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How do I modify fields inside the new PostgreSQL JSON datatype?
...pecast to::jsonb
More info : JSON Functions and Operators
You can read my note here
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Permutations in JavaScript?
...ing to me trying to use your function. I keep it in a .js where I have all my "list manipulation function". If I use it with permute([1,2,3]), and later permute([4,5,6]), the output of the later still have the result, output from the first one. Any idea how to fix that ? Many thanks !
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Shortest distance between a point and a line segment
...is very clear and easy to read. The math behind it though, is a little bit mystical. What does the dot-product divided by the length squared really represent, for example?
– user1815201
Sep 27 '13 at 8:37
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How to create a unique index on a NULL column?
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create unique index UIX on MyTable (Column1) where Column1 is not null
– Jørn Schou-Rode
Dec 2 '10 at 14:54
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JavaScript: Class.method vs. Class.prototype.method
...ere you call it.
Consider this example:
// constructor function
function MyClass () {
var privateVariable; // private member only available within the constructor fn
this.privilegedMethod = function () { // it can access private members
//..
};
}
// A 'static method', it's just like a ...
Should I return a Collection or a Stream?
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@MarkoTopolnik Sure. My goal was to address the general API design question, which is becoming a FAQ. Regarding cost, note that, if you don't already have a materialized collection you can return or wrap (OP does, but often there is not one), ma...
What is the difference between Serializable and Externalizable in Java?
..., plus with the explicit interface you can handle inheritance, which means my synchronized sub-class can easily add locking around the the call to writeExternal(). So yeah, Externalizable is still very much relevant, certainly for large or complex objects.
– Haravikk
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How do browsers pause/change Javascript when tab or window is not active?
...e this to reload page every 5 seconds when browser is minimized ?, here is my question.
– shaijut
Jul 14 '16 at 15:43
1
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How do CUDA blocks/warps/threads map onto CUDA cores?
...c point of view (university project), so reaching peak performance is not my concern.
2 Answers
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How do I create a WPF Rounded Corner container?
...s that you are using a VisualBrush which is a more performance heavy item. My other answer below shows you how to avoid this VisualBrush ...
– cplotts
Jan 14 '15 at 0:14
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