OStack Q&A-Knowledge Sharing Community

0 votes

378 views

1 answer

pyspark - Why driver memory is not in my Spark context configuration?

When I run the following command: spark-submit --name "My app" --master "local[*]" --py-files main ... questions/65873182/why-driver-memory-is-not-in-my-spark-context-configuration...

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

0 votes

544 views

1 answer

filtering and sorting foreach loop by date (string) in php

My question is a bit coufusing , I got events in my database every event has it own start date and end date ... /65925474/filtering-and-sorting-foreach-loop-by-date-string-in-php...

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

0 votes

160 views

1 answer

javascript - How to sum specific element in reduce object?

Lets say I have this array of objects: const arrayOfObjects = [ { task: "work", time: 1 }, { ... stackoverflow.com/questions/65872353/how-to-sum-specific-element-in-reduce-object...

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

0 votes

202 views

1 answer

node.js - TypeError: Cannot read property on my nodejs API

Here is my code async totalSum(req, res) { let userId = req.params.userId; let user = await User.findOne ... .com/questions/65916970/typeerror-cannot-read-property-on-my-nodejs-api...

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

0 votes

180 views

1 answer

php - abs of an array

Which is the easy way of getting the abs of an array in php? It has to be a better way. This ... } question from:https://stackoverflow.com/questions/65928064/absolute-value-implode...

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

0 votes

210 views

1 answer

r - How does predict.cv.glmnet() calculate the link value for binomial models?

I'm thinking this is a coding error on my part, but I can't figure out what I'm doing wrong. I'm ... /how-does-predict-cv-glmnet-calculate-the-link-value-for-binomial-models...

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

0 votes

185 views

1 answer

javascript - jQuery .change() does not work on the HTML text editor

<select id="test"> <option value="foo">Foo</option> <option value="bar">Bar</option> </select> <script> ... /questions/65868212/jquery-change-does-not-work-on-the-html-text-editor...

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

0 votes

176 views

1 answer

java - Cannot use custom-formatter

Running on java-11-openjdk-11.0.9.11-2.el8_3.x86_64, WildFly Core 10.1.12.SP1-redhat . I'm ... from:https://stackoverflow.com/questions/65845610/cannot-use-custom-formatter...

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

0 votes

397 views

1 answer

reactjs - useState not updating on javascript event

I'm having trouble getting the "set" function of useState to work as I need. I would like to be ... //stackoverflow.com/questions/65855446/usestate-not-updating-on-javascript-event...

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

0 votes

645 views

1 answer

ruby - Why does simple form not show validation error messages in Rails?

The :new view when redirected if validations are not matched and where I'd like to see the error messages: <%= ... /why-does-simple-form-not-show-validation-error-messages-in-rails...

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

0 votes

594 views

1 answer

javascript - TypeScript/Knex: Cannot use import statement outside a module

I'm a newbie to TypeScript and currently using Knex to build a template table in our PostgreSQL database. ... 65883600/typescript-knex-cannot-use-import-statement-outside-a-module...

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

0 votes

183 views

1 answer

python - Finding label location in a DataFrame Index

I have a pandas dataframe: import pandas as pnd d = pnd.Timestamp('2013-01-01 16:00') dates = pnd.bdate_range ... /get-the-integer-index-of-a-string-based-index-in-pandas-dataframe...

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

0 votes

311 views

1 answer

firebase - How do I retrieve multiple values ?from firestore?

One is possible with .whereEqualTo("name","a"). For example 'where name= "a" or name="b"' How ... .com/questions/65911809/how-do-i-retrieve-multiple-values-from-firestore...

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

0 votes

288 views

1 answer

list - why doesn't append in python work properly?

def get_next_state_for_x(list, next_state): final = [] state = list for g in range (len(next_state)): temp ... .com/questions/65893446/why-doesnt-append-in-python-work-properly...

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

0 votes

198 views

1 answer

node.js - How does InjectRepository work internally in NestJS?

In nestjs, I understand that imports: [ TypeOrmModule.forFeature([TaskRepository]), ], creates some kind ... questions/65938257/how-does-injectrepository-work-internally-in-nestjs...

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

0 votes

284 views

1 answer

sqlite - Count Persons in tree of Groups with a single query

I'm writing a query in SQLite, for Android, with a schema like this (extremely simplified here, just the fields I ... /65898084/count-persons-in-tree-of-groups-with-a-single-query...

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

0 votes

227 views

1 answer

Why does Java HashMap need to increase or decrease when it can use chaining

If Java HashMap uses chaining to handle collisions why does it ever need to resize the hashtable for new keys to ... hashmap-need-to-increase-or-decrease-when-it-can-use-chaining...

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

0 votes

297 views

1 answer

Python dataclass AttributeError

I have a dataclass set up like this: from dataclasses import dataclass, field from typing import ... https://stackoverflow.com/questions/65891632/python-dataclass-attributeerror...

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

0 votes

259 views

1 answer

How to extract value from Data dictionary like values in CSV file in Python Panda data frame

I have Header in CSV file with the data dictionary format like {"Id":"endDate","timeZone":"Z"} in column A , ... -value-from-data-dictionary-like-values-in-csv-file-in-python-pand...

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

0 votes

302 views

1 answer

variables - Detect parameters in a ROBLOX player's message? (LUA)

I'm trying to make a simple 'kill command' in Roblox Studio where you type ";kill player" and it will ... .com/questions/65856084/detect-parameters-in-a-roblox-players-message-lua...

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

0 votes

298 views

1 answer

javascript - PIXIJS Depth sorting

I was wondering if any body could help me.. Looking for an idea for sorthing child in the stage. ... from:https://stackoverflow.com/questions/65642268/pixijs-depth-sorting...

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

0 votes

136 views

1 answer

javascript - How to create function that add numbers in array using "while" loop?

I have an exercise to create a function (lets call it "iterateAndSum") which will sum all numbers in array and ... -to-create-function-that-add-numbers-in-array-using-while-loop...

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

0 votes

219 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

109 views

1 answer

How to extract HTML source code to excel VBA

I', trying to copy and paste the whole HTML body to excel worksheet. For now i have this Sub audycje() Dim ... .com/questions/65832333/how-to-extract-html-source-code-to-excel-vba...

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

0 votes

178 views

1 answer

python - Sort dictionary by value property

How can the dictionary class Foo: def __init__(self,value): self.property = value dictionary = {"one": ... ://stackoverflow.com/questions/65873825/sort-dictionary-by-value-property...

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

0 votes

210 views

1 answer

html - How to display multiple input file in javascript

I am stuck with a problem, I am not able to display multiple input files in my form. I want to display ... .com/questions/65902346/how-to-display-multiple-input-file-in-javascript...

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

0 votes

172 views

1 answer

c++ - how to access data members of an object in an array

I have an array full with objects of a class I created. I want to access members of each of them but I don' ... /65643867/how-to-access-data-members-of-an-object-in-an-array...

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

0 votes

331 views

1 answer

time - Only last week value pine script

I am trying to get only last week high/low values,NOT all weeks values t = input(title = "study", ... https://stackoverflow.com/questions/65867916/only-last-week-value-pine-script...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags