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What is the difference between a map and a dictionary?
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Two terms for the same thing:
"Map" is used by Java, C++
"Dictionary" is used by .Net, Python
"Associative array" is used by PHP
"Map" is the correct mathematical term, but it is avoided because it has a separate meaning in functional programming...
Override Java System.currentTimeMillis for testing time sensitive code
Is there a way, either in code or with JVM arguments, to override the current time, as presented via System.currentTimeMillis , other than manually changing the system clock on the host machine?
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How to pass “Null” (a real surname!) to a SOAP web service in ActionScript 3
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Tracking it down
At first I thought this was a coercion bug where null was getting coerced to "null" and a test of "null" == null was passing. It's not. I was close, but so very, very wrong. Sorry about that!
I've since done lo...
System.currentTimeMillis vs System.nanoTime
...I should use System.currentTimeMillis() or System.nanoTime() when updating my object's positions in my game? Their change in movement is directly proportional to the elapsed time since the last call and I want to be as precise as possible.
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Avoid duplicates in INSERT INTO SELECT query in SQL Server
I have the following two tables:
8 Answers
8
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Git in Visual Studio - add existing project?
I'm trying to put an existing project under Git source control, but I'm unclear on several things.
16 Answers
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python max function using 'key' and lambda expression
I come from OOP background and trying to learn python.
I am using the max function which uses a lambda expression to return the instance of type Player having maximum totalScore among the list players .
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How do I tell Maven to use the latest version of a dependency?
In Maven, dependencies are usually set up like this:
12 Answers
12
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Should I test private methods or only public ones? [closed]
...implementation detail that should be hidden to the users of the class. Testing private methods breaks encapsulation.
If I find that the private method is huge or complex or important enough to require its own tests, I just put it in another class and make it public there (Method Object). Then I can...
What is a “callback” in C and how are they implemented?
From the reading that I have done, Core Audio relies heavily on callbacks (and C++, but that's another story).
9 Answers
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