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Why does Python pep-8 strongly recommend spaces over tabs for indentation?
I see on Stack Overflow and PEP 8 that the recommendation is to use spaces only for indentation in Python programs. I can understand the need for consistent indentation and I have felt that pain.
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Is there any performance gain in indexing a boolean field?
... think about it like a book. If there were only 3 kinds of words in a book and you index all of them, you would have the same number of index pages as normal pages.
There would be a performance gain if there are relatively few records of one value. For example, if you have 1000 records and 10 of t...
What is the difference between OpenID and SAML?
What is the difference between OpenID and SAML?
4 Answers
4
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How do I get the width and height of a HTML5 canvas?
How can i get the width and height of the canvas element in JavaScript?
8 Answers
8
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地图组件（高德地图） · App Inventor 2 中文网
...r drags it.
LongClick()
The LongClick event runs when the user presses and holds the 标记 and then releases it.
This event will only trigger if Draggable is 假 because it
uses the same gesture as StartDrag.
StartDrag()
The StartDrag event runs when the user presses and holds the 标记 ...
What is the difference between a field and a property?
In C#, what makes a field different from a property, and when should a field be used instead of a property?
32 Answers
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What are the dark corners of Vim your mom never told you about? [closed]
... questions where people talk about common tricks, notably " Vim+ctags tips and tricks ".
70 Answers
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Creating an API for mobile applications - Authentication and Authorization
...he initial/primary purpose will be for consumption by mobile apps (iPhone, Android, Symbian, etc). I've been looking into different mechanisms for authentication and authorization for web-based APIs (by studying other implementations). I've got my head wrapped around most of the fundamental concep...
Performance optimization strategies of last resort [closed]
...ite already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization.
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Difference Between One-to-Many, Many-to-One and Many-to-Many?
... so this is probably a trivial question but I'm having trouble visualizing and understanding the differences and when to use each. I'm also a little unclear as to how concepts like uni-directional and bi-directional mappings affect the one-to-many/many-to-many relationships. I'm using Hibernate righ...