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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...
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...
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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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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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 ...
cocoapods - 'pod install' takes forever
...rying to update the existing pods with pod install command, but it takes forever to run.
19 Answers
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Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
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I just fixed a similar issue on my system. You need to rebuild your install of Ruby 2.1.2 and it will re-link against the newly-updated SSL.
$ rbenv install 2.1.2
rbenv: /Users/ryan/.rbenv/versions/2.1.2 already exists
continue wit...
How does git compute file hashes?
... tree objects (as returned by git ls-tree ) do not match the SHA1 hashes of the file content (as returned by sha1sum )
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