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How to get the last character of a string in a shell?
I have written the following lines to get the last character of a string:
8 Answers
8
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Remove columns from dataframe where ALL values are NA
I'm having trouble with a data frame and couldn't really resolve that issue myself:
The dataframe has arbitrary properties as columns and each row represents one data set .
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How to cherry pick only changes for only one file, not the whole commit
I need to apply changes introduced in one branch to another branch.
I can use cherry pick to do that. However, in my case I want to apply changes which are relevant only for one file, I don't need to cherry pick whole commit.
How to do that?
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
I'm using NLTK to perform kmeans clustering on my text file in which each line is considered as a document. So for example, my text file is something like this:
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In SQL, how can you “group by” in ranges?
Suppose I have a table with a numeric column (lets call it "score").
15 Answers
15
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MySQL “NOT IN” query
I wanted to run a simple query to throw up all the rows of Table1 where a principal column value is not present in a column in another table ( Table2 ).
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How to set TextView textStyle such as bold, italic
How to set TextView style (bold or italic) within Java and without using the XML layout?
27 Answers
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Change from SQLite to PostgreSQL in a fresh Rails project
I have a rails app that's databases are in SQLite (The dev and production). Since I am moving to heroku, I want to convert my database to PostgreSQL.
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Convert Int to String in Swift
I'm trying to work out how to cast an Int into a String in Swift.
22 Answers
22
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How to update Identity Column in SQL Server?
I have SQL Server database and I want to change the identity column because it started
with a big number 10010 and it's related with another table, now I have 200 records and I want to fix this issue before the records increases.
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