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CALayer with transparent hole in it
...ath *circlePath = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(0, 0, 2.0*radius, 2.0*radius) cornerRadius:radius];
[path appendPath:circlePath];
[path setUsesEvenOddFillRule:YES];
CAShapeLayer *fillLayer = [CAShapeLayer layer];
fillLayer.path = path.CGPath;
fillLayer.fillRule = kCAFillRuleEve...
Windows batch file file download from a URL
...
With PowerShell 2.0 (Windows 7 preinstalled) you can use:
(New-Object Net.WebClient).DownloadFile('http://www.example.com/package.zip', 'package.zip')
Starting with PowerShell 3.0 (Windows 8 preinstalled) you can use Invoke-WebRequest:
I...
Override back button to act like home button
...apture the Back button press and call moveTaskToBack(true) as follows:
// 2.0 and above
@Override
public void onBackPressed() {
moveTaskToBack(true);
}
// Before 2.0
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
moveTaskTo...
比尔盖茨“未来生活预言”的科技豪宅（图） - 资讯 - 清泛网 - 专注C/C++及内核技术
...，他家就指引着数字生活的航向。
豪宅名叫“世外桃源2.0”，位于美国西雅图的华盛顿湖畔，从市区开车只需25分钟。“世外桃源2.0”这个名字来源于《CitizenKane》里 CharlesFosterKane虚构的房屋。
盖茨把岸边小山挖去一半，前临...
Possible to iterate backwards through a foreach?
.... IList) you should definitely use a for loop instead.
If you are on .NET 2.0 and cannot use a for loop (i.e. you just have an IEnumerable) then you will just have to write your own Reverse function. This should work:
static IEnumerable<T> Reverse<T>(IEnumerable<T> input)
{
r...
Why does only the first line of this Windows batch file execute but all three lines execute in a com
...ll mvn install:install-file -DgroupId=gdata -DartifactId=blogger -Dversion=2.0 -Dfile=gdata-blogger-2.0.jar -Dpackaging=jar -DgeneratePom=true
call mvn install:install-file -DgroupId=gdata -DartifactId=blogger-meta -Dversion=2.0 -Dfile=gdata-blogger-meta-2.0.jar -Dpackaging=jar -DgeneratePom=true
...
Javascript: formatting a rounded number to N decimals
...t contain information about significant digits; the value 2 is the same as 2.0000000000000. It's when you turn the rounded value into a string that you have make it display a certain number of digits.
You could just add zeroes after the number, something like:
var s = number.toString();
if (s.inde...
IIS7 deployment - duplicate 'system.web.extensions/scripting/scriptResourceHandler' section
...eclared already.
Another quick fix is to have the application pool set to 2.0 just as your development machine appears to have,.
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What do “branch”, “tag” and “trunk” mean in Subversion repositories?
...do a "1.1" branch, and a "1.1beta1" tag. Now, work on what will be 1.2 (or 2.0 maybe) continues in trunk, but work on 1.1 continues in the "1.1" branch.
trunk/ - development version, soon to be 1.2
branches/1.0 - upcoming 1.0.2 release
branches/1.1 - upcoming 1.1.0 release
tags/1.0.0 - 1.0.0 rele...
C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
...se at compile time, the compiler can't simply execute TimeSpan.FromSeconds(2.0) and stick the bytes of the result into your compiled code.
As an example, consider if you tried to use DateTime.Now instead. The value of DateTime.Now changes every time it's executed. Or suppose that TimeSpan.FromSecon...