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When to use StringBuilder in Java [duplicate]
It is supposed to be generally preferable to use a StringBuilder for string concatenation in Java. Is this always the case?
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Cannot push to Git repository on Bitbucket
I created a new repository and I'm running into a strange error. I've used Git before on Bitbucket but I just reformatted and now I can't seem to get Git to work. After doing a commit, I had to add my email and name to the globals, but then it committed just fine.
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Why use the params keyword?
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With params you can call your method like this:
addTwoEach(1, 2, 3, 4, 5);
Without params, you can’t.
Additionally, you can call the method with an array as a parameter in both cases:
addTwoEach(new int[] { 1, 2, 3, 4, ...
What is the difference between task and thread?
...id some sample program(help taken from MSDN) for my own sake of learning with
8 Answers
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What is the purpose of the single underscore “_” variable in Python?
...y the standard CPython
interpreter, and other interpreters have followed suit
As a general purpose "throwaway" variable name to indicate that part
of a function result is being deliberately ignored (Conceptually, it is being discarded.), as in code like:
label, has_label, _ = text.partition(':').
As...
Parsing huge logfiles in Node.js - read in line-by-line
... line using a stream. All the third-party libraries and examples did not suit my needs since they processed the files not line by line (like 1 , 2 , 3 , 4 ..) or read the entire file to memory
The following solution can parse very large files, line by line using stream & pipe. For testing I use...
C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]
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DateTime cannot be used as a constant but you could make it a nullable type (DateTime?) instead.
Give the DateTime? a default value of null, and if it is set to null at the start of your function, then you can initialize it to any value you want.
static void test(DateTime? dt = n...
how to remove X-Powered-By in ExpressJS [duplicate]
I want to remove X-Powered-By for Security,Save Bandwidth in ExpressJS(node.js). how to do it?
it could be filter(app.use) ?
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How do I copy an object in Java?
...as also a clone method which can be used to copy the object, but don't use it. It's way too easy to create a class and do improper clone method. If you are going to do that, read at least what Joshua Bloch has to say about it in Effective Java.
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Why aren't variable-length arrays part of the C++ standard?
... this question today I came across some C syntax which I wasn't familiar with.
12 Answers
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