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How to swap keys and values in a hash
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286
Ruby has a helper method for Hash that lets you treat a Hash as if it was inverted (in essence...
Base64 length calculation?
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217
Each character is used to represent 6 bits (log2(64) = 6).
Therefore 4 chars are used to rep...
Android webview & localStorage
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edited Apr 15 '12 at 14:36
Tim Cooper
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How to pip install a package with min and max version range?
... install a package with both a minimum version ( pip install package>=0.2 ) and a maximum version which should never be installed (theoretical api: pip install package<0.3 ).
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Android SDK on a 64-bit linux machine
...n a 64-bit linux machine. The available SDK downloads seem to be just for 32-bit versions of Linux.
15 Answers
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Cast Object to Generic Type for returning
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212
You have to use a Class instance because of the generic type erasure during compilation.
publ...
How to merge 2 JSON objects from 2 files using jq?
...t will merge them recursively. For example,
jq -s '.[0] * .[1]' file1 file2
Important: Note the -s (--slurp) flag, which puts files in the same array.
Would get you:
{
"value1": 200,
"timestamp": 1382461861,
"value": {
"aaa": {
"value1": "v1",
"value2": "v2",
"value3...
With bash, how can I pipe standard error into another process?
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172
There is also process substitution. Which makes a process substitute for a file.
You can send s...
How do I remove leading whitespace in Python?
I have a text string that starts with a number of spaces, varying between 2 & 4.
5 Answers
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Remove empty elements from an array in Javascript
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