cuixin
/ json_to_map.go
Created
October 25, 2017 01:53
json to map[string]interface{} example in golang
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| package main | |
| import ( | |
| "encoding/json" | |
| "fmt" | |
| ) | |
| func dumpMap(space string, m map[string]interface{}) { | |
| for k, v := range m { | |
| if mv, ok := v.(map[string]interface{}); ok { |
gjreda
/ gist:7433f5f70299610d9b6b
Last active
April 11, 2023 16:23
pandas' read_csv parse_dates vs explicit date conversion
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| # When you're sure of the format, it's much quicker to explicitly convert your dates than use `parse_dates` | |
| # Makes sense; was just surprised by the time difference. | |
| import pandas as pd | |
| from datetime import datetime | |
| to_datetime = lambda d: datetime.strptime(d, '%m/%d/%Y %H:%M') | |
| %time trips = pd.read_csv('data/divvy/Divvy_Trips_2013.csv', parse_dates=['starttime', 'stoptime']) | |
| # CPU times: user 1min 29s, sys: 331 ms, total: 1min 29s | |
| # Wall time: 1min 30s |