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How to verify a user's password in Devise
... is a better, and more elegant way of doing it:
user = User.find_by_email(params[:user][:email])
user.valid_password?(params[:user][:password])
The other method where you generate the digest from the user instance was giving me protected method errors.
...
How do I create multiple submit buttons for the same form in Rails?
...de your controller, the submitted button's value will be identified by the parameter commit. Check the value to do the required processing:
def <controller action>
if params[:commit] == 'A'
# A was pressed
elsif params[:commit] == 'B'
# B was pressed
end
end
How...
Resize image in PHP
...
I hope is will work for you.
/**
* Image re-size
* @param int $width
* @param int $height
*/
function ImageResize($width, $height, $img_name)
{
/* Get original file size */
list($w, $h) = getimagesize($_FILES['l...
Factory Pattern. When to use factory methods?
...wing (dependency injection, if you like the fancy term):
$TVObj = new TV($param1, $param2, $param3);
$LivingroomObj = new LivingRoom($TVObj, $param1, $param2);
$KitchenroomObj = new Kitchen($param1, $param2);
$HouseObj = new House($LivingroomObj, $KitchenroomObj);
Here if the process of creating ...
How to get the last value of an ArrayList
...Returns the first item in the given list, or null if not found.
*
* @param <T> The generic list type.
* @param list The list that may have a first item.
*
* @return null if the list is null or there is no first item.
*/
public static <T> T getFirst( final List<T>...
Mark parameters as NOT nullable in C#/.NET?
... there a simple attribute or data contract that I can assign to a function parameter that prevents null from being passed in C#/.NET? Ideally this would also check at compile time to make sure the literal null isn't being used anywhere for it and at run-time throw ArgumentNullException .
...
Android: How can I pass parameters to AsyncTask's onPreExecute()?
...ng the task, do something like:
new MyAsyncTask(true).execute(maybe_other_params);
Edit: this is more useful than creating member variables because it simplifies the task invocation. Compare the code above with:
MyAsyncTask task = new MyAsyncTask();
task.showLoading = false;
task.execute();
...
Access-control-allow-origin with multiple domains
...mary>
/// Enables Cross Origin
/// </summary>
/// <param name="appSettingKey">AppSetting key that defines valid origins</param>
public EnableCorsByAppSettingAttribute(string appSettingKey)
{
// Collect comma separated origins
this.rawOrigins =...
ProcessStartInfo hanging on “WaitForExit”? Why?
...handling has been completed, call the WaitForExit() overload that takes no parameter after receiving a true from this overload.
– Patrick
Feb 3 '16 at 1:05
...
Curl GET request with json parameter
... work :
curl -i -H "Accept: application/json" 'server:5050/a/c/getName{"param0":"pradeep"}'
use option -i instead of x.
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