abba | A/B Testing framework | Runtime Evironment library
kandi X-RAY | abba Summary
kandi X-RAY | abba Summary
abba is a simple a/b testing framework for JavaScript and Node.js. It's a node.js clone with small improvement over @maccman's Abba.
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QUESTION
I know this is a noob question but I'm a new learner to Python and I'm struggling with dictionaries.
I think my code is right but I'm not sure.
What I am trying to achieve is that I want to iterate over a dictionary with a list items with a dictionary in it. If the value is == None then that key Should be skipped. but if there is a value. I want to append the Key:Value pair to the pmp_dict = {}
Here is my code:
...ANSWER
Answered 2021-Apr-07 at 01:21There's 2 problems with the code you have:
1.pmp_dict["operation"]["Details"]["ACCOUNTLIST"]
isn't a dictionary, it's a list. Unless this was intentional, I would replace
QUESTION
Why do I have to add square brackets to make this code work? (eg: records[id][prop] = [value]; at below) If I take square brackets away, it cannot fulfill the " After updateRecords(recordCollection, 5439, "tracks", "Take a Chance on Me") , tracks should have the string Take a Chance on Me as the last element." requirement.
Why?
...ANSWER
Answered 2021-Apr-27 at 14:41tracks props is an array, as defined for Bon Jovi & Prince:
tracks: ["1999", "Little Red Corvette"]
In this statement, you want to add a tracks to the artist:
prop === "tracks".
But the artist hasn't any tracks yet:
records[id].hasOwnProperty(“tracks”) === false.
So you need to init the tracks array before adding any values to it:
records[id][prop] = [value];
PS:
You used records[id].hasOwnProperty("tracks") === false.
But for Robert Palmer, the props tracks exists and isn't an array.
You should use :
(records[id].hasOwnProperty("tracks") === false || !Array.isArray(records[id]['tracks])).
QUESTION
I have to implement this class and the 2 methods but dont know how. How do i set the variable and get it again? Heres my starting point:
...ANSWER
Answered 2021-Apr-27 at 09:29You will need to have a class field, which will store the value that was set:
QUESTION
I have this shell script but I don't know why it doesn't work after passing parameters to it...
Here it is
...ANSWER
Answered 2021-Mar-13 at 20:24In your script you are not calling your function create, so nothing is done.
Also you are expanding "$@" at the end: this prints the shell arguments you passed
trying to execute them.
The error message comes from "Line 52" that is exactly where $@ is.
In your command:
QUESTION
I have a function called four_letter_list and the goal is to return a new list that has randomized 4-letter words that can be constructed using the "nth" letter of the alphabet
You cannot use built in python functions besides len, range, for loops, while loops and if-elif-else statements.
ex: def four_letter_words(2) returns the list ['AAAA', 'AAAB', 'AABA', 'AABB', 'ABAA', 'ABAB', 'ABBA', 'ABBB', 'BAAA', 'BAAB', 'BABA', 'BABB', 'BBAA', 'BBAB', 'BBBA', 'BBBB']
This is the code I have
...ANSWER
Answered 2021-Feb-24 at 21:43There is a python standard lib function: itertools.product that does this. Otherwise, just use a 4-layer for loop.
QUESTION
When i use presigned post to generate the url and other attributes, when i try to upload my image with server side encryption that is customer managed keys, this keys is created by me. In my case, I can upload with {"x-amz-server-side-encryption": "aws:kms"}. How can i upload customer managed key?
If, i want to upload image with Customer managed key, am i using the x-amz-server-side-encryption-customer-key and x-amz-server-side-encryption-customer-key-MD5?
here is my sample code:
...ANSWER
Answered 2021-Feb-23 at 07:06Customer managed key, am i using the x-amz-server-side-encryption-customer-key and x-amz-server-side-encryption-customer-key-MD5?
There is no such header as x-amz-server-side-encryption-customer-key for SSE-KMS (its for SSE-C, see below). Instead, if you are going to use "x-amz-server-side-encryption": "aws:kms" and what to use your own CMK (not AWS Managed CMK) then you have to use:
x-amz-server-side-encryption-aws-kms-key-id- to specify the ID of the customer managed CMK used to protect the data
Header x-amz-server-side-encryption-customer-key-MD5 is for SSE-C (customer-provided keys), not for SSE-KMS.
QUESTION
I'm trying a way that when given a string of names which are first and last names, where names are split by ; and first name split to last name by : ->
ANSWER
Answered 2021-Jan-04 at 16:10If you are using Java stream you can use sorted like this:
QUESTION
given this data table as an example:
...ANSWER
Answered 2021-Feb-02 at 02:18Depending on whether you care about Zexpect being NA for the "OG" group, this should work for this dataset:
QUESTION
I am writing a simple calculator in assembly but no matter what I do, I can't get the percentage part to start to work correctly and consistently getting this error:
divide error - overflow.
I almost worked a day and a half on it and it looks like it doesn't like to change anything.
I tried every combination of multiplication and division and mix or separately and yet I can't make it work.
ANSWER
Answered 2021-Jan-30 at 23:48QUESTION
def permutations(str)
str.split(//).permutation.with_index.to_a.delete_if{|x,i| x[i].eql? x[i+1]}.flatten(1).to_a.delete_if{|x| x.class == Integer}.map{|x| x.join}
end
ANSWER
Answered 2021-Jan-30 at 15:44def permutations(str)
x = str.split(//).permutation.map(&:join).uniq
end
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