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Marlin Pierce

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1490.96 (4,400,161st) 		Reputation
7,783 (20,337th)
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Title Δ
Speed up database query using difference between 2 columns: created... 0.00
Counting parents types where all children are only of a particular... 0.00
How to select data but without similar times? -1.08
MySQL select all, having one column DISTINCT whilst also returning... 0.00
MySQL GROUP BY with Using Temporary unnecessarily? 0.00
Declaring all variables as pointers vs. using address operators in C -0.88
change #define value based on user input +0.09
Rails 5: Nested routes without a controller 0.00
How to get the average time between multiple dates -0.54
How to find the average of columns across tables? 0.00
SELECT where with multiple conditions in ONE query 0.00
SQL excluding rows using INNER JOINs throws error: expected 'UD... 0.00
Reverse words without reversing each character 0.00
SQL violation adding foreign key, Laravel 0.00
Get last row of parent table -1.53
How can I condense the following 3 queries into one? +1.93
MIn hour of every hour 0.00
SQL Server : matching records based on 3 tables 0.00
PostgreSQL | How to store user answers in survey? +0.28
How do I pass a 2D array into a function with unknown size in C? -1.06
SQL query to filter for 10+ million values 0.00
Perfect Forwarding - question about const and non-const ref 0.00
delete duplicates(leaving one if it meets the criteria) +0.44
How to use onchange in ruby form? -0.49
Order by a date of the first hasMany child of a model +0.05
Undefined method model_name_url in if there's no show 0.00
Rails 4.1 route path helper using incorrect id in path generation 0.00
divide a monthly cost by the number of month left in the year and s... +1.17
Update all values with specific URL to another URL in all the tables 0.00
Interacting with two models - generating api ruby on rails 0.00
Delete multiple tables in a single query with join in rails 5 0.00
How to left outer joins with conditions +0.01
Needs a different set of data when override as json rails 5.2 -0.02
Rails - Self joins with ancestry, possible to have nested routes an... 0.00
Why am I getting this error when mysql2 is required in production o... -1.29
Change local Ruby variable with Ajax in Ruby on Rails 0.00
Rails - Optimizing the queries -0.18
Square brackets in ActiveRecord::Migration class name? 0.00
How do I display posts based on the users information using some so... +0.02
How to create zero or one to many relationship using sql +1.81
How to filter by params and user input in Rails +0.42
Rails many to many relationship confusion -0.48
FactoryBot - Override association with trait 0.00
change url name in rails -0.63
How to implement multiple associations between models? +0.53
SQL: Group BY in Union Vs Group BY in Union All -0.09
Rails requests in all apartment subdomains 0.00
when i was pass empty value in params all my datas are showed in ra... +0.52
Database do I need to de-normalize a related field? 0.00
Error in custom uniqueness validation for rspec 0.00