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Big-O summary for Java Collections Framework implementations? [closed]
I may be teaching a "Java crash-course" soon. While it is probably safe to assume that the audience members will know Big-O notation, it is probably not safe to assume that they will know what the order of the various operations on various collection implementations is.
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Plot correlation matrix into a graph
I have a matrix with some correlation values. Now I want to plot that in a graph that looks more or less like that:
11 Answ...
How do you round a number to two decimal places in C#?
I want to do this using the Math.Round function
15 Answers
15
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Double decimal formatting in Java
I'm having some problems formatting the decimals of a double. If I have a double value, e.g. 4.0, how do I format the decimals so that it's 4.00 instead?
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How do I get current URL in Selenium Webdriver 2 Python?
I'm trying to get the current url after a series of navigations in Selenium. I know there's a command called getLocation for ruby, but I can't find the syntax for Python.
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Indexes of all occurrences of character in a string
The following code will print 2
14 Answers
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parseInt vs unary plus, when to use which?
What are the differences between this line:
5 Answers
5
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How do I use LINQ Contains(string[]) instead of Contains(string)
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spoulson has it nearly right, but you need to create a List<string> from string[] first. Actually a List<int> would be better if uid is also int. List<T> supports Contains(). Doing uid.ToString().Contains(string[]) would imply that the uid as a string contains all of t...
Join between tables in two different databases?
In MySQL, I have two different databases -- let's call them A and B .
4 Answers
4
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How to hash a string into 8 digits?
Is there anyway that I can hash a random string into a 8 digit number without implementing any algorithms myself?
4 Answers...