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How do I find the duplicates in a list and create another list with them?
How can I find the duplicates in a Python list and create another list of the duplicates? The list only contains integers.
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How do you match only valid roman numerals with a regular expression?
Thinking about my other problem , i decided I can't even create a regular expression that will match roman numerals (let alone a context-free grammar that will generate them)
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Regex replace uppercase with lowercase letters
I'm trying to replace uppercase letters with corresponding lowercase letters using regex.
So that
6 Answers
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How can I count the occurrences of a list item?
Given an item, how can I count its occurrences in a list in Python?
25 Answers
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What do Clustered and Non clustered index actually mean?
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@JohnOrtizOrdoñez: Sure, you can use almost any that's stored in-row, so no XML, VARCHAR(MAX), or VARBINARY(MAX). Note that it usually makes sense to cluster on the date field first, as a clustered index is most efficient for range scans...
remove None value from a list without removing the 0 value
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How do I reset a sequence in Oracle?
In PostgreSQL , I can do something like this:
18 Answers
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How to create a cron job using Bash automatically without the interactive editor?
...r creating cron jobs without using the editor (crontab -e). If so, What would be the code create a cronjob from a Bash script?
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How do I get textual contents from BLOB in Oracle SQL
I am trying to see from an SQL console what is inside an Oracle BLOB.
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