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How do I retrieve an HTML element's actual width and height?
... have a <div> that I wish to center in the browser's display (viewport). To do so, I need to calculate the width and height of the <div> element.
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iTunes Connect: How to choose a good SKU?
...ple using the 01 numbering in their documentation? There must be a reason for that.
– dhrm
Jan 3 '12 at 10:48
I think ...
Git: Create a branch from unstaged/uncommitted changes on master
Context: I'm working on master adding a simple feature. After a few minutes I realize it was not so simple and it should have been better to work into a new branch.
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
... with the same packageName as an app that's already installed on the emulator, but the one you're trying to install has a lower versionCode (integer value for your version number).
You might have installed from a separate copy of the code where the version number was higher than the copy you're wor...
How to compare objects by multiple fields
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You can implement a Comparator which compares two Person objects, and you can examine as many of the fields as you like. You can put in a variable in your comparator that tells it which field to compare to, although it would probably be simpler to just ...
Difference between Groovy Binary and Source release?
i have been seeing the words binary and source release in many websites download sections.
3 Answers
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How to determine if a process runs inside lxc/Docker?
...whether they run inside a virtual machine, is something similar available for lxc/docker?
15 Answers
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WPF: ItemsControl with scrollbar (ScrollViewer)
I followed this small "tutorial" on how to add a scrollbar to an ItemsControl, and it works in Designer view, but not when I compile and execute the program (only the first few items show up, and no scrollbar to view more - even when VerticalScrollbarVisibility is set to "Visible" instead of "Auto...
What does the constant 0.0039215689 represent?
...39215689 is approximately equal to 1/255.
Seeing that this is OpenGL, performance is probably important. So it's probably safe to guess that this was done for performance reasons.
Multiplying by the reciprocal is faster than repeatedly dividing by 255.
Side Note:
If you're wondering why such a...
How to add property to a class dynamically?
...A property is actually a simple implementation of a thing called a descriptor. It's an object that provides custom handling for a given attribute, on a given class. Kinda like a way to factor a huge if tree out of __getattribute__.
When I ask for foo.b in the example above, Python sees that the b...