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How to get domain URL and application name?
... want the OP to consider reading through the docs and know a little more about related methods. I hope you are getting my point.
– Adeel Ansari
Feb 5 '10 at 14:02
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Determine what attributes were changed in Rails after_save callback?
...(but is deprecated in 5.1 and has breaking changes in 5.2). You can read about the change in this pull request.
In your after_update filter on the model you can use _changed? accessor. So for example:
class SomeModel < ActiveRecord::Base
after_update :send_notification_after_change
def se...
How to Set Variables in a Laravel Blade Template
I'm reading the Laravel Blade documentation and I can't figure out how to assign variables inside a template for use later. I can't do {{ $old_section = "whatever" }} because that will echo "whatever" and I don't want that.
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How to safely call an async method in C# without await
...ic class AsyncUtility { public static void PerformAsyncTaskWithoutAwait(this Task task, Action<Task> exceptionHandler) { var dummy = task.ContinueWith(t => exceptionHandler(t), TaskContinuationOptions.OnlyOnFaulted); } } Usage: MyAsyncMethod().Pe...
UIRefreshControl without UITableViewController
... there a sneaky way to leverage the new iOS 6 UIRefreshControl class without using a UITableViewController subclass?
12...
Create space at the beginning of a UITextField
...ift extensions, the functionality is added to the UITextField directly without subclassing.
Hope this helps!
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The ViewData item that has the key 'MY KEY' is of type 'System.String' but must be of type 'IEnumera
...or the name of your dropdown list as the first parameter, and get the item out of your viewdata:
<%= Html.DropDownList("SomeDropdownName", (IEnumerable<SelectListItem>)ViewData["basetype"]) %>
Here is also an extension method you can use so the dropdown list is set up in a similar st...
When should TaskCompletionSource be used?
...cket into the BeginAccept methods so that I get a slight performance boost out of the compiler not having to hoist the local parameter.
Then the beauty of it all:
var listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
listener.Bind(new IPEndPoint(IPAddress.Lo...
Python recursive folder read
...+/Obj-C background and I am just discovering Python (been writing it for about an hour).
I am writing a script to recursively read the contents of text files in a folder structure.
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The Guava library: What are its most useful and/or hidden features? [closed]
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Here's a YouTube video from Google (speaker: Kevin Bourrillion, lead engineer for Google's core Java libraries) which shows the beauty of Google Collections. One thing Google did, which I believe is brilliant, is guarantee Immutability...