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What is a plain English explanation of “Big O” notation?
...ely chosen words in that sentence:
relative: you can only compare apples to apples. You can't compare an algorithm that do arithmetic multiplication to an algorithm that sorts a list of integers. But a comparison of two algorithms to do arithmetic operations (one multiplication, one addition) wi...
How to get UILabel to respond to tap?
...scovered that I can create UILabel much faster than UITextField and I plan to use UILabel most of the time for my data display app.
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What is the difference between const_iterator and non-const iterator in the C++ STL?
What is the difference between a const_iterator and an iterator and where would you use one over the other?
7 Answers
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Android Log.v(), Log.d(), Log.i(), Log.w(), Log.e() - When to use each one?
...but maybe you recovered from some unexpected behavior. Basically, use this to log stuff you didn't expect to happen but isn't necessarily an error. Kind of like a "hey, this happened, and it's weird, we should look into it."
Log.i: Use this to post useful information to the log. For example: that yo...
How to convert wstring into string?
The question is how to convert wstring to string?
16 Answers
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PostgreSQL return result set as JSON array?
I would like to have PostgreSQL return the result of a query as one JSON array. Given
2 Answers
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How do I pass an object from one activity to another on Android? [duplicate]
I need to be able to use one object in multiple activities within my app, and it needs to be the same object. What is the best way to do this?
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How to jump to a particular line in a huge text file?
Are there any alternatives to the code below:
16 Answers
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Docker can't connect to docker daemon
After I update my Docker version to 0.8.0 , I get an error message while entering sudo docker version :
40 Answers
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Use email address as primary key?
Is email address a bad candidate for primary when compared to auto incrementing numbers?
25 Answers
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