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How to make a game over system for a Ping Pong game in Python?

recently I have been trying to follow youtube tutorials on how to program a Ping Pong game. I managed to make it work ( ... -make-a-game-over-system-for-a-ping-pong-game-in-python...

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

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205 views

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php - NAN when dividing 0 by 0

I made a Poll Voting with an Result Page. But wenn there are no votes it gives me an NAN Calc Error. Code ... :https://stackoverflow.com/questions/65643817/nan-when-dividing-0-by-0...

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

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268 views

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Docker run command not recognised

I am trying to run a server and a client in my localhost using java and sockets. So i created a ... :https://stackoverflow.com/questions/65643807/docker-run-command-not-recognised...

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

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188 views

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javascript - Kurento onicecandidate event not invoked for browser

I'm trying to develop an application using kurento Media Server. I'm using NodeJS as application server ... /questions/65643803/kurento-onicecandidate-event-not-invoked-for-browser...

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

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220 views

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reactjs - Google Maps JavaScript API library must be loaded - convert solution for react functional component

This solution (below) was given and fixes the problem of checking PlacesAutocomplete is loaded first before trying to ... api-library-must-be-loaded-convert-solution-for-react-f...

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

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812 views

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reactjs - Module not found: Can't resolve 'react-dom/unstable-native-dependencies'

I am writing applications with React Native. I am using Expo. My React and react-dom versions are 17.0 ... /module-not-found-cant-resolve-react-dom-unstable-native-dependencies...

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

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299 views

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typescript - Understanding react-native init template and files: What are all these files?

Today I started to play around with a fresh React Native project. I ran the basic react-native init command and ... -react-native-init-template-and-files-what-are-all-these-files...

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

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127 views

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Dart- Exception after run my flutter search app

My question about how can i handle this exception error that appear on my mobile when i execute it with red ... /questions/65643406/dart-exception-after-run-my-flutter-search-app...

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

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340 views

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How to subset rows based on date overlap range efficiently using python pandas?

My data frame has two date type columns: start and end (yyyy-mm-dd). Here's my data frame: import ... to-subset-rows-based-on-date-overlap-range-efficiently-using-python-pandas...

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

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244 views

1 answer

database - Sudden any node down on Cassandra cluster

We are facing sudden node down across the cluster and after some time it is recovering automatically. This ... com/questions/65643393/sudden-any-node-down-on-cassandra-cluster...

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

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186 views

1 answer

How can I edit a program .exe and remove some parts of it?

I have an file .exe, when I run that file, they ask me firstly to skip ads but both option are broken like below so ... /how-can-i-edit-a-program-exe-and-remove-some-parts-of-it...

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

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255 views

1 answer

javascript - UseContext React hooks

how can I use UseContext to make this const '' data '' accessible throughout my project? I'm trying ... from:https://stackoverflow.com/questions/65643346/usecontext-react-hooks...

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

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261 views

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database - Distinct or Union is selecting duplicate data in SQL Server

I have a table with 526 rows and has lot of duplicate data. For removing duplicate I used this script: ... 65643343/distinct-or-union-is-selecting-duplicate-data-in-sql-server...

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

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307 views

1 answer

javascript - Vue JS console logging return an Observer

Here how are my datas in the store : Here my code : fetchNotifications() { let notifications = {} ... .com/questions/65643257/vue-js-console-logging-return-an-observer...

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

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218 views

1 answer

python - One hot encoding from numpy

I am trying to understand values output from an example python tutorial. The output doesent seem to be in ... ://stackoverflow.com/questions/65643248/one-hot-encoding-from-numpy...

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

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323 views

1 answer

.net - What SQL Server version or platform is EngineEdition "SQL Database" in SERVERPROPERTY

What version or platform is "SQL Database" (value 5) in SERVERPROPERTY('EngineEdition'). The Microsoft ... -version-or-platform-is-engineedition-sql-database-in-serverpro...

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

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184 views

1 answer

html - Pass image link as props

I wanted to pass image link through 2 child components. I put my link inside state and passed it but it's ... :https://stackoverflow.com/questions/65643198/pass-image-link-as-props...

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

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245 views

1 answer

ruby - Validations in Rails

I have designed a very simple web application which associates authors, books and ratings. In each of the ... from:https://stackoverflow.com/questions/65643213/validations-in-rails...

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

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802 views

1 answer

magento2 - Razorpay Magento 2.X plugin giving error on calling Graphql placeOrder query

Mutation setPaymentMethodOnCart working fine with razorpay code and giving success. But when we run below mutation ... x-plugin-giving-error-on-calling-graphql-placeorder-query...

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

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184 views

1 answer

PYTHON > Rearrange item data ("date") within .csv file

Source csv: column a, column b, 2021-01-09, column d column a, column b, 2021-01-10, column ... .com/questions/65643147/python-rearrange-item-data-date-within-csv-file...

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

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233 views

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c - asprint memory leak need help understand where leak is coming from and possible fixes

Note: I did call this function and free it main but valgrind still shows error. This code basically takes in a ... -leak-need-help-understand-where-leak-is-coming-from-and-possible...

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

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192 views

1 answer

Isdigit() not working for values in range of 48- 58 in C

I am trying to create program which checks if input from user is a number. This works fine for all of the number and ... /isdigit-not-working-for-values-in-range-of-48-58-in-c...

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

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530 views

1 answer

vuejs3 - How do I use jsx syntax in vue files in vue3

For example, I want to use these codes in Hello.vue: <template> <RenderComponent :data="hello" /> </template> <script> ... /65643112/how-do-i-use-jsx-syntax-in-vue-files-in-vue3...

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

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140 views

1 answer

r - Extracting specific columns from a data frame

I have an R data frame with 6 columns, and I want to create a new dataframe that only has three of the ... questions/65643103/how-to-create-a-small-dataframe-from-a-large-dataframe...

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

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185 views

1 answer

python - Flowchart nested for-loop

I have this code and I tried to do a flowchart but I have no clue how to make one. All of ... question from:https://stackoverflow.com/questions/65643074/flowchart-nested-for-loop...

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

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205 views

1 answer

Can't get accelerator key to work with WPF radio button

I am trying to assign a shortcut to a WPF radio button which is inside a grid which is inside a tab item ... /65643932/cant-get-accelerator-key-to-work-with-wpf-radio-button...

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

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326 views

1 answer

python - is it normal that pyautogui does not react to double click as my mouse does?

when I try to double click with pyautogui it doesn't work, for exampe to rename some icons on mac, it can't ... -that-pyautogui-does-not-react-to-double-click-as-my-mouse-does...

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

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415 views

1 answer

javascript - Fetching data and updating the isLoading but setState isn't updating correctly and it always ends up being the initial isLoading state

const App = () => { const [user, setUser] = useState({ name: "", organisationName: "", id: "", ... /fetching-data-and-updating-the-isloading-but-setstate-isnt-updating-correctly-a...

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

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