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javascript - Deleting an array element of a react state

I know this is not react problem and I suck at coding. Can somebody tell me why my code is running so ... .com/questions/65871377/deleting-an-array-element-of-a-react-state...

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

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370 views

1 answer

reactjs - I want to access a specific indexed object from object of array of REDUX STORE in REDUX REDUCER

I want to access a specific indexed object from object of array of REDUX STORE in REDUX REDUCER. But what would ... -specific-indexed-object-from-object-of-array-of-redux-store-i...

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

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656 views

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concurrency - What is the hidden queue in monitor implementation using semaphores?

I am trying to solve this question and need some help about monitor implementation using semaphores. Question: ... -is-the-hidden-queue-in-monitor-implementation-using-semaphores...

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

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229 views

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pandas - What could cause this simple code to fail once but then work perfectly when rerun on the same data and environment?

I have run this code thousands of times without errors. One day it fails. Reran with the same data and it worked ... this-simple-code-to-fail-once-but-then-work-perfectly-when-reru...

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

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411 views

1 answer

wordpress - How to create mailto that populates subject post/product title

I have a woocommerce site and want to have a mailto button for more information. I want the email to ... 65871284/how-to-create-mailto-that-populates-subject-post-product-title...

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

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122 views

1 answer

Raspberry Pi Zero W: ADS1115 always returns static value when used in python

I was planning to use a raspberry pi zero w to measure analog values in an off grid setting, but there was an ... pi-zero-w-ads1115-always-returns-static-value-when-used-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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css - Why is my mobile nav menu drawer pushing the site view downwards when it is opened?

Building a mock website for a family member (placeholder photos). When I open the navigation menu, it pushes the ... menu-drawer-pushing-the-site-view-downwards-when-it-is-open...

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

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114 views

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android - How can I simulate in the most realistic way captured sensor data?

For App debugging purposes, I want to record and store the raw data from a Smartphone's IMU and camera lens (wide ... -can-i-simulate-in-the-most-realistic-way-captured-sensor-data...

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

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129 views

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Combine multiple table entries in java with kafka streams

so i have a table that contains text entries with a text type and a foreign key. This table is ... questions/65871157/combine-multiple-table-entries-in-java-with-kafka-streams...

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

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126 views

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reactjs - Find Value of an array of Object with criterias

please help a brother i am new to react i have a demo data that i want to render to my homescreen component ... /questions/65871085/find-value-of-an-array-of-object-with-criterias...

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

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305 views

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c++ - My program of infix to postfix gives runtime error

Below is an simple program to convert infix expression to postfix expression. It takes an infix expression in main ... /65870935/my-program-of-infix-to-postfix-gives-runtime-error...

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

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347 views

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MATLAB VS Python indexing , IndexError: index 9654 is out of bounds for axis 0 with size 9654?

I am coverting a Matlab code into python. I got this error : a[n_max] = 0 IndexError: index 9654 is out of ... python-indexing-indexerror-index-9654-is-out-of-bounds-for-axis-0-w...

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

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1.1k views

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sass - Gulpfile: How to compile each SCSS into separate CSS with same name but with additional common styles

First of all I'd like you guys to be gentle. I haven't been coding much in recent year and since gulp update ... to-compile-each-scss-into-separate-css-with-same-name-but-with-add...

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

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1.1k views

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computer vision - Strange semantic segmentation results with UNet in Pytorch

I was just trying to train UNet from scratch with a mammography dataset to detect tumor tissue in ... /65872009/strange-semantic-segmentation-results-with-unet-in-pytorch...

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

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1.4k views

1 answer

cassandra - Why can't I run CassandraDB on Windows 10 with the latest Java installed?

When I try to start up Cassandra DB under windows 10, It complains about the Java version: Cassandra 3.0 and ... -i-run-cassandradb-on-windows-10-with-the-latest-java-installed...

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

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1.0k views

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chromium - What is used for webgl in default on Chrome macOS?

Here is the webglreport information when using defferent chrome launch options on macOS: default: Unmasked Renderer:Intel(R) ... /what-is-used-for-webgl-in-default-on-chrome-macos...

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

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167 views

1 answer

html - Why is "Read more" opening a link list in another link box's "Read more"?

I put in footer of my Wordpress website two link boxes, one next to another, with 20 links each (Box1 and Box2). ... -read-more-opening-a-link-list-in-another-link-boxs-read-more...

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

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83 views

1 answer

python - How to download images while numbering (with multiprocessing)

I want to save the files in order of the list. (like bbb.jpg->001.jpg, aaa.jpg -> 002. ... .com/questions/65871742/how-to-download-images-while-numbering-with-multiprocessing...

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

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130 views

1 answer

python - Apply if-else function to each cell in a dataframe results in ambiguous exception

I have a pandas dataframe like this: index a b c 1 1 12 15 2 5 15 16 question from:https:// ... -else-function-to-each-cell-in-a-dataframe-results-in-ambiguous-exceptio...

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

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218 views

1 answer

DFT(discrete fourier transform) using matlab

I have some problems with transforming my data to the f-k domain. I could see many examples on ... //stackoverflow.com/questions/65871714/dftdiscrete-fourier-transform-using-matlab...

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

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332 views

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indexing - SQL Server unique vs not unique index INSERT performance

I would like to create a covering index to improve query performance. I do know that this one more index ... /65871602/sql-server-unique-vs-not-unique-index-insert-performance...

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

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173 views

1 answer

git - Nesting repositories and make them independently pullable/deployable?

I'm not sure if the following is a reasonable thing to do (and would appreciate to be ... questions/65871594/nesting-repositories-and-make-them-independently-pullable-deployable...

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

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695 views

1 answer

linux mint - Unable to locate package postgresql "version"

I'm having this problem while installing postgres version 11.5 on Linux Mint 19.3 sudo apt-get ... stackoverflow.com/questions/65871578/unable-to-locate-package-postgresql-version...

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

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221 views

1 answer

Sapply: the character of standard deviation in R

I am using sapply to calculate the estimators of S.D. for the Bernoulli variable. Here is a portion of ... com/questions/65871550/sapply-the-character-of-standard-deviation-in-r...

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

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338 views

1 answer

c# - Insert statement conflicted with foreign key EF Core many to many

Service: public Cart AddProductToCart(Product product, Cart cart) { CartProduct cartProduct = new CartProduct(); cartProduct. ... -conflicted-with-foreign-key-ef-core-many-to-many...

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

0 votes

351 views

1 answer

amazon web services - AWS API Gateway, Cognito Identity Pool and REST: can I restrict to specific paths and methods?

I want to implement a blog API - for fun and learning - which allows a user to manage and write/view their ... -cognito-identity-pool-and-rest-can-i-restrict-to-specific-path...

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

0 votes

199 views

1 answer

Radio buttons not working or reacting - angular 9

working code <form class="form-horizontal"> <div class="row"> <div class="col-md-6"> <div class= ... .com/questions/65871441/radio-buttons-not-working-or-reacting-angular-9...

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

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250 views

1 answer

python - How to call every string from list and check hashed password against plaintext passwords from .lst file?

I want to check the following hash CzO1vfglovjbM which is equal to test1test1 against a .lst file named pswd0. ... -string-from-list-and-check-hashed-password-against-plaintext-p...

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

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