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python - code errors bad operand type for unary -: 'str'

I am writing a code where I create noise on an S-curve, the code works because I tried it with real values and it ... show() Can you help me figure out what the problem is please?...

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

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218 views

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javascript - How to get client real ip on Nginx server

I have an issue when i try to get client ip, it gives same ip address for every client. I added these lines to ... .) But it still not working. Does anyone have any suggestions?...

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

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206 views

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html - how can i deliver two values to the django backend in jquery slider?

I want to deliver two values to the Django backend in a GET form. The two values are values[0] and values[1]. How ... input type="submit" value="search" id="search_button"> </FORM>...

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

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248 views

1 answer

javascript - Click a link and use window.open() blocks one of the links

I'm trying to create a simple JS function that will open a new window/tab when clicking a specific button, so the user will ... script> <a href="https://google.com">Click Me!</a>...

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

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337 views

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oracle - Tips on how to calculate the age on PL/SQL

I created an SQL script: {CREATE TABLE ator ( id NUMBER(3) NOT NULL, nome_artistico VARCHAR2(25) NOT NULL, nss NUMBER(11 ... if anyone could give a tip I would appreciate it a lot....

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

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274 views

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python - Finding particular outcomes of sub-lists

I'm attempting to find a way for a given list to convert into multiple sub lists. This works, however, the next ... individually next to each other or part of the larger string....

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

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470 views

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python - fill_between with matplotlib and a where condition of two lists

I am trying to shade the area before the point of intersection of the two curves produced by this example code: import ... interpolating but have not seen a simple way to do it....

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

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python - How to assign to a variable the outputs of the method "describe"?

good morning! Could you help me, please, teaching me how to assign to a variable the outputs of the method "describe"? Thanks and have a great day!...

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

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227 views

1 answer

python - Filtering a labeled image by particle area

I have a labeled image of detected particles and a dataframe with the corresponding area of each labeled particle. What I ... 236 3830 3831 4157 530 377 3831 3832 4159 3975 81...

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

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172 views

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javascript - Custom UseLayoutEffect hook firing too many times for bounding box calculation in React

So I am working on a feature to draw a hub and spoke diagram (i.e. i have a central div with other div's around it ... if you'd like to fork it and try to play with it directly....

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

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357 views

1 answer

c++11 - Make Error : Unknown CMake command "set_dist_list" when building mongo c driver 1.17.3

I am trying to build a mongocxx c driver with the latest release. I am doing this with minGW makefiles and am using ... ! See also "C:/mongo-c-driver/CMakeFiles/CMakeOutput.log"....

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

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189 views

1 answer

java - How JUnit starts

I'm figuring out how JUnit works. I can't understand how it runs itself, I understand that the surefire plugin interacts ... of package com.intellij.rt.junit is. Can you help me....

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

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267 views

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python - Dice roll sum game

Okay, I'm at a loss. I am trying to make a game where you roll a die as many times as you like, but if the ... ('you lose') else: print("ending the game") return dice_simulate()...

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

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244 views

1 answer

Need help to get YouTube Java API code working

I'm trying to make a simple program that calls the API to check video views after finding this example here but have run into a ... , and I hope you can find a solution for me. :)...

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

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274 views

1 answer

Google SpreadSheet Script to Set Current Date

I have a google sheet script that moves a row from one sheet (Review) to another (Reviewed) when the checkbox in a cell ( ... 1, 1, numColumns).moveTo(target); s.deleteRow(row);```...

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

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143 views

1 answer

python - Plotting number of texts through time

I am trying to plot the frequency through time of a dataset. Date Col1 Col2 Label 0 2020-05-28 It is not true that ... at these steps and tell me if I am doing something wrong?...

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

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273 views

1 answer

javascript - How do I make an alert that I can dismiss forever in BootstrapVue?

I'm looking to create a dismissable alert in BootstrapVue as described here. The alerts I've made based on the ... the alert (dismissed/not dismissed) in localStorage or similar?...

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

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635 views

1 answer

dart - The method 'setStringList' was called on null. when saving using Shared preferences - Flutter

I am trying to save a list called transactions inside my provider but I am getting Receiver: null Tried calling: ... sharedPreferences.clear(); saveData(); notifyListeners(); } }...

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

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294 views

1 answer

Take screenshot of python tkinter window (NOT entire computer screen)

I wish to take screenshot of python tkinter window (NOT the entire computer scrren). I applied following codes: import pyautogui ... me know how do we go about this in python ?...

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

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369 views

1 answer

pine script - A mystery of accessing variables

I clearly am a noob so I am grateful if anyone could explain why this labels numbers? //@version=4 study(title=" ... textcolor = color.black, style = label.style_none) plot(na)...

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

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194 views

1 answer

javascript - Why does my fetch fail on my server but not on local host? And array.slice breaks fetch as well

I have a piece of javascript that is supposed to get a JSON file full of questions and then save those questions to ... need to install server side nodejs?? I have no clue....

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

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276 views

1 answer

javascript - Async function doesn't wait with await before returning

Consider the following code: const getName = () => new Promise(resolve => setTimeout(resolve, 1000, 'xxx')); f = async () ... ); console.log(name); return name; } console.log(f());...

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

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508 views

1 answer

python 3.x - How do I use filter search table in my Django project

How do I go about assertationError when using django-filter in my Django project assertationError:setting 'Meta.model' ... Meta.fields' or 'Meta.exclude' has been deprecated....

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

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307 views

1 answer

c++ - Understanding comment from the errata about Item 41 of EMC++

In Item 41, Scott Meyers writes the following two classes: class Widget { public: void addName(const std::string& newName ... would still bind only to the former overload...)....

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

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557 views

1 answer

vue.js - Laravel Inertia + Vue - How to load assets

Noob to Vue and Laravel here, I am building a web app with inertia and Vue on Laravel. I have a frontend and a ... not load on frontend. How can I load them ONLY on dashboard?...

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

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390 views

1 answer

javascript - TypeError: react__WEBPACK_IMPORTED_MODULE_1___default is not a function or its return value is not iterable

I'm trying to use useState in functional component in react framework. But I am getting this error. What would be the reason? ... `}> {todo} </div> ) } enter image description here...

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

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421 views

1 answer

NxN matrix in python with non-duplicate integers (in range [0:N-1]) in both rows AND columns

In python, how to create a matrix or 2D array of N x N such that : [A] Each Row has non-duplicate integers from 0 : N-1 And [B] Each ... 0:N-1 Example : [[1 0 2] [2 1 0] [0 2 1]]...

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

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525 views

1 answer

winapi - Did SHOpenWithDialog API change in Windows 10?

I have a function which allows the user to edit a file, either with their default program, or choose a program using ... it ever returns 1 under Windows 10 as an error condition?...

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

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