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Getting an element from a Set
...as already been added to the Set? For example, when .equals() does not use all of the fields, as the OP specified. A less efficient solution would be to remove the element and re-add it with its values updated.
– KyleM
Feb 19 '13 at 17:48
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how do i block or restrict special characters from input fields with jquery?
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A simple example using a regular expression which you could change to allow/disallow whatever you like.
$('input').on('keypress', function (event) {
var regex = new RegExp("^[a-zA-Z0-9]+$");
var key = String.fromCharCode(!event.charCode ? event.which : event.charCode);
if (!regex.t...
How to override equals method in Java
...ying to override equals method in Java. I have a class People which basically has 2 data fields name and age . Now I want to override equals method so that I can check between 2 People objects.
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Setting Django up to use MySQL
...ine, you can use
python manage.py runserver
Adding the ip:port argument allows machines other than your own to access your development application. Once you are ready to deploy your application, I recommend taking a look at the chapter on Deploying Django on the djangobook
Mysql default characte...
Get source jar files attached to Eclipse for Maven-managed dependencies
...ou can configure it to download both the source files and javadoc automatically for you.
This is achieved by going into Window > Preferences > Maven and checking the "Download Artifact Sources" and "Download Artifact JavaDoc" options.
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Dynamically generating a QR code with PHP [closed]
I'm trying to generate QR codes on my website. All they have to do is have a URL in them, which a variable on my site will provide. What would be the easiest way to do this?
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Tab key == 4 spaces and auto-indent after curly braces in Vim
...verting spaces to tabs, bad!), makes the tab key == 4 spaces, and automatically indent code after curly brace blocks like Emacs does?
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How to make ReSharper re-evaluate its assembly reference highlighting
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Except for reinstalling, the only way to successfully clear the caches is to delete the files manually from your AppData directory.
Delete the solution folder that's giving you grief in the following locations:
%LOCALAPPDATA%\JetBrain...
How do you usually Tag log entries? (android)
I assume most of you are aware of android.util.Log
All logging methods accept 'String tag' as a first argument.
13 Answers
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C++ include and import difference
...andard C/C++ preprocessor statement, used for including header (or occasionally other source code) files in your source code file.
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