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Method Resolution Order (MRO) in new-style classes?

...ject'>) with A forced to come in resolution order only once and after all of its subclasses, so that overrides (i.e., C's override of member x) actually work sensibly. It's one of the reasons that old-style classes should be avoided: multiple inheritance with "diamond-like" patterns just doesn...
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How update the _id of one MongoDB Document?

I want update an _id field of one document. I know it's not a really good pratice. But with some technical reason, I need update it. If I try to update it I get: ...
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How to set a Fragment tag by code?

...s using a layout file. But this question refers to setting the tag dynamically in Java. – IgorGanapolsky May 11 '13 at 15:17 1 ...
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Why is Python 3.x's super() magic?

In Python 3.x, super() can be called without arguments: 1 Answer 1 ...
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MAMP Pro 3.05 on Mavericks updated to Yosemite - Apache does not start

... intractveintractve 6,75111 gold badge1111 silver badges1212 bronze badges ...
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“No such file or directory” error when executing a binary

I was installing a binary Linux application on Ubuntu 9.10 x86_64. The app shipped with an old version of gzip (1.2.4), that was compiled for a much older kernel: ...
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Convert pem key to ssh-rsa format

...m assuming no password for the keys (which is bad). Generate an RSA pair All the following methods give an RSA key pair in the same format With openssl (man genrsa) openssl genrsa -out dummy-genrsa.pem 2048 In OpenSSL v1.0.1 genrsa is superseded by genpkey so this is the new way to do it (man...
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Mercurial for Beginners: The Definitive Practical Guide

...configure it to ignore files? Ignore is configured in a normal text file called .hgignore in the root of your repository. Add it just like a normal file with: hg add .hgignore There are two syntax options available for file matching, glob and regexp. glob is unix-like filename expansion and rege...
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Unable to find a locale path to store translations for file __init__.py

... Actually you can configure where the locale folder is. In your settings.py add: LOCALE_PATHS = ( PROJECT_ROOT + '/website/locale', ) Then create a folder for each of the languages you want to translate: mkdir -p website/...
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Impossible to Install PG gem on my mac with Mavericks

I'm trying to install the pg gem in order to work again with my rails projects. But I get this error: 26 Answers ...