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How do I perform a Perl substitution on a string while keeping the original?
...tion is more useful as a shibboleth than good code; good Perl coders will know it and understand it, but it's much less transparent and readable than the two-line copy-and-modify couplet you're starting with.
In other words, a good way to do this is the way you're already doing it. Unnecessary con...
How to resolve symbolic links in a shell script
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realpath is now (Jan 2012) part of coreutils and backwards compatible with the debian and BSD variant
– pixelbeat
Apr 16 '12 at 7:43
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How to remove RVM (Ruby Version Manager) from my system
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Run:
rvm implode
Now you need to uninstall the RVM gem using:
gem uninstall rvm
Check if there are any remaining RVM files in your home directory, if yes remove them.
Go to the home directory and list all hidden files:
ls -a
rm .rvm
rm...
Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]
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Rather than being a category on UIButton, though now in Swift we are on extensions rather than categories, don't you think it would be best to have an extension on UIImage for the initializer rather than UIButton
– SwiftMatt
Jan 15 '16...
Library? Static? Dynamic? Or Framework? Project inside another project
...led first and its resulting .a file used as a dependency by the project).
Now that we're clear(er) on these terms, setting up a static library and supporting media bundle for iOS isn't too difficult, and there are many tutorials on how to do such. I personally would recommend this one:
https://git...
Easy way to see saved NSUserDefaults?
... I've found this has changed in later versions of XCode. You'll now find it in a directory under the current ios version number instead of User - eg /users/your user name/Library/Application Support/iPhone Simulator/4.3/Applications
– nevster
May 21 ...
How to delete multiple values from a vector?
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@BenBolker ah I didn't know that "duplicated" predicate :(( now what, shall I delete my answer or change it to show only yours instead?
– Özgür
Apr 3 '15 at 12:11
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setMaxResults for Spring-Data-JPA annotation?
... result = repository.findByUsername("Matthews", topTen);
If you need to know the context of the result (which page is it actually? is it the first one? how many are there in total?), use Page as return type:
public interface UserRepository extends Repository<User, Long> {
Page<User>...
What is the error “Every derived table must have its own alias” in MySQL?
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I understand now. I was also thinking it might have been generated by some code. It should still simplify as Paul and DMKing suggested.
– hometoast
Dec 11 '09 at 15:36
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Why would someone use WHERE 1=1 AND in a SQL clause?
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If the list of conditions is not known at compile time and is instead built at run time, you don't have to worry about whether you have one or more than one condition. You can generate them all like:
and <condition>
and concatenate them all together....