I spend most of my day speaking to modellers of some kind, not the ones that walk down the catwalk – the ones that can do amazing things with statistics and a computer! I work for a media agency with a pretty big Data Science and Econometric modelling function and we’re always hiring. In true… Read More »
Here’s a lesson for everyone out there who like to sit in Starbucks with their coffee, working away… leave the lid on! I don’t normally take my MacBook out in offee shops however I needed to update some code before heading into a meeting so I ordered my Grande Soya Latte, sat down and… Read More »
I have user registration form however to keep it simple I don’t want the user to have to enter lots of details during the initial registration, however want to have them complete a profile page. I wanted the profile to be created on registration so set up a has_one relationship in my model: class User… Read More »
Took me a while to work this one out but let me paint the scene. I have 3 models as follows: class Student < ApplicationRecord has_many :education_records has_many :qualifications, through: :education_records accepts_nested_attributes_for :qualifications end class EducationRecord < ApplicationRecord belongs_to :student belongs_to :qualification has_many :qualifications has_many :students end class Qualification < ApplicationRecord has_many :education_records has_many :students,… Read More »
Create new data frame including only certain columns data = pd.read_csv(‘data.csv’) #Select first 22 columns and create dataframe df = data[data.columns[:22]] Add new column with the difference between two dates #datetime.new() gives current date time df[‘new_date_column’] = datetime.now() – pd.to_datetime(df[‘date_to_be_calculatd_from’]) Reordering columns cols = list(df.columns.values) cols reindexed = [‘id’, …., ‘last_column_name’] reindexed_df = df.reindex(columns=reindexed) Create… Read More »
As I count down the days to the start of the Data Science course I’ve been reading a lot of blogs, books and watching a lot of YouTube & Udemy courses. Having not picked up a stats book for the last 15 years, it’s surprising how much I remember! OK, some of the granular detail… Read More »
There’s a moment of realisation you have at some point in your career whereby you truly believe the rest of the market is missing a trick. I had the chance to work with someone that fuelled my curiosity, while also hopefully me invigorating him and together we just thought differently. It turned out some of… Read More »
I’m getting to grips with RSpec for testing and getting to grips with some of it’s functionality. To play around with some of the features I’m building a side project of an employee database, nothing too fancy but just something that stores all the features of an employee, i.e. name, salary, email, location, phone number… Read More »
I always like to throw my app to heroku to test but battled with this error for a little while until I realised… I needed to run $ heroku run rake db:migrate I’m all good now:)
I was having trouble with bootstrap adapting to mobile as it was still rendering a full page on my iPhone. If you have the same issue with your smartphone not showing the responsive layout ensure you have the code below in your header. <meta name=”viewport” content=”width=device-width, initial-scale=1, maximum-scale=1″ />