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Cast Double to Integer in Java
...r val = (myDouble == null)? null : Integer.valueOf(myDouble.intValue());
Now it works fine for most values. However integers have a very small range (min/max value) compared to a Double. On top of that, doubles can also hold "special values", that integers cannot:
1/0 = +infinity
-1/0 = -infini...
Is there a way to get the git root directory in one command?
...n alias:
git config --global alias.root 'rev-parse --show-toplevel'
and now git root will function just as hg root.
Note: In a submodule this will display the root directory of the submodule and not the parent repository. If you are using Git >=2.13 or above, there is a way that submodules ...
Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
...to allow compile-time static type checking (so the compiler could let you know if you try to add an object it knows is a different class through that method), but there's no real way to enforce that an array only contains objects of a given class.
In general, there doesn't seem to be a need for su...
sed one-liner to convert all uppercase to lowercase?
...oned, BSD sed doesn't support it). Try reading the top line of man sed to know which version you're using.
– Ryder
Dec 8 '17 at 10:48
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fetch from origin with deleted remote branches?
...realized we were advertising the "after" explicitly.
So the documentation now states:
Before fetching, remove any remote-tracking references that no longer exist on the remote
That is because:
When we have a remote-tracking branch named "frotz/nitfol" from a previous fetch, and the upstream now ...
How to make vi redraw screen?
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I've been using ctrl+L for such purposes for 35 years now, what's wrong with it?
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Installing a local module using npm?
...rds to creating a local package, installing it and then using it, I don't know... link works, (and its great), but the terminology is rather confusing.
– smaudet
Dec 25 '15 at 22:22
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Can you run GUI applications in a Docker container?
...er nicely for me on an Ubuntu 14.04 laptop with docker 1.5 earlier; but is now failing for me on Ubuntu 15.04, docker 1.6.2, with the error Can't open display: :0. Any ideas?
– cboettig
Jun 10 '15 at 4:30
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How to destroy an object?
As far as I know (which is very little) , there are two ways, given:
6 Answers
6
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Custom Compiler Warnings
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Update
This is now possible with Roslyn (Visual Studio 2015). You can build a code analyzer to check for a custom attribute
I don't believe it's possible. ObsoleteAttribute is treated specially by the compiler and is defined in the C# st...