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How do I check that a Java String is not all whitespaces?
...ity of the question :) Also, I rarely use matches(): for performance, I usually store the Pattern in a final static. Pays off if the same code runs frequently.
– Carl Smotricz
Jul 14 '10 at 14:31
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Can jQuery get all CSS styles associated with an element?
Is there a way in jQuery to get all CSS from an existing element and apply it to another without listing them all?
5 Answer...
How to find all combinations of coins when given some dollar value
...or this, and contains a fairly extensive discussion of the problem. Essentially you define a polynomial where the nth coefficient is the number of ways of making change for n dollars.
Pages 4-5 of the writeup show how you can use Mathematica (or any other convenient computer algebra system) to comp...
Singular or plural controller and helper names in Rails
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Using plural names for controllers is just a convention.
Plural names usually sound more natural (especially for controllers that are tied directly to a specific model: User -> Users, etc.), but you can use whatever you want.
As for helpers, all helpers are available for all controllers by def...
How do I update my bare repo?
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If you want to duplicate all the objects from the main repo, do this inside the main repo:
git push --all <url-of-bare-repo>
Alternatively, do a fetch inside the bare repo:
git fetch <url-of-main-repo>
You cannot do a pull, because ...
What is the shortcut to Auto import all in Android Studio?
... and make the following changes:
change Insert imports on paste value to All
markAdd unambigious imports on the fly option as checked
On a Mac, do the same thing in Android Studio -> Preferences
After this, all unambiguous imports will be added automatically.
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How to grant remote access permissions to mysql server for user?
...ot access with the same password from any machine in *.example.com:
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%.example.com'
IDENTIFIED BY 'some_characters'
WITH GRANT OPTION;
FLUSH PRIVILEGES;
If name resolution is not going to work, you may also grant access by IP or subnet:
GRANT ALL P...
List all of the possible goals in Maven 2?
...d of the following phases:
validate: validate the project is correct and all necessary information is available.
compile: compile the source code of the project.
test: test the compiled source code using a suitable unit testing framework. These tests should not require the code be packaged or depl...
How to specify font attributes for all elements on an html web page?
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* {
font-size: 100%;
font-family: Arial;
}
The asterisk implies all elements.
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Commit history on remote repository
...what you do is download the state of the server with git fetch and then locally see the log of the remote branches.
Perhaps another useful command could be:
git log HEAD..remote/branch
which will show you the commits that are in the remote branch, but not in your current branch (HEAD).
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