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Why are C character literals ints instead of chars?
...ar) == 1 . This makes intuitive sense, since 'a' is a character literal, and sizeof(char) == 1 as defined by the standard.
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Command line progress bar in Java
I have a Java program running in command line mode.
I would like to display a progress bar, showing the percentage of job done.
The same kind of progress bar you would see using wget under unix.
Is this possible?
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How to make gradient background in android
I want to create gradient background where the gradient is in the top half and there's a solid color in the bottom half, like in this image below:
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Creating functions in a loop
... f(i=i): like this:
def f(i=i):
return i
Default values (the right-hand i in i=i is a default value for argument name i, which is the left-hand i in i=i) are looked up at def time, not at call time, so essentially they're a way to specifically looking for early binding.
If you're worried abo...
What is ApplicationException for in .NET?
...ns, I usually use built-in exception classes, e.g. ArgumentNullException and NotSupportedException . However, sometimes I need to use a custom exception and in that case I write:
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Rails find_or_create_by more than one attribute?
There is a handy dynamic attribute in active-record called find_or_create_by:
5 Answers
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MySQL Multiple Joins in one query?
...want to do a LEFT OUTER JOIN which will return all your dashboard messages and an image_filename only if one exists (otherwise you'll get a null)
SELECT dashboard_data.headline, dashboard_data.message, dashboard_messages.image_id, images.filename
FROM dashboard_data
INNER JOIN dashboard_messag...
Fold / Collapse the except code section in sublime text 2
...on any of them will fold/collapse the code
If you want to collapse/expand all - you can do so by going to edit->code folding and choose "fold all" or "unfold all":
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How to get scrollbar position with Javascript?
...iew is. My guess is that I have to detect where the thumb on the track is, and then the height of the thumb as a percentage of the total height of the track. Am I over-complicating it, or does JavaScript offer an easier solution than that? Any ideas code-wise?
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Java, Classpath, Classloading => Multiple Versions of the same jar/project
...reference to the class you are trying to load, it delegates to its parent, and so on, until you get to the bootstrap class loader. If none of them find a reference to the class you are trying to load you get a ClassNotFoundException.
If you have two classes with the same binary name, searchable by t...