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How do you do relative time in Rails?
... i.e. if given a certain Time class, it can calculate "30 seconds ago" or "2 days ago" or if it's longer than a month "9/1/2008", etc.
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Find Oracle JDBC driver in Maven repository
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22 Answers
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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...
How to validate IP address in Python? [duplicate]
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answered Nov 25 '08 at 23:50
DustinDustin
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Cluster analysis in R: determine the optimal number of clusters
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If your question is how can I determine how many clusters are appropriate for a kmeans analysis...
Measuring the distance between two coordinates in PHP
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12 Answers
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App Inventor 2 TaifunImage 拓展，图像高级处理功能，剪裁，压缩，翻转等 ...
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 TaifunImage 拓展，图...
How to convert a string or integer to binary in Ruby?
... number to a string representing the number in the base specified:
9.to_s(2) #=> "1001"
while the reverse is obtained with String#to_i(base):
"1001".to_i(2) #=> 9
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How to Batch Rename Files in a macOS Terminal?
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234
In your specific case you can use the following bash command (bash is the default shell on mac...
How does python numpy.where() work?
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answered Apr 12 '11 at 22:48
Joe KingtonJoe Kington
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