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Haskell: Lists, Arrays, Vectors, Sequences
...ke
ones :: [Integer]
ones = 1:ones
twos = map (+1) ones
tenTwos = take 10 twos
work wonderfully. Infinite data structures rock.
Lists in Haskell provide an interface much like iterators in imperative languages (because of laziness). So, it makes sense that they are widely used.
On the oth...
Fade In Fade Out Android Animation in Java
I want to have a 2 second animation of an ImageView that spends 1000ms fading in and then 1000ms fading out.
11 Answers
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Outputting data from unit test in python
...tion to the error message like this:
self.assertEqual(f.bar(t2), 2, msg='{0}, {1}'.format(t1, t2))
Offical docs here
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ReSharper warns: “Static field in generic type”
...{
public static void Main()
{
Generic<string>.Foo = 20;
Generic<object>.Foo = 10;
Console.WriteLine(Generic<string>.Foo); // 20
}
}
As you can see, Generic<string>.Foo is a different field from Generic<object>.Foo - they hold separa...
Difference between Node object and Element object?
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506
A node is the generic name for any type of object in the DOM hierarchy. A node could be one of...
How can one use multi threading in PHP applications
...tion run() {
if ($this->arg) {
$sleep = mt_rand(1, 10);
printf('%s: %s -start -sleeps %d' . "\n", date("g:i:sa"), $this->arg, $sleep);
sleep($sleep);
printf('%s: %s -finish' . "\n", date("g:i:sa"), $this->arg);
}
}
}
// ...
How do I expand the output display to see more columns of a pandas DataFrame?
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Update: Pandas 0.23.4 onwards
This is not necessary, pandas autodetects the size of your terminal window if you set pd.options.display.width = 0. (For older versions see at bottom.)
pandas.set_printoptions(...) is deprecated. Instead, use...
Modifying the “Path to executable” of a windows service
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250
There is also this approach seen on SuperUser which uses the sc command line instead of modifyin...
Best way to randomize an array with .NET
...t way to randomize an array of strings with .NET? My array contains about 500 strings and I'd like to create a new Array with the same strings but in a random order.
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Android ViewPager - Show preview of page on left and right
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10 Answers
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