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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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“Bitmap too large to be uploaded into a texture”
I'm loading a bitmap into an ImageView, and seeing this error. I gather this limit relates to a size limit for OpenGL hardware textures (2048x2048). The image I need to load is a pinch-zoom image of about 4,000 pixels high.
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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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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 ...
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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Python List vs. Array - when to use?
...y, you can implement it as a List, or else use the 'array' module in the standard library. I have always used Lists for 1d arrays.
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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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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.
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What is the meaning of prepended double colon “::”?
...wered Nov 24 '10 at 16:27
Wyatt AndersonWyatt Anderson
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How to write the Fibonacci Sequence?
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There is lots of information about the Fibonacci Sequence on wikipedia and on wolfram. A lot more than you may need. Anyway it is a good thing to learn how to use these resources to find (quickly if possible) what you need.
Write Fib sequence formula to infinite
In math, it's given in a recurs...