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Database design for audit logging
Every time I need to design a new database I spend quite some time
thinking on how I should set up the database schema to keep an audit log of
the changes.
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All permutations of a Windows license key
I need to apply for a Windows 8 upgrade for my laptop, for which I need the Windows 7 license key on the underside of the laptop.
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Objective-C declared @property attributes (nonatomic, copy, strong, weak)
Can someone explain to me in detail when I must use each attribute: nonatomic , copy , strong , weak , and so on, for a declared property, and explain what each does? Some sort of example would be great also. I am using ARC.
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Stack vs heap allocation of structs in Go, and how they relate to garbage collection
I'm new to Go and I'm experiencing a bit of congitive dissonance between C-style stack-based programming where automatic variables live on the stack and allocated memory lives on the heap and and Python-style stack-based-programming where the only thing that lives on the stack are references/pointer...
What key shortcuts are to comment and uncomment code?
There were Ctrl + E + C (comment) and Ctrl + E + U (uncomment) in older versions, or Ctrl + K + C and Ctrl + K + U .
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Why would iterating over a List be faster than indexing through it?
Reading the Java documentation for the ADT List it says:
5 Answers
5
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What's the difference between => , ()=>, and Unit=>
I'm trying to represent a function that takes no arguments and returns no value (I'm simulating the setTimeout function in JavaScript, if you must know.)
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What is the difference between Elastic Beanstalk and CloudFormation for a .NET project?
I have developed a .NET MVC application and have started playing around with AWS and deploying it via the Visual Studio Toolkit. I have successfully deployed the application using the Elastic Beanstalk option in the toolkit.
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What is the difference between :first-child and :first-of-type?
I can't tell the difference between element:first-child and element:first-of-type
3 Answers
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re
I am using split('\n') to get lines in one string, and found that ''.split() returns an empty list, [] , while ''.split('\n') returns [''] . Is there any specific reason for such a difference?
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