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Initial size for the ArrayList
... (int i = 0; i < 10; i++) {
arr.add(0);
}
Having done this, you can now modify elements at indices 0..9.
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Byte order mark screws up file reading in Java
...</ul></p>
*
* <p>Use the {@link #getBOM()} method to know whether a BOM has been detected
* or not.
* </p>
* <p>Use the {@link #skipBOM()} method to remove the detected BOM from the
* wrapped <code>InputStream</code> object.</p>
*/
public class...
How do I PHP-unserialize a jQuery-serialized form?
...sing $('#form').serialize() , I was able to send this over to a PHP page. Now how do I unserialize it in PHP? It was serialized in jQuery.
...
Anonymous method in Invoke call
...egate();
private delegate Hashtable ReturnHashtableDelegate();
// Now use the delegates and the delegate() keyword to create
// an anonymous method as required
// Here a case where there's no value returned:
public void SetTitle(string title)
{
myWindow.Invoke(new ...
How to reverse a 'rails generate'
...stroy scaffold hohoho
Rails 3.2 adds a new d shortcut to the command, so now you can write:
rails d controller lalala
rails d model yadayada
rails d scaffold hohoho
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bower command not found windows
...elimited).
You may need to restart your command prompt window.
You should now be able to enter bower commands.
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Sorting an array of objects in Ruby by object attribute?
...me + @first_name <=> other.last_name + other.first_name
end
end
Now an array of Person objects will be sortable on last_name.
ar = [Person.new("Eric", "Cunningham"), Person.new("Homer", "Allen")]
puts ar # => [ "Eric Cunningham", "Homer Allen"] (Person objects!)
ar.sort!
puts ar ...
Parsing query strings on Android
...() worked, but was deprecated in L, and removed in M.
So the best answer now is UrlQuerySanitizer. This has existed since API level 1 and still exists. It also makes you think about the tricky issues like how do you handle special characters, or repeated values.
The simplest code is
UrlQuerySan...
java: ArrayList - how can i check if an index exists?
...uff. but the next time at that index, my index will still be index = 0 and now I am re-initializing that element in the list when I was supposed to be doing stuff. The 1st thought is to && a second condition like list.get(index) == null but that not working is why there are questions like th...
How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
..."Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0.jdk/Contents/Home
Now you will need to logout/login and then:
java -version
java version "1.7.0_45"
:-)
Of course I have no idea if something else breaks now or if the 1.8.0-ea version of java still works correctly.
You probably should no...