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Is a Python dictionary an example of a hash table?
One of the basic data structures in Python is the dictionary, which allows one to record "keys" for looking up "values" of any type. Is this implemented internally as a hash table? If not, what is it?
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Swapping two variable value without using third variable
One of the very tricky questions asked in an interview.
27 Answers
27
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Creating functions in a loop
I'm trying to create functions inside of a loop:
2 Answers
2
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Overload constructor for Scala's Case Classes?
In Scala 2.8 is there a way to overload constructors of a case class?
2 Answers
2
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Remove not alphanumeric characters from string
I want to convert the following string to the provided output.
7 Answers
7
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What's the opposite of chr() in Ruby?
In many languages there's a pair of functions, chr() and ord() , which convert between numbers and character values. In some languages, ord() is called asc() .
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Determine if an object property is ko.observable
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4 Answers
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How to show SQL queries run in the Rails console?
When I run queries (e.g. MyModel.where(...) or record.associated_things ) in the console, how can I see the actual database queries being run so I can gain more understanding of what is happening?
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Reading file contents on the client-side in javascript in various browsers
I'm attempting to provide a script-only solution for reading the contents of a file on a client machine through a browser.
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