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How do I do multiple CASE WHEN conditions using SQL Server 2008?
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How to install latest (untagged) state of a repo using bower?
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220
Specify a git commit SHA instead of a version:
bower install '<git-url>#<git-commit-sh...
How to throw a C++ exception
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#include <stdexcept>
int compare( int a, int b ) {
if ( a < 0 || b < 0 ) {
throw std::invalid_argument( "received negative value" );
}
}
The Standard Library comes with a nice collection of built-in exception objects you can throw. Keep in mind that you should always...
How does one make a Zip bomb?
...ompressed data, containing nine
layers of nested zip files in sets of
10, each bottom layer archive
containing a 1.30 gigabyte file for a
total of 1.30 exabytes of uncompressed
data.
So all you need is one single 1.3GB file full of zeroes, compress that into a ZIP file, make 10 copies, p...
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...级：
limit_conn_zone $server_name zone=perserver:1m;
error_page 500 502 503 504 = @failover;
fastcgi_cache_path
/tmp
levels=1:2
keys_zone=failover:100m
inactive=10d
max_size=10g;
upstream php {
server 127.0.0.1:9000;
server 127.0.0.1:9001;
}
serve...
Is there a way for multiple processes to share a listening socket?
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Linux: is there a read or recv from socket with timeout?
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// LINUX
struct timeval tv;
tv.tv_sec = timeout_in_seconds;
tv.tv_usec = 0;
setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (const char*)&tv, sizeof tv);
// WINDOWS
DWORD timeout = timeout_in_seconds * 1000;
setsockopt(socket, SOL_SOCKET, SO_RCVTIMEO, (const char*)&timeout, sizeof timeout);
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Remove duplicate entries using a Bash script [duplicate]
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You can sort then uniq:
$ sort -u input.txt
Or use awk:
$ awk '!a[$0]++' input.txt
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c++提取复数的实部和虚部 - C/C++ - 清泛网 - 专注C/C++及内核技术
...arse(COMPLEX * cp, const char * strCplx, const int len)
{
memset(cp, 0, sizeof(COMPLEX));
char buf[MAX_BUF_LEN];
int signPos = -1, // +/-号位置
iPos = -1; // 结尾的i的位置
for (int i = len-1; i >-1; i--)
{
if ('i' == strCplx[i])
...