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Any reason to clean up unused imports in Java, other than reducing clutter?
Is there any good reason to avoid unused import statements in Java? As I understand it, they are there for the compiler, so lots of unused imports won't have any impacts on the compiled code. Is it just to reduce clutter and to avoid naming conflicts down the line?
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Excluding files/directories from Gulp task
...s task that concatenates and uglifies all my custom .JS files (any non vendor libraries).
2 Answers
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Enable access control on simple HTTP server
I have the following shell script for a very simple HTTP server:
4 Answers
4
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Why extend the Android Application class?
...io in which extending Application is either preferable to another approach or necessary to accomplish something. If you have an expensive, frequently used object you can initialize it in an IntentService when you detect that the object isn't currently present. Application itself runs on the UI threa...
Don't display pushd/popd stack across several bash scripts (quiet pushd/popd)
Each time I use pushd or popd, it print the stack to standard output. How not to do so?
3 Answers
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Limits of Nat type in Shapeless
... represents a way to encode natural numbers at a type level. This is used for example for fixed size lists. You can even do calculations on type level, e.g. append a list of N elements to a list of K elements and get back a list that is known at compile time to have N+K elements.
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Responsively change div size keeping aspect ratio [duplicate]
When I give an image a percent width or height only it will grow/shrink keeping its aspect ratio, but if I want the same effect with another element, is it possible at all to tie the width and the height together using percentage?
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Chrome extension: accessing localStorage in content script
...s page where the user can define certain options and it saves it in localStorage: options.html
3 Answers
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Accessing last x characters of a string in Bash
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Last three characters of string:
${string: -3}
or
${string:(-3)}
(mind the space between : and -3 in the first form).
Please refer to the Shell Parameter Expansion in the reference manual:
${parameter:offset}
${parameter:offset:length}
Expands to up to length charac...
What is the advantage of using abstract classes instead of traits?
...he advantage of using an abstract class instead of a trait (apart from performance)? It seems like abstract classes can be replaced by traits in most cases.
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