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How to append a newline to StringBuilder
...System.getProperty("line.separator") gives you system-dependent newline in java. Also from Java 7 there's a method that returns the value directly: System.lineSeparator()
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Mail multipart/alternative vs multipart/mixed
...ine image
inline image
attachment
attachment
And the code is:
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.URLDataSource;
import javax.mail.BodyPart;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.interne...
How to remove elements from a generic list while iterating over it?
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For those coming from Java, C#'s List is like ArrayList in that insertion/removal is O(n) and retrieval via an index is O(1). This is not a traditional linked list. It seems a bit unfortunate C# uses the word "List" to describe this data structure...
OpenJDK availability for Windows OS [closed]
...rsion available to Windows OS? From the OpenJDK home page ( http://openjdk.java.net/ ) it redirects to Oracle Sun JRE for Windows machine.
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Yank file name / path of current buffer in Vim
...ne open. For example:
Start: Editing src/com/benatkin/paint/shapes/Circle.java
Type :let @" = expand("%:p") (The path gets yanked to the main clipboard buffer.)
Open a new window with :sp
Type :e Ctrl+R"
Use the arrow keys to go back to Circle and change it to Square, and press <CR>
End...
What do the plus and minus signs mean in Objective-C next to a method?
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@bbum is on the money. The fact that Java re-appropriated the "static" keyword to mean something different is not the fault of the much-older C. While its usage may not be entirely intuitive in C, it seems even less so in Java. I would expect static to be the op...
Detect URLs in text with JavaScript
... but rather a proof of how to do the string wrapping inside the text, with JavaScript.
OK so lets just use this one: /(https?:\/\/[^\s]+)/g
Again, this is a bad regex. It will have many false positives. However it's good enough for this example.
function urlify(text) {
var urlRegex = /(htt...
What are the differences between a HashMap and a Hashtable in Java?
What are the differences between a HashMap and a Hashtable in Java?
35 Answers
35
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How to ignore SVN folders in WinMerge?
... a new filter or modify an existing one.
It will look like this:
## Ignore Java class and jar files
f: \.class$
f: \.jar$
## Ignore subversion housekeeping directories
d: \\.svn$
d: \\._svn$
Save it, then when selecting items to merge, select the filter you defined from the Select Files or Folders...
Why should I use the keyword “final” on a method parameter in Java?
...ny such re-assignments.
In Retrospect
As noted in other answers…
Given Java's original design goal of helping programmers to avoid dumb mistakes such as reading past the end of an array, Java should have been designed to automatically enforce all parameter/argument variables as 'final'. In other...