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How to run only one task in ansible playbook?
...e for this reason.
Example:
tasks:
- yum: name={{ item }} state=installed
with_items:
- httpd
- memcached
tags:
- packages
- template: src=templates/src.j2 dest=/etc/foo.conf
tags:
- configuration
If you wanted to just run the “co...
Query for array elements inside JSON type
... for its elements:
WITH reports(data) AS (
VALUES ('{"objects":[{"src":"foo.png"}, {"src":"bar.png"}]
, "background":"background.png"}'::json)
)
SELECT *
FROM reports r, json_array_elements(r.data#>'{objects}') obj
WHERE obj->>'src' = 'foo.png';
The CTE (WITH query) jus...
What are advantages of Artificial Neural Networks over Support Vector Machines? [closed]
...s exactly the number of training samples (though that mainly occurs with small training sets or in degenerate cases) and in general its model size scales linearly. In natural language processing, SVM classifiers with tens of thousands of support vectors, each having hundreds of thousands of features...
How to solve “Fatal error: Class 'MySQLi' not found”?
...lass that is namespaced, you might see a similar error Fatal error: Class 'foo\bar\mysqli' not found in. The way to fix this is to explicitly set it to the root namespace with a preceding backslash like so:
<?php
$mysqli = new \MySQLi($db_server, $db_user, $db_pass, $db_name);
...
How to convert a ruby hash object to JSON?
... the possibility to extend existing classes with your own methods. That's called "class reopening" or monkey-patching (the meaning of the latter can vary, though).
So, take a look here:
car = {:make => "bmw", :year => "2003"}
# => {:make=>"bmw", :year=>"2003"}
car.to_json
# NoMethod...
Only initializers, entity members, and entity navigation properties are supported
...
return View(debts);
}
That, of course, would mean that you bringing all of the data back to the web server and filtering the data on it. If you want to filter on the DB server, you can create a Calculated Column on the table or use a Stored Procedure.
...
How to raise a ValueError?
... function: The OP needs/wants a for loop. 1st function: FAIL for contains('foo', 'f').
– John Machin
Dec 9 '10 at 6:56
1
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Programmatically select text in a contenteditable HTML element?
In JavaScript, it's possible to programmatically select text in an input or textarea element. You can focus an input with ipt.focus() , and then select its contents with ipt.select() . You can even select a specific range with ipt.setSelectionRange(from,to) .
...
How do I prevent 'git diff' from using a pager?
...onal paging based on the amount of content:
git config --global --replace-all core.pager "less -F -X"
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How to dynamically build a JSON object with Python?
I am new to Python and I am playing with JSON data. I would like to dynamically build a JSON object by adding some key-value to an existing JSON object.
...