StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Rating Stats for

Roman Pekar

Rating
1553.33 (7,028th)
Reputation
74,450 (1,126th)
Page: 1 ... 4 5 6 7 8 ... 34
Title Δ
How to groupby an index as well as a column in pandas 0.00
finding the sum in matrix element neighbour +1.26
fillter a list in python -0.76
Pandas. Groupby multiple columns, then attach a calculated column t... 0.00
python pandas - sumf if rolling arguments -0.13
Python Pandas: concatenate rows with unique values 0.00
force pandas to read nan as string 0.00
Finding maximum value of group of rows POSTGRESQL +0.35
How to ensure the SQL is able to read all XML tag data -0.12
Setting variable SQL Procedure +1.48
DISTINCT ON with wrong output -0.29
SQL query to retrive value from XMl xolumn 0.00
Does SQL guarantee that the results of a join will be grouped toget... 0.00
Overlapping periods - Merging in a continous time series 0.00
Postgresql group month wise with missing values +1.80
What does a SELECT statement without FROM used for? -1.24
Postgresql LEFT JOIN json_agg() ignore/remove NULL +1.17
How to add a extra column at runtime in SQL Server -0.59
SQL: Use table from table valued function -0.23
SQL Count Without Grouping? -0.17
Xml to Database 0.00
sql query to return record that has no duplicate record in same table +0.82
Update based on Row number 0.00
Union column value into one row +0.38
Get records where json column key is null -0.43
pgsql 1 to n relation into json 0.00
Ordering query Crosstab Postgres 0.00
How to make GROUP BY as a parameter without using CASE WHEN? +2.14
PostgreSQL: Get elapsed amount between integers 0.00
Query for retrieving columns with null value -1.37
Can you cherry pick a column value from a table returned by a funct... -0.37
Merging columns of a record in a query 0.00
How to split the array and store into respected columns of table in... 0.00
Find minimum of date value from a table +0.35
Inserting the data at a time in 3 tables using an array into Postgr... 0.00
Selecting and deleting columns with the same name in pandas DataFrame +1.59
SQL Server : FOR XML sorting control by attribute 0.00
T-SQL, Load XML data into a local variable -0.12
pandas and csv how to create csv as a string without saving 0.00
python pandas transforming dataframe -2.35
Pandas - Replace Integers with Floats 0.00
Parsing XML to Columns using SQL Server 0.00
How to Update with a Self join? 0.00
Raise exception if XML element does not exist +1.34
How to parse XML attribute using MS SQL +1.29
Concatenating dataframes by index/columns elements 0.00
How to delete minority rows from a pandas data frame? 0.00
Pandas Missing Data 0.00
Postgres "group by" on aggregate function(s) 0.00
Renaming index and columns (pandas) 0.00