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How to use mysql JOIN without ON condition?
...tead of 'ON' as in the query
SELECT * FROM table1 LEFT JOIN table2 USING (id);
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What exactly is an “open generic type” in .NET? [duplicate]
...d types. An open type is a type that involves type parameters. More specifically:
A type parameter defines an open type.
An array type is an open type if and only if its element type is an open type.
A constructed type is an open type if and only if one or more of its type arguments is an open type...
Rails Console: reload! not reflecting changes in model files? What could be possible reason?
...cts, their attributes would not be updated - including newly introduced validations. However, if you create a new object, its attributes (and also validations) will reflect the reloaded code.
more here
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Difference between @Mock and @InjectMocks
...lises these mocks and injects them for every test method so it needs to be called in the setUp() method.
This link has a good tutorial for Mockito framework
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How do I find the install time and date of Windows?
...hat's great, is there a special place you went to get that information or did you just know it?
– Free Wildebeest
Oct 4 '08 at 16:50
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How to load images dynamically (or lazily) when users scrolls them into view
...ey are not fetched from the server straight away ). What is this technique called, how does it work and in how many browsers does it work. And is there a jQuery plugin that can achieve this behavior with minimum coding.
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How do you easily horizontally center a using CSS? [duplicate]
...nter a <div> block element on a page and have it set to a minimum width. What is the simplest way to do this? I want the <div> element to be inline with rest of my page. I'll try to draw an example:
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List of Rails Model Types
...ting a migration etc car:references comes in very handy for creating a car_id foreign key.
– BKSpurgeon
Jul 25 '16 at 22:46
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Fill SVG path element with a background-image
... do it by making the background into a pattern:
<defs>
<pattern id="img1" patternUnits="userSpaceOnUse" width="100" height="100">
<image href="wall.jpg" x="0" y="0" width="100" height="100" />
</pattern>
</defs>
Adjust the width and height according to your ima...
What is the JavaScript >>> operator and how do you use it?
... However, the spec deliberately allows many Array functions to be called on non-Array (eg. via Array.prototype.filter.call), so array might not actually be a real Array: it might be some other user-defined class. (Unfortunately, it can't reliably be a NodeList, which is when you'd really wa...