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Safely limiting Ansible playbooks to a single machine?
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13 Answers
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Any reason not to use '+' to concatenate two strings?
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122
There is nothing wrong in concatenating two strings with +. Indeed it's easier to read than ''...
Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
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See https://polarssl.org/kb/cryptography/asn1-key-structures-in-der-and-pem (search the page f...
Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
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Create an environment.plist file in ~/Library/LaunchAgents/ with this content:
<?xml versi...
Insert into a MySQL table or update if exists
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How to implement a queue using two stacks?
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Keep 2 stacks, let's call them inbox and outbox.
Enqueue:
Push the new element onto inbox
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undefined reference to boost::system::system_category() when compiling
I'm trying to compile a program on Ubuntu 11.10 that uses the Boost libraries. I have the 1.46-dev Boost libraries from the Ubuntu Repository installed, but I get an error when compiling the program.
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How can query string parameters be forwarded through a proxy_pass with nginx?
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From the proxy_pass documentation:
A special case is using variables in the proxy_pass sta...
How to delete multiple buffers in Vim?
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You can use <C-a> to complete all matches. So if you type :bd *.xml and then hit <C-a...