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Unit testing code with a file system dependency
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There's really nothing wrong with this, it's just a question of whether you call it a unit test or an integration test. You just have to make sure that if you do interact with the file system, there are no unintended side effects. Sp...
One-liner to recursively list directories in Ruby?
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Dir.glob("**/*/") # for directories
Dir.glob("**/*") # for all files
Instead of Dir.glob(foo) you can also write Dir[foo] (however Dir.glob can also take a block, in which case it will yield each path instead of creating an array).
Ruby Glob Docs
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When is it better to use String.Format vs string concatenation?
I've got a small piece of code that is parsing an index value to determine a cell input into Excel. It's got me thinking...
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What is the difference between the kernel space and the user space?
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The really simplified answer is that the kernel runs in kernel space, and normal programs run in user space. User space is basically a form of sand-boxing -- it restricts user programs so they can't mess with memory (and other reso...
How to use git merge --squash?
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Say your bug fix branch is called bugfix and you want to merge it into master:
git checkout master
git merge --squash bugfix
git commit
This will take all the commits from the bugfix branch, squash them into 1 commit, and merge it with your master bran...
What is the purpose of `text=auto` in `.gitattributes` file?
...f form:
pattern attr1 attr2 ...
So here, the pattern is *, which means all files, and the attribute is text=auto.
What does text=auto do? From the documentation:
When text is set to "auto", the path is marked for automatic end-of-line normalization. If Git decides that the content is text, ...
What are good grep tools for Windows? [closed]
Any recommendations on grep tools for Windows? Ideally ones that could leverage 64-bit OS.
28 Answers
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How to install Boost on Ubuntu
I'm on Ubuntu, and I want to install Boost. I tried with
7 Answers
7
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How to configure Ruby on Rails with no database?
It would be convenient to use Ruby on Rails for a small website project that has no current need for a database. I know I could create an empty database in MySQL and go from there, but does anyone know a better way to run Rails without a database?
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PostgreSQL: Drop PostgreSQL database through command line [closed]
...ype of activity is currently taking place against your database, including all idle processes.
SELECT * FROM pg_stat_activity WHERE datname='database name';
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