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What do Clustered and Non clustered index actually mean?
...Ordoñez: Sure, you can use almost any that's stored in-row, so no XML, VARCHAR(MAX), or VARBINARY(MAX). Note that it usually makes sense to cluster on the date field first, as a clustered index is most efficient for range scans, which are most common on date types. YMMV.
– u...
Trusting all certificates using HttpClient over HTTPS
...ersion(params, HttpVersion.HTTP_1_1);
HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);
SchemeRegistry registry = new SchemeRegistry();
registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
registry.register(new Scheme("https", sf,...
What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
...rator<<(std::endl);. and since there is a free function which takes char const* as second argument, "\n" works; '\n' would work as well.
– Nawaz
Jun 6 '16 at 5:42
...
Printing 1 to 1000 without loop or conditionals
...it };
printf("%d\n", j);
ft[j/1000](j + 1);
}
int main(int argc, char *argv[])
{
f(1);
}
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edited Apr 30 '11 at 11:53
...
How to pass objects to functions in C++?
...ndl;
}
int main()
{
Sample s1= 10;
SomeFunc(s1);
s1.PrintVal();
char ch;
cin >> ch;
}
Output:
Say i am in someFunc
The value of the pointer is -17891602
The value of the variable is 4
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...
TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...己的特点来关闭）
setsockopt(sock_fd, IPPROTO_TCP, TCP_NODELAY, (char *)&value,sizeof(int));
另外，网上有些文章说TCP_CORK的socket option是也关闭Nagle算法，这个还不够准确。TCP_CORK是禁止小包发送，而Nagle算法没有禁止小包发送，只是禁止了大...
App Inventor 2 蓝牙遥控教程 - 经典蓝牙与BLE控制智能硬件 · App Inventor 2 中文网
...度
简单（配对后即用）
较复杂（需了解 Service/Characteristic）
适用场景
遥控小车、简单数据传输
传感器采集、穿戴设备、智能家居
Android 兼容性
广泛支持
Android 4.3+
选...
How do you detect where two line segments intersect? [closed]
... intersect the intersection point may be stored in the floats i_x and i_y.
char get_line_intersection(float p0_x, float p0_y, float p1_x, float p1_y,
float p2_x, float p2_y, float p3_x, float p3_y, float *i_x, float *i_y)
{
float s1_x, s1_y, s2_x, s2_y;
s1_x = p1_x - p0_x; s1_y = p1...
What is in your .vimrc? [closed]
...ho doesn't like autoindent?
set autoindent
" Spaces are better than a tab character
set expandtab
set smarttab
" Who wants an 8 character tab? Not me!
set shiftwidth=3
set softtabstop=3
" Use english for spellchecking, but don't spellcheck by default
if version >= 700
set spl=en spell
s...
Using std Namespace
...
@xtofl: No, it doesn't. Five characters are not that relevant when typing, but these five chars might be very relevant when reading. And ease of reading counts much more than ease of typing for source code, as code is much more read than written.
...