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How do I change the IntelliJ IDEA default JDK?
I use IntelliJ IDEA as my development environment, and Maven for dependency management. I frequently build my project structure (directories, poms, etc) outside of IDEA and then import the project into IDEA using Import project from external model . This works great, except that in my poms I spec...
How to make an immutable object in Python?
...butes can be accessed via [0] etc., but at least it's considerably shorter and provides the additional advantage of being compatible with pickle and copy.
namedtuple creates a type similar to what I described in this answer, i.e. derived from tuple and using __slots__. It is available in Python 2....
Scope of sessionStorage and localStorage
I read some documentation on sessionStorage and localStorage, but I don't understand what the scope is: the domain, a specific page?
...
What's the difference between RouteLink and ActionLink in ASP.NET MVC?
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Action and Routes don't have to have a 1:1 relationship.
ActionLink will generate the URL to get to an action using the first matching route by action name.
RouteLink will generate a URL to a specific route determined either by na...
Vertical (rotated) label in Android
I need 2 ways of showing vertical label in Android:
10 Answers
10
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How do I perform an IF…THEN in an SQL SELECT?
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The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server.
SELECT CAST(
CASE
WHEN Obsolete = 'N' or InStock = 'Y'
THEN 1
ELSE 0
END AS bit) as Saleable,...
Pipe to/from the clipboard in Bash script
... has a utility that lets you talk to it.
In the case of X, there's xclip (and others). xclip -selection c will send data to the clipboard that works with Ctrl + C, Ctrl + V in most applications.
If you're on Mac OS X, there's pbcopy. e.g cat example.txt | pbcopy
If you're in Linux terminal mode (...
How to quickly and conveniently create a one element arraylist [duplicate]
...ariable size List
If it needs vary in size you can construct an ArrayList and the fixed-sizeList like
return new ArrayList<String>(Arrays.asList(s));
and (in Java 7+) you can use the diamond operator <> to make it
return new ArrayList<>(Arrays.asList(s));
Single Element Lis...
Why doesn't a python dict.update() return the object?
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Python's mostly implementing a pragmatically tinged flavor of command-query separation: mutators return None (with pragmatically induced exceptions such as pop;-) so they can't possibly be confused with accessors (and in the same vein, assignment is not an expression, the statement-expressi...
How to listen for a WebView finishing loading a URL?
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Extend WebViewClient and call onPageFinished() as follows:
mWebView.setWebViewClient(new WebViewClient() {
public void onPageFinished(WebView view, String url) {
// do your stuff here
}
});
...