大约有 9,000 项符合查询结果(耗时:0.0220秒) [XML]
Is there a replacement for unistd.h for Windows (Visual C)?
...t your app and consider whether to call e.g. closesocket(). */
#ifdef _WIN64
#define ssize_t __int64
#else
#define ssize_t long
#endif
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
/* should be in some equivalent to <sys/types.h> */
typedef __int8 int8_t;
...
How to check for DLL dependency?
...am Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.14.26428\bin\Hostx64\x64>dumpbin
– rkachach
Sep 27 '18 at 9:48
2
...
重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...
...改变软件可观察行为的前提下,提高其可理解性,降低其修改成本。
说的直白一点,就是这活儿不是产品经理那边来的,不是为了新需求做的,而是有追求的程序员为了代码的可维护和可扩展性自发的升级优化行为。所以呢...
How to encrypt/decrypt data in php?
...u can also convert the binary data into a textual representation using base64_encode() or bin2hex(), doing so requires between 33% to 100% more storage space.
Decryption
Decryption of the stored values is similar:
function pkcs7_unpad($data)
{
return substr($data, 0, -ord($data[strlen($data) ...
Why do people say there is modulo bias when using a random number generator?
... klutt
19.6k1414 gold badges3737 silver badges6464 bronze badges
answered Jun 12 '12 at 0:10
Nick DandoulakisNick Dandoulakis
...
How to check if any flags of a flag combination are set?
... {
CheckIsEnum<T>(true);
long lValue = Convert.ToInt64(value);
long lFlag = Convert.ToInt64(flag);
return (lValue & lFlag) != 0;
}
public static IEnumerable<T> GetFlags<T>(this T value) where T : struct
{
CheckIsEnum<T>...
How many socket connections can a web server handle?
...al or dedicated hosting, I read somewhere a server/machine can only handle 64,000 TCP connections at one time, is this true? How many could any type of hosting handle regardless of bandwidth? I'm assuming HTTP works over TCP.
...
Programmatically get the cache line size?
...
@android : I use fedora-18 x64 machine with core-i5 processor. cat /sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size returns 64 in my system. Same for index1,2,3 folders also.
– Abid Rahman K
Aug 8 '13 ...
Can I split an already split hunk with git?
I've recently discovered git's patch option to the add command, and I must say it really is a fantastic feature.
I also discovered that a large hunk could be split into smaller hunks by hitting the s key, which adds to the precision of the commit.
But what if I want even more precision, if the...
How to escape a JSON string to have it in a URL?
...ndy in certain situations.
Rather than URL-encoding the data, you can base64-encode it. The benefit of this is the encoded data is very generic, consisting only of alpha characters and sometimes trailing ='s. Example:
JSON array-of-strings:
["option", "Fred's dog", "Bill & Trudy", "param=3"]...
