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How to succinctly write a formula with many variables from a data frame?
Suppose I have a response variable and a data containing three covariates (as a toy example):
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How to check version of python modules?
I just installed the python modules: construct and statlib with setuptools like this:
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Why should the Gradle Wrapper be committed to VCS?
From Gradle's documentation: https://docs.gradle.org/current/dsl/org.gradle.api.tasks.wrapper.Wrapper.html
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Removing the fragment identifier from AngularJS urls (# symbol)
Is it possible to remove the # symbol from angular.js URLs?
14 Answers
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Convert a 1D array to a 2D array in numpy
I want to convert a 1-dimensional array into a 2-dimensional array by specifying the number of columns in the 2D array. Something that would work like this:
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Get context of test project in Android junit test case
Does anyone know how can you get the context of the Test project in Android junit test case (extends AndroidTestCase).
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Importing variables from another file?
How can I import variables from one file to another?
8 Answers
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Method to Add new or update existing item in Dictionary
In some legacy code i have see the following extension method to facilitate adding a new key-value item or updating the value, if the key already exists.
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
What is the best way to find records with duplicate values across multiple columns using Postgres, and Activerecord?
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Is there a standard naming convention for git tags? [closed]
I've seen a lot of projects using v1.2.3 as the naming convention for tags in git. I've also seen some use 1.2.3 . Is there an officially endorsed style, or are there any good arguments for using either?
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