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How does Java handle integer underflows and overflows and how would you check for it?
...t underflows, it goes back to the maximum value and continues from there.
You can check that beforehand as follows:
public static boolean willAdditionOverflow(int left, int right) {
if (right < 0 && right != Integer.MIN_VALUE) {
return willSubtractionOverflow(left, -right);
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What does iterator->second mean?
In C++, what is the type of a std::map<>::iterator ?
2 Answers
2
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Using Emacs to recursively find and replace in text files not already open
As a follow-up to this question , it's trying to find out how to do something like this which should be easy, that especially stops me from getting more used to using Emacs and instead starting up the editor I'm already familiar with. I use the example here fairly often in editing multiple files.
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How to split last commit into two in Git
...I've just made some modifications in forum branch, that I'd like to cherry-pick into master . But unfortunately, the commit I want to cherry-pick also contains some modifications that I don't want.
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How to generate keyboard events in Python?
short summary:
9 Answers
9
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How to add a spinner icon to button when it's in the Loading state?
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If you look at the bootstrap-button.js source, you'll see that the bootstrap plugin replaces the buttons inner html with whatever is in data-loading-text when calling $(myElem).button('loading').
For your case, I think you shou...
MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
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As far as I can tell, both syntaxes are equivalent. The first is SQL standard, the second is MySQL's extension.
So they should be exactly equivalent performance wise.
http://dev.mysql.com/doc/refman/5.6/en/insert.html says:
INSERT inserts new rows...
Abstract class in Java
...class is a class which cannot be instantiated. An abstract class is used by creating an inheriting subclass that can be instantiated. An abstract class does a few things for the inheriting subclass:
Define methods which can be used by the inheriting subclass.
Define abstract methods which the in...
CSS hide scroll bar if not needed
I am trying to figure out how I can hide the overflow-y:scroll; if not needed. What I mean is that I am building a website and I have a main area which posts will be displayed and I want to hide the scroll bar if content does not exceed the current width.
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How do I sort an array of hashes by a value in the hash?
This Ruby code is not behaving as I would expect:
4 Answers
4
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