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What is the _snowman param in Ruby on Rails 3 forms for?
... form_tag or form_for helpers there is a hidden field named _snowman with the value of ☃ ( Unicode \x9731) showing up.
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Query for documents where array size is greater than 1
I have a MongoDB collection with documents in the following format:
13 Answers
13
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Bash Templating: How to build configuration files from templates with Bash?
I'm writing a script to automate creating configuration files for Apache and PHP for my own webserver. I don't want to use any GUIs like CPanel or ISPConfig.
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Ignore .pyc files in git repository
How can I ignore .pyc files in git?
6 Answers
6
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Numpy - add row to array
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What is X? If it is a 2D-array, how can you then compare its row to a number: i < 3?
EDIT after OP's comment:
A = array([[0, 1, 2], [0, 2, 0]])
X = array([[0, 1, 2], [1, 2, 0], [2, 1, 2], [3, 2, 0]])
add to A all rows from X where t...
How can you determine a point is between two other points on a line segment?
Let's say you have a two dimensional plane with 2 points (called a and b) on it represented by an x integer and a y integer for each point.
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How to prevent IFRAME from redirecting top-level window
Some websites have code to "break out" of IFRAME enclosures, meaning that if a page A is loaded as an IFRAME inside an parent page P some Javascript in A redirects the outer window to A .
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How do I pass JavaScript variables to PHP?
...code to the current page PHP code... PHP code runs at the server side, and it doesn't know anything about what is going on on the client side.
You need to pass variables to PHP code from the HTML form using another mechanism, such as submitting the form using the GET or POST methods.
<DOCTYPE h...
In MySQL, can I copy one row to insert into the same table?
..., I want to duplicate an existing row in the table) but I want to do this without having to list all the columns after the "select", because this table has too many columns.
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PHP Redirect with POST data
...some research on this topic, and there are some experts who have said that it is not possible , so I would like to ask for an alternative solution.
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