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Ruby, Difference between exec, system and %x() or Backticks
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Rollback to last git commit
...O local file changes and REMOVE your last commit
git reset --hard HEAD^
3) KEEP local file changes and REMOVE your last commit
git reset --soft HEAD^
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What is the difference between build.sbt and build.scala?
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Global access to Rake DSL methods is deprecated
I am working through the Ruby on Rails 3 tutorial book and typed the following on the command line:
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Increment a value in Postgres
...able 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total to 204?
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How can Bash execute a command in a different directory context?
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You can use the cd builtin, or the pushd and popd builtins for this purpose. For example:
# do...
How to set a single, main title above all the subplots with Pyplot?
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Print variables in hexadecimal or decimal format
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Comma separator for numbers in R?
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You can try either format or prettyNum, but both functions return a vector of characters. I'd o...
Convert HttpPostedFileBase to byte[]
...et.ToArray();
It's easy enough to write the equivalent of CopyTo in .NET 3.5 if you want. The important part is that you read from HttpPostedFileBase.InputStream.
For efficient purposes you could check whether the stream returned is already a MemoryStream:
byte[] data;
using (Stream inputStream ...