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How to form tuple column from two columns in Pandas
I've got a Pandas DataFrame and I want to combine the 'lat' and 'long' columns to form a tuple.
4 Answers
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How to get the pure text without HTML element using JavaScript?
I have the 1 button and some text in my HTML like the following:
10 Answers
10
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How can I disable logging of asset pipeline (sprockets) messages in Ruby on Rails 3.1?
...w works for Ruby on Rails 3.2 too (previous attempt fixes before_dispatch, and now we're going for the root rack call instead)
Update: A proper Rack middleware solution (instead of fragile alias_method_chain) from @macournoyer https://github.com/rails/rails/issues/2639#issuecomment-6591735
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How do I create an empty array/matrix in NumPy?
...t I would normally use a list. I want to create an empty array (or matrix) and then add one column (or row) to it at a time.
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Why charset names are not constants?
Charset issues are confusing and complicated by themselves, but on top of that you have to remember exact names of your charsets. Is it "utf8" ? Or "utf-8" ? Or maybe "UTF-8" ? When searching internet for code samples you will see all of the above. Why not just make them named constants and use ...
TypeScript function overloading
...ction 6.3 of the TypeScript language spec talks about function overloading and gives concrete examples on how to implement this. However if I try something like this:
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How do I seed a random class to avoid getting duplicate random values [duplicate]
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You should not create a new Random instance in a loop. Try something like:
var rnd = new Random();
for(int i = 0; i < 100; ++i)
Console.WriteLine(rnd.Next(1, 100));
The sequence of random numbers generated by a single Random instance is suppose...
Enum type constraints in C# [duplicate]
... 's? I'm sure there is a method behind the madness, but I'd like to understand why it's not possible.
6 Answers
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How to reset a single table in rails?
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In case anyone tried this and got an error, I did ActiveRecord::Base.connection.execute("DELETE from 'yourtablename'") and it worked because it would give me an error that said sqlite_sequence where name = 'yourtablename' is not a valid table name or ...
Difference Between Invoke and DynamicInvoke
What is the difference between Invoke and DynamicInvoke in delegates? Please give me some code example which explain difference between that two methods.
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