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How do I compile and run a program in Java on my Mac?
...f text to the screen, "Hello World!" in this example.
Using the Compiler
Now that you have written a simple Java program, you need to compile it. Run the Terminal app, which is located in "Applications/Utilities/Terminal.app". Type the following commands into the terminal:
cd ~
javac HelloWorld.j...
Why does Java allow us to compile a class with a name different than the file name?
...advent of nested / anonymous classes, if the same decision were to be made now (not caring about backwards compatibility) it would make much more sense to just allow one top level class per file.
– Michael Berry
Nov 25 '13 at 14:45
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Why can't an anonymous method be assigned to var?
...<T> type that takes a ref anything.
var x2 = y=>123;
We don't know the type of the formal parameter, though we do know the return. (Or do we? Is the return int? long? short? byte?)
var x3 = (int y)=>null;
We don't know the return type, but it can't be void. The return type could be...
what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?
... transitions.
But the Web has been catching up, and most browser vendors now provide
graphical hardware acceleration by means of particular CSS rules.
Using -webkit-transform: translate3d(0,0,0); will kick the GPU into action for the CSS transitions, making them smoother (higher FPS).
Note: t...
Share Large, Read-Only Numpy Array Between Multiprocessing Processes
...ing a multiprocessing.RawArray() and mapping NumPy dtype s to ctype s. Now, numpy-sharedmem seems to be the way to go, but I've yet to see a good reference example. I don't need any kind of locks, since the array (actually a matrix) will be read-only. Now, due to its size, I'd like to avoid a ...
Why do you not use C for your web apps?
...t seems that I am a bit late in this discussion - but I just discovered it now. And I am grateful to all of you for so much input.
I am G-WAN's author, which makes it clear that I have seriously worked on the matter: G-WAN is both faster than all other Web Servers (no processing) and all other Web ...
JavaScript curry: what are the practical applications?
...ve some logic that will be applied to two or more arguments, and you only know the value(s) for some of those arguments.
You can use partial application/currying to fix those known values and return a function that only accepts the unknowns, to be invoked later when you actually have the values yo...
How to set the value to a cell in Google Sheets using Apps Script?
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Hi Do you now how to get current cell's row and col number? How can I set value to current cell?
– Charles Chow
Mar 2 '15 at 19:33
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How to store a dataframe using Pandas
Right now I'm importing a fairly large CSV as a dataframe every time I run the script. Is there a good solution for keeping that dataframe constantly available in between runs so I don't have to spend all that time waiting for the script to run?
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Where do the Python unit tests go?
...asey - but I do have an init.py file in all relevant directories. I don't know what I do wrong, but I have this problem on all my Python projects and I can't understand why nobody else does. Oh deary.
– Jonathan Hartley
Jul 22 '09 at 8:23
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