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Why were pandas merges in python faster than data.table merges in R in 2012?
I recently came across the pandas library for python, which according to this benchmark performs very fast in-memory merges. It's even faster than the data.table package in R (my language of choice for analysis).
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Singular or plural controller and helper names in Rails
Is there any disadvantage to using singular names for controllers and helpers? Nothing seems to rely on this. It even seems helpers don't have to make the same choice about singular vs. plural as their corresponding controllers, at least according to my limited experimentation. Is that true?
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python: how to identify if a variable is an array or a scalar
...supports a tuple of classes, check type(x) in (..., ...) should be avoided and is unnecessary.
You may also wanna check not isinstance(x, (str, unicode))
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How to prepare a Unity project for git? [duplicate]
... eg. github? I don't want to store unnecessary files (specially temp files and avoid binary formats as much as possible).
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Detect the Internet connection is offline?
...etermine that the connection is lost by making failed XHR requests.
The standard approach is to retry the request a few times. If it doesn't go through, alert the user to check the connection, and fail gracefully.
Sidenote: To put the entire application in an "offline" state may lead to a lot of ...
What LaTeX Editor do you suggest for Linux? [closed]
...X (texmakerx.sourceforge.net) which is mainly TeXMaker with spell checking and some other features.
– ubuntudroid
Jan 8 '11 at 13:39
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How can I clone an SQL Server database on the same server in SQL Server 2008 Express?
...r 2008 Express system which contains a database that I would like to 'copy and rename' (for testing purposes) but I am unaware of a simple way to achieve this.
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What is NSLayoutConstraint “UIView-Encapsulated-Layout-Height” and how should I go about forcing it
I have a UITableView running under iOS 8 and I'm using automatic cell heights from constraints in a storyboard.
17 Answer...
elasticsearch v.s. MongoDB for filtering application [closed]
... architectural choice prior to delving into the details of experimentation and implementation. It's about the suitability, in scalability and performance terms, of elasticsearch v.s. MongoDB, for a somewhat specific purpose.
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How to calculate moving average without keeping the count and data-total?
...d a way to calculate a moving cumulative average without storing the count and total data that is received so far.
8 Answer...