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how do I insert a column at a specific column index in pandas?
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Tools for analyzing performance of a Haskell program
... like me: The time utility that Don mentioned in Time Profiles is just the Linux time program. It's not available in Windows . So for time profiling on Windows (anywhere actually), see this question.
– John Red
Oct 31 '15 at 5:13
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Pandas get topmost n records within each group
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...g functions. They are one-liners, similar to Lambda Expressions in Java or Python.
Example with no parameters
const queue = ['Dave', 'Sarah', 'Sharon'];
const nextCustomer = () => queue[0];
console.log(nextCustomer()); // 'Dave'
If multiple statements need to be made within the same Ar...
Inject errors into already validated form?
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This is incredibly non pythonic. How hard was it to implement form.errors['myfield'].append(my_error) or form.add_error('myfield', my_error)? To much room for error (no pun intended) in current implementation.
– Michael
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How line ending conversions work with git core.autocrlf between different operating systems
...ue does not depend on OS type but on Windows default value is true and for Linux - input. I explored 3 possible values for commit and checkout cases and this is the resulting table:
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Regular expression: find spaces (tabs/space) but not newlines
...included in \s for any implementation I've tried so far (Perl, .NET, PCRE, Python). You'll need to either normalize your strings first (such as by replacing all \u3000 with \u0020), or you'll have to use a character set that includes this codepoint in addition to whatever other whitespace you're ta...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...huge SQL query.
I saw elasticsearch recently and played with whoosh (a Python implementation of a search engine).
9 Ans...
Send message to specific client with socket.io and node.js
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I am Python/PHP programmer and I am new to sockets and node, question is, why do we need to increment seq number of same user each second? is that just for demo?
– Umair Ayub
Sep 11 '18 at 10...
How to skip “Loose Object” popup when running 'git gui'
...ia a tag such as next-20081204.
If you update the your local copy of the linux-next repository every day, you will accumulate a large number of these old branch tags.
If you then delete a whole series of them, and run git-gc, the operation will take quite a while, and the number of blocks and in...