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javascript - express PUT request is timing out

I am trying to update a file in my Mongo DB via a form using a PUT request in the browser and using ... ://stackoverflow.com/questions/65874237/express-put-request-is-timing-out...

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

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327 views

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api - Failed assertion: line 446 pos 12: 'context != null': is not true

i have a flutter application with wordpress backend, the data is in english in the backend , when the user change the ... /failed-assertion-line-446-pos-12-context-null-is-not-true...

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

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291 views

1 answer

python - Converting a nested list into list shows unhashable type

How to convert a nested list into a separate list? rec = [["A",["B","C","D"]],["B" ... stackoverflow.com/questions/65874146/converting-a-nested-list-into-list-shows-unhashable-type...

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

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65 views

1 answer

node.js - JavaScript, eccrypto.encrypt() giving an [object object] after hexing the value

Intro: Hello Community. I have been trying to encrypt a message with the https://www.npmjs.com/package/eccrypto ... -eccrypto-encrypt-giving-an-object-object-after-hexing-the-value...

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

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519 views

1 answer

visual studio code - See unsaved changes in vscode

Sometimes when closing vscode, or a tab therein, I get a dialogue asking "Do you want to save the ... https://stackoverflow.com/questions/65874120/see-unsaved-changes-in-vscode...

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

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208 views

1 answer

c# - Passing data into shaderlabs is being very strange

I'm trying to pass a vector array into a shader in unity, but every vector in the array is ... com/questions/65874059/passing-data-into-shaderlabs-is-being-very-strange...

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

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261 views

1 answer

function - How to write a prolog program for recursive subtraction

I want a recursive subtraction program in prolog. the scheme of the program is (define (sub m n) ( ... questions/65874036/how-to-write-a-prolog-program-for-recursive-subtraction...

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

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1.6k views

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discord.py - Discord Music Bot im Python adding a Queue

I'm adding a music feature to my bot so that it can play songs from youtube. So far the bot can ... stackoverflow.com/questions/65874029/discord-music-bot-im-python-adding-a-queue...

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

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411 views

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python - Tkinter Label display and disappear when they are created

I'm trying to add new labels (I'll probably switch to buttons but I think the behavior is the same) ... questions/65874024/tkinter-label-display-and-disappear-when-they-are-created...

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

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290 views

1 answer

php - Send Header with HMacSha256 API Key

I am trying to send a header that is in this type of format: "method": "user.auth", "params": [ ... https://stackoverflow.com/questions/65874014/send-header-with-hmacsha256-api-key...

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

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262 views

1 answer

firebase - Why are there so many READ operations with a function that loads a single document?

I am building a Flutter application that loads a document from Cloud Firestore and displays its content in a ... read-operations-with-a-function-that-loads-a-single-docume...

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

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154 views

1 answer

javascript - set JQuery action for each element spread

I have a list of check boxes Object { 0: div.checkbox-toggle, 1: div.checkbox-toggle, 2: div. ... /stackoverflow.com/questions/65873927/set-jquery-action-for-each-element-spread...

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

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298 views

1 answer

dataframe - extract new columns and fill values based on categorical values data frame in python

I have a data frame where one column is categorical strings and the next one is the values corresponding to it: df ... -and-fill-values-based-on-categorical-values-data-frame-in-py...

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

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305 views

1 answer

oop - Modifying the logic in base class method overridden by lot of child classes

Are there any rules regarding modifying a parent class method which has been overridden by lot of child classes. Is ... -in-base-class-method-overridden-by-lot-of-child-classes...

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

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501 views

1 answer

torchvision and tensorflow-gpu import

I recently installed torchvision==0.5.0 and tensorflow-gpu=1.15.0.? When I import torchvision, then ... //stackoverflow.com/questions/65874607/torchvision-and-tensorflow-gpu-import...

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

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223 views

1 answer

node.js - After heroku deploy, my app still uses my environment values for development

I have angular app which is deployed on heroku. I am using bilding first my app with ng build --prod and ... -heroku-deploy-my-app-still-uses-my-environment-values-for-development...

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

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146 views

1 answer

php - mysqli_real_escape_string() and/or mysqli_set_charset() not working properly

I am having an issue with mysqli_real_escape_string() function. For reference, I'm working locally on MAMP (PHP ... -escape-string-and-or-mysqli-set-charset-not-working-properly...

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

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383 views

1 answer

reactjs - npm create-react-app myapp gives error Command failed: create-react-app spawn EPERM

Months ago, on my home PC I installed nodejs, react, etc., and got various tutorial sample projects working. Now ... -app-myapp-gives-error-command-failed-create-react-app-spawn-ep...

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

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170 views

1 answer

reactjs - React sometimes rerenders between two setStates, depending on setState order

I've got two simple useStates. At one point, they're set, one after another. This happens within a ... /react-sometimes-rerenders-between-two-setstates-depending-on-setstate-order...

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

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317 views

1 answer

c - 1D array ----> 2D or multi-dimension array code

the whole code is okay until last 3 newlines but I want to check if there is a way to write it properly ... .com/questions/65874514/1d-array-2d-or-multi-dimension-array-code...

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

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1.3k views

1 answer

read eval print loop - How do I get the last evaluated expression in OCaml's toplevel?

How do I refer to the last evaluated expression in OCaml's toplevel repl? I.e. JavaScript uses $_, python uses ... /how-do-i-get-the-last-evaluated-expression-in-ocamls-toplevel...

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

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296 views

1 answer

javascript - Changing the background color with click using queryselector

I tried to change the background color with querySelector but it doesn't work, is there something wrong ... /65874372/changing-the-background-color-with-click-using-queryselector...

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

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132 views

1 answer

Postmates returns error for create delivery request

Here are the request parameters: { "dropoff_address":"Some Valid address", "dropoff_name":"Some Valid ... /questions/65874341/postmates-returns-error-for-create-delivery-request...

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

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165 views

1 answer

Write lines of text to a file in R

In the R scripting language, how do I write lines of text, e.g. the following two lines Hello World to a file ... .com/questions/65874339/how-to-write-data-to-txt-file-in-r...

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

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666 views

1 answer

angular - Getting Error: Uncaught (in promise): TypeError: Cannot read property 'value' of null when I implement ngAfterViewInit

I'm trying to show a Google Map which gets the place_id from an html value. activity-details.page.html ... -error-uncaught-in-promise-typeerror-cannot-read-property-value-of...

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

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255 views

1 answer

Unable to pull data from xlsx into powershell

Please bear with me as I am a complete beginner. I am trying to create a phone list where in powershell it ... .com/questions/65874744/unable-to-pull-data-from-xlsx-into-powershell...

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

0 votes

319 views

1 answer

machine learning - Darknet.exe Prints out Cuda & Opencv Version When Run

I have been trying to make an inference using the Yolov4 Darknet model I trained, and whenever I try to ... questions/65874720/darknet-exe-prints-out-cuda-opencv-version-when-run...

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

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242 views

1 answer

Not getting last value of API response when fetching through testng selenium java script

Having a post groovy api,that takes "Form URL encoded" which runs and generates a encoded value in response. ... -value-of-api-response-when-fetching-through-testng-selenium-jav...

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

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