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Bin size in Matplotlib (Histogram)
...st = np.linspace(min_edge, max_edge, Nplus1)
Note that linspace produces array from min_edge to max_edge broken into N+1 values or N bins
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Mutable vs immutable objects
... objects. Using mutable objects gets a lot of bad press (e.g. returning an array of strings from a method) but I'm having trouble understanding what the negative impacts are of this. What are the best practices around using mutable objects? Should you avoid them whenever possible?
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PHP function to get the subdomain of a URL
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Here's a one line solution:
array_shift((explode('.', $_SERVER['HTTP_HOST'])));
Or using your example:
array_shift((explode('.', 'en.example.com')));
EDIT: Fixed "only variables should be passed by reference" by adding double parenthesis.
EDIT 2:...
Byte array to image conversion
I want to convert a byte array to an image.
13 Answers
13
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JavaScript - cannot set property of undefined
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You have to set d[a] to either an associative array, or an object:
d[a] = [];
d[a] = {};
Without setting, this is what's happening:
d[a] == undefined, so you're doing undefined['greeting']=b; and by definition, undefined has no properties. Thus, the error you rec...
Is JSON Hijacking still an issue in modern browsers?
...rd behavior for receiving collection data in Backbone is to send as a JSON Array.
1 Answer
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Highlight the difference between two strings in PHP
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Here is a short function you can use to diff two arrays. It implements the LCS algorithm:
function computeDiff($from, $to)
{
$diffValues = array();
$diffMask = array();
$dm = array();
$n1 = count($from);
$n2 = count($to);
for ($j = -1; $j < $n2...
scala vs java, performance and memory? [closed]
...erful, but occasionally can be annoying. For example, suppose you have an array of strings (called array), and a map from those strings to files (called mapping). Suppose you want to get all files that are in the map and come from strings of length greater than two. In Java, you might
int n = 0;...
What is the significance of initializing direction arrays below with given values when developing ch
...oders have these four lines in their code (particularly in those involving arrays):
3 Answers
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Can you use a trailing comma in a JSON object?
When manually generating a JSON object or array, it's often easier to leave a trailing comma on the last item in the object or array. For example, code to output from an array of strings might look like (in a C++ like pseudocode):
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