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Is there a use-case for singletons with database access in PHP?
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Okay, I wondered over that one for a while when I first started my career. Implemented it different ways and came up with two reasons to choose not to use static classes, but they are pretty big ones.
One is that you will fi...
How can I scroll a web page using selenium webdriver in python?
I am currently using selenium webdriver to parse through facebook user friends page and extract all ids from the AJAX script. But I need to scroll down to get all the friends. How can I scroll down in Selenium. I am using python.
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How is Docker different from a virtual machine?
I keep rereading the Docker documentation to try to understand the difference between Docker and a full VM. How does it manage to provide a full filesystem, isolated networking environment, etc. without being as heavy?
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Why can't I reference my class library?
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Also, check that the new solution's projects run against a compatible framework to the project you're trying to include. I was trying to include a reference to a 4.0 project in a 3.5 project.
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Mercurial - all files that changed in a changeset?
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pyfuncpyfunc
58.3k1414 gold badges137137 silver badges132132 bronze badges
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Get properties and values from unknown object
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CocowallaCocowalla
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Python - abs vs fabs
I noticed that in python there are two similar looking methods for finding the absolute value of a number:
4 Answers
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What is the dependency inversion principle and why is it important?
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Check this document out: The Dependency Inversion Principle.
It basically says:
High level modules should not depend upon low-level modules. Both should depend upon abstractions.
Abstractions should never depend upon details. ...
Make a div fill up the remaining width
How can I make a div fill up the remaining width?
7 Answers
7
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In vim, how do I get a file to open at the same line number I closed it at last time?
...t;= line("$")
\| exe "normal! g'\"" | endif
endif
If this doesn't work, a common problem is not having ownership of your ~/.viminfo file. If this is the case, then run:
sudo chown user:group ~/.viminfo
where user is your username and group is often the same as your username.
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