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Best way to convert strings to symbols in hash
...
Here's a better method, if you're using Rails:
params.symbolize_keys
The end.
If you're not, just rip off their code (it's also in the link):
myhash.keys.each do |key|
myhash[(key.to_sym rescue key) || key] = myhash.delete(key)
end
...
How to get config parameters in Symfony2 Twig Templates
I have a Symfony2 Twig template. I want to output the value of a config parameter in this twig template (a version number). Therefore I defined the config parameter like this:
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How to stop an animation (cancel() does not work)
...invalidated when the animation is supposed to
* start.
*
* @param animation The next animation, or null.
*/
public void setAnimation(Animation animation)
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How to get the previous URL in JavaScript?
...l to use one of the normal session management techniques: cookie data, URL params, or server side session info.
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Sort an array in Java
...ToSort) {
System.out.print(i.intValue() + " ");
}
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
SortTestArray SortTestArray = new SortTestArray();
SortTestArray.sortIntArrayReverseOrder();
}}
Output will be
General Order is ...
Remove all but numbers from NSString
... If you actually try the code as shown (first adding an @ before the first param to NSLog, making it an objc string), you'll find that it either prints <null> or crashes. Why? See my answer below.
– Jack Nutting
Jul 22 '09 at 13:35
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How to use OrderBy with findAll in Spring Data
...k.data.jpa.repository.*;
import org.springframework.data.repository.query.Param;
import org.springframework.stereotype.Repository;
import org.springframework.data.domain.Sort;
/**
* Spring Data repository for the User entity.
*/
@SuppressWarnings("unused")
@Repository
public interface User...
JSLint says “missing radix parameter”
...ix)
For decimal -
parseInt(id.substring(id.length - 1), 10)
If the radix parameter is omitted, JavaScript assumes the following:
If the string begins with "0x", the radix is 16 (hexadecimal)
If the string begins with "0", the radix is 8 (octal). This feature is deprecated
If the string begins wit...
How set background drawable programmatically in Android
...urned
* drawable will be styled for the specified Context's theme.
*
* @param id The desired resource identifier, as generated by the aapt tool.
* This integer encodes the package, type, and resource entry.
* The value 0 is an invalid identifier.
* @return Drawable An obj...
Use of Java's Collections.singletonList()?
...
From the javadoc
@param the sole object to be stored in the returned list.
@return an immutable list containing only the specified object.
example
import java.util.*;
public class HelloWorld {
public static void main(String args[]...