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Check if an apt-get package is installed and then install it if it's not on Linux
I'm working on a Ubuntu system and currently this is what I'm doing:
22 Answers
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how does multiplication differ for NumPy Matrix vs Array classes?
The numpy docs recommend using array instead of matrix for working with matrices. However, unlike octave (which I was using till recently), * doesn't perform matrix multiplication, you need to use the function matrixmultipy(). I feel this makes the code very unreadable.
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How to include (source) R script in other scripts
I've created a utility R script, util.R, which I want to use from other scripts in my project.
What is the proper way to ensure that the function this script defines are available to function in my other scripts?
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Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
Hi I was writing a program that imports private keys from a .pem file and create a private key object to use it later..
the problem I have faced is that some pem files header begin with
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Can I use my existing git repo with openshift?
Is it necessary to have git repo on openshift only? I already have bitbucket / github git repo and would prefer to push there only. Can I simply hook into it so that openshift gets intimation ?
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How to prevent buttons from submitting forms
In the following page, with Firefox the remove button submits the form, but the add button does not.
17 Answers
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How to organize a node app that uses sequelize?
I am looking for an example nodejs app that uses the sequelize ORM.
10 Answers
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How to convert an enum type variable to a string?
How to make printf to show the values of variables which are of an enum type? For instance:
33 Answers
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What is the difference between square brackets and parentheses in a regex?
Here is a regular expression I created to use in JavaScript:
3 Answers
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Flex-box: Align last row to grid
I have a simple flex-box layout with a container like:
27 Answers
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