OStack Q&A-Knowledge Sharing Community

0 votes

155 views

1 answer

javascript - Using a index as a key in react. When it is affect and when it doesn't?

(This question already has answers here): question from:https://stackoverflow.com/questions/66059076/using-a-index-as-a-key-in-react-when-it-is-affect-and-when-it-doesnt...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

879 views

1 answer

filter - Power BI - Get last month from last year

I have this table: Year Month Agency Value 2019 9 1 233 2019 9 4 132 2019 8 3 342 2020 3 2 321 ... //stackoverflow.com/questions/66059016/power-bi-get-last-month-from-last-year...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

260 views

1 answer

MySQL multiple "left join" and "having"

I have tables: 1.Workers(id,name) 2.BonusPenalties(id,worker_id,type,worker_id,value) 3.Fouls(id, ... stackoverflow.com/questions/66059009/mysql-multiple-left-join-and-having...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

282 views

1 answer

rest - Idempotent POST methods header in response

I'm implementing an idempotent POST method. So in the request, I have a mandatory header X-Request ... .com/questions/66058939/idempotent-post-methods-header-in-response...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

273 views

1 answer

Separate Google login from Google Calendar API

I have a platform that allows people to sign up/log in with their Google account. Inside the platform, ... .com/questions/66058926/separate-google-login-from-google-calendar-api...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.9k views

1 answer

remove blue background color in Python OpenCV

the task is to remove the blue background in the picture, how can I implement that? question from:https:/ ... .com/questions/66059653/remove-blue-background-color-in-python-opencv...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

329 views

1 answer

compiler construction - Reaching Definitions analysis - is my solution correct

I am asked to write the reaching definition for the following code and I am wondering if my solution ... com/questions/66059602/reaching-definitions-analysis-is-my-solution-correct...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

176 views

1 answer

postgresql - What is the correct syntax when creating new column containing multiple records

I'm having trouble with Elixir/Phoenix documentation, so I thought I'd ask here. I created a table ... -the-correct-syntax-when-creating-new-column-containing-multiple-records...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

95 views

1 answer

java - Can I call this an SPI pattern?

Given a hypothetical TransportConsultancy business that provides cost of travel by various airlines to its customers. New ... /questions/66059427/can-i-call-this-an-spi-pattern...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

164 views

1 answer

java - How to convert .xls, .xlsx file to .pdf file

How to convert .xls or .xlsx file to .pdf file in java. Is there any open source java jar or java library is ... .com/questions/66059422/how-to-convert-xls-xlsx-file-to-pdf-file...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

424 views

1 answer

yocto - which recipe will be used first?

If I have many recipes, ex: dmidecode_1.0.bb dmidecode_1.1.bb dmidecode_git.bb when I doing: ... stackoverflow.com/questions/66059355/which-recipe-will-be-used-first...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

373 views

1 answer

excel - How to Capture Paragraph heading and Page number of Comment in MS Word

I have this VB code that extracts comment and Author name from MS Word to Excel, How do I capture Paragraph ... -capture-paragraph-heading-and-page-number-of-comment-in-ms-word...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

308 views

1 answer

windows - Edge-Chromium - Registry settings for proxy server does not work immediately

I need to switch proxy server settings for edge-chromium with powershell. The settings will be stored in > ... chromium-registry-settings-for-proxy-server-does-not-work-immediately...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

360 views

1 answer

dart - "extends" versus "implements" versus "with"

I want to understand the difference between extends, implements and with. When do I use each keyword? question from ... /what-is-the-difference-between-implement-and-extend-in-dart...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

226 views

1 answer

Active resource rails not fetching data

This is active.rb class Active < ActiveResource::Base self.site = "http://localhost:3002/api/v1/ ... stackoverflow.com/questions/66059207/active-resource-rails-not-fetching-data...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

509 views

1 answer

guzzle client throws exception in laravel

I am trying to make a http post request in laravel as below $client = new Client(['debug'=>true,' ... stackoverflow.com/questions/66055725/guzzle-loading-for-ever-when-fetching-api...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

197 views

1 answer

sql server 2012 - Restore Database window won't resize

I need help, I can't seem to find the option to resize the window in SQL Server 2012. I can ... :https://stackoverflow.com/questions/66055718/restore-database-window-wont-resize...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

180 views

1 answer

sql - recursive associations many to many and primary keys and foreign keys

Hi i have ER scheme with an recursive associations many to many with primary keys for example: ______(0,N) ... recursive-associations-many-to-many-and-primary-keys-and-foreign-keys...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

289 views

1 answer

Pandas/Django - Cannot convert csv saved as filefield into dataframe

I'm building a database that stores csv files and presents them when a user selects the csv he/she wants ... /pandas-django-cannot-convert-csv-saved-as-filefield-into-dataframe...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

166 views

1 answer

python - Django | Cannot access URLs without a trailing "/"

I have a Django application where, for some reason, I cannot load my URLs without a trailing "/" I ... .com/questions/66055495/django-cannot-access-urls-without-a-trailing...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

367 views

1 answer

bash - xargs for multiple arguments, each with two inputs

I have a script.sh that's just a wget: wget https://stuff/$1/$2/etc Basically I need, for each ... .com/questions/66055390/xargs-for-multiple-arguments-each-with-two-inputs...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

334 views

1 answer

I can't manage to get to scroll down in Selenium using python

I am trying to scroll down the page because the help element overlaps the next page button after I click the button ... -cant-manage-to-get-to-scroll-down-in-selenium-using-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

324 views

1 answer

Updating content of Blazor popover using Ant Design

I'm building a Blazor app using Ant Design Docs | Nuget The code below displays a popover when the user ... /questions/66055319/updating-content-of-blazor-popover-using-ant-design...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

359 views

1 answer

Comparing Two Queries in Grafana and display only unique results

Ok, here is my scenario. I am querying two separate data sources in Grafana 7.1.x. In both datasources ... 66055254/comparing-two-queries-in-grafana-and-display-only-unique-results...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

373 views

1 answer

recursion - Haskell function to recursively remove all occurrences of a given value in a list

(Closed). This question needs details or clarity. It is not currently accepting answers. question from:https://stackoverflow. ... -remove-all-occurrences-of-a-given-value-in-a-lis...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

444 views

1 answer

powerbi - Power BI Matrix

Wanted to see how it would be possible to add in another column to a matrix in Power BI? Measure has ... question from:https://stackoverflow.com/questions/66055840/power-bi-matrix...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

85 views

1 answer

python - My data has no nan but I keep getting the finite error

Context I am trying to normalise my data to run a ML model. I am using np.log on my data plt.hist(np.log( ... /66055838/my-data-has-no-nan-but-i-keep-getting-the-finite-error...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

121 views

1 answer

javascript - My dropdown Menu does not working (react.js)

I need help with this code, at the end production process on the page called projects, my dropdown menu does ... com/questions/66055817/my-dropdown-menu-does-not-working-react-js...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Recent questions

Just Browsing Browsing

Most popular tags