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How to remove all callbacks from a Handler?
I have a Handler from my sub-Activity that was called by the main Activity . This Handler is used by sub-classes to postDelay some Runnables, and I can't manage them. Now, in the onStop event, I need to remove them before finishing the Activity (somehow I called finish() , but it still call ...
Preloading CSS Images
...eployed clicking on a button. Its fields are set as CSS background images, and they always appears a bit later than the div that have been toggled.
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Is there a way to iterate over a range of integers?
Go's range can iterate over maps and slices, but I was wondering if there is a way to iterate over a range of numbers, something like this:
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How do I determine whether an array contains a particular value in Java?
...the searching functions in the Arrays class versus iterating over an array and using an equals() function or == for primitives.
– Thomas Owens
Jul 15 '09 at 0:06
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Facebook Android Generate Key Hash
Trying to create an android app with Facebook integration, I've gotten to the part in the docs where you have to generate a key hash file, it specifies to run the following code
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What's the difference between Application.ThreadException and AppDomain.CurrentDomain.UnhandledExcep
...cation.ThreadException is specific to Windows Forms. Winforms runs event handlers in response to messages sent to it by Windows. The Click event for example, I'm sure you know them. If such an event handler throws an exception then there's a back-stop inside the Winforms message loop that catches...
How do I push to GitHub under a different username?
A friend and myself are sharing my computer. I've made pushes to GitHub using the git bash shell on Windows 7. Now we're in a different project on that computer and I need her to push to her account. But it keeps trying to use my username and saying I don't have access to her repository:
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What is “thread local storage” in Python, and why do I need it?
...on-local variables (because each function call gets its own set of locals, and threads are always separate function calls.) And even then, only the variables themselves (the names that refer to objects) are local to the function; objects themselves are always global, and anything can refer to them.
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What is the proper way to re-throw an exception in C#? [duplicate]
...trace resulting from "throw ex", you'll see that it ends on that statement and not at the real source of the exception.
Basically, it should be deemed a criminal offense to use "throw ex".
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How can the Euclidean distance be calculated with NumPy?
...roduction to Data Mining
This works because Euclidean distance is l2 norm and the default value of ord parameter in numpy.linalg.norm is 2.
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