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What's the best way to check if a file exists in C?
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T-SQL: Deleting all duplicate rows but keeping one [duplicate]
I have a table with a very large amount of rows. Duplicates are not allowed but due to a problem with how the rows were created I know there are some duplicates in this table.
I need to eliminate the extra rows from the perspective of the key columns. Some other columns may have slightly different...
python-pandas and databases like mysql
The documentation for Pandas has numerous examples of best practices for working with data stored in various formats.
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Git cherry pick vs rebase
I have recently started working with Git.
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How to 'grep' a continuous stream?
Is that possible to use grep on a continuous stream?
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How to initialize const member variable in a class?
When I am trying to initialize the const member variable t with 100. But it's giving me the following error:
11 Answers
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How to grep for two words existing on the same line? [duplicate]
How do I grep for lines that contain two input words on the line? I'm looking for lines that contain both words, how do I do that? I tried pipe like this:
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What is the relative performance difference of if/else versus switch statement in Java?
Worrying about my web application's performances, I am wondering which of "if/else" or switch statement is better regarding performance?
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convert '1' to '0001' in JavaScript [duplicate]
How can I convert convert '1' to '0001' in JavaScript without using any 3rd party libraries. I have done this in php using spritf: $time = sprintf('%04.0f',$time_arr[$i]);
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