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Rating Stats for

Roman Pekar

Rating
1553.33 (7,028th)
Reputation
74,450 (1,126th)
Page: 1 ... 9 10 11 12 13 ... 34
Title Δ
What is the best way to perform an operation on several DataFrames? 0.00
Creating a dataframe in pandas by multiplying two series together 0.00
Error when running SQL stored procedure coversion failed when conve... +0.38
Update a json item with another in postgres query 0.00
True constraint in sql +0.41
pass parameter in table valued function using select statement 0.00
Pandas: How do I make a dataframe manually calculate missing values... 0.00
Using isin() with 0.00
Populate a single SQL Server column with data from multiple columns... +1.33
Outputting a DataFrame instead of Series from a multiple return val... -0.36
How to set up a new value in pandas but keep the original data frame 0.00
Find intersecting values from repeating groups? -0.57
How Can I Display Parent-Child-GrandChild Relationship Without usin... 0.00
join with rows only which have maximum sequence number 0.00
select duplicate columns by inner join -0.12
Can pandas groupby aggregate into a list, rather than sum, mean, etc? -0.12
Summarize totals given multiple conditions +0.29
Pandas division (.div) with multiindex 0.00
Renaming Column Names in Pandas Groupby function 0.00
Pandas equivalent to SQL where 0.00
Merge with Unique filtered index 0.00
XML tag formation using sql query 0.00
sql query to join 2 tables efficiently -0.93
Pair XML Attribute and Other Attributes with Parent Attribute Value... 0.00
how to set values to rows of boolean filtered dataframe column -2.07
Divide two counts from one select +1.33
Select also zero-values while performing SELECT COUNT with GROUP BY 0.00
XML SQL query Output format issue +0.63
Adding the values of a series to a dataframe -2.46
Merge DataFrames in Pandas using the mean +0.57
Numeric compare of two xml nodes in SQL Server 0.00
Sql query to get number of customers according to joining date +0.36
SQL select from first table according to list of values from second... +1.28
Query matching patterns based on an offline table +2.20
Write subquery in xml.exist() +0.05
How to express integer using symbols + * () and 1 with minimal cost? -2.55
Numpy equivalent of if/else list comprehension 0.00
Checking if time ranges overlap in PostgreSQL without separate Star... 0.00
SQL Server stored procedures calls require variable declaration (bu... 0.00
Time series querying in Postgres +0.03
How do I display an item which is in the list multiple times? +2.03
Extracting numbers that include comma from a string, and convert it... -0.18
Pandas Pivot table, Dealing with Multiple Values in column -0.12
How to make optmizied SQL query to retrieve a number of records in... 0.00
SQL Grouping and concatenation 0.00
Selecting data based on status - sometimes a certain status must be... +0.38
SELECT all values between two values +2.03
PostgreSQL recursive sorting 0.00
How to query for null values in json field type postgresql? 0.00
Check if field exists in json type column postgresql 0.00