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Uninstall old versions of Ruby gems
...rvm/gems/ruby-2.1.1@project/cache/nokogiri-1.6.6.2.gem
For more detail:
http://blog.grepruby.com/2015/04/way-to-clean-up-gem-or-remove-old.html
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How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
...
http://jeremy.zawodny.com/blog/archives/010717.html :
#!/bin/bash
FAIL=0
echo "starting"
./sleeper 2 0 &
./sleeper 2 1 &
./sleeper 3 0 &
./sleeper 2 0 &
for job in `jobs -p`
do
echo $job
wait $job || ...
Rails 3 datatypes?
...nto a column.
I hope that helps someone! Also, here's the official list: http://guides.rubyonrails.org/migrations.html#supported-types
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Why does installing Nokogiri on Mac OS fail with libiconv is missing?
...libxml2, which in my case, it couldn't.
So I followed the instructions on http://nokogiri.org/tutorials/installing_nokogiri.html under the Homebrew section (slightly modified to account for a more current version of libxml2):
brew install libxml2
brew link libxml2
# install libxslt from source
wg...
Firefox session cookies
...
This is apparently by design. Check out this Bugzilla bug:
https://bugzilla.mozilla.org/show_bug.cgi?id=443354
Firefox has a feature where you close Firefox and it offers to save all your tabs, and then you restore the browser and those tabs come back. That's called session restore....
How do I copy SQL Azure database to my local development server?
...s script on your local database.
Method #3 is described in the Blog here: http://dacguy.wordpress.com/2012/01/24/sql-azure-importexport-service-has-hit-production/. There is a video clip with the process of transferring DB contents to Azure Blob storage as BACPAC. After that you can copy the file l...
Check if user is using IE
...cko) Chrome/64.0.3282.140 Safari/537.36 Edge/18.17730
Test at CodePen:
http://codepen.io/gapcode/pen/vEJNZN
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ASP.NET Web API OperationCanceledException when browser cancels the request
...jax requests complete, the requests are canceled by the browser. Our ELMAH HttpModule then logs two errors for each canceled request:
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Refresh all files in buffer from disk in vim
...cepted answer; :bufdo turns off syntax highlighting by design.
Found via: http://vim.1045645.n5.nabble.com/Bug-report-bufdo-e-breaking-syntax-highlighting-on-displayed-buffers-tp1209995p1209998.html
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How to create a self-signed certificate with OpenSSL
I'm adding HTTPS support to an embedded Linux device. I have tried to generate a self-signed certificate with these steps:
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