import | An Import Mechanism For R | Development Tools library
kandi X-RAY | import Summary
kandi X-RAY | import Summary
The typical way of using functionality exposed by a package in R scripts is to load (and attach) the entire package with library() (or require()). This can have the undesirable effect of masking objects in the user's search path and can also make it difficult and confusing to identify what functionality comes from which package when using several library statements.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of import
import Key Features
import Examples and Code Snippets
def visit_ImportFrom(self, node): # pylint: disable=invalid-name
"""Handle visiting an import-from node in the AST.
Args:
node: Current Node
"""
if not node.module:
self.generic_visit(node)
return
from_import
def _import_config(self):
"""Import config if passed in during construction.
If Context was created with a ConfigProto such as when calling
tf.compat.v1.enable_eager_execution(), then we need to pull out the
various pieces we might b
def format_import(self, source_module_name, source_name, dest_name):
"""Formats import statement.
Args:
source_module_name: (string) Source module to import from.
source_name: (string) Source symbol name to import.
dest_nam
Community Discussions
Trending Discussions on import
QUESTION
I am trying to get a Flask and Docker application to work but when I try and run it using my docker-compose up
command in my Visual Studio terminal, it gives me an ImportError called ImportError: cannot import name 'json' from itsdangerous
. I have tried to look for possible solutions to this problem but as of right now there are not many on here or anywhere else. The only two solutions I could find are to change the current installation of MarkupSafe and itsdangerous to a higher version: https://serverfault.com/questions/1094062/from-itsdangerous-import-json-as-json-importerror-cannot-import-name-json-fr and another one on GitHub that tells me to essentially change the MarkUpSafe and itsdangerous installation again https://github.com/aws/aws-sam-cli/issues/3661, I have also tried to make a virtual environment named veganetworkscriptenv
to install the packages but that has also failed as well. I am currently using Flask 2.0.0 and Docker 5.0.0 and the error occurs on line eight in vegamain.py.
Here is the full ImportError that I get when I try and run the program:
...ANSWER
Answered 2022-Feb-20 at 12:31I was facing the same issue while running docker containers with flask.
I downgraded Flask
to 1.1.4
and markupsafe
to 2.0.1
which solved my issue.
Check this for reference.
QUESTION
I saw a video about speed of loops in python, where it was explained that doing sum(range(N))
is much faster than manually looping through range
and adding the variables together, since the former runs in C due to built-in functions being used, while in the latter the summation is done in (slow) python. I was curious what happens when adding numpy
to the mix. As I expected np.sum(np.arange(N))
is the fastest, but sum(np.arange(N))
and np.sum(range(N))
are even slower than doing the naive for loop.
Why is this?
Here's the script I used to test, some comments about the supposed cause of slowing done where I know (taken mostly from the video) and the results I got on my machine (python 3.10.0, numpy 1.21.2):
updated script:
...ANSWER
Answered 2021-Oct-16 at 17:42From the cpython source code for sum
sum initially seems to attempt a fast path that assumes all inputs are the same type. If that fails it will just iterate:
QUESTION
I'm creating a program to analyze security camera streams and got stuck on the very first line. At the moment my .js file has nothing but the import of node-fetch and it gives me an error message. What am I doing wrong?
Running Ubuntu 20.04.2 LTS in Windows Subsystem for Linux.
Node version:
...ANSWER
Answered 2022-Feb-25 at 00:00Use ESM syntax, also use one of these methods before running the file.
- specify
"type":"module"
inpackage.json
- Or use this flag
--input-type=module
when running the file - Or use
.mjs
file extension
QUESTION
I am trying to upgrade to React Router v6 (react-router-dom 6.0.1
).
Here is my updated code:
...ANSWER
Answered 2022-Mar-18 at 18:41I think you should use the no match route approach.
Check this in the documentation.
https://reactrouter.com/docs/en/v6/getting-started/tutorial#adding-a-no-match-route
QUESTION
I'm using React Router v6 and am creating private routes for my application.
In file PrivateRoute.js, I've the code
...ANSWER
Answered 2021-Nov-12 at 21:20I ran into the same issue today and came up with the following solution based on this very helpful article by Andrew Luca
In PrivateRoute.js:
QUESTION
I got below error message when I run model_main_tf2.py
on Object Detection API:
ANSWER
Answered 2021-Dec-31 at 03:38The same thing occurred to me yesterday when I used Colab. A possible reason may be that the version of opencv-python(4.1.2.30) does not match opencv-python-headless(4.5.5.62). Or the latest version 4.5.5 may have something wrong...
I uninstalled opencv-python-headless==4.5.5.62 and installed 4.1.2.30 and it fixed.
QUESTION
I am currently setting up a boilerplate with React, Typescript, styled components, webpack etc. and I am getting an error when trying to run eslint:
Error: Must use import to load ES Module
Here is a more verbose version of the error:
...ANSWER
Answered 2022-Mar-15 at 16:08I think the problem is that you are trying to use the deprecated babel-eslint parser, last updated a year ago, which looks like it doesn't support ES6 modules. Updating to the latest parser seems to work, at least for simple linting.
So, do this:
- In package.json, update the line
"babel-eslint": "^10.0.2",
to"@babel/eslint-parser": "^7.5.4",
. This works with the code above but it may be better to use the latest version, which at the time of writing is 7.16.3. - Run
npm i
from a terminal/command prompt in the folder - In .eslintrc, update the parser line
"parser": "babel-eslint",
to"parser": "@babel/eslint-parser",
- In .eslintrc, add
"requireConfigFile": false,
to the parserOptions section (underneath"ecmaVersion": 8,
) (I needed this or babel was looking for config files I don't have) - Run the command to lint a file
Then, for me with just your two configuration files, the error goes away and I get appropriate linting errors.
QUESTION
I just use
...ANSWER
Answered 2021-Sep-07 at 11:53From the node-fetch
package readme:
node-fetch is an ESM-only module - you are not able to import it with require. We recommend you stay on v2 which is built with CommonJS unless you use ESM yourself. We will continue to publish critical bug fixes for it.
If you want to require
it, then downgrade to v2.
The other option you have is to use async import('node-fetch').then(...)
QUESTION
version pip 21.2.4 python 3.6
The command:
...ANSWER
Answered 2021-Nov-19 at 13:30It looks like setuptools>=58
breaks support for use_2to3
:
So you should update setuptools
to setuptools<58
or avoid using packages with use_2to3
in the setup parameters.
I was having the same problem, pip==19.3.1
QUESTION
I have an array of positive integers. For example:
...ANSWER
Answered 2022-Feb-27 at 22:44This problem has a fun O(n) solution.
If you draw a graph of cumulative sum vs index, then:
The average value in the subarray between any two indexes is the slope of the line between those points on the graph.
The first highest-average-prefix will end at the point that makes the highest angle from 0. The next highest-average-prefix must then have a smaller average, and it will end at the point that makes the highest angle from the first ending. Continuing to the end of the array, we find that...
These segments of highest average are exactly the segments in the upper convex hull of the cumulative sum graph.
Find these segments using the monotone chain algorithm. Since the points are already sorted, it takes O(n) time.
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