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python - Add 3 variable to an empty DataFrame

I want to append 3 variables to an empty dataframe after each loop. dfvol = dfvol.append([stock,mean,median ... .com/questions/65874283/add-3-variable-to-an-empty-dataframe...

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

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1.3k views

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electron - how to add previous,play/stop,next in windows 10 minimizes

how to add Previous,Play/Stop,Next into my electron app same as in Spotify I don't know how to make or do ... /65874261/how-to-add-previous-play-stop-next-in-windows-10-minimizes...

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

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158 views

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python - Asking the user for input until they give a valid response

I am writing a program that accepts an input from the user. #note: Python 2.7 users should use `raw_input`, the ... -help-want-a-question-to-loop-back-if-right-answer-isnt-given...

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

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262 views

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objective c - After checking all relevant Xcode settings, my executable still says "was compiled with optimization". Any suggestion?

I am developing a macOS application in Objective-C and I am using this apple example as a base for my ... checking-all-relevant-xcode-settings-my-executable-still-says-was-compil...

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

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68 views

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java - when i pick image it doesn't appeer

Manifest: <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> imageView.setOnClickListener(new View. ... 65874223/when-i-pick-image-it-doesnt-appeer...

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

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1.3k views

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payment gateway - Flutter Web: Implemented solution using HtmlElementView, IFrameElement, registerViewFactory is not working in ios

I have implemented a solution to integrate an online payment gateway in my flutter web project ... /flutter-web-implemented-solution-using-htmlelementview-iframeelement-register...

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

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232 views

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php - Laravel HasMany relationship not giving expected result

I have three table with following columns: posts table id author title content seen post_img post_category ... /65874110/laravel-hasmany-relationship-not-giving-expected-result...

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

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1.5k views

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woocommerce - How can I fix wordpress fatal-error braintree?

How can I fix fatal error? Fatal error: Cannot declare class WC_Braintree_Payment_Gateway, because the name is already ... /65874088/how-can-i-fix-wordpress-fatal-error-braintree...

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

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316 views

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Firebase hosting is blocking HTTP request made by hosted "Angular 8 application"

New to Firebase, New to Hosting Type of Application : Angular 8 Weather application for personal project Type of ... -is-blocking-http-request-made-by-hosted-angular-8-application...

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

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81 views

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python - Make GET request with a GET request url

This question already has answers here: question from:https://stackoverflow.com/questions/65874003/make-get-request-with-a-get-request-url...

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

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213 views

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multithreading - PyQt5: Python crashes with SIGSEGV *sometimes* when sending pixmap via a signal from another thread

Background and Issue I am trying to process streaming data from a camera. Python keeps crashing with this ... crashes-with-sigsegv-sometimes-when-sending-pixmap-via-a-signal...

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

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406 views

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node.js - node_modules/@discordjs/opus/prebuild/node-v83-napi-v3-win32-x64-unknown-unknown/opus.node: invalid ELF header

So I'm making a Discord Bot that relays audio from one voice channel to another, and I ran into a bug. ... -discordjs-opus-prebuild-node-v83-napi-v3-win32-x64-unknown-unknown...

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

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292 views

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mysql - Print console output of the run time of a pymysql query

I am using pymysql to execute some sql insertion queries. I am using LOAD DATA INFILE and it works fine. Usually when ... /print-console-output-of-the-run-time-of-a-pymysql-query...

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

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129 views

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php - get num_rows and result() data in same function and past to controller data in codeigniter

Good day. I am trying to show the users what is in the DB and ask him if he still want to insert the ... and-result-data-in-same-function-and-past-to-controller-data-in-c...

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

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228 views

1 answer

css - How to stop div from overlapping over my nav bar?

Web app uses react styled components. Working on my main layout file and struggling with the responsiveness. Still learning so ... /how-to-stop-div-from-overlapping-over-my-nav-bar...

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

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1.1k views

1 answer

write a simple program in python about sum in list

I want to write a program to give some number for user then if sum of 3 number in list == 0 prit yes: ... com/questions/65873850/write-a-simple-program-in-python-about-sum-in-list...

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

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106 views

1 answer

Python list management question (specific example)

Closed. This question needs to be more focused. It is not currently accepting answers. question from: ... .com/questions/65873822/python-list-management-question-specific-example...

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

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91 views

1 answer

Powershell: Convert string with/without leading numbers to integer

I am looking for the smartest way to convert a string with leading numbers into an integer value. It ... 65874606/powershell-convert-string-with-without-leading-numbers-to-integer...

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

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197 views

1 answer

python - Error writing stream on console format pyspark

Using Windows 10. Pyspark==3.0.1. My code: spark = SparkSession.builder.appName("app").getOrCreate() ... .com/questions/65874601/error-writing-stream-on-console-format-pyspark...

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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222 views

1 answer

sequence - How to approach sequential classification problem?

I'm doing a case study for a company (X). While the data is quite expansive, contains ... stackoverflow.com/questions/65874520/how-to-approach-sequential-classification-problem...

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

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318 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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612 views

1 answer

colors - How to make image background white instead of black?

I am a beginner. I have this kv code: <Pat_layout>: BoxLayout: orientation: "vertical" size: root.width, ... questions/65874504/how-to-make-image-background-white-instead-of-black...

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

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283 views

1 answer

median - how to design a data structure that getMedian and insert in O(1)?

I thought about doing this in sort array and save the index of the median and its takes O(1). but I couldn't ... /how-to-design-a-data-structure-that-getmedian-and-insert-in-o1...

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

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143 views

1 answer

c - returning an address of a local variable

This question already has answers here: question from:https://stackoverflow.com/questions/65874443/returning-an-address-of-a-local-variable...

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

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423 views

1 answer

javascript - nuxt auth : Google provider return invalid_request

I try to set google authentication with Nuxt Auth module, but I got following error from google: Error ... com/questions/65874436/nuxt-auth-google-provider-return-invalid-request...

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

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92 views

1 answer

Compiling a php extension - Compiler warnings

I try to compile a php extension which I ported from PHP 5 to PHP 7. I ported it based on ... ://stackoverflow.com/questions/65874427/compiling-a-php-extension-compiler-warnings...

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

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375 views

1 answer

php - LARAVEL: Tax Amount Not Appearing In Return Invoice Receipt But Appearing In Sale Invoice

Tax Amount Not Appearing In Return Invoice Receipt But Appearing In Sale Invoice. Here is my tax amount code which ... -not-appearing-in-return-invoice-receipt-but-appearing-in-sal...

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

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