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Import Error: No module named numpy
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Support for Python 3 was added in NumPy version 1.5.0, so to begin with, you must download/install a newer version of NumPy.
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Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C# [duplicate]
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190
Source: MSDN
IsNullOrWhiteSpace is a convenience method that is similar to the
following...
How to pass command line arguments to a rake task
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edited Aug 26 at 7:06
Sajad Torkamani
32633 silver badges1313 bronze badges
answered Apr 7 '15 at...
method overloading vs optional parameter in C# 4.0 [duplicate]
...e for 'Optional parameters' in conjunction with 'Named Parameters' in C# 4.0 is that it presents us with an elegant alternative to method overloading where you overload method based on the number of parameters.
For example say you want a method foo to be be called/used like so, foo(), foo(1), foo(1...
How to update a value, given a key in a hashmap?
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1001
map.put(key, map.get(key) + 1);
should be fine. It will update the value for the existing m...
Loop through list with both content and index [duplicate]
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Use enumerate():
>>> S = [1,30,20,30,2]
>>> for index, elem in enumerate(S):
print(index, elem)
(0, 1)
(1, 30)
(2, 20)
(3, 30)
(4, 2)
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How do I check if a variable exists in a list in BASH
...tains() {
[[ $1 =~ (^|[[:space:]])$2($|[[:space:]]) ]] && exit(0) || exit(1)
}
to use it:
contains aList anItem
echo $? # 0： match, 1: failed
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How to save an image to localStorage and display it on the next page?
...img.height;
var ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
var dataURL = canvas.toDataURL("image/png");
return dataURL.replace(/^data:image\/(png|jpg);base64,/, "");
}
Then, on my next page I created an image with a blank src like so:
<img src="" id="tableBanne...
How to pass in password to pg_dump?
...aragraph where it explains it will be ignored if you don't set the mode to 0600).
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Allow anything through CORS Policy
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+50
I've your same requirements on a public API for which I used rails-api.
I've also set header in a before filter. It looks like this:
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