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Convert a Python list with strings all to lowercase or uppercase
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It can be done with list comprehensions. These basically take the form of [function-of-item for item in some-list]. For example, to create a new list where all the items are lower-cased (or upper-cased in the second snippet), you would use:
>>> [x.lower() for x in ["A","B","C"]]
['...
Sort points in clockwise order?
Given an array of x,y points, how do I sort the points of this array in clockwise order (around their overall average center point)? My goal is to pass the points to a line-creation function to end up with something looking rather "solid", as convex as possible with no lines intersecting.
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Binary search (bisection) in Python
Is there a library function that performs binary search on a list/tuple and return the position of the item if found and 'False' (-1, None, etc.) if not?
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How to create SBT project with IntelliJ Idea?
I just got started with Scala/LiftWeb/Sbt developing, and I'd like to import a Sbt project in IntelliJ Idea.
Actually, I managed to import my project in two different ways:
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How to “perfectly” override a dict?
...low is the minimal version that shuts the ABC up.
from collections.abc import MutableMapping
class TransformedDict(MutableMapping):
"""A dictionary that applies an arbitrary key-altering
function before accessing the keys"""
def __init__(self, *args, **kwargs):
self.store ...
Arguments or parameters? [duplicate]
...meters' are used. They seem to be used interchangeably in the programming world.
12 Answers
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Check whether an array is empty [duplicate]
...in array and this definitely doesn't mean that array is empty. As a quick workaround you can do following:
$errors = array_filter($errors);
if (!empty($errors)) {
}
array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false.
Otherwise in...
Android Studio: Android Manifest doesn't exists or has incorrect root tag
I got this error on Android Studio (AS):
11 Answers
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Pythonic way to check if a list is sorted or not
Is there a pythonic way to check if a list is already sorted in ASC or DESC
23 Answers
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How to get the current user in ASP.NET MVC
In a forms model, I used to get the current logged-in user by:
20 Answers
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