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How to optimize for-comprehensions and loops in Scala?
So Scala is supposed to be as fast as Java. I'm revisiting some Project Euler problems in Scala that I originally tackled in Java. Specifically Problem 5: "What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?"
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How can I configure the font size for the tree item in the package explorer in Eclipse?
How can I configure the font size for the tree item in the package explorer/outline in Eclipse?
23 Answers
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Rollback to an old Git commit in a public repo
How can I go about rolling back to a specific commit in git ?
11 Answers
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Difference between map, applymap and apply methods in Pandas
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Straight from Wes McKinney's Python for Data Analysis book, pg. 132 (I highly recommended this book):
Another frequent operation is applying a function on 1D arrays to each column or row. DataFrame’s apply method does exactly this:
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Is duplicated code more tolerable in unit tests?
I ruined several unit tests some time ago when I went through and refactored them to make them more DRY --the intent of each test was no longer clear. It seems there is a trade-off between tests' readability and maintainability. If I leave duplicated code in unit tests, they're more readable, but...
findViewById in Fragment
I am trying to create an ImageView in a Fragment which will refer to the ImageView element which I have created in the XML for the Fragment. However, the findViewById method only works if I extend an Activity class. Is there anyway of which I can use it in Fragment as well?
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Difference between decimal, float and double in .NET?
What is the difference between decimal , float and double in .NET?
18 Answers
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How to tell Eclipse Workspace?
... a way to tell what is the current Eclipse workspace you are currently working on?
25 Answers
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Python: changing value in a tuple
...uestion might be a little basic. I have a tuple called values which contains the following:
17 Answers
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How to add external library in IntelliJ IDEA?
I am trying to add external library (places it in the /libs directory) to my project. When I try to use the methods from that library, I see that they are in red color which means that the library is not recognized. When I click Ctrl+B, I get a message "Cannot find declaration to go to".
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