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How to convert ActiveRecord results into an array of hashes

...cords << TaskStoreStatus.last.as_json tasks_records << { :task_id => 10, :store_name => "Koramanagala", :store_region => "India" } tasks_records.to_json serializable_hash You can also convert any ActiveRecord objects to a Hash with serializable_hash and you can convert any Ac...
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Prevent browser from loading a drag-and-dropped file

...is useful to prevent the default browser behavior in cases where a user accidentally drops a file they want to upload outside of the actual file-upload drop-zone, and then wonders why they now see that same file rendered directly in the browser window (assuming a compatible file type like an image o...
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How to get index of object by its property in JavaScript?

... return i; } } return -1; } var Data = [ {id_list: 2, name: 'John', token: '123123'}, {id_list: 1, name: 'Nick', token: '312312'} ]; With this, not only can you find which one contains 'John' but you can find which contains the token '312312': findWithAttr(Dat...
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android button selector

... need to set selector of button in your layout file. <Button android:id="@+id/button1" android:background="@drawable/selector_xml_name" android:layout_width="200dp" android:layout_height="126dp" android:text="Hello" /> and done. Edit Following is button_effect.xml...
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AngularJS - Binding radio buttons to models with boolean values

... just wanted to add an important side note: ng-value has to have the value without the curly braces {{}} Example: ng-value="choice2.id" vs value="{{choice2.id}}" – Andi Oct 21 '14 at 11:26 ...
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Shared-memory objects in multiprocessing

... wrap it with some kind of synchronization or locking. multiprocessing provides two methods of doing this: one using shared memory (suitable for simple values, arrays, or ctypes) or a Manager proxy, where one process holds the memory and a manager arbitrates access to it from other processes (even o...
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

...n about incorrect number of sections or rows in sections. Here is what I did: I have two FRCs available as properties fetchedResultsController and searchFetchedResultsController. The searchFetchedResultsController should not be used unless there is a search (when the search is canceled you can see...
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How do you kill all current connections to a SQL Server 2005 database?

... to: USE master GO SET NOCOUNT ON DECLARE @DBName varchar(50) DECLARE @spidstr varchar(8000) DECLARE @ConnKilled smallint SET @ConnKilled=0 SET @spidstr = '' Set @DBName = 'DB_NAME' IF db_id(@DBName) < 4 BEGIN PRINT 'Connections to system databases cannot be killed' RETURN END SELECT @spidstr=...
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Best practice to return errors in ASP.NET Web API

... process, we have two cases: For general errors like not found, or invalid parameters being passed to an action we return a HttpResponseException to stop processing immediately. Additionally for model errors in our actions we will hand the model state dictionary to the Request.CreateErrorResponse...
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Can't start site in IIS (use by another process)

... or netstat -aon | findstr 0.0:80 in a command prompt to see which Process Id is LISTENING to port :80 and then watch for that Process Id (PID) in Task Manager with view->select columns-> process id checked. End that process, restart IIS and you are done. (Note: if you have Skype installed, tr...