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Variable interpolation in the shell
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Reading a huge .csv file
... dataframes for later concatenation
df_lst = []
# Iterate over the file based on the criteria and append to the list
for df_ in df_iter:
tmp_df = (df_.rename(columns={col: col.lower() for col in df_.columns}) # filter eg. rows where 'col_1' value grater than one
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Removing colors from output
... Changing the first ? out for * should help. Handling sgr0 is possible but based on a search it likely grows outside the scope of this hacky regex-based answer.
– Jeff Bowman
Feb 23 '16 at 18:37
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Should I URL-encode POST data?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Show loading image while $.ajax is performed
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Use the ajax object's beforeSend and complete functions. It's better to show the gif from insid...
PHP “php://input” vs $_POST
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In the final analysis, PHP would do well to update the base defaults. However, it is a logically fallacy to couple an HTTP request method with a data structure of the same name ($_GET, $_POST). What matters is (1) the desired HTTP request method, and (2) is there request data wit...
Understanding __get__ and __set__ and Python descriptors
...lue. So you could imagine using it to map an attribute to a field in a database, for example – a kind of ORM.
Another use might be refusing to accept a new value by throwing an exception in __set__ – effectively making the "attribute" read only.
What is instance and owner here? (in __get__)...
How to send an email from JavaScript
...eaking the news to you. You CAN'T send an email with JavaScript per se.
Based on the context of the OP's question, my answer above does not hold true anymore as pointed out by @KennyEvitt in the comments. Looks like you can use JavaScript as an SMTP client.
However, I have not digged deeper to f...
Java: Equivalent of Python's range(int, int)?
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Amir RachumAmir Rachum
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Which, if any, C++ compilers do tail-recursion optimization?
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