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Combining two Series into a DataFrame in pandas

...e (non-consecutive) indices. How do I combine s1 and s2 to being two columns in a DataFrame and keep one of the indices as a third column? ...
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How to convert a string to lower or upper case in Ruby

How do I take a string and convert it to lower or upper case in Ruby? 11 Answers 11 ...
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Do I need to close() both FileReader and BufferedReader?

I'm reading a local file using a BufferedReader wrapped around a FileReader: 9 Answers ...
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How to disable an input type=text?

I want to disable writing in an input field of type text using JavaScript, if possible. The input field is populated from a database; that is why I don't want the user to modify its value. ...
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What does a lazy val do?

...hread.sleep(2000); 13 } } defined class Y scala> new X res5: X = X@262505b7 // we have to wait two seconds to the result scala> new Y res6: Y = Y@1555bd22 // this appears immediately Here, when the values x and y are never used, only x unnecessarily wasting resources. If we suppose that y ...
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Linux command to print directory structure in the form of a tree

Is there any linux command that I can call from a Bash script that will print the directory structure in the form of a tree, e.g., ...
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How do you specify a byte literal in Java?

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What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate

... Konrad Krakowiak 11.4k1010 gold badges5050 silver badges4444 bronze badges answered Feb 21 '15 at 18:02 Bilal BBBBilal BBB ...
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SQL Server SELECT INTO @variable?

I have the following code in one of my Sql (2008) Stored Procs which executes perfectly fine: 7 Answers ...
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How can I create a Makefile for C projects with SRC, OBJ, and BIN subdirectories?

A few months ago, I came up with the following generic Makefile for school assignments: 3 Answers ...