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Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
...reat! Just to comment on that.. you may sometimes need to store "this" globally, (for example) in order to access it within a listener's implemented method who has it's own 'this'. In that case, you'd define "Context context" globally, and then in the onCreate, set "context = this", and then refer t...
Open Cygwin at a specific folder
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When you install Cygwin (or if you’ve already installed it, download it again and start setup again to run an update), make sure that you select the chere package under the "Shells" category.
After Cygwin is launched, open up a Cygwin ...
Thread vs ThreadPool
...rom the pool rather than one I've explicitly created? I'm thinking specifically of .NET here, but general examples are fine.
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Font Awesome icon inside text input element
...e. You should select the wrapper: .wrapper:before. See http://jsfiddle.net/allcaps/gA4rx/ .
I also added the placeholder suggestion where the wrapper is redundant.
.wrapper input[type="text"] {
position: relative;
}
input { font-family: 'FontAwesome'; } /* This is for the placeholder */
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From ND to 1D arrays
...tten() is way slower, as it needs to make a copy.
– BallpointBen
Aug 29 '18 at 22:52
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Java Array Sort descending?
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You could use this to sort all kind of Objects
sort(T[] a, Comparator<? super T> c)
Arrays.sort(a, Collections.reverseOrder());
Arrays.sort() cannot be used directly to sort primitive arrays in descending order. If you try to call the Arrays...
How to list active / open connections in Oracle?
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Either you don't have permissions, or you didn't install the DBA views correctly.
– S.Lott
Jun 25 '09 at 10:24
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C++ Object Instantiation
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On the contrary, you should always prefer stack allocations, to the extent that as a rule of thumb, you should never have new/delete in your user code.
As you say, when the variable is declared on the stack, its destructor is automatically called when it goes out of scope...
How can I add the new “Floating Action Button” between two widgets/layouts
...out_height or margin values, which could vary in time or be defined dynamically. Hugh's answer could work in some simple cases, and perhaps could be a workaround for some third-party libraries that don't fully support CoordinatorLayout and layout_anchor and layout_anchorGravity features, like the on...
Why is there no tuple comprehension in Python?
As we all know, there's list comprehension, like
10 Answers
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