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python plot normal distribution
Given a mean and a variance is there a simple function call which will plot a normal distribution?
8 Answers
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Maximum single-sell profit
Suppose we are given an array of n integers representing stock prices on a single day. We want to find a pair (buyDay, sellDay) , with buyDay ≤ sellDay , such that if we bought the stock on buyDay and sold it on sellDay , we would maximize our profit.
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Global access to Rake DSL methods is deprecated
I am working through the Ruby on Rails 3 tutorial book and typed the following on the command line:
5 Answers
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Why is AJAX returning HTTP status code 0?
For some reason, while using AJAX (with my dashcode developed application) the browser just stops uploading and returns status codes of 0 . Why does this happen?
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UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
I've setup a UIRefreshControl in my UITableViewController (which is inside a UINavigationController) and it works as expected (i.e. pull down fires the correct event). However, if I programmatically invoke the beginRefreshing instance method on the refresh control like:
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Standardize data columns in R
I have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages.
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Regular expression for first and last name
For website validation purposes, I need first name and last name validation.
23 Answers
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Remove duplicate values from JS array [duplicate]
I have a very simple JavaScript array that may or may not contain duplicates.
54 Answers
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What does %~d0 mean in a Windows batch file?
I'm looking at a batch file which defines the following variables:
9 Answers
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Get path of executable
I know this question has been asked before but I still haven't seen a satisfactory answer, or a definitive "no, this cannot be done", so I'll ask again!
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