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How to upgrade PowerShell version from 2.0 to 3.0
...m using is Windows 7, and the PowerShell version that is installed here is 2.0. Is it possible for me to upgrade it to version 3.0 or 4.0?
...
Finding median of list in Python
...t):
n = len(lst)
s = sorted(lst)
return (sum(s[n//2-1:n//2+1])/2.0, s[n//2])[n % 2] if n else None
>>> median([-5, -5, -3, -4, 0, -1])
-3.5
numpy.median():
>>> from numpy import median
>>> median([1, -4, -1, -1, 1, -3])
-1.0
For python-3.x, use sta...
How to obtain Signing certificate fingerprint (SHA1) for OAuth 2.0 on Android?
I'm trying to register my android app following the steps in https://developers.google.com/console/help/#installed_applications which leads me to follow
http://developer.android.com/tools/publishing/app-signing.html .
...
nvm keeps “forgetting” node in new terminal session
...vm alias default stable
To list installed versions:
nvm list
As of v6.2.0, it will look something like:
$ nvm list
v4.4.2
-> v6.2.0
default -> stable (-> v6.2.0)
node -> stable (-> v6.2.0) (default)
stable -> 6.2 (-> v6.2.0) (default)
iojs -> N/A (default...
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...
Floating View 扩展：悬浮视图扩展，将组件转换为悬浮窗口 · App Inventor 2 中文网
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
IRXmitter红外发射器扩展 · App Inventor 2 中文网
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...