大约有 23,000 项符合查询结果（耗时：0.0259秒） [XML]
Why isn't sizeof for a struct equal to the sum of sizeof of each member?
...tee in C++. Compilers may (and certainly do) add virtual table pointer and base structures' members to the structure. Even the existence of virtual table is not ensured by the standard (virtual mechanism implementation is not specified) and therefore one can conclude that such guarantee is just impo...
C99 stdint.h header and MS Visual Studio
...
typedef __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
#include <stdint.h>
#endif
share
|
improve this answer
...
How to format a number as percentage in R?
... supplied in the question. But my real question is whether this exists in base R or not.
– Andrie
Aug 22 '11 at 10:44
...
Which is faster: while(1) or while(2)?
...than while(2), for a human to read! If I see while(1) in an unfamiliar codebase, I immediately know what the author intended, and my eyeballs can continue to the next line.
If I see while(2), I'll probably halt in my tracks and try to figure out why the author didn't write while(1). Did the author'...
jsoncpp 不能处理__int64(long long)类型数据 - C/C++ - 清泛网 - 专注C/C++及内核技术
jsoncpp 不能处理__int64(long long)类型数据jsoncpp，是一个c++的解析和生成json的开源工具。如果你的c++程序需要解析或生成json，它会使这个过程变得很简单！但是，今天在用jsoncpp进...jsoncpp，是一个c++的解析和生成json的开源工具。如...
libunwind链接时报错：undefined reference to `_Ux86_64_init_local\' - ...
libunwind链接时报错：undefined reference to `_Ux86_64_init_local'编译安装libunwind后，代码编译链接时报错：undefined reference to `_Ux86_64_init_local& 39;，链接选项加了 -lunwind，仍然报错。原因：编译出来的libunwind拆分成了很多个 编译安装libunwi...
Realistic usage of the C99 'restrict' keyword?
... "memset(p1,4,50); memset(p2,9,50);". Restrict is vastly superior to type-based aliasing; it's a shame compilers focus more on the latter.
– supercat
Mar 9 '16 at 0:14
3
...
Android emulator shows nothing except black screen and adb devices shows “device offline”
...M driver does not support emulating a 64 bit system image on Intel systems based on Core microarchitecture (Core, Core2 Duo etc.). All systems based on Nehalem and beyond are supported. (Corei3, Core i5 and Core i7 machines).
I spent a day trying to figure this problem out when I came upon this qu...
Unable to load config info from /usr/local/ssl/openssl.cnf on Windows
...
Or C:\OpenSSL-Win64\bin\openssl.cfg in 64bits systems
– borjab
Nov 13 '14 at 9:59
13
...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
... don't forget PERLOPT, where you can set -I. Also, things such as base.pm and local::lib use the things you've listed implicitly.
– brian d foy
Mar 26 '10 at 21:30
1
...