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No increment operator (++) in Ruby? [duplicate]
Why is there no increment operator in Ruby?
3 Answers
3
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Accessing Object Memory Address
...about id():
Return the "identity'' of an object.
This is an integer (or long integer)
which is guaranteed to be unique and
constant for this object during its
lifetime. Two objects with
non-overlapping lifetimes may have the
same id() value. (Implementation note:
this is the addres...
Is string in array?
...
For some reason when I first looked for the method I couldn't find it...thanks.
– Brad
Feb 1 '09 at 17:28
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Java equivalents of C# String.Format() and String.Join()
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The Java String object has a format method (as of 1.5), but no join method.
To get a bunch of useful String utility methods not already included you could use org.apache.commons.lang.StringUtils.
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How do I set the version information for an existing .exe, .dll?
As part of our build process I need to set the version information for all of our compiled binaries. Some of the binaries already have version information (added at compile time) and some do not.
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val() vs. text() for textarea
I am using jQuery, and wondering if I should use val() or text() (or another method) to read and update the content of a textarea.
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Accessing UI (Main) Thread safely in WPF
...You can use
Dispatcher.Invoke(Delegate, object[])
on the Application's (or any UIElement's) dispatcher.
You can use it for example like this:
Application.Current.Dispatcher.Invoke(new Action(() => { /* Your code here */ }));
or
someControl.Dispatcher.Invoke(new Action(() => { /* You...
Difference between android.app.Fragment and android.support.v4.app.Fragment
What is the difference between android.app.Fragment and android.support.v4.app.Fragment , and what are the circumstances in which each should be used?
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Create a custom event in Java
...he observer pattern.
Here's some sample code to get yourself started:
import java.util.*;
// An interface to be implemented by everyone interested in "Hello" events
interface HelloListener {
void someoneSaidHello();
}
// Someone who says "Hello"
class Initiater {
private List<HelloLis...
Ignore Xcode warnings when using Cocoapods
...ibraries which have many warnings in it, after the latest Xcode updates. (for example the Facebook SDK pod)
Now all these warnings are shown in my Xcode on the place I want to see my own warnings or errors.
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