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Checking if a string can be converted to float in Python
I've got some Python code that runs through a list of strings and converts them to integers or floating point numbers if possible. Doing this for integers is pretty easy
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Convert list to tuple in Python
I'm trying to convert a list to a tuple.
6 Answers
6
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What columns generally make good indexes?
As a follow up to " What are indexes and how can I use them to optimise queries in my database? " where I am attempting to learn about indexes, what columns are good index candidates? Specifically for an MS SQL database?
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How do I hide javascript code in a webpage?
Is it possible to hide the Javascript code from the html of a webpage, when the source code is viewed through the browsers View Source feature?
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What is the best way to count “find” results?
My current solution would be find <expr> -exec printf '.' \; | wc -c , but this takes far too long when there are more than 10000 results. Is there no faster/better way to do this?
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mysql :: insert into table, data from another table?
I was wondering if there is a way to do this purely in sql:
5 Answers
5
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std::shared_ptr of this
I am currently trying to learn how to use smart pointers. However while doing some experiments I discovered the following situation for which I could not find a satifying solution:
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What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?
Does the virtual keyword has an effect when used on the properties in EF Code First?. Can someone describe all of its ramifications in different situations?
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How to do a simple file search in cmd
I want to quickly search for a file given its name or part of its name, from the windows command line (not power shell). This is similar to opening explorer and using the search box at the top.
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PostgreSQL: Difference between text and varchar (character varying)
What's the difference between the text data type and the character varying ( varchar ) data types?
9 Answers
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