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What is a lambda expression in C++11?
What is a lambda expression in C++11? When would I use one? What class of problem do they solve that wasn't possible prior to their introduction?
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How do I run a Python program in the Command Prompt in Windows 7?
I'm trying to figure out how to run Python programs with the Command Prompt on Windows 7. (I should have figured this out by now...)
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How can I get dictionary key as variable directly in Python (not by searching from value)?
...ut my searches on this are not turning up anything other than how to get a dictionary's key based on its value which I would prefer not to use as I simply want the text/name of the key and am worried that searching by value may end up returning 2 or more keys if the dictionary has a lot of entries.....
Label encoding across multiple columns in scikit-learn
I'm trying to use scikit-learn's LabelEncoder to encode a pandas DataFrame of string labels. As the dataframe has many (50+) columns, I want to avoid creating a LabelEncoder object for each column; I'd rather just have one big LabelEncoder objects that works across all my columns of data. ...
Create a new Ruby on Rails application using MySQL instead of SQLite
...eate my Rails application with MySQL, because I like it so much. How can I do that in the latest version of Rails instead of the default SQLite?
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How to get the list of files in a directory in a shell script?
I'm trying to get the contents of a directory using shell script.
10 Answers
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Get current batchfile directory
Firstly, I saw this topic but I couldn't understand that.
4 Answers
4
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Mongoimport of json file
I have a json file consisting of about 2000 records. Each record which will correspond to a document in the mongo database is formatted as follows:
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How to calculate time in hours between two dates in iOS
How can I calculate the time elapsed in hours between two times (possibly occurring on different days) in iOS?
5 Answers
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How to split a string, but also keep the delimiters?
I have a multiline string which is delimited by a set of different delimiters:
23 Answers
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