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How do I tidy up an HTML file's indentation in VI?
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From chovy.com/web-development/fix-indentation-and-tabs-in-vim found that I needed to reload the file with :e after filetype indent on.
– Marc Stober
May 17 '12 at 1:06
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How do I read the first line of a file using cat?
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+1. you only need the head not the whole cat :P (the command tail is part of the bash pun too)
– SparK
Feb 17 '14 at 18:54
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
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I would recommend to debug and find which constraint is "the one you don't want". Suppose you have following issue:
Always the problem is how to find following Constraints and Views.
There are two solutions how to do this:
DEBUG ...
What is a “bundle” in an Android application
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How to empty a Heroku database
...tabase with your seed data:
$ heroku run rake db:seed
---OR---
You can combine the last two (migrate & seed) into one action by executing this:
$ heroku run rake db:setup
Edit 2014-04-18: rake db:setup doesn't work with Rails 4, it fails with a Couldn't create database error.
Edit 2014-1...
Python equivalent of D3.js
Can anyone recommend a Python library that can do interactive graph visualization?
15 Answers
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How to change the author and committer name and e-mail of multiple commits in Git?
I was writing a simple script in the school computer, and committing the changes to Git (in a repo that was in my pendrive, cloned from my computer at home). After several commits I realized I was committing stuff as the root user.
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Comment Inheritance for C# (actually any language)
...erited, it tries to create a description out of the name.
FlingThing() becomes "Flings the Thing"
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How can I get the active screen dimensions?
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You're welcome. My apologies for not getting straight to the answer - I had to investigate what was available in WPF before I updated my post.
– Jeff Yates
Nov 3 '08 at 18:37
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Integrating the ZXing library directly into my Android application
...he ZXing source from ZXing homepage and extract it
With the use of Windows Commandline (Run->CMD) navigate to the root directory of the downloaded zxing src.
In the commandline window - Type ant -f core/build.xml press enter and let Apache work it's magic [having issues?]
Enter Eclipse -> new ...