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How to test if parameters exist in rails
I'm using an IF statement in Ruby on Rails to try and test if request parameters are set. Regardless of whether or not both parameters are set, the first part of the following if block gets triggered. How can I make this part ONLY get triggered if both params[:one] and params[:two] is set?
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How to access parameters in a RESTful POST method
...e:
@XmlRootElement
public class MyJaxBean {
@XmlElement public String param1;
@XmlElement public String param2;
}
Then your @POST method would look like the following:
@POST @Consumes("application/json")
@Path("/create")
public void create(final MyJaxBean input) {
System.out.println(...
Parse a URI String into Name-Value Collection
...ar, I made an improved version of the method above, which handles multiple parameters with the same key and parameters with no value as well.
public static Map<String, List<String>> splitQuery(URL url) throws UnsupportedEncodingException {
final Map<String, List<String>> qu...
get dictionary key by value
...gt;
/// dictionary with double key lookup
/// </summary>
/// <typeparam name="T1">primary key</typeparam>
/// <typeparam name="T2">secondary key</typeparam>
/// <typeparam name="TValue">value type</typeparam>
public class cDoubleKeyDictionary<T1, T2, TVal...
Disable JavaScript error in WebBrowser control
...mmands generated by user interface events.</summary>
/// <param name="pguidCmdGroup">The GUID of the command group.</param>
/// <param name="cCmds">The number of commands in <paramref name="prgCmds" />.</param>
/// <param name="prgCmds"&...
ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
...when the whole list is refreshed.
''' </summary>
''' <typeparam name="T"></typeparam>
Public Class ObservableRangeCollection(Of T) : Inherits System.Collections.ObjectModel.ObservableCollection(Of T)
''' <summary>
''' Adds the elements of the spec...
How to set custom header in Volley Request
... GsonRequest overrides method getHeaders() to return a Map with the header parameters you pass in the constructor.
– Juan José Melero Gómez
Oct 20 '16 at 8:23
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AsyncTask and error handling on Android
...syncTaskResult<JSONObject> doInBackground(
Object... params) {
try {
// get your JSONObject from the server
return new AsyncTaskResult<JSONObject>(your json object);
} catch ( Exception anyError) {
re...
Accept function as parameter in PHP
I've been wondering whether is possible or not to pass a function as parameter in PHP; I want something like when you're programming in JS:
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Why use the params keyword?
...
With params you can call your method like this:
addTwoEach(1, 2, 3, 4, 5);
Without params, you can’t.
Additionally, you can call the method with an array as a parameter in both cases:
addTwoEach(new int[] { 1, 2, 3, 4, 5 })...