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Unique constraint that allows empty values in MySQL
...traint such that all values in the index must be distinct. An error occurs if you try to add a new row with a key value that matches an existing row. For all engines, a UNIQUE index allows multiple NULL values for columns that can contain NULL.
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Java Desktop application: SWT vs. Swing [closed]
...sions (like java OpenGL)
Cons Swing:
Native look and feel may behave
different from the real native
system.
heavy components (native/awt) hide swing components, not a problem most of the time as as use of heavy components is rather rare
Pros SWT:
uses native elements when possible, so alway...
Best documentation for Boost:asio?
...synchronous IO Library.
The examples give more away than the tutorials do. If you don't mind spending a little time looking at the different examples, I would think they should suffice to get you started. If you want to run away with it, then the reference documentation should help you a lot.
Ask ar...
How to compile python script to binary executable
... as the script.
Creates a folder build in the same folder as the script if it does not exist.
Writes some log files and working files in the build folder.
Creates a folder dist in the same folder as the script if it does not exist.
Writes the myscript executable folder in the dist folder. ...
Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
... to be removed from HTTP request as you can see in URL of this thread.
But if you want to prepare well-formed URL without dependency on data you should use URLEncoder.encode( String data, String encoding ) instead of changing standard form of you data.
For UUID string representation dashes is normal...
Browser support for URLs beginning with double slash
...'ve recently seen a few links used without a protocol. It didn't seem too difficult to understand - I think it's a great idea and pretty intuitive.
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Can I set up HTML/Email Templates with ASP.NET?
I'm working on a site that will send out a significant number of emails. I want to set up both header and footer text, or maybe even templates to allow the users to easily edit these emails if they need to.
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Increment a value in Postgres
...teger) in a field in a postgres table and increment it by one. For example if the table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total to 204?
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HTML Script tag: type or language (or omit both)?
... following error:
Line 4, Column 41: required attribute "type" not specified
So if you're a fan of standards, use it. It should have no practical effect, but, when in doubt, may as well go by the spec.
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Parsing HTML into NSAttributedText - how to set font?
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Swift 2 version, based on the answer given by Javier Querol
extension UILabel {
func setHTMLFromString(text: String) {
let modifiedFont = NSString(format:"<span style=\"font-family: \(self.font!.fontName); font-...