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PostgreSQL query to list all table names?
...able_name
FROM information_schema.tables
WHERE table_schema='public'
AND table_type='BASE TABLE';
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Java 8 NullPointerException in Collectors.toMap
...ws a NullPointerException if one of the values is 'null'. I don't understand this behaviour, maps can contain null pointers as value without any problems. Is there a good reason why values cannot be null for Collectors.toMap ?
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Detect when an image fails to load in Javascript
... tester.src=URL;
}
function imageFound() {
alert('That image is found and loaded');
}
function imageNotFound() {
alert('That image was not found.');
}
testImage("http://foo.com/bar.jpg");
And my sympathies for the jQuery-resistant boss!
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How do I make a column unique and index it in a Ruby on Rails migration?
...1 for suggesting continuing to use the validates_uniqueness_of. The error handling is much cleaner using this method for the cost of a single indexed query I would suggest he does both
– Steve Weet
Sep 19 '09 at 22:08
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How to inherit from a class in javascript?
...have changed how I do this now, I try to avoid using constructor functions and their prototype property, but my old answer from 2010 is still at the bottom. I now prefer Object.create(). Object.create is available in all modern browsers.
I should note that Object.create is usually much slower than...
Excel VBA App stops spontaneously with message “Code execution has been halted”
...expected solution for a bizarre problem. After pressing [Ctrl+Break] twice and continuing, I saved the file. After that, the problem no longer appeared when I closed and re-opened the file.
– dbenham
Oct 1 '12 at 16:59
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jQuery - prevent default, then continue default
..., then do my additional processing (it's basically calling Google Maps API and adding a few hidden fields to the form) -- and then I need the form to submit.
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Convert HTML to NSAttributedString in iOS
I am using a instance of UIWebView to process some text and color it correctly, it gives the result as HTML but rather than displaying it in the UIWebView I want to display it using Core Text with a NSAttributedString .
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How to change the URI (URL) for a remote Git repository?
... USB key that I cloned on my hard drive (local). I moved "origin" to a NAS and successfully tested cloning it from here.
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What is the use of static constructors?
Please explain to me the use of static constructor. Why and when would we create a static constructor and is it possible to overload one?
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