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python - How to use Django shell to interact with running server?

In the apps.py of one of my apps I set some class variables for models that can't be set at ... ): from example.models import ExampleModel ExampleModel.class_var = 'something'...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - creating a both side radio wave animation

I want a Radar wave animation like this: With a lot of effort using my poor knowledge of Svgs I added the left side of ... .add-radio-wave-6 { -webkit-animation-name: wave-6; a...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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There is all weather description for OpenWeatherAPI?

Where I can find all weather description for OpenWeatherAPI? I am building weather app and i want to change background image based on weather description...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How do I get my program to enter into shell in background?

I have a program that opens a door through a RFID scanner. The cards that are acceptable are loaded in a txt file. My ... "" else: rfid_presented += keys[event.code] del e main()...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Condition not met inside <b:if> tag unless changed to full address

I'm trying to display dynamic content based on which page is currently loaded. This code is inside Blogger's theme ... the problem or might know a solution to this problem?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Impossible to register at "Nuxeo Answers Questions & Answers"?

On December third, I registered on Nuxeo's "Answers Questions & Answers" site. At least, I thought I did. In fact, I ... better way to ask, or if that question is out of place....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - pyspark string matching - pick first match

I have two tables. comment_df | Date | Comment | |:---- |:------:| | 20/01/2020 | Transfer from Euro Account to HSBC account done on Monday ... --------------------------+-------+...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - How do i set-up my backend server without over writing data each time it it restarts

I have created my first backend server using node, express, sequelize and nodemon. I have also set-up the tables I want and ... database with { force: true } `) initial(); });...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mdichild - How to bring MDI child form to the front in C#?

I'm using visual studio I designed two forms frm1 as parent and frm2 as child now when I run the frm1 and clicking to ... ] problem is how to hide the frm1 buttons in frm2. Thanks....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Update the value of a variable from within a Python function as it iterates through a dataframe

I'm trying to create a Python function that will iterate through the rows of a Pandas dataframe and execute some simple ... 178.383975 74 2020Q3 178.295425 75 rows 2 columns...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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css - Border RadCheckBox Telerik

I want to remove this black border that appears when clicking on the checkbox using bootstrap 4.4.1 enter image description here...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - C++ Initialize struct with mutex field

I'm trying to figure out how to initialize a struct with a mutex field, since the mutex type is not copyable or ... lock(); new_sample->field1 = 2; new_sample->mtx.unlock();...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Fire an event when a liste get new item

i have an empty list : <ul id="select2-choices"></ul> this list gets elements added to it using a ui ,so i get this ... function (e)){ self.SetDefaultTeam(e); }); how to do that ?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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autocomplete - Label with multiple lines

I'm using a material-ui Autocomplete, and it only allows ONE selected option (is not multiple). But I want the ... I'm missing something obvious, can somebody help me? Thank you...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python 3.x - Sympy solve returns `NoneType object not scriptable`

I have tested this with both sympy==1.7.1 and sympy==1.5.1 and get the same result. from sympy ... symbol causes the NoneType error. Any suggestions would be much appreciated....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to clip background blur in SwiftUI

I am trying to have a semi-transparent blurred overlaying view but the blur creates a fuzzy edge and I'd like it to be ... , context: Context) {} } Looks like this (lacks blur):...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Conditional Statements with the @artsy/fresnel Framework

I'm using the @artsy/fresnel npm package to build a responsive React application. Here's my code <Media ... /div> Is this doable with the @artsy/fresnel framework?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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graphql - Can't get union of field for typescript

I study graphql-code-generator and cannot understand one point. I have schema and queries Schema Query products(productType: ... - 'typescript-react-apollo' What am I doing wrong?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Getting an API URL id from another API data not working properly

In my small react Project, I needed to use an id from one api call in subsequent api calls. I have access to the data from the first call ... ={id}>{item.id}</ul> }) } </div> ) } }...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Swagger: take one or more values from enum

I am writing an OpenAPI (Swagger) definition where a query parameter can take none, or N values, like this: /path?sort ... . (See http://jsonapi.org/format/1.1/#fetching-sorting)...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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filewriter - How to direct to a common desktop directory on multiple computers using Java's File Writer

for this program I am using the FileWriter, however a requirement for my program is to be able to output a file to a ... in the new file creator.close(); }//Creating the file...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arrays - Replacing outliers with zeroes in VBA

I want to write function outliers_std(table, std) which replace outliers with zeroes. Let's define outlier as a ... error stays the same. Did I write something incorrectly ?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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macos - Trying combine multiple .csv files using terminal, command not found: copy. Wrong path for Homebrew Mac Catalina 10.15

I am trying to combine multiple .csv files using a terminal on a Mac operating system Catalina 10.15. I have all 332 CSV ... I can combine my CSV files? Thanks for the help. Sarah...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Applying a list of linear transformations to a list of point clouds

Suppose I have an array of n point clouds (each containing m points, of dimension d), and then a list of n matrices ... been trying to get this working for a while with no success!...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Fastest way to permute elements of an array

I want to create a function template to permute the elements of an array (of ints or uint8_ts, or maybe something ... permute3 (ideally compiling down to the same assembly code)?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - SQLAlchemy object throwing attribute error for _sa_instance_state in pytest

I can't find any other threads that discuss getting an attribute error for 'sa_instance_state' for a SQLAlchemy object. I' ... : anyio-2.0.2 collected 1 item tests/functional/t...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - How to disable Bootstrap React ToogleButton responsive behaviour?

I am trying to create a React component with a react-boostrap ToggleButtonGroup with equal-sized ToggleButtons, but when ... ="btn">push</ToggleButton> </ToggleButtonGroup> </div>...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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julia - Optim: InexactError: Int64(0.01) when using IPNewton

I have this code to optimise a function using the IPNewton method (error.jl): import Optim """ Generate a matrix of ... But why is it attempting to convert it to an integer??...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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