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Why does Eclipse complain about @Override on interface methods?
...n Java 5.
Make sure that your IDE projects are setup to use a Java 6 JRE, and that the "source compatibility" is set to 1.6 or greater:
Open the Window > Preferences dialog
Browse to Java > Compiler.
There, set the "Compiler compliance level" to 1.6.
Remember that Eclipse can override th...
How to avoid reverse engineering of an APK file?
I am developing a payment processing app for Android, and I want to prevent a hacker from accessing any resources, assets or source code from the APK file.
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Why would I make() or new()?
...ents dedicate many paragraphs to explaining the difference between new() and make() , but in practice, you can create objects within local scope and return them.
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Case insensitive searching in Oracle
The default behaviour of LIKE and the other comparison operators, = etc is case-sensitive.
6 Answers
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How to sort a list/tuple of lists/tuples by the element at a given index?
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@Stephen using itemgetter is faster and simpler: key=itemgetter(1) and at the beginning of the file: from operator import itemgetter
– Joschua
Mar 13 '13 at 20:08
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Getting A File's Mime Type In Java
... Be aware that Files.probeContentType(Path) is buggy on several OSes and a lot of bug reports have been filed. I have had a problem with software working on ubuntu but failing on windows. It seemed that on windows Files.probeContentType(Path) always returned null. It was not my system so I did...
find -exec cmd {} + vs | xargs
Which one is more efficient over a very large set of files and should be used?
3 Answers
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must appear in the GROUP BY clause or be used in an aggregate function
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To workaround this issue, you must calculate the aggregate in a sub-query and then join it with itself to get the additional columns you'd need to show:
SELECT m.cname, m.wmname, t.mx
FROM (
SELECT cname, MAX(avg) AS mx
FROM makerar
GROUP BY cname
) t JOIN makerar m ON m.cname = t....
ng-repeat :filter by single field
I have an array of products that I'm repeating over using ng-repeat and am using
12 Answers
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Best way to initialize (empty) array in PHP
...o = [] rather than var foo = new Array() for reasons of object creation and instantiation. I wonder whether there are any equivalences in PHP?
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