feed

Backtrader error: 'DataFrame' object has no attribute 'setenvironment'

我只是一个虾纸丫 提交于 2021-01-07 01:39:54
问题 I am new to backtrader, and I have a big problem. I want to start my strategy (just a simple GoldenCross strategy). This GoldenCross.py Script looks like this: import math import backtrader as bt class GoldenCross(bt.Strategy): params = (("fast", 50), ("slow", 200), ("order percentage", 0.95), ("ticker", "AAPL")) def __init__(self): self.fast_moving_average = self.bt.indicators.SmoothedMovingAverage( self.data.close, period=self.p.fast, plotname="50 day moving average") self.slow_moving

Backtrader error: 'DataFrame' object has no attribute 'setenvironment'

痴心易碎 提交于 2021-01-07 01:36:54
问题 I am new to backtrader, and I have a big problem. I want to start my strategy (just a simple GoldenCross strategy). This GoldenCross.py Script looks like this: import math import backtrader as bt class GoldenCross(bt.Strategy): params = (("fast", 50), ("slow", 200), ("order percentage", 0.95), ("ticker", "AAPL")) def __init__(self): self.fast_moving_average = self.bt.indicators.SmoothedMovingAverage( self.data.close, period=self.p.fast, plotname="50 day moving average") self.slow_moving

Backtrader error: 'DataFrame' object has no attribute 'setenvironment'

左心房为你撑大大i 提交于 2021-01-07 01:36:54
问题 I am new to backtrader, and I have a big problem. I want to start my strategy (just a simple GoldenCross strategy). This GoldenCross.py Script looks like this: import math import backtrader as bt class GoldenCross(bt.Strategy): params = (("fast", 50), ("slow", 200), ("order percentage", 0.95), ("ticker", "AAPL")) def __init__(self): self.fast_moving_average = self.bt.indicators.SmoothedMovingAverage( self.data.close, period=self.p.fast, plotname="50 day moving average") self.slow_moving

Skipped 675 frames! The application may be doing too much work on its main thread. How to make app run process in background without freezing the UI?

本小妞迷上赌 提交于 2020-05-09 10:32:08
问题 I have an news aggregator and in debug i have the following: Skipped 675 frames! The application may be doing too much work on its main thread. I am loading only from 12 sites. Is there a way to to do all this loading in background without the whole app freezing? EDIT: Method to get one news public async static Task<NewsContent> oneNews(string category,string site) { if(sites.Count==0) addElements(); GetNews gn = new GetNews(site,false); Random rn = new Random(); var s = await gn.news(rn.Next

Skipped 675 frames! The application may be doing too much work on its main thread. How to make app run process in background without freezing the UI?

情到浓时终转凉″ 提交于 2020-05-09 10:30:54
问题 I have an news aggregator and in debug i have the following: Skipped 675 frames! The application may be doing too much work on its main thread. I am loading only from 12 sites. Is there a way to to do all this loading in background without the whole app freezing? EDIT: Method to get one news public async static Task<NewsContent> oneNews(string category,string site) { if(sites.Count==0) addElements(); GetNews gn = new GetNews(site,false); Random rn = new Random(); var s = await gn.news(rn.Next

How to link_to a show page from another MVC?

半城伤御伤魂 提交于 2020-03-05 07:28:27
问题 I get this error when I pull up http://0.0.0.0:3000/activities: ActiveRecord::RecordNotFound in ActivitiesController#index Couldn't find Valuation with 'id'= Line: @valuation = Valuation.find(params[:id]) activities_controller def index @activities = Activity.order("created_at desc").paginate(:page => params[:page]) @valuation = Valuation.find(params[:id]) end activities/index <% @activities.each do |activity| %> <%= render "activities/#{activity.trackable_type.underscore}/#{activity.action}"

How to make an “empty” RSS feed

倾然丶 夕夏残阳落幕 提交于 2020-02-03 05:21:25
问题 I'm kind of new to rss feeds, but I'm able to create a feed dynamically using PHP and it works great. My problem is that occasionally the feed doesn't have any items (I limit the age of feed items to 60 days, and sometimes nothing has happened in that time). What I would expect to happen is that I just simply wouldn't have any <item> s in my xml page. However, when I do it that way, the feed reader (at least the Google one) seems to be a little borked. Even though the XML contains the name of

merge rss feeds

末鹿安然 提交于 2020-01-31 10:29:19
问题 I want to merge multiple rss feeds into a single feed, removing any duplicates. Specifically, I'm interested in merging the feeds for the tags I'm interested in. [A quick search turned up some promising links, which I don't have time to visit at the moment] Broadly speaking, the ideal would be a reader that would list all the available tags on the site and toggle them on and off, allowing me to explore what's available, keep track of questions I've visited, new answers on interesting feeds,