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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...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
What is the most efficient algorithm to achieve the following:
27 Answers
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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...
How to upload, display and save images using node.js and express [closed]
I need to upload an image, and display it, as well as save it so that I don't lose it when I refresh the localhost. This needs to be done using an "Upload" button, which prompts for a file-selection.
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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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What is copy-on-write?
I would like to know what copy-on-write is and what it is used for? The term 'copy-on-write array' is mentioned several times in the Sun JDK tutorials but I didn't understand what it meant.
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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 to call a parent class function from derived class function?
...called parent , and a class called child which is derived from parent. Within
each class there is a print function. In the definition of the child's print function I would like to make a call to the parents print function. How would I go about doing this?
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Avoid browser popup blockers
...ript and I want to show the user the "grant access" window in a popup, but it gets blocked.
8 Answers
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