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How to automatically crop and center an image
...mage centered within an element sized to the cropped dimensions.
Basic example
.center-cropped {
width: 100px;
height: 100px;
background-position: center center;
background-repeat: no-repeat;
}
<div class="center-cropped"
style="background-image: url('http://placehold...
What does -D_XOPEN_SOURCE do/mean?
...ecked the gcc man page, but did not find this specific option. I did find XOPEN_SOURCE , but there was little explanation of what it does.
...
Scala 2.8 breakOut
...lable.
About breakOut
So, what's the purpose of breakOut? Consider the example given for the question, You take a list of strings, transform each string into a tuple (Int, String), and then produce a Map out of it. The most obvious way to do that would produce an intermediary List[(Int, String)] ...
菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...方法是进入文件选项卡（FileView),在Source File文件下的StdAfx.cpp文件里的最前面部分添加这个语句：#define WINVER 0x0501）
设计弹出式菜单
CMenu类里要了解的函数：
TrackPopupMenu( UINT nFlags, int x, int y, CWnd* pWnd,LPCRECT lpRect = NULL );
该函...
Why do x86-64 systems have only a 48 bit virtual address space?
...into it. Only making a new ISA (386) was it possible to break the barrier. x86_64 on the other hand supports all 64 bits in the ISA. It's just the current-generation hardware that can't make use of them all...
– R.. GitHub STOP HELPING ICE
Jul 16 '11 at 12:29
...
What's the difference between “bundle display name” and “bundle name” in cocoa application's info pl
...ave no idea. Docs suggest that it will be used in lists thus recommended max 16 characters, but for instance the Settings→General→Usage list of apps uses CFBundleDisplayName really. To date I have never figured out where exactly this one is used.
Oh, this is for iOS apps, can't speak for other...
How to draw polygons on an HTML5 canvas?
...
Create a path with moveTo and lineTo (live demo):
var ctx = canvas.getContext('2d');
ctx.fillStyle = '#f00';
ctx.beginPath();
ctx.moveTo(0, 0);
ctx.lineTo(100,50);
ctx.lineTo(50, 100);
ctx.lineTo(0, 90);
ctx.closePath();
ctx.fill();
...
Timer function to provide time in nano seconds using C++
...osted about running the function repeatedly in a loop is correct.
For Linux (and BSD) you want to use clock_gettime().
#include <sys/time.h>
int main()
{
timespec ts;
// clock_gettime(CLOCK_MONOTONIC, &ts); // Works on FreeBSD
clock_gettime(CLOCK_REALTIME, &ts); // Works on...
How to debug Angular JavaScript Code
...ging AngularJS
You can also use ng-inspect for debugging angular.
2. Firefox
For Firefox with the help of Firebug you can debug the code.
Also use this Firefox Add-Ons: AngScope: Add-ons for Firefox (Not official extension by AngularJS Team)
3. Debugging AngularJS
Check the Link: Debugging AngularJS...
How to PUT a json object with an array using curl
...bulk entry, so I'm trying to formulate a command line equivalent. When I examine the network request of the UI in chrome, I see a PUT request of a json object. When I try to replicate the request
...