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How to write a scalable Tcp/Ip based server
... to doubt these indicative figures.
IOCP versus thread-per-connection or 'select' primitives
The reason you want to use a mechanism that uses IOCP under the hood is that it uses a very low-level Windows thread pool that does not wake up any threads until there is actual data on the IO channel that...
What characters can be used for up/down triangle (arrow without stem) for display in HTML?
... ⇺ ⇻ ⇼ ⇽ ⇾ ⇿
Additional HTML unicode symbols
A selected list of other helpful Unicode icons/symbols.
U+2302 ⌂ HOUSE
U+2303 ⌃ UP ARROWHEAD
U+2304 ⌄ DOWN ARROWHEAD
U+2305 ⌅ PROJECTIVE
U+2306 ⌆ PERSPECTIVE
U+2307 ⌇ WAVY LINE
U+2315 ⌕ TELEP...
What to do Regular expression pattern doesn't match anywhere in string?
...\&_more.htm
input tag #1 at character 9955:
class => "searchSelect"
id => "twotabsearchtextbox"
name => "field-keywords"
size => "50"
style => "width:100%; background-color: #FFF;"
title => "Search for"
type => "text"
...
public friend swap member function
...call:
using std::swap; // allow use of std::swap...
swap(x, y); // ...but select overloads, first
// that is, if swap(x, y) finds a better match, via ADL, it
// will use that instead; otherwise it falls back to std::swap
What is a friend function? There is confusion around this area.
Before C++...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...h
. $real_path
用户输入
执行脚本时传入脚本运行中输入select菜单stdin和stdout
常用的命令
sh脚本结合系统命令便有了强大的威力，在字符处理领域，有grep、awk、sed三剑客，grep负责找出特定的行，awk能将行拆分成多个字段，s...
What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
...eems a bit backwards. I would expect the problem do be when std::swap() is selected rather than the overload specific to the type, A::swap(). The example with std::swap(A::MyClass&, A::MyClass&) seems misleading. since std would never have a specific overload for a user type, I don't think i...
Split string into an array in Bash
...omewhere after 2.05b):
echo "${array[@]: -1:1}"
Larger negative offsets select farther from the end of the array. Note the space before the minus sign in the older form. It is required.
share
|
i...
How to make an OpenGL rendering context with transparent background?
... 0);
assert(hbmpDIB);
assert(bmp_cnt);
if(hbmpDIB)
SelectObject(pdcDIB, hbmpDIB);
}
BOOL CreateHGLRC()
{
DWORD dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_BITMAP;
PIXELFORMATDESCRIPTOR pfd ;
memset(&pfd,0, sizeof(PIXELFORMATDESCRIPTOR)) ;
pfd.nSize = size...
【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...层做得好不好，直接决定整个BLE芯片的功耗，灵敏度以及selectivity等射频指标。Link Layer，简称：LL，链路层。LL层是整个BLE协议栈的核心，也是BLE协议栈的难点和重点。像Nordic的BLE协议栈能同时支持20个link（连接），就是LL层的功...
Dynamically update values of a chartjs chart
...leStartValue : 0
}
//Get the context of the canvas element we want to select
var ctx = document.getElementById("myChart").getContext("2d");
var optionsNoAnimation = {animation : false}
var myNewChart = new Chart(ctx);
myNewChart.Line(data, optionsAnimation);
setInterval(function(){...