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reactjs - has been blocked by CORS policy

This question already has answers here: question from:https://stackoverflow.com/questions/65837167/has-been-blocked-by-cors-policy...

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

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rest - error when importing robotframework result into xray

I want to import the result of my execution (robot framework) with REST API into JIRA. I used the ... .com/questions/65837629/error-when-importing-robotframework-result-into-xray...

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

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R studio: Decompose / pivot a dataframe to calculate the mean value for each variable at various time segments for each group

I have a dataframe that looks like this: It contains the daily data for var1, var2, var3 for city A,B,C ... -decompose-pivot-a-dataframe-to-calculate-the-mean-value-for-each-var...

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

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java - Single job to run in a clustered Quartz scheduler connected to multi-datacenter SQL (db)

I am new to quartz scheduling and thus I read a lot of about how only one job runs in a clustered ... -to-run-in-a-clustered-quartz-scheduler-connected-to-multi-datacenter...

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

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javascript - Copy to clipboard using textarea and document.execCommand('copy) is a problem when MUI popovers are open

An MUI Menu (PopOver) is open with a MenuItem for 'Copy to Clipboard' Option. The MenuItem has an < ... to-clipboard-using-textarea-and-document-execcommandcopy-is-a-problem-wh...

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

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node.js - Take daily snapshot of table in Postgresql and append it to another table

I have a table in Postgresql which stores product information and it's price. The problem is, as price of the ... -snapshot-of-table-in-postgresql-and-append-it-to-another-table...

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

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artificial intelligence - ID3 and neural networks learning model

I'm trying to find out what is the learning model of ID3 and Neural Networks -is it global or ... //stackoverflow.com/questions/65837612/id3-and-neural-networks-learning-model...

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

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python - NumPy fast iteration trough image

I'm trying to get the extreme points in a binary image that has a rectangular shape (more or less) ... ://stackoverflow.com/questions/65837329/numpy-fast-iteration-trough-image...

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

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setting git submodule to a commit after cloning

I'm working on a project which uses other repos which I add as submodules. What I want to do is to ... .com/questions/65837254/setting-git-submodule-to-a-commit-after-cloning...

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

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amazon web services - AWS Amplify: AmplifyException 'You are not authorized to make this call.'

I have integrated aws amplify into and android app by following https://docs.amplify.aws/lib/q/platform/ ... amplify-amplifyexception-you-are-not-authorized-to-make-this-call...

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

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android - How to switch to an existing activity, rather than start a new one

I have a location service running and I want to alert the user if my main activity hasn't been active for several ... to-switch-to-an-existing-activity-rather-than-start-a-new-one...

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

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sql - Firebird transliteration issue: conversion from utf8 client to win1252 db server

I am facing a problem when trying to update data in a firebird database. Setup is the following: NodeJS ... -transliteration-issue-conversion-from-utf8-client-to-win1252-db-server...

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

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recursion - Explanation of Output For Simple Reverse String Algorithm in C

This is just a simple program that reverses a string (shown below). I understand how to actual recursion part ... /explanation-of-output-for-simple-reverse-string-algorithm-in-c...

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

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go - Reverse proxy with dynamic host and port

I would like that if request localhost:8080?url=google.com it serves as a reverse proxy to Google. I ... .com/questions/65837686/reverse-proxy-with-dynamic-host-and-port...

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

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java - Can't open Audio File saved on External Storage

I can save correctly the audio file in the directory i wanna, but when i try to open it on the phone, ... .com/questions/65837639/cant-open-audio-file-saved-on-external-storage...

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

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swift - Conditionally use view in SwiftUI

I'm trying to figure out the correct way to conditionally include a view with swiftui. I wasn't able to use the if ... .com/questions/65837453/how-to-switch-a-to-a-view-in-swiftui...

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

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list - How to Look Up Keys From Values in Dictionary

Currently learning about Dictionaries and working on a small program with Openpyxl. I have a question on looking up Keys ... /65837391/how-to-look-up-keys-from-values-in-dictionary...

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

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mysql - Setting HTML Content-Type charset to UTF-8 "destroys" SQL-requests

On my website I use content that comes either of MySQL-databases or is directly written in the files. The ... setting-html-content-type-charset-to-utf-8-destroys-sql-requests...

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

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python - Manipulate a column or a few columns based on a cell value

I am using pandas data frame to read an excel file import pandas as pd df = pd.read_excel('inputExcel.xlsx') df df ... /manipulate-a-column-or-a-few-columns-based-on-a-cell-value...

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

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wpf - Two groupboxes in dockpanel, how to set resizing (strech & fixed) correctly?

I have a very basic layout, but still not able to get the behaviour I want. Stupid me... My grid ... /two-groupboxes-in-dockpanel-how-to-set-resizing-strech-fixed-correctly...

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

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javascript - What do querySelectorAll and getElementsBy* methods return?

Do getElementsByClassName (and similar functions like getElementsByTagName and querySelectorAll) work the same as getElementById ... /65837076/why-do-i-keep-getting-undefined...

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

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dynamic - problem with deleting list item in prolog

my code in prolog :- dynamic kitchenfurniture/1. kitchenfurniture([furniture(fridge,1), furniture(table,2), ... com/questions/65837552/problem-with-deleting-list-item-in-prolog...

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

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Google Sheets Query using important range and a dynamic cell reference

I have a roster of students (Sheet 1) and I need a formula to search another sheet (Sheet 2) to see ... /google-sheets-query-using-important-range-and-a-dynamic-cell-reference...

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

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node.js - Express, Multer, and Cloudinary not returning full cloudinary response

I'm using Multer/multer-storage-cloudinary to upload images directly to Cloudinary rather first uploading it ... -multer-and-cloudinary-not-returning-full-cloudinary-response...

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

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python - How to normalize a confusion matrix?

I calculated a confusion matrix for my classifier using the method confusion_matrix() from the sklearn package ... .com/questions/65837460/how-to-normalize-confusion-matrix...

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

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javascript - How to collapse only selected row ? Angular

I want to toggle only the selected row, but I can't do that? Check my code all and demonstration ... stackoverflow.com/questions/65837242/how-to-collapse-only-selected-row-angular...

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

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241 views

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oracle - In SQL, how calculate a value based on a range

I have two tables and need to calculate a new value, as I show below This table contains information about items and ... /65837180/in-sql-how-calculate-a-value-based-on-a-range...

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

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c - Modify an existing line in file and trim the rest of the line

Please help me, I made a function to modify a line in file using C language. Now my problem is that although the line ... -an-existing-line-in-file-and-trim-the-rest-of-the-line...

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

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