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View's getWidth() and getHeight() returns 0
I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work with the android language. However, it returns 0.
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How to set up Spark on Windows?
I am trying to setup Apache Spark on Windows.
10 Answers
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Hidden features of Ruby
Continuing the "Hidden features of ..." meme, let's share the lesser-known but useful features of Ruby programming language.
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How do you unit test a Celery task?
The Celery documentation mentions testing Celery within Django but doesn't explain how to test a Celery task if you are not using Django. How do you do this?
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Can you add new statements to Python's syntax?
Can you add new statements (like print , raise , with ) to Python's syntax?
13 Answers
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How to get index in Handlebars each helper?
I'm using Handlebars for templating in my project. Is there a way to get the index of the current iteration of an "each" helper in Handlebars?
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Prevent double submission of forms in jQuery
I have a form that takes a little while for the server to process. I need to ensure that the user waits and does not attempt to resubmit the form by clicking the button again. I tried using the following jQuery code:
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How can i tell if an object has a key value observer attached
if you tell an objective c object to removeObservers: for a key path and that key path has not been registered, it cracks the sads. like -
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How to delete images from a private docker registry?
I run a private docker registry, and I want to delete all images but the latest from a repository. I don't want to delete the entire repository, just some of the images inside it. The API docs don't mention a way to do this, but surely it's possible?
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