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Programmatically register a broadcast receiver
... is not running.
Edit: The mentioned note is no longer true as of Android 3.1, the Android system excludes all receiver from receiving intents by default if the corresponding application has never been started by the user or if the user explicitly stopped the application via the Android menu (in Ma...
How to upload files to server using JSP/Servlet?
...();
// ... (do your job here)
}
}
When you're not on Servlet 3.1 yet, manually get submitted file name
Note that Part#getSubmittedFileName() was introduced in Servlet 3.1 (Tomcat 8, Jetty 9, WildFly 8, GlassFish 4, etc). If you're not on Servlet 3.1 yet, then you need an additional ut...
Positioning MKMapView to show multiple annotations at once
....latitudeDelta = fabs(topLeftCoord.latitude - bottomRightCoord.latitude) * 1.1;
region.span.longitudeDelta = fabs(bottomRightCoord.longitude - topLeftCoord.longitude) * 1.1;
region = [mapView regionThatFits:region];
[mapView setRegion:region animated:YES];
}
...
How to import a module given its name as string?
...
With Python older than 2.7/3.1, that's pretty much how you do it.
For newer versions, see importlib.import_module for Python 2 and and Python 3.
You can use exec if you want to as well.
Or using __import__ you can import a list of modules by doing ...
Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
...
web-app version="3.1" using glassfish, I could test my servlet individually just fine when I had a mapping in web.xml AND the annotation. I removed the mapping and left the annotation since I have the latest version but then I would get a 404...
Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures
...2014) to remove the ambiguity.
From "Hyper Text Transport Protocol (HTTP/1.1): Authentication" (RFC 7235):
The 401 (Unauthorized) status code indicates that the request has not been applied because it lacks valid authentication credentials for the target resource.
From "Hypertext Transfer Pr...
Difference between “process.stdout.write” and “console.log” in node.js?
...{
process.stdout.write(d + '\n');
};
Source: http://nodejs.org/docs/v0.3.1/api/process.html#process.stdout
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Elegant way to invert a map in Scala
...ap(g -> Array(2, 5), h -> Array(2), y -> Array(5))
Map('q' -> 1.1F, 'b' -> 2.1F, 'c' -> 1.1F, 'g' -> 3F).invert
//res1: Map(1.1 -> Set(q, c), 2.1 -> Set(b), 3.0 -> Set(g))
Map(9 -> "this", 8 -> "that", 3 -> "thus", 2 -> "thus").invert
//res2: Map(this ->...
App Inventor 2 倒计时与计时器教程 - Clock组件详解 · App Inventor 2 中文网
...方法
三、时间获取与格式化
3.1 获取当前时间
3.2 提取时间的各个部分
3.3 显示实时时钟
四、正计时（秒表）
4.1 界面设计
4.2 需要的变量
4.3 开始计时
4.4 Timer 事件...
Optimal settings for exporting SVGs for the web from Illustrator?
...SVG profiles
SVG 1.0: all modern desktop and mobile browsers support SVG 1.1, so never choose this option.
SVG 1.1: You will almost always want this.
SVG Tiny/Basic: this is a subset of SVG intended for mobile devices. Only a handful of devices support SVG Tiny and not the full spec, so go for SVG...