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How to find out which view is focused?
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Call getCurrentFocus() on the Activity.
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For a boolean field, what is the naming convention for its getter/setter?
...e section of Sun's code conventions where boolean getter names are specifically covered? I could not find it.
– Konstantin Pelepelin
Mar 29 '17 at 17:36
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Pure virtual destructor in C++
...ing from A and then try to delete or destroy it, A's destructor will eventually be called. Since it is pure and doesn't have an implementation, undefined behavior will ensue. On one popular platform, that will invoke the purecall handler and crash.
Edit: fixing the declaration to be more conformant...
How to git log in reverse order?
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You don't need to type --reverse all the time, nor do you need a bash function. You can just create a git alias. Open up your favorite text editor and open up your global .gitconfig file. It's usually found in your home directory.
Navigate to or create a se...
Why does PEP-8 specify a maximum line length of 79 characters? [closed]
... and get on with writing good, consistently formatted code. Sure, no one really thinks that 79 is optimal, but there's no obvious gain in changing it to 99 or 119 or whatever your preferred line length is. I think the choices are these: follow the rule and find a worthwhile cause to battle for, or p...
Diff two tabs in Vim
...ng the second file in the same tab instead of a new one.
Here's what I usually do:
:edit file1
:diffthis
:vnew
:edit file2
:diffthis
The :vnew command splits the current view vertically so you can open the second file there. The :diffthis (or short: :difft) command is then applied to each view.
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Best way to parse command line arguments in C#? [closed]
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NDesk.options is great, but doesn't seem to really support console apps with more than one distinct command well. If you want that, try ManyConsole which builds on NDesk.Options: nuget.org/List/Packages/ManyConsole
– Frank Schwieterman
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How to implement a Map with multiple keys? [duplicate]
...ey mk, Object k) and then a Map<MetaKey, Map<Object, V>> internally.
– Jeremy Huiskamp
May 4 '09 at 22:21
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Cannot set property 'innerHTML' of null
...tag are trying to access an element having id hello even before it has actually been rendered in the DOM. So obviously, JavaScript failed to see the element and hence you end up seeing the null reference error.
How can you make it work as before?
You want to show the "hi" message on the page a...
Numpy array assignment with copy
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All three versions do different things:
B = A
This binds a new name B to the existing object already named A. Afterwards they refer to the same object, so if you modify one in place, you'll see the change through the other...