速好用，并极易简单和容易上手，做起web所需的各项功能可能是分分钟搞定，然后做socket了？可能就觉得不屑一顾了，好像是不务正业...
The name does not exist in the namespace error in XAML
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slavoo
4,6641212 gold badges3232 silver badges3737 bronze badges
answered Apr 1 '13 at 11:35
Vasanth SriramVasanth Sriram
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How does one make random number between range for arc4random_uniform()?
... has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too much. I tried to do this:
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Structure padding and packing
...boundaries - say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first structure:
struct mystruct_A {
char a;
char gap_0[3]; /* inserted by compiler: for alignment of b */
int b;
char c;
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How to manually expand a special variable (ex: ~ tilde) in bash
... compile your own realpath command in C. For instance, you can generate an executable realpath.exe using bash and gcc from this command line: gcc -o realpath.exe -x c - <<< $'#include <stdlib.h> \n int main(int c,char**v){char p[9999]; realpath(v[1],p); puts(p);}'. Cheers
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[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...还提供了tuple接口，可以当做tuple来使用；更重要的一点是，array有并不比原生数组差的性能表现。
array的概念
array是STL中的一个序列式容器，它包装了一个c风格的数组，但在外部接口来看，提供了STL容器的常用接口。它的长度...
nginx: [emerg] could not build the server_names_hash, you should increase server_names_hash_bucket_s
...64 even though my particular Nginx error message was instructing me to use 32.
– Ryan
Jun 14 '16 at 14:25
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_csv.Error: field larger than field limit (131072)
...a 64bit OS (Python build), the long type size (in bits) is:
Nix: 64
Win: 32
When attempting to set it, the new value is checked to be in the long boundaries, that's why in some cases another exception pops up (this case is common on Win):
>>> import sys
>>>
>>> sys.p...