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How to get the host name of the current machine as defined in the Ansible hosts file?
I'm setting up an Ansible playbook to set up a couple servers. There are a couple of tasks that I only want to run if the current host is my local dev host, named "local" in my hosts file. How can I do this? I can't find it anywhere in the documentation.
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How do I convert a string to a double in Python?
I would like to know how to convert a string containing digits to a double.
3 Answers
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MySQL: Invalid use of group function
I am using MySQL. Here is my schema:
2 Answers
2
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How to select following sibling/xml tag using xpath
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How would I accomplish the nextsibling
and is there an easier way of doing
this?
You may use:
tr/td[@class='name']/following-sibling::td
but I'd rather use directly:
tr[td[@class='name'] ='Brand']/td[@class='desc']
This...
argparse module How to add option without any argument?
I have created a script using argparse .
2 Answers
2
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Accessing a class's constants
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What you posted should work perfectly:
class Foo
CONSTANT_NAME = ["a", "b", "c"]
end
Foo::CONSTANT_NAME
# => ["a", "b", "c"]
share
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Adding Xcode Workspace Schemes to Version Control
...that I've created with the other team members. However they are all stored under .xcodeproj > xcuserdata > .xcuserdatad > xcschemes. I've set xcuserdata folders to be ignore in SVN as I assumed all data in that folder were user specific.
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Why do I get “Procedure expects parameter '@statement' of type 'ntext/nchar/nvarchar'.” when I try t
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Sounds like you're calling sp_executesql with a VARCHAR statement, when it needs to be NVARCHAR.
e.g. This will give the error because @SQL needs to be NVARCHAR
DECLARE @SQL VARCHAR(100)
SET @SQL = 'SELECT TOP 1 * FROM sys.ta...
How to disable visual “dots” in Visual Studio Editor
How can I can disable the "dots" for spaces in Microsoft Visual Studio?
5 Answers
5
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What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic?
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If you want to build Java EE applications, it's best to use Eclipse IDE for Java EE. It has editors from HTML to JSP/JSF, Javascript. It's rich for webapps development, and provide plugins and tools to develop Java EE applications...