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What is the dependency inversion principle and why is it important?
...d never depend upon details. Details should depend upon abstractions.
As to why it is important, in short: changes are risky, and by depending on a concept instead of on an implementation, you reduce the need for change at call sites.
Effectively, the DIP reduces coupling between different pieces...
Studies on optimal code width?
...iew Right Margin" in your IDE of choice, it is likely that it will default to 80 characters. I tend to change it to 120 for no reason other than it was the standard at a company I was with a few years back, and no other company has told me to do it differently.
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Best branching strategy when doing continuous integration?
What is the best branching strategy to use when you want to do continuous integration?
12 Answers
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What's the difference between an id and a class?
...rence between <div class=""> and <div id=""> when it comes to CSS? Is it alright to use <div id=""> ?
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Why is NaN not equal to NaN? [duplicate]
...ant NaN (not a number) and prescribes that NaN should compare as not equal to itself. Why is that?
6 Answers
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How to upgrade Git on Windows to the latest version?
I just upgraded to Git 1.8.0.1 for Windows, from my previous version 1.7.9.mysysgit.0. I downloaded the new version from the Git site and installed through the normal Git installer EXE.
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Is Python strongly typed?
...Dynamic typing means that runtime objects (values) have a type, as opposed to static typing where variables have a type.
As for your example
bob = 1
bob = "bob"
This works because the variable does not have a type; it can name any object. After bob=1, you'll find that type(bob) returns int, but...
Prevent direct access to a php include file
...which I will be using as exclusively as an include. Therefore I would like to throw an error instead of executing it when it's accessed directly by typing in the URL instead of being included.
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How can I get Git to follow symlinks?
Is my best be going to be a shell script which replaces symlinks with copies, or is there another way of telling Git to follow symlinks?
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What is the rationale for all comparisons returning false for IEEE754 NaN values?
... differently from all other values?
That is, all comparisons with the operators ==, =, where one or both values is NaN returns false, contrary to the behaviour of all other values.
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