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Check if at least two out of three booleans are true
...ewer recently asked me this question: given three boolean variables, a, b, and c, return true if at least two out of the three are true.
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Why is '+' not understood by Python sets?
...'t have an implementation for the + operator.
You can use | for set union and & for set intersection.
Sets do implement - as set difference. You can also use ^ for symmetric set difference (i.e., it will return a new set with only the objects that appear in one set but do not appear in both se...
Using regular expressions to parse HTML: why not?
...ossible with regular expressions, since it depends on matching the opening and the closing tag which is not possible with regexps.
Regular expressions can only match regular languages but HTML is a context-free language and not a regular language (As @StefanPochmann pointed out, regular languages a...
Return a value from AsyncTask in Android [duplicate]
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Why not call a method that handles the value?
public class MyClass extends Activity {
private class myTask extends AsyncTask<Void, Void, Void> {
//initiate vars
public myTask() {
super();
//my params ...
How to detect when an Android app goes to the background and come back to the foreground
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The onPause() and onResume() methods are called when the application is brought to the background and into the foreground again. However, they are also called when the application is started for the first time and before it is killed. You ...
Can I delete a git commit but keep the changes?
... changes on my development branch with a commit message "temporary commit" and then checkout master for the demo.
11 Answer...
When to use Amazon Cloudfront or S3
...to Amazon cloudfront over s3 or the other way around? I'm trying to understand the difference between the 2 through examples.
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Using SASS with ASP.NET [closed]
...ent tools: via Web Essential, Web Workbench, SassC, Sass.Net, Compass, SassAndCoffee...
Web Essential a fully featured plugin for Visual Studio, which really give a better experience for all Front-End stuffs. The latest version is starting to support Sass (SCSS syntax). Internally it use the Libs...
Static fields on a null reference in Java
...ase, Primary = main.getNull():
The Primary expression is evaluated, and the result is discarded. [...]
If the field is a non-blank final field, then the result is the value of the specified class variable in the class or interface that is the type of the Primary expression. [...]
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Catching all javascript unhandled exceptions
...rying to find or figure out a way to display in an alert box all of the unhandled javascript exceptions in an application. I'd want all of this to be done on the client side, without using any server side code. I'm using MVC3 as an environment.
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