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Entity framework code-first null foreign key
I have a User < Country model. A user belongs to a country, but may not belong to any (null foreign key).
4 Answers
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How do I activate a virtualenv inside PyCharm's terminal?
I've set up PyCharm, created my virtualenv (either through the virtual env command, or directly in PyCharm) and activated that environment as my Interpreter. Everything is working just fine.
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Simple Vim commands you wish you'd known earlier [closed]
I'm learning new commands in Vim all the time, but I'm sure everyone learns something new once in a while. I just recently learned about this:
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Setting PATH environment variable in OSX permanently
I have read several answers on how to set environmental variables on OSX as permanently.
6 Answers
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Install NPM into home directory with distribution nodejs package (Ubuntu)
I'd like to use the distribution Node.js packages (or the chris-lea ppa for more recent releases) but install NPM to my home directory.
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composer: How to find the exact version of a package?
Suppose I'm writing a library A, that depends on another library, monolog for instance.
5 Answers
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PowerShell and the -contains operator
Consider the following snippet:
4 Answers
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Xcode 4, Core Data Model Version - Set Current Version
I'm confused about how to perform the following function in Xcode 4 to set the model to use after creating a versioned model.
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How to set the width of a cell in a UITableView in grouped style
I have been working on this for about 2 days, so i thought i share my learnings with you.
7 Answers
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Elegant way to check for missing packages and install them?
I seem to be sharing a lot of code with coauthors these days. Many of them are novice/intermediate R users and don't realize that they have to install packages they don't already have.
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