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Sort hash by key, return hash in Ruby
...uld this be the best way to sort a hash and return Hash object (instead of Array):
10 Answers
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How to calculate moving average using NumPy?
...n - 1:] / n
>>> a = np.arange(20)
>>> moving_average(a)
array([ 1., 2., 3., 4., 5., 6., 7., 8., 9., 10., 11.,
12., 13., 14., 15., 16., 17., 18.])
>>> moving_average(a, n=4)
array([ 1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9...
How to return multiple lines JSX in another return statement in React?
... <p></p>
]);
})}
You don't need to flatten the resulting array, React will do that for you. See the following fiddle http://jsfiddle.net/mEB2V/1/. Again: Wrapping the two elements into a div/section will most likely be better long term.
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Convert a string representation of a hex dump to a byte array using Java?
...onvert a long string (from a dump), that represents hex values into a byte array.
24 Answers
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Is arr.__len__() the preferred way to get the length of an array in Python?
...tuple = (1,2,3,4,5)
len(my_tuple)
# 5
And strings, which are really just arrays of characters:
my_string = 'hello world'
len(my_string)
# 11
It was intentionally done this way so that lists, tuples and other container types or iterables didn't all need to explicitly implement a public .length()...
java: ArrayList - how can i check if an index exists?
I'm using ArrayList<String> and I add data at specific indices,
how can I check if a specific index exists?
11 Ans...
Passing $_POST values with cURL
...
Should work fine.
$data = array('name' => 'Ross', 'php_master' => true);
// You can POST a file by prefixing with an @ (for <input type="file"> fields)
$data['file'] = '@/home/user/world.jpg';
$handle = curl_init($url);
curl_setopt($hand...
Resolve promises one after another (i.e. in sequence)?
Consider the following code that reads an array of files in a serial/sequential manner. readFiles returns a promise, which is resolved only once all files have been read in sequence.
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Get class list for element with jQuery
Is there a way in jQuery to loop through or assign to an array all of the classes that are assigned to an element?
17 Answe...
Javascript - get array of dates between 2 dates
I'd like "range" to be an array of date objects, one for each day between the two dates.
24 Answers
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