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What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr
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Personally, I find it very rare that I want to perform streaming into and out of the same string stream.
Usually I want to either initialize a stream from a string and then parse it; or stream things to a string stream and then extract the res...
What really happens in a try { return x; } finally { x = null; } statement?
...- at the IL level you can't return from inside an exception-handled block. It essentially stores it in a variable and returns afterwards
i.e. similar to:
int tmp;
try {
tmp = ...
} finally {
...
}
return tmp;
for example (using reflector):
static int Test() {
try {
return SomeNu...
Transpose/Unzip Function (inverse of zip)?
I have a list of 2-item tuples and I'd like to convert them to 2 lists where the first contains the first item in each tuple and the second list holds the second item.
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git undo all uncommitted or unsaved changes
I'm trying to undo all changes since my last commit. I tried git reset --hard and git reset --hard HEAD after viewing this post . I responds with head is now at 18c3773... but when I look at my local source all the files are still there. What am I missing?
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Vertically align text within a div [duplicate]
The code below (also available as a demo on JS Fiddle ) does not position the text in the middle, as I ideally would like it to. I cannot find any way to vertically centre text in a div , even using the margin-top attribute. How can I do this?
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About “*.d.ts” in TypeScript
... file is used to provide typescript type information about an API that's written in JavaScript. The idea is that you're using something like jQuery or underscore, an existing javascript library. You want to consume those from your typescript code.
Rather than rewriting jquery or underscore or whate...
How to join multiple lines of file names into one with custom delimiter?
I would like to join the result of ls -1 into one line and delimit it with whatever i want.
22 Answers
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Can I pass an array as arguments to a method with variable arguments in Java?
...[] args). Sun added varargs in this manner to preserve backwards compatibility.
So you should just be able to prepend extraVar to args and call String.format(format, args).
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How to make an array of arrays in Java
... point of the variable declaration, whereas the shorter syntax only works with declarations.)
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What's the difference between returning void and returning a Task?
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SLaks and Killercam's answers are good; I thought I'd just add a bit more context.
Your first question is essentially about what methods can be marked async.
A method marked as async can return void, Task or Task<T>. What are the differences between them?
A Task<T> return...