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Best way to make Java's modulus behave like it should with negative numbers?
... b) would become larger than b. Therefore, (a % b + b) % b turns it into smaller than b again (and doesn't affect negative a values).
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How to view the contents of an Android APK file?
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Actually the apk file is just a zip archive, so you can try to rename the file to theappname.apk.zip and extract it with any zip utility (e.g. 7zip).
The androidmanifest.xml file and the resources will be extracted and can be vi...
Insert ellipsis (…) into HTML tag if content too wide
...ollowing CSS only solution for truncating text on a single line works with all browers listed at http://www.caniuse.com as of writing with the exception of Firefox 6.0. Note that JavaScript is totally unnecessary unless you need to support wrapping multiline text or earlier versions of Firefox.
.el...
How to evaluate a math expression given in string form?
...is in a server context with user input. The executed JavaScript can access all Java classes and thus hijack your application without limit.
– Boann
Sep 21 '15 at 11:08
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Get records with max value for each group of grouped SQL results
..., age desc, Person) x
group by `Group`
This works because in mysql you're allowed to not aggregate non-group-by columns, in which case mysql just returns the first row. The solution is to first order the data such that for each group the row you want is first, then group by the columns you want the...
REST Complex/Composite/Nested Resources [closed]
...our specific case of the covers is slightly more complex in that a cover really does require a comic book, and visa versa.
However, if you consider an email message as a resource, and the from address as a child resource, you can obviously still reference the from address separately. For example, g...
How to search for “R” materials? [closed]
"The Google" is very helpful... unless your language is called "R," in which case it spits out tons of irrelevant stuff.
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How to use Oracle ORDER BY and ROWNUM correctly?
...return "1" in the last column. You would need to list the columns individually to avoid this.
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Is there a CSS selector for the first direct child only?
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What you posted literally means "Find any divs that are inside of section divs and are the first child of their parent." The sub contains one tag that matches that description.
It is unclear to me whether you want both children of the main div o...
equals vs Arrays.equals in Java
... it, ever.
That said, it's not "broken" as in "someone has done it in a really wrong way" — it's just doing what's defined and not what's usually expected. So for purists: it's perfectly fine, and that also means, don't use it, ever.
Now the expected behaviour for equals is to compare data. The ...