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问题 I’ve discovered this morning that bulk of timestamp formats in R seem to be posix.ct class based, which seems to be risky for use with nano second timestamps due to rounding and accumulation errors. Is this true? If so, What packages and processing steps are needed to safely import timestamps in nano seconds precision - probably from csv files? (Preferably staying with packages within tidyverse) Output Visual tools used currently are ggplot2 , plotly, and d3 回答1: We wrote a package for that:

问题 I’ve discovered this morning that bulk of timestamp formats in R seem to be posix.ct class based, which seems to be risky for use with nano second timestamps due to rounding and accumulation errors. Is this true? If so, What packages and processing steps are needed to safely import timestamps in nano seconds precision - probably from csv files? (Preferably staying with packages within tidyverse) Output Visual tools used currently are ggplot2 , plotly, and d3 回答1: We wrote a package for that:

问题 I have the following structure: AXBot: __init__.py bot.py util.py settings.py creator __init__.py xbot.py The problem is that I cannot import the 'util' module in 'xbot.py' because python ends with 'ImportError: No module named util'... how can I solve? PS: I am using the following code to import: import util import settings Thank you. 回答1: It seems you're trying to run xbot.py from within the creator folder. This is the output I get with xbot.py containing import util : C:\Users\Luke\Python

问题 I have multiple svg files and I want to import and export all of them in a single file: icons.js import IconVideoOn from '../../assets/img/icons/video-on.svg'; import IconVideoOff from '../../assets/img/icons/video-off.svg'; import IconMicOn from '../../assets/img/icons/mic-on.svg'; import IconMicOff from '../../assets/img/icons/mic-off.svg'; . . . export default { IconVideoOn, IconVideoOff, IconMicOn, IconMicOff }; then I'm importing them like this MyComponent.jsx import { IconVideoOn } from

问题 I'm trying to make a turtle game on Repl.it and I don't know why this error keeps coming up. Here is my code: import turtle wn = turtle.Screen() wn.bgcolor("white") wn.setup(width=800, height=800) wn.tracer(0) # Set up the ground ground = turtle.Turtle() ground.color("white") ground.shape("square") ground.speed(0) ground.shapesize(stretch_wid=200, stretch_len=20) ground.speed(0) ground.color("black") ground.penup() ground.goto(0, -400) ground.direction = "stop" 回答1: It seems that the

问题 I have problem with mysql database. I can't import a database from my friend. I need some help. SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO"; SET time_zone = "+00:00"; ERROR: Unexpected beginning of statement. (near "phpMyAdmin" at position 0) Unrecognized statement type. (near "SQL" at position 11) #1064 - Something is wrong in your syntax obok 'phpMyAdmin SQL Dump SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO"' w linii 1 回答1: There´s nothing wrong with you syntax, but probably with your file: most likely the

问题 The bounty expires in 5 days . Answers to this question are eligible for a +500 reputation bounty. Mick wants to draw more attention to this question: I added a repo with an easy example to try this out: github.com/MickL/nestjs-inject-existing-provider been looking into the dynamic modules using the Advanced NestJS: How to build completely dynamic NestJS modules. (https://dev.to/nestjs/advanced-nestjs-how-to-build-completely-dynamic-nestjs-modules-1370) From what I've seen, most people use

问题 The bounty expires in 5 days . Answers to this question are eligible for a +500 reputation bounty. Mick wants to draw more attention to this question: I added a repo with an easy example to try this out: github.com/MickL/nestjs-inject-existing-provider been looking into the dynamic modules using the Advanced NestJS: How to build completely dynamic NestJS modules. (https://dev.to/nestjs/advanced-nestjs-how-to-build-completely-dynamic-nestjs-modules-1370) From what I've seen, most people use

问题 Very simply, I'm reasonably new to coding, and I'm going through another person's code to understand what it is doing as I have to use it for data analysis but I notice that they do the following: import matplotlib.pyplot as plt . . . import matplotlib as mpl import numpy as np . . import matplotlib.ticker I thought that " import matplotlib as mpl " would import all modules contained in matplotlib and therefore there need to separately import the module " ticker " from matplotlib after this?

问题 I want to insert real-time logging data into Neo4j 2.2.1 through Spring Data Neo4j 4.0.0. The logging data is very big which may reach hundreds of thousands records. How is the best way to implement this kind of functionality? Is it safe to just using the .save(Iterable) method at the end of all the node entity objects creation? Is there something like batch insertion mechanism in Spring Data Neo4j 4.0.0? Thanks in advance! 回答1: As SDN4 can work with existing databases directly you can use