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Strings in a DataFrame, but dtype is object
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The dtype object comes from NumPy, it describes the type of element in a ndarray. Every elemen...
Creating range in JavaScript - strange syntax
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Understanding this "hack" requires understanding several things:
Why we don't just do Array(5).map(...)
How Function.prototype.ap...
Choosing the default value of an Enum type without having to change values
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Converting an integer to a hexadecimal string in Ruby
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You can give to_s a base other than 10:
10.to_s(16) #=> "a"
Note that in ruby 2.4 FixNum and BigNum were unified in the Integer class.
If you are using an older ruby check the documentation of FixNum#to_s and BigNum#to_s
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What is the difference between .text, .value, and .value2?
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.Text gives you a string representing what is displayed on the screen for the cell. Using .Text ...
How to convert PascalCase to pascal_case?
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How to list only top level directories in Python?
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MongoDB - Update objects in a document's array (nested updating)
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For question #1, let's break it into two parts. First, increment any document that has "items.item_name" equal to "my_item_two". For this you'll have to use the positional "$" operator. Something like:
db.bar.update( {user_id : 123456...
.NET HttpClient. How to POST string value?
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edited Jan 13 '17 at 3:30
Todd Menier
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