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How do I create a list of random numbers without duplicates?
...use the shuffle function from the random module like this:
import random
my_list = list(xrange(1,100)) # list of integers from 1 to 99
# adjust this boundaries to fit your needs
random.shuffle(my_list)
print my_list # <- List of unique random numbers
Note here th...
Manually raising (throwing) an exception in Python
...t into production.
Example Usage
I raise Exceptions to warn consumers of my API if they're using it incorrectly:
def api_func(foo):
'''foo should be either 'baz' or 'bar'. returns something very useful.'''
if foo not in _ALLOWED_ARGS:
raise ValueError('{foo} wrong, use "baz" or "b...
Put content in HttpResponseMessage object?
...
See my post below for creating your own derived types of StringContent (e.g. JSON, XML etc.).
– bytedev
Jan 13 '16 at 16:52
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How to initialize a List to a given size (as opposed to capacity)?
...se the given solution instead of a simple loop?
– Jimmy
Jan 23 '14 at 11:16
@Jimmy: Both approaches will be O(n), and ...
Differences between git pull origin master & git pull origin/master
...ill it always merge to the master branch, lets say am on another branch in my repo and then am doing above command, will it update my current branch with the origin remote changes or my master branch with the changes ?
– Rachel
May 21 '10 at 16:38
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Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc)
...
I can confirm this :) In my tests, JSONKit was almost twice faster than YAJL and 50% faster than JSON Framework, but apparently the data I used for the test was a kind of worst case scenario for JSONKit.
– Kuba Suder
...
What is the easiest way to get the current day of the week in Android?
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Here is my simple approach to get Current day
public String getCurrentDay(){
String daysArray[] = {"Sunday","Monday","Tuesday", "Wednesday","Thursday","Friday", "Saturday"};
Calendar calendar = Calendar.getInstance();
...
Accessing the index in 'for' loops?
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@TheRealChx101 according to my tests (Python 3.6.3) the difference is negligible and sometimes even in favour of enumerate.
– Błotosmętek
Feb 7 at 12:18
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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
I have recently been learning Python and am dipping my hand into building a web-scraper. It's nothing fancy at all; its only purpose is to get the data off of a betting website and have this data put into Excel.
...
What's the difference between lists and tuples?
... be pairs of page and line number to reference locations in a book, e.g.:
my_location = (42, 11) # page number, line number
You can then use this as a key in a dictionary to store notes on locations. A list on the other hand could be used to store multiple locations. Naturally one might want to ...