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Why is try {…} finally {…} good; try {…} catch{} bad?
...g the fact that an error occurred. try..finally will run your cleanup code and then the exception will keep going, to be handled by something that knows what to do with it.
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How do I get the filepath for a class in Python?
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This is the wrong approach for Django and really forcing things.
The typical Django app pattern is:
/project
/appname
models.py
views.py
/templates
index.html
etc.
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What is the lifecycle of an AngularJS Controller?
...ller.
Controllers are not singletons. Anyone can create a new controller and they are never auto-destroyed. The fact is that it's generally bound to the life cycle of its underlying scope. The controller is not automatically destroyed whenever its scope is destroyed. However, after destroying an u...
What does “javascript:void(0)” mean?
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The void operator evaluates the given
expression and then returns undefined.
The void operator is often used merely
to obtain the undefined primitive
value, usually using “void(0)” (which
is equivalent to “void 0”). In these
cases, the global variable u...
Does Java have a HashMap with reverse lookup?
...okup in both directions. Is there a name for this type of data structure, and is anything like this included in Java's standard libraries? (or maybe Apache Commons?)
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What are namespaces?
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Namespacing does for functions and classes what scope does for variables. It allows you to use the same function or class name in different parts of the same program without causing a name collision.
In simple terms, think of a namespace as a person's su...
Vertical line using XML drawable
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Instead of a shape, you could try a View:
<View
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#FF0000FF" />
I have only used this for horizontal lines, but I would think it would work for vertical lines as well.
Use:
<Vi...
Is there a DesignMode property in WPF?
...here stackoverflow.com/questions/3987439/…. If you would, please join us and discuss.
– Nam G VU
Oct 21 '10 at 12:31
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How do you attach a new pull request to an existing issue on github?
...f creating a github pull request with "Issue 4" or something in the title, and it automatically attached itself to Issue 4 in the project that I was submitting it to. I tried it again recently and it didn't work -- it just created a brand new issue instead. I don't see any options like "Attach to is...
Python mock multiple return values
I am using pythons mock.patch and would like to change the return value for each call.
Here is the caveat:
the function being patched has no inputs, so I can not change the return value based on the input.
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