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Python super() raises TypeError

...od me . Triptych . I remember I was using a python version less than 3.0 , and I didn't specifically said that my class inherits from Object , and the call to super worked . Maybe it's default behaviour from 2.6 ? Just saying :) – Geo Jan 28 '09 at 20:55 ...
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How do I horizontally center an absolute positioned element inside a 100% width div? [duplicate]

In the example below, #logo is positioned absolutely and I need it to be horizontally centered within #header . Normally, I would do a margin:0 auto for relatively positioned elements but I am stuck here. Can someone show me the way? ...
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How to 'bulk update' with Django?

...it must be on an original QuerySet so you'll need to lean on the .filter() and .exclude() methods. share | improve this answer | follow | ...
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Overlaying histograms with ggplot2 in R

I am new to R and am trying to plot 3 histograms onto the same graph. Everything worked fine, but my problem is that you don't see where 2 histograms overlap - they look rather cut off. ...
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“Instantiating” a List in Java? [duplicate]

...e. ArrayList is a concrete class that happens to implement this interface and all of the methods in it. share | improve this answer | follow | ...
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What exactly are late static bindings in PHP?

... which it is used. This means that if you make a method in a parent class and call it from a child class, self will not reference the child as you might expect. Late static binding introduces a new use for the static keyword, which addresses this particular shortcoming. When you use static, it re...
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How to take backup of a single table in a MySQL database?

... Dump and restore a single table from .sql Dump mysqldump db_name table_name > table_name.sql Dumping from a remote database mysqldump -u <db_username> -h <db_host> -p db_name table_name > table_name.sql Fo...
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What is the proper way to check if a string is empty in Perl?

... comparisons in Perl, use eq or ne: if ($str eq "") { // ... } The == and != operators are numeric comparison operators. They will attempt to convert both operands to integers before comparing them. See the perlop man page for more information. ...
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How do I loop through a list by twos? [duplicate]

I want to loop through a Python list and process 2 list items at a time. Something like this in another language: 7 Answers...
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How to make a round button?

... I can round circle. It's not the same. Please, tell me, is it possible on Android? Thank you. 15 Answers ...