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How to build a query string for a URL in C#?
...rces from a code is building a query string to including all the necessary parameters. While by all means no rocket science, there are some nifty details you need to take care of like, appending an & if not the first parameter, encoding the parameters etc.
...
What is the easiest way to duplicate an activerecord record?
...Controller < ActionController
def some_method
my_post = Post.find(params[:id])
new_post = my_post.dup
new_post.save
end
end
You can also control which fields get copied in numerous ways, but for example, if you wanted to prevent comments from being duplicated but you wanted to m...
Print an integer in binary format in Java
...'s what I wrote:
/**
* Converts an integer to a 32-bit binary string
* @param number
* The number to convert
* @param groupSize
* The number of bits in a group
* @return
* The 32-bit long bit string
*/
public static String intToString(int number, int groupSize) {
StringBu...
How to change Hash values?
... happens a fair amount with Rails projects.
Here's some code to ensure a params hash is in UTF-8:
def convert_hash hash
hash.inject({}) do |h,(k,v)|
if v.kind_of? String
h[k] = to_utf8(v)
else
h[k] = convert_hash(v)
end
h
end
end
#...
How to add dividers and spaces between items in RecyclerView?
...reviously in the ListView class, using the divider and dividerHeight parameters:
41 Answers
...
How to urlencode data for curl command?
I am trying to write a bash script for testing that takes a parameter and sends it through curl to web site. I need to url encode the value to make sure that special characters are processed properly. What is the best way to do this?
...
How to dynamically change header based on AngularJS partial view?
...t your example doesn't show how to change the title on $routeChangeSuccess parameterized by $scope variables, which @tosh's example using a Page service does. So you can set title = "Blog" but not title = '{{"Blog post " + post.title}}'.
– Eric Drechsel
May 20 ...
Can't create handler inside thread that has not called Looper.prepare()
...m the worker thread:
Message message = mHandler.obtainMessage(command, parameter);
message.sendToTarget();
}
Other options:
You could use an AsyncTask, that works well for most things running in the background. It has hooks that you can call to indicate the progress, and when it's done.
...
Creating a new DOM element from an HTML string using built-in DOM methods or Prototype
..., then reaching into the template's .content property.
Examples:
/**
* @param {String} HTML representing a single element
* @return {Element}
*/
function htmlToElement(html) {
var template = document.createElement('template');
html = html.trim(); // Never return a text node of whitespac...
How to implement a tree data-structure in Java? [closed]
...til.HashMap;
/**
* @author ycoppel@google.com (Yohann Coppel)
*
* @param <T>
* Object's type in the tree.
*/
public class Tree<T> {
private T head;
private ArrayList<Tree<T>> leafs = new ArrayList<Tree<T>>();
private Tree<T> paren...