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What are the rules for evaluation order in Java?
...e and associativity. And in the second step recursively evaluate that tree starting with the root. With the evaluation of a node being: Evaluate the immediate child nodes left to right and then the note itself. | One advantage of this model is it trivially handles the case where binary operators hav...
Unable to Cast from Parent Class to Child Class
...ng building a ferrari with the properties defined in base object car. Or, start with a human and create a Boy. Casting and direct use? Agree that's a no-no. But if it's part of constructor or something, could work. The serialization answer below is a nice touch.
– sirthoma...
Analyze audio using Fast Fourier Transform
... you the frequency content of your signal at N equally spaced frequencies, starting at 0. Because your sampling frequency is 44100 samples / sec. and the number of points in your FFT is 256, your frequency spacing is 44100 / 256 = 172 Hz (approximately)
The first coefficient in your array will be t...
Why is lock(this) {…} bad?
...cy Drew", Age = 15};
var a = new Thread(nancy.LockThis);
a.Start();
var b = new Thread(Timewarp);
b.Start(nancy);
Thread.Sleep(10);
var anotherNancy = new Person { Name = "Nancy Drew", Age = 50 };
var c = new Thread(NameChange);
c.Start...
What is the HEAD in git?
...ut this is the playback and record head on a cassette tape recorder. As we start recording audio, the tape moves past the head, and it records onto it. when we press Stop the place where that record head is stopped is the place it'll start recording again when we press Record a second time.Now we ca...
“Thinking in AngularJS” if I have a jQuery background? [closed]
... with developing client-side applications in jQuery , but now I'd like to start using AngularJS . Can you describe the paradigm shift that is necessary? Here are a few questions that might help you frame an answer:
...
EJB's - when to use Remote and/or local interfaces?
...t in the same JVM (this doesn't mean using only one server/JVM).
(...) Start off by using Local interfaces, and gradually upgrade to Remote interfaces where applicable?
I would probably start by using Local interfaces. And as already hinted, switching to remote interfaces is not always mandato...
Why not inherit from List?
When planning out my programs, I often start with a chain of thought like so:
27 Answers
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What is the intended use-case for git stash?
...ing is if I discover I forgot something in my last commit and have already started working on the next one in the same branch:
# Assume the latest commit was already done
# start working on the next patch, and discovered I was missing something
# stash away the current mess I made
git stash save
...
How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
...s any character except newline \n
E.g. a. Matches a two character string starting with a and ending with anything except \n
| OR operator
E.g. a|b means either a or b can be matched.
E.g. red|white|orange matches exactly one of the colors.
^ NOT operator
E.g. [^0-9] character can not co...