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Add 10 seconds to a Date
...() as a string. I had to change this to (+d.getSeconds()) The unary plus converts a string to a number. Perhaps a little more obvious would be 1*d.getSeconds()
– tqwhite
Nov 30 '16 at 21:41
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C# static class constructor
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I believe I tried this and I got an exception. I'll try again, cuz I might be thinking of something else.
– jM2.me
Jul 17 '11 at 4:17
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SQL update query using joins
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Excellent, the use of the CTE makes it simple to convert the original SELECT into an UPDATE
– SteveC
Jun 14 '13 at 14:48
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'UserControl' constructor with parameters in C#
...'t need to track down a bunch of data, it can immediately create something and just see it with sensible (if uninteresting) results.
Ease of use for the designer. Designer code is clearer and easier to parse in general.
Discourages unusual data dependencies within a single component. (Though even ...
How can I implode an array while skipping empty array items?
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If no callback is supplied, all entries of input equal to FALSE (see converting to boolean) will be removed.
implode('-', array_filter($array));
Obviously this will not work if you have 0 (or any other value that evaluates to false) in your array and you want to keep it. But then you can ...
java.util.regex - importance of Pattern.compile()?
...ld of the Matcher object is through the Pattern object's matcher() method, and the only way to get ahold of the Pattern object is through the compile() method. Then there's the find() method which, unlike matches(), is not duplicated in the String or Pattern classes.
The other reason is to avoid ...
Does Java have a HashMap with reverse lookup?
...okup in both directions. Is there a name for this type of data structure, and is anything like this included in Java's standard libraries? (or maybe Apache Commons?)
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How to sort a HashSet?
...vide a custom Comparator. Otherwise, since you cannot sort a HashSet, just convert it into a List and sort it.
– Luiggi Mendoza
Mar 13 '14 at 21:40
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Good examples of Not a Functor/Functor/Applicative/Monad?
...ariant functor out of it, but not a (covariant) functor. Try writing fmap and you'll fail. Note that the contravariant functor version is reversed:
fmap :: Functor f => (a -> b) -> f a -> f b
contramap :: Contravariant f => (a -> b) -> f b -> f a
A type constr...
Android ViewPager - Show preview of page on left and right
I'm using Android's ViewPager . What I want to do is to show a preview of the page on both the left and the right. I've seen where I can use a negative pageMargin to show a preview of the right side.
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