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Is there a way to access an iteration-counter in Java's for-each loop?

...r to loop through the "collection" - which may not be a collection at all, and may in fact be something not at all based on indexes (such as a linked list). share | improve this answer | ...
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How can I format a decimal to always show 2 decimal places?

...he decimal point with arbitrarily large numbers, you definitely should be, and that's what your question's title suggests...) If so, the Decimal FAQ section of the docs has a question/answer pair which may be useful for you: Q. In a fixed-point application with two decimal places, some inputs have ...
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Upload failed You need to use a different version code for your APK because you already have one wit

...lay's Developer Console? I have just changed the version code from 2 to 3 and it failed to upload the build. 19 Answers ...
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Is it faster to count down than it is to count up?

... to count down than to count up. For example if you need to use a FOR loop and the loop index is not used somewhere (like printing a line of N * to the screen) I mean that code like this: ...
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Is gcc std::unordered_map implementation slow? If so - why?

... performance critical software in C++. There we need a concurrent hash map and implemented one. So we wrote a benchmark to figure out, how much slower our concurrent hash map is compared with std::unordered_map . ...
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How do you generate dynamic (parameterized) unit tests in python?

I have some kind of test data and want to create a unit test for each item. My first idea was to do it like this: 25 Answer...
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Do python projects need a MANIFEST.in, and what should be in it?

...org, but that registration has lapsed) tells me to include doc/txt files and .py files are excluded in MANIFEST.in file ...
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Secondary axis with twinx(): how to add to legend?

... a plot with two y-axes, using twinx() . I also give labels to the lines, and want to show them with legend() , but I only succeed to get the labels of one axis in the legend: ...
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Difference between validate(), revalidate() and invalidate() in Swing GUI

...idate() marks the container as invalid. Means the content is somehow wrong and must be re-laid out. But it's just a kind of mark/flag. It's possible that multiple invalid containers must be refreshed later. validate() performs relayout. It means invalid content is asked for all the sizes and all th...
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What is the difference between gsub and sub methods for Ruby Strings

I have been perusing the documentation for String today, and I saw the :sub method, which I'd never noticed before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks! ...