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Mastering Development

Convert multi-year time series into a single year averaged time series using pandas

I have a data frame (df) with columns named date, Year, Month, Day, Hour and Energy. It is multiyear Time Series which I want to convert into a averaged single year time series with (8760 points i.e 365 * 24 points) where the column Energy_Mean is averaged out value. df is date Year Month Day […]

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Mastering Development

Name object with Variable Javascript [duplicate]

for(i = 0; i < data.length; i++) { timesheets.i = { name, day, month, date, year, time }; } When I run this code, it just overwrites the values for timesheets as it loops. How can I name the different objects within timesheets using the variable i? edit: The first comment helped a ton. But […]

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Database Development

Error writing all Entities to DB- only writes one/ last object in list

I’m using Spring boot and I have an Map called StoreMap that contains a list of Virtual Objects(VO) as value and key is location id .I use Java streams to iterate over such Map and place each Value into a new arraylist called locationEntityList. I then use locationRepository.saveAll(locationEntityList) . When I run the program and […]

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Mastering Development

Real Time Clock(RTC) in Python

I am a beginner in Python. I am wondering about does Python has Real Time Clock which is giving us exactly year, month, day, hour, min, and second? Thank you for your help!

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Mastering Development

Real Time Clock(RTC) in Python

I am a beginner in Python. I am wondering about does Python has Real Time Clock which is giving us exactly year, month, day, hour, min, and second? Thank you for your he

Categories
Mastering Development

Cassandra 3.x read performance with 100 columns per row

I have the following 2 models: CREATE TABLE easyprofit.test2 ( plug int, day int, hour int, created timestamp, created_sampled_3 text, kwh_app_totale decimal, PRIMARY KEY ((plug, day, hour), created)) WITH CLUSTERING ORDER BY (created DESC) AND read_repair_chance = 0.0 AND dclocal_read_repair_chance = 0.1 AND gc_grace_seconds = 864000 AND bloom_filter_fp_chance = 0.01 AND caching = { ‘keys’ […]

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Mastering Development

How can I return the largest value among different elements within a list?

STOCKDATA_LIST_01=[“2019,06,03,49.88,50.33,49.78,50.22,48.54,729600”, “2019,06,04,50.31,50.50,50.17,50.37,48.68,888800”, “2019,06,05,50.45,51.11,50.45,50.71,49.01,1144700”, “2019,06,06,50.89,51.22,50.85,50.98,49.27,913200”, “2019,06,07,50.65,50.77,49.98,50.07,48.93,881800”, “2019,06,10,49.96,50.15,49.71,50.13,48.99,643200”, “2019,06,11,50.21,50.26,49.92,50.02,48.88,1006000”, “2019,06,12,50.02,50.33,49.88,50.15,49.01,696700”, “2019,06,13,50.24,50.50,48.66,48.79,47.68,1993300”, “2019,06,14,48.74,48.76,48.05,48.60,47.50,2125800”, “2019,06,17,48.64,48.64,47.77,48.14,47.05,1751600”, “2019,06,18,48.24,48.92,48.24,48.67,47.56,1879200”, “2019,06,19,48.68,48.86,48.66,48.77,47.66,824100”, “2019,06,20,48.77,48.77,48.18,48.50,47.40,902600”, “2019,06,21,48.43,48.56,48.25,48.27,47.17,2825600”, “2019,06,24,48.36,48.67,48.27,48.40,47.30,650100”, “2019,06,25,48.29,48.54,48.15,48.31,47.21,963700”, “2019,06,26,48.30,48.50,47.99,48.13,47.04,750600”, “2019,06,27,48.02,48.52,47.96,48.34,47.24,1022000”, “2019,06,28,48.30,48.61,48.15,48.41,47.31,979700”] ^ This above is the long list of stock info for a whole month, in the form (year, month, day, stock price 1, stock price 2, stock price 3, stock price 4, stock price 5, […]

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Mastering Development

If todays date is close to date moment

Red color if todays date is 2 days or closer to date. Stays red even if date passes. Yellow if 1 week or closer. Trying to use the isBetween method but getting back undefined. Anyone know what the issue is? Otherwise color is black. if (date !== ” && moment().isBetween(date.subtract(7, ‘day’), date, ‘day’, ‘[]’)) { […]

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Mastering Development

How do I add constraint to pyomo with a range inequality

I am working on a constraint optimization problem and I am using pyomo with abc solver and I am trying to add a constraint with a range. The code I have written so far is # Initialize model model = ConcreteModel() # binary variables representing if a worker is scheduled somewhere model.works = Var(((worker, day, […]

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Mastering Development

Query to see the MAX value in Oracle

I have the following N:N table (which stores the people boardings) in my Oracle Database (it is about an airport): CREATE TABLE boardings( Passport VARCHAR2(8), Day DATE, Flight VARCHAR2(8), LuggageWeight NUMBER(4,2), CONSTRAINT pk PRIMARY KEY(Passport, Day, Flight)); And I would like to make a query in order to see for each flight, which has been […]