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What is “lifting” in Haskell?
...nctor is the whole point of lifting. Also, Monads are, if anything, a dual idea to lifting: a Monad lets you use something that has been lifted some positive number of times, as if it had only been lifted once - this is better known as flattening.
– BMeph
Aug 1...
How to properly override clone method?
... See @polygenelubricants' answer for why this might be a bad idea.
– Karl Richter
Dec 27 '16 at 5:35
@Ka...
How to generate a random int in C?
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+1 for simplicity, but it is probably a good idea to emphasize that srand() should only be called once. Also, in a threaded application, you might want to make sure that the generator's state is stored per thread, and seed the generator once for each thread.
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Protecting Java Source Code From Being Accessed [closed]
...and you now have proof right? No, the students can still say you stole the idea from them or some other nonsense. My fix for this was to, in private, establish one or more of my methods with my instructor. I tell the instructor to look for the whitespace, look for certain symbols, etc. but to never ...
What does “DAMP not DRY” mean when talking about unit tests?
...ningful Phrases.
"DAMP not DRY" values readability over code re-use. The idea of DAMP not DRY in test cases is that tests should be easy to understand, even if that means test cases sometimes have repeated code.
See also Is duplicated code more tolerable in unit tests? for some discussion on the ...
How to send an object from one Android Activity to another using Intents?
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Not necessarily a bad idea, esp. since Gson is much simpler to use than to implement parcelable for all the objects you want to send.
– uvesten
Apr 13 '11 at 15:26
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Run single test from a JUnit class using command-line
...ps:
Step 1: Compile the Test Class
% javac -cp .:"/Applications/IntelliJ IDEA 13 CE.app/Contents/lib/*" SetTest.java
Step 2: Run the Test
% java -cp .:"/Applications/IntelliJ IDEA 13 CE.app/Contents/lib/*" org.junit.runner.JUnitCore SetTest
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Can I extend a class using more than 1 class in PHP?
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I actually quite like the idea of extending the class Are there any known limitations of doing it this way?
– atomicharri
Dec 10 '08 at 18:12
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What would a “frozen dict” be?
...e seldom useful frozenset in python, there's still no frozen mapping. The idea was rejected in PEP 416 -- Add a frozendict builtin type. The idea may be revisited in Python 3.9, see PEP 603 -- Adding a frozenmap type to collections.
So the python 2 solution to this:
def foo(config={'a': 1}):
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Can Eclipse refresh resources automatically?
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I use IntelliJ IDEA though. I never have to worry about saving files, because they're saved automatically. It just works. If a file changes on disk it changes in the IDE. When there's a conflict it warns you and allows you to diff and merge...