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When should null values of Boolean be used?
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Use boolean rather than Boolean every time you can. This will avoid many NullPointerExceptions and make your code more robust.
Boolean is useful, for example
to store booleans in a collection (List, Map, etc.)
to represent a nullable boolean (coming from a nulla...
Add line break to 'git commit -m' from the command line
... Git from the command line and am trying to add a line break to the commit message (using git commit -m "" ) without going into Vim.
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Viewing unpushed Git commits
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git log origin/master..HEAD
You can also view the diff using the same syntax
git diff origin/master..HEAD
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Targeting .NET Framework 4.5 via Visual Studio 2010
Today I installed the .NET Framework 4.5 on my machine expecting to be able to use it from Visual Studio 2010, since it's just a minor update that should't pose problems for Visual Studio 2010. Unfortunately I am not, even manually removing certain 4.0 and adding the corresponding 4.5 assemblies r...
Why isn't std::initializer_list a language built-in?
It seems to me that it's quite an important feature of C++11 and yet it doesn't have its own reserved keyword (or something alike).
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Unable to add window — token android.os.BinderProxy is not valid; is your activity running?
...ur dialog) is destroyed. For a good description, see this blog post and comments:
http://dimitar.me/android-displaying-dialogs-from-background-threads/
From the stack trace above, it appears that the facebook library spins off the auth operation asynchronously, and you have a Handler - Callback me...
What is the difference between D3 and jQuery?
...3 is data-driven but jQuery is not: with jQuery you directly manipulate elements, but with D3 you provide data and callbacks through D3's unique data(), enter() and exit() methods and D3 manipulates elements.
D3 is usually used for data visualization but jQuery is used for creating web apps. D3 has ...
JPA eager fetch does not join
...their mapped entity/collection = 1 query
So SELECT and JOIN are two extremes and SUBSELECT falls in between. One can choose suitable strategy based on her/his domain model.
By default SELECT is used by both JPA/EclipseLink and Hibernate. This can be overridden by using:
@Fetch(FetchMode.JOIN)
@...
Android Studio - How to increase Allocated Heap Size
...ndroid Studio for 3 months now and one of the apps I started on it has become fairly large. The memory usage indicated at the bottom right of the program says my allocated heap is maxed at 494M.
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Call a “local” function within module.exports from another function in module.exports?
... edited Dec 15 '19 at 3:46
Let Me Tink About It
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answered May 5 '12 at 13:21
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