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Creating a dictionary from a csv file?

I am trying to create a dictionary from a csv file. The first column of the csv file contains unique keys and the second column contains values. Each row of the csv file represents a unique key, value pair within the dictionary. I tried to use the csv.DictReader and csv.DictWriter classes, but I...
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How to use Checkbox inside Select Option

... You cannot place checkbox inside select element but you can get the same functionality by using HTML, CSS and JavaScript. Here is a possible working solution. The explanation follows. Code: var expanded = false; function showCheckboxes() { var checkboxes = document.getElementById("...
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Git branch diverged after rebase

... When you rebase a branch, you have to rewrite the commits for any commit which is above the commits in the branch onto which you are rebasing. This is because one of the properties of a commit is its parent (or parents). When you rebase, you're changing the parent of the oldest loca...
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How to format a number as percentage in R?

One of the things that used to perplex me as a newby to R was how to format a number as a percentage for printing. 10 Answe...
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How to automatically start a service when running a docker container?

I have a Dockerfile to install MySQL server in a container, which I then start like this: 11 Answers ...
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

Why do Scala and frameworks like Spark and Scalding have both reduce and foldLeft ? So then what's the difference between reduce and fold ? ...
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Storing Python dictionaries

I'm used to bringing data in and out of Python using CSV files, but there are obvious challenges to this. Are there simple ways to store a dictionary (or sets of dictionaries) in a JSON or pickle file? ...
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Merge (with squash) all changes from another branch as a single commit

In Git, is there a way to merge all changes from one branch into another, but squash to a single commit at the same time? ...
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Measuring text height to be drawn on Canvas ( Android )

Any straight forward way to measure the height of text? The way I am doing it now is by using Paint's measureText() to get the width, then by trial and error finding a value to get an approximate height. I've also been messing around with FontMetrics , but all these seem like approximate methods ...
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cocoapods - 'pod install' takes forever

...rying to update the existing pods with pod install command, but it takes forever to run. 19 Answers ...