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-- Call function with the schema name | |
CREATE OR REPLACE FUNCTION rename_columns(_schema text) RETURNS VOID AS $func$ | |
DECLARE | |
rec RECORD; | |
table RECORD; | |
result RECORD; | |
sql TEXT := ''; | |
i INTEGER; | |
BEGIN |
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SELECT pg_terminate_backend(pg_stat_activity.pid) | |
FROM pg_stat_activity | |
WHERE pg_stat_activity.datname = 'TARGET_DB' -- ← change this to your DB | |
AND pid <> pg_backend_pid(); |
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# Directly modify file & create a backup | |
sed -i.bak '/pattern to match/d' ./input_file | |
# Directly modify file - no backup | |
sed -i '' '/pattern to match/d' ./infile |
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from pathlib import Path | |
import pandas | |
import geopandas | |
folder = Path("/path/to/shapefile/folder") | |
shapefiles = folder.glob("shapefile_name_with_wildcards_*.shp") | |
gdf = pandas.concat([ | |
geopandas.read_file(shp) | |
for shp in shapefiles | |
]).pipe(geopandas.GeoDataFrame) |
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WITH data AS | |
(SELECT column_to_test, | |
count(*) OVER (PARTITION BY column_to_test), other_columns_to_output | |
FROM schema.table ) | |
SELECT * | |
FROM data | |
WHERE count > 1 | |
ORDER BY column_to_test; |
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# Remove all merged, closed branches from your local machine, leaving unmerged branches in place | |
git remote prune origin | |
git branch -vv | grep 'origin/.*: gone]' | awk '{print $1}' | xargs git branch -d |
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networkx | |
geopandas | |
pillow | |
matplotlib |
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import pandas as pd | |
import geopandas as gpd | |
from shapely import wkt | |
import time | |
# Read pub points from CSV to a pandas dataframe | |
pubs = pd.read_csv('~/Documents/pub_points.csv', | |
header=None, names=['name', 'coordinates']) | |
# Parse the WKT coordinate format from PostGIS |
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UPDATE | |
`project.dataset.table` | |
SET | |
geom = ST_GEOGFROMGEOJSON( | |
JSON_QUERY(geo_json,'$.geometry'), make_valid => TRUE) | |
WHERE | |
geom IS NULL |
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# NB. First install jq using homebrew | |
cat original.geojson | jq -c '.[]' > new_line_delimited.json |
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