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How do I query using fields inside the new PostgreSQL JSON datatype?
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180
Postgres 9.2
I quote Andrew Dunstan on the pgsql-hackers list:
At some stage there will p...
Explicitly select items from a list or tuple
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154
list( myBigList[i] for i in [87, 342, 217, 998, 500] )
I compared the answers with python ...
Aren't Python strings immutable? Then why does a + “ ” + b work?
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185
First a pointed to the string "Dog". Then you changed the variable a to point at a new string...
CSS Image size, how to fill, not stretch?
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15 Answers
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Active
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How to define different dependencies for different product flavors
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190
To define a flavor specific dependency you can use proCompile instead of compile in your depen...
Create new tmux session from inside a tmux session
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145
The quickest way (assuming you use ctrl-b as your command prefix) is:
ctrl-b :new
To create...
Fast way of counting non-zero bits in positive integer
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121
For arbitrary-length integers, bin(n).count("1") is the fastest I could find in pure Python.
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iOS UIImagePickerController result image orientation after upload
I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting/capturing an image using a UIImagePickerController :
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Rotating and spacing axis labels in ggplot2
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1159
Change the last line to
q + theme(axis.text.x = element_text(angle = 90, vjust = 0.5, hjust...