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add a string prefix to each value in a string column using Pandas
I would like to append a string to the start of each value in a said column of a pandas dataframe (elegantly).
I already figured out how to kind-of do this and I am currently using:
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How do I enumerate the properties of a JavaScript object? [duplicate]
How do I enumerate the properties of a JavaScript object?
14 Answers
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JavaScript: Passing parameters to a callback function
I'm trying to pass some parameter to a function used as callback, how can I do that?
13 Answers
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How to improve performance of ngRepeat over a huge dataset (angular.js)?
I have a huge dataset of several thousand rows with around 10 fields each, about 2MBs of data. I need to display it in the browser. Most straightforward approach (fetch data, put it into $scope , let ng-repeat="" do its job) works fine, but it freezes the browser for about half of a minute when i...
jQuery or javascript to find memory usage of page
Is there a way to find out how much memory is being used by a web page, or by my jquery application?
10 Answers
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How to generate random number with the specific length in python
Let say I need a 3 digit number, so it would be something like:
8 Answers
8
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Loop through an array in JavaScript
In Java you can use a for loop to traverse objects in an array as follows:
40 Answers
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When to add what indexes in a table in Rails
I have a question about Rails database.
3 Answers
3
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How can I recover the return value of a function passed to multiprocessing.Process?
In the example code below, I'd like to recover the return value of the function worker . How can I go about doing this? Where is this value stored?
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How to avoid “if” chains?
Assuming I have this pseudo-code:
50 Answers
50
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