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Is Integer Immutable
I know this is probably very stupid, but a lot of places claim that the Integer class in Java is immutable, yet the following code:
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What are 'closures' in .NET?
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Thanks Jon. BTW, is there something that you don't know in .NET? :) Who do you go to when you have questions?
– Developer
Jan 9 '09 at 16:12
44
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Center a popup window on screen?
...lso work on windows that aren't maxed out to the screen's width and height now thanks to @Frost!
If you're on dual monitor, the window will center horizontally, but not vertically... use this function to account for that.
const popupCenter = ({url, title, w, h}) => {
// Fixes dual-screen po...
Android Bitmap to Base64 String
...Stream is = new Base64InputStream( new FileInputStream(yourFileHere) );
//Now that we have the InputStream, we can read it and put it into the String
final StringWriter writer = new StringWriter();
IOUtils.copy(is , writer, encoding);
final String yourBase64String = writer.toString();
As you can ...
Does Java SE 8 have Pairs or Tuples?
...c, and it wouldn't have satisfied many of the use cases we are envisioning now. Consider that if Pair had been added in the JDK 1.0 time frame, it probably would have been mutable! (Look at java.util.Date.) Would people have been happy with that? My guess is that if there were a Pair class in Java, ...
When & why to use delegates? [duplicate]
... in Guass3.
With Delegates
public delegate double Integrand(double x);
Now we can define some static (or not) functions adhering to that prototype:
class Program {
public delegate double Integrand(double x);
// Define implementations to above delegate
// with similar input and outp...
Passing Objects By Reference or Value in C#
...value, as the initial value of the parameter of the method you're calling. Now the important point is that the value is a reference for reference types - a way of getting to an object (or null). Changes to that object will be visible from the caller. However, changing the value of the parameter to r...
How to upgrade Git to latest version on macOS?
...on
You should see…
git version <latest version>
Nice! We’re safe now! And next time you can just…
$ brew update && brew upgrade
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Rails 4: how to use $(document).ready() with turbo-links
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Please note that Rails 4 is now defaulting to Turbolinks 5 which, in turn, is not supported by jquery.turbolinks! See github.com/kossnocorp/jquery.turbolinks/issues/56
– sebastian
Jul 5 '16 at 12:08
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Hidden features of Ruby
Continuing the "Hidden features of ..." meme, let's share the lesser-known but useful features of Ruby programming language.
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