OStack Q&A-Knowledge Sharing Community

0 votes

253 views

1 answer

numpy - How can I get indices of elements of nd.array not in a tulple

How can I get indices of elements of nd.array not in a tulple, but in nd.array with .ndim==1 E.g. I have array [ ... /how-can-i-get-indices-of-elements-of-nd-array-not-in-a-tulple...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

256 views

1 answer

Delphi - reading the records of a database into a string grid

So how do you write the records of a database (from a TADOTable component) into a String grid? (the record's ... /delphi-reading-the-records-of-a-database-into-a-string-grid...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

252 views

1 answer

postgresql - MIN function in SQL not working as expected

I have a table that lists players of a game and the history of their level changes within the game (beginner, ... com/questions/65904853/min-function-in-sql-not-working-as-expected...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

249 views

1 answer

c++ - Deinterleave audio data in varied bitrates

I'm trying to write one function that can deinterleave 8/16/24/32 bit audio data, given that ... /stackoverflow.com/questions/65913008/deinterleave-audio-data-in-varied-bitrates...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

342 views

1 answer

javascript - How to fetch a data without using useffect or setTimeout and add loader in react hooks

DETAIL* const Detail = (props) { const { getLatest, getAll } = useRoom(); const [ rowData, setRowData ] = ... a-data-without-using-useffect-or-settimeout-and-add-loader-in-react...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

135 views

1 answer

reactjs - Can't understand why I can't access the value of counter

Why does the conditional statement inside handleDecrement if(counter>1) not work? const [counter, setCounter] = React. ... /cant-understand-why-i-cant-access-the-value-of-counter...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

241 views

1 answer

Undefined method using ternary operators in Ruby

trying to write two methods in the same file to check number arguments. The first method passes all ... com/questions/65836576/undefined-method-using-ternary-operators-in-ruby...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

333 views

1 answer

dart - toJson() invalid when recursively encode tree data structure

I have a Dart class that I am using as a node class for a tree data structure. My goal here ... .com/questions/65541164/tojson-invalid-when-recursively-encode-tree-data-structure...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

217 views

1 answer

Auto scaling service in AWS without duplicating cron jobs

I have a (golang web server) service running on AWS on a EC2 (no auto scaling). This service has a ... /questions/65859011/auto-scaling-service-in-aws-without-duplicating-cron-jobs...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

199 views

1 answer

javascript - remove item at a specific position in localStorage

Hi i want to remove from the localStorage a specific item at a specific position. If i have this JSON: ... com/questions/65648569/remove-item-at-a-specific-position-in-localstorage...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

652 views

1 answer

reactjs - how to jest test an async action with axios in react?

I have an action-generator register.js: import { REGISTER_SUCCESS, REGISTER_FAIL } from "./types"; import axios from "axios ... how-to-jest-test-an-async-action-with-axios-in-react...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

135 views

1 answer

Dog Age Converter Python always puts out 7

DogAgePerYearInHuman = 7 HumanAge = input("What is your age?") HumanAgeIfDog = DogAgePerYearInHuman * HumanAge print(f ... /65942188/dog-age-converter-python-always-puts-out-7...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

301 views

1 answer

javascript - Laravel Mix Vuejs component Syntax error on <template />

I'm using a Windows 10 OS for development and I created a laravel 8, mix with VueJs project. The ... com/questions/65651048/laravel-mix-vuejs-component-syntax-error-on-template...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

233 views

1 answer

Trying to create an age restriction with if statement on javascript

This question already has answers here: question from:https://stackoverflow.com/questions/65943600/trying-to-create-an-age-restriction-with-if-statement-on-javascript...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

216 views

1 answer

javascript - How to rewrite this nested call to set using fat arrow es6 syntax?

In https://github.com/yeahoffline/redis-mock/blob/master/test/client/redis-mock.keys.test.js: beforeEach(function (done ... -this-nested-call-to-set-using-fat-arrow-es6-syntax...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

210 views

1 answer

python - Combining two SQL Server log tables into a third activity log table

State_Log_Table EmployeeID Time Status 001 time1 2 001 time2 1 002 time3 2 question from:https://stackoverflow.com/ ... sql-server-log-tables-into-a-third-activity-log-table...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

457 views

1 answer

Check if value exists in JSON data in MySQL

I have a JSON data in MySQL like this [ { "dates": [ "25.01.2021", "25.01.2021" ], "uids": { ... ://stackoverflow.com/questions/65885764/check-if-value-exists-in-json-data-in-mysql...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

380 views

1 answer

How to split multi-valued comma separated values into individual row in mysql query

I have a table users having column name email where multiple email id are stored as below UserID|Email ----- ... multi-valued-comma-separated-values-into-individual-row-in-mysql-qu...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

166 views

1 answer

python - World list in message.content

Hello i'm trying to make a custom bot for telegram in Python. i'm looking to use a world list ... :https://stackoverflow.com/questions/65902684/world-list-in-message-content...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

689 views

1 answer

operator precedence - What does *--a = *--b mean in C

Suppose a and b are pointers, My understanding is *--a = *--b means subtract 1 from a and b using pointer ... https://stackoverflow.com/questions/65858987/what-does-a-b-mean-in-c...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

243 views

1 answer

php - How to pass a hidden parameter back to the form action

I am working on a restaurant search and review project. I have a search page that will show restaurant names and ... /how-to-pass-a-hidden-parameter-back-to-the-form-action...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

268 views

1 answer

vue.js - Image not loading in vue js

I am trying to reference an image to display in view but I can't get it right. This is the error I get ... :https://stackoverflow.com/questions/65948513/image-not-loading-in-vue-js...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

188 views

1 answer

html - The second response is not displayed in JavaScript?

I enter 2 x and z coordinates. And the response should display 2 responses. 1 answer - Sum to the ... com/questions/65621673/the-second-response-is-not-displayed-in-javascript...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

177 views

1 answer

matplotlib - Python Plot Data From CSV

enter image description here Hi everyone, I'm trying to plot a graph data from CSV. There are 7 columns ... https://stackoverflow.com/questions/65545877/python-plot-data-from-csv...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

235 views

1 answer

Create HTML list from object in localstorage javascript

I'm pretty new to javascript and I'm trying to create a score list to display player scores. Once ... /questions/65648309/create-html-list-from-object-in-localstorage-javascript...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

286 views

1 answer

javascript - Mongo / Mongoose - Push object into document property array on condition

I have a document stored on mongo that, amongst others, contains a property type of an array with a bunch ... /mongo-mongoose-push-object-into-document-property-array-on-condition...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

218 views

1 answer

How do I specify unique constraint for multiple columns in MySQL?

I have a table: table votes ( id, user, email, address, primary key(id), ); Now I want to make ... /questions/65938226/mysql-do-not-add-duplicates-depending-on-another-field-value...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

372 views

1 answer

swift - Problems with creating Observable when using @escaping closures

I am trying to code an observable for NSManagedObjectContext save() operation with no success. The ... 65853334/problems-with-creating-observable-when-using-escaping-closures...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Recent questions

Just Browsing Browsing

Most popular tags