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In Jinja2, how do you test if a variable is undefined?
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From the Jinja2 template designer documentation:
{% if variable is defined %}
value of variable: {{ variable }}
{% else %}
variable is not defined
{% endif %}
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Check if a Windows service exists and delete in PowerShell
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238
You can use WMI or other tools for this since there is no Remove-Service cmdlet until Powershe...
Creating temporary files in bash
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Will Barnwell
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answered Jun 11 '12 at 15:20
kojirokojiro
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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
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2 Answers
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How can I use “” in javadoc without formatting?
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edited May 4 '12 at 20:19
Hernán Eche
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What should a Multipart HTTP request with multiple files look like? [duplicate]
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2 Answers
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Retrieve a single file from a repository
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21 Answers
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What is the difference between $(command) and `command` in shell programming?
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280
The backticks/gravemarks have been deprecated in favor of $() for command substitution because...
How to use ssh agent forwarding with “vagrant ssh”?
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I'm using vagrant 2 on OS X Mountain Lion.
Vagrant.configure("2") do |config|
config.ssh.private_key_path = "~/.ssh/id_rsa"
config.ssh.forward_agent = true
end
config.ssh.private_key_path is your local private key
Your private key must...
Do while loop in SQL Server 2008
Is there any method for implement do while loop in SQL server 2008?
5 Answers
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