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201 views

1 answer

html - Function within Function in Javascript not working

I have submit function on a button. Upon clicking "submit" a dialog box pops and asks for confirmation ... com/questions/65870432/function-within-function-in-javascript-not-working...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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90 views

1 answer

Read a list from a text file and add the list to a radio group- Android

Good day I'm building a Android App to read recipes. I want to store the recipes in text files and be able to ... from-a-text-file-and-add-the-list-to-a-radio-group-android...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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137 views

1 answer

android - Flutter ListView glitching with items have changeable height after future

I'm not sure what is wrong here scrolling the list down has no problems; but when scrolling back up ... /flutter-listview-glitching-with-items-have-changeable-height-after-future...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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150 views

1 answer

c# - What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?

I have some code and when it executes, it throws a IndexOutOfRangeException, saying, Index was outside ... /questions/65871152/i-got-system-indexoutofrangeexception-from-this-code...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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141 views

1 answer

c++ - Why is it not possible to define a static (public) member of a class in the main() function?

Why is it not possible to define a static member of a class in the main() function in C++? Consider this code: ... possible-to-define-a-static-public-member-of-a-class-in-the-main...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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76 views

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c# - What is a NullReferenceException, and how do I fix it?

question from:https://stackoverflow.com/questions/65871088/object-reference-not-set-to-an-while-accessing-form-controlfontawesome-sh...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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146 views

1 answer

How to change database (e.g. "use my_database") using RJDBC in R-Studio?

I'm having trouble finding the correct command to change databases in R-Studio. I know I can connect to a specific ... change-database-e-g-use-my-database-using-rjdbc-in-r-studio...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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76 views

1 answer

Issues with Building intent - in Android Developer tutorial

I'm trying to follow the android developer tutorial here and I'm getting an issue I don't know how ... /questions/65871015/issues-with-building-intent-in-android-developer-tutorial...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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125 views

1 answer

javascript - Can anyone help me with node.js, database querying with a search box

So I am creating a web app for a calorie counter appl, the page im stuck on currently is a search food page, so ... -anyone-help-me-with-node-js-database-querying-with-a-search-box...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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207 views

1 answer

jquery - How would you simplify this piece of javascript code?

looking for some suggestions here to improve my coding. How would you make this code shorter/more efficient? var ... /65870954/how-would-you-simplify-this-piece-of-javascript-code...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

sass - Gulpfile: How to compile each SCSS into separate CSS with same name but with additional common styles

First of all I'd like you guys to be gentle. I haven't been coding much in recent year and since gulp update ... to-compile-each-scss-into-separate-css-with-same-name-but-with-add...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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296 views

1 answer

vba - Excel custom function: Control filter/sort behavior for mixed (string) output

I have a column with cells computing a value representing file volumes in bytes and a function outputting a ... custom-function-control-filter-sort-behavior-for-mixed-string-output...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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69 views

1 answer

java - On implementing Material Search View, Textview is not shown at first launch

I'm implementing searchview for my activity. It works well but I also want to show textview at first launch. ... -material-search-view-textview-is-not-shown-at-first-launch...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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374 views

1 answer

matplotlib - Plot multiple columns of dataframe in multiple plots (Python)

i want to plot multiple columns from a dataframe in multiple plots. My code looks like this: fig, axs ... /65870861/plot-multiple-columns-of-dataframe-in-multiple-plots-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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328 views

1 answer

security - Why does using JWT refresh tokens protect against CSRF during authentication?

I have read a few articles regarding JWT refresh tokens, and how/why they are used. One thing i have ... -does-using-jwt-refresh-tokens-protect-against-csrf-during-authentication...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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312 views

1 answer

reactjs - How to fetch and display data from documents in subcollection in react

I want to display data from firestore in the simplest way because I'm a beginner in react. Here is the tree ... -to-fetch-and-display-data-from-documents-in-subcollection-in-react...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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68 views

1 answer

javascript - TypeScript caching static object imported from file

The weirdest thing just occured to me. But caching issues are always scary... In 1) I'm assigning ... .com/questions/65870740/typescript-caching-static-object-imported-from-file...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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100 views

1 answer

html - How do I get my background image to scroll?

See I have a working background and whenever I scroll down it scrolls with it. But when I scroll there is like ... /questions/65870708/how-do-i-get-my-background-image-to-scroll...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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78 views

1 answer

python - Pandas Dataframe IF condition

I would very thankful if there is somebody who could help me. I′m working with a dataframe. I have ... :https://stackoverflow.com/questions/65870684/pandas-dataframe-if-condition...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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388 views

1 answer

django - Page is not found

I have the following urls: urlspatterns=[ path('<str:urlsername>/', views.profile, name='profile'), path(' ... from:https://stackoverflow.com/questions/65870606/page-is-not-found...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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530 views

1 answer

flutter - How to create a widget that stays alive on all screens? Like spotify's miniplayer

I'm currently building a podcast app and what I want to implement is something similar to miniplayer in Spotify. ... -widget-that-stays-alive-on-all-screens-like-spotifys-miniplaye...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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173 views

1 answer

image processing - Is there any depth camera that can working on macroscale?

I want to construct depth image for surface texture. However, the object I want to construct is height range from ... /is-there-any-depth-camera-that-can-working-on-macroscale...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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309 views

1 answer

integrity - does PDF support data degradation protection?

So we can add signatures to PDF files, which sign the content hash of the document. however, ... stackoverflow.com/questions/65870532/does-pdf-support-data-degradation-protection...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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341 views

1 answer

amazon web services - Kastrel tuning for large (>1MB) response json

I have .net core MVC API implementation. In my controller I try to query for 800 records from DB. ... .com/questions/65870520/kastrel-tuning-for-large-1mb-response-json...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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157 views

1 answer

equation solving - Why does my sin calculating code in C return the wrong value?

I want to calculate the sinus of user inputs using my own functions based on this equation: sin(x) = sum_(i=0)^ ... /why-does-my-sin-calculating-code-in-c-return-the-wrong-value...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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315 views

1 answer

c# - Why does WinDbg 10.0.19041 x86 fail where WinDbg 6.12 succeeds?

Started to go to the deeper end of the pool with exploring WinDbg (not Preview). Managed to get two installations side- ... -windbg-10-0-19041-x86-fail-where-windbg-6-12-succeeds...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

163 views

1 answer

node.js - Push notification from Node backend

I have a NodeJs backend and a MySQL Database. I also have a flutter mobile app. I want to notify ... ://stackoverflow.com/questions/65870463/push-notification-from-node-backend...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

559 views

1 answer

amazon web services - Jest & AWS.DynamoDB.DocumentClient mocking

I'm trying to mock a call to AWS.DynamoDB.DocumentClient. I tried several solutions I found ... /stackoverflow.com/questions/65870436/jest-aws-dynamodb-documentclient-mocking...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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