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[ Software ] Open Question : I have many files that take many gigabytes to store.They re 16 GB.How to compress them to make them really small.?

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[ Politics ] Open Question : Why don’t we just nuke those who don’t agree with U.S.?

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[ Football (American) ] Open Question : Why should I pay to watch NFL for free? It should be free.?

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[ Football (American) ] Open Question : Here are my picks for week 3?

Packers over Broncos, Bills over Bangles, Eagles over Lions, Pats over Jets, Vikings over Raiders, Chiefs over Ravens, Cowpies over Dolphins, Falcons over Colts, Cardinals over Panthers, Bucs over Giants, Chargers over Texans, Saints over SeaDorks, Frisco over Steelers, Rams over Browns, Bears over Redskins.

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[ Dogs ] Open Question : Con sarnit, mah poutine done broked up with me! What shed i do?

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Normalizing the columns of a dataframe

I want to normalize the column in the following dataframe: import pandas as pd from pprint import pprint d = {‘A’: [1,0,3,0], ‘B’:[2,0,1,0], ‘C’:[0,0,8,0], ‘D’:[1,0,0,1]} df = pd.DataFrame(data=d) df = (df – df.mean())/df.std() I am not sure if the normalization is done row-wise or column-wise. I intend to do (x – mean of elements in […]

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What is the maximum size of symbol data type in KDB+?

I cannot find the maximum size of the symbol data type in KDB+. Does anyone know what it is?

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Development

Simple way to get current value of an Observable (Obtained from a BehaviorSubject)

This question looks long, but it should be a very basic rxjs question. Please help if you can. I’m writing an Angular 7 app, with a service, component and a template as follows, and I want to access the last value of the observable in an easy way. SoundMeterService In the service, I have a […]

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Mismatch between tileserver-gl version and Openmaptiles.com map data?

We’re paid subscribers of Openmaptiles.com production map package and we’re setting up a new version of latest Docker version of tileserver-gl (v2.6.0) with the latest map data from Openmaptiles.com (osm-2019-07-01-v3.10-europe_spain.mbtiles) and we’ve got an error message: # docker run -it -v –restart=always -p 80:80 -v /var/lib/docker/tileserver-gl/data/osm:/data –network tileserver-gl-net –ip 172.18.0.3 –name tileserver-gl_osm_v2.6.0 klokantech/tileserver-gl:v2.6.0 –verbose Starting […]

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How to change character encoding in reactor webclient before deserialisation

We are planing to migrate from Spring rest-template to reactor webclient. We are consuming some APIs where we are getting “ISO-8859-1” encoded characters. With rest-template we have written custom message-converter by extending MappingJackson2HttpMessageConverter and in that we converted character encoding from “ISO-8859-1” to “UTF-8”. With original encoding Jackson is breaking, and we can’t upgrade it […]