cinit | cinit is a fast , small and simple init with support
kandi X-RAY | cinit Summary
kandi X-RAY | cinit Summary
cinit is a fast init system with dependency features and profile support. It was orientated on the design of Richard Goochs need concept and Felix von Leitners minit. Minit does not support real dependencies (you don't know whether the service you depend on really started) and the need concept is somehow slow (as seen in gentoo). In addition, minit needs libowfat and dietlibc, which may not be found on every Unix system.
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QUESTION
I am using a MAC laptop to read my .csv file but this error shows up:
EmptyDataError: No columns to parse from file.
Here is a look at my data file: preview of the .csv file
I even checked whether the filepath of the file is correct and it turned out to be fine.
...ANSWER
Answered 2021-Mar-08 at 21:03You are probable using a wrong delimiter. This usually comes from you Mac OS Language & Region settings.
Take a look at this post you'll get the information you need to fix this: https://harvestmedia.zendesk.com/hc/en-us/articles/360023978031-Opening-Excel-files-with-the-correct-CSV-list-separator
QUESTION
I have a problem when load my data in redux, reducer lost my data when call in my file, please help me.
my main src/index.tsx
...ANSWER
Answered 2020-Dec-27 at 17:45Your UseEffect with empty array [] works like componentDidMount, it is called only once.
You need to add campaing to array and your useEffect hook will be called on every campaing prop change:
QUESTION
it's me again, the useState() lose data, the example bellow. I try load data, using "type" and "inteface" but not working, and I can't understand why not working, if I put the data in useEffect in the array, please help
...ANSWER
Answered 2020-Nov-02 at 14:07cpb is undefined during the first render and will be populated once your query end. You need to add a null check before accessing cpb.cinit. In the example, I added a loading state as it's a good practice when loading data.
It's important to note that the useEffect hooks allow you to run a function after React has updated the DOM [link], there will be a first render before you populate your data.
Try this:
QUESTION
I have two CSV files which I need to compare. The first one is called SAP.csv, and the second is SAPH.csv.
SAP.csv has these cells:
...ANSWER
Answered 2020-Oct-23 at 16:31@George_Pipas's answer to this question demonstrates an example using the library textdistance (I'm paraphrasing part of his answer here):
A solution is to work with the
textdistancelibrary. I will provide an example ofCosine Similarity
QUESTION
Using matlab's spmd to compute simple triple integral is giving me incorrect solution, any thoughts on what I am doing wrong?
...ANSWER
Answered 2020-Oct-20 at 10:23The problem here is that your spmd block is dividing the 3-dimensional region to be integrated in each dimension, rather than just a single dimension. You need to pick a dimension in which to divide the integral, and vary the limits in only that dimension. For example, you could correct things by replacing your integral3 call inside spmd with this:
QUESTION
I am working on a small project where I am trying to implement a refactoring tool using Clang's LibTooling. As part of this project, I need to find calls to a specific function from a specific library.
My attempts at using clang-query to come up with the AST matchers have failed. However, I have discovered the following:
- I can successfully find calls to non-template functions using my AST matchers.
- A similar AST matcher query fails to find calls to a template function.
I have written the following test program to be able to post it here as a self-sufficient example, without depending on the library that I am working with:
...ANSWER
Answered 2020-Oct-19 at 22:42if you use functionDecl in your matcher, it should work on your template code as well.
QUESTION
I am currently studying the book "Hands-On Machine Learning with Scikit-Learn, Keras and TensorFlow". I tried running the following example, without success however. The link is working, pandas is installed correctly, os, tarfile and urllib are system packages. Still, I get the error message below (tried Jupyter & Spyder):
...ANSWER
Answered 2020-Oct-05 at 05:49The local file "datasets/housing/housing.csv" is created only when you call
QUESTION
Code block 1 using __init__
ANSWER
Answered 2020-Jul-10 at 06:01cinit should be used where C level initialization of object is required. Please be careful here, they may not be a fully valid python object yet. However, anything that cannot be done in cinit, needs to happen in init. By this time, all objects are valid python objects.
if I understand it correctly, it points to modifiable arguments in derived class. Arguments list may be modified or parsed differently that the base type init. In such cases init needs to be used. This may be useful in giving you an insight on what I am trying to explain
QUESTION
import bs4 as bs
import datetime as dt
import os
import pandas as pd
import pandas_datareader.data as web
import pickle
import requests
def save_sp500_tickers():
resp =
requests.get('http://en.wikipedia.org/wiki/List_of_S%26P_500_companies')
soup = bs.BeautifulSoup(resp.text, 'lxml')
table = soup.find('table', {'class': 'wikitable sortable'})
tickers = []
for row in table.findAll('tr')[1:]:
ticker = row.findAll('td')[0].text
tickers.append(ticker)
with open("sp500tickers.pickle", "wb") as f:
pickle.dump(tickers, f)
return tickers
# save_sp500_tickers()
def get_data_from_yahoo(reload_sp500=False):
if reload_sp500:
tickers = save_sp500_tickers()
else:
with open("sp500tickers.pickle", "rb") as f:
tickers = pickle.load(f)
if not os.path.exists('stock_dfs'):
os.makedirs('stock_dfs')
start = dt.datetime(2010, 1, 1)
end = dt.datetime.now()
for ticker in tickers:
# just in case your connection breaks, we'd like to save our progress!
if not os.path.exists('stock_dfs/{}.csv'.format(ticker)):
df = web.DataReader(ticker, 'yahoo', start, end)
df.reset_index(inplace=True)
df.set_index("Date", inplace=True)
df = df.drop("Symbol", axis=1)
df.to_csv('stock_dfs/{}.csv'.format(ticker))
else:
print('Already have {}'.format(ticker))
def compile_data():
with open("sp500tickers.pickle", "rb") as f:
tickers = pickle.load(f)
main_df = pd.DataFrame()
for count, ticker in enumerate(tickers):
df = pd.read_csv('stock_dfs/{}.csv'.format(ticker))
ANSWER
Answered 2020-Jun-04 at 03:05Right before the error occurs, a call is made to pd.read_csv():
QUESTION
So far pandas read through all my CSV files without any problem, however now there seems to be a problem..
When doing:
...ANSWER
Answered 2018-May-27 at 14:59I assume that your csv file is in the same place (root). If you just want to the csv file to be read, and get the result that will show as text in your console, just do this
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