Latest Questions

Restart a generator by delegating to itself in the end

I am wondering about the drawbacks of restarting a generator by delegating to itself in the end. function* myGenerator(){ yield "value1"; yield "valu

How to clear user uploaded images if the limit of files exceeded in jquery

I have a simple form where a user can upload multiple images. I only want the user to upload 4 images at once, so I did the following: $("#myfile").on("chan

How to define the pen width in the menu bar

I am trying to write the code for my own paint program. I have added the menu for few basic color options. Now I would like to add the same menu style pen width

problems to run rails s on Rails 4 :S

Im trying to run s on my project in Rails 4.2.2 but i get a unexpected error :S Someone know the reason of the error? Thanks in advance This is my logs ....

How to use array of ForEach in SwiftUI

I would like to create an array with a ForEach loop. Something like this : let a = [ ForEach(b) { c in "create the element in the array" } ] H

How do I clone a mouseevent for $emit in vue

I am trying to emit an event from a vue2 component have the event reflect exactly the native mouse event happening in the component and have two fields added -

How to implement a OnItemSelectedListener for Spinner in Dialog Box

I have a Dialog Box in my MainActivity that is activated by touching a cog button in my Layout. When it appears, it contains a drop down Spinner. The Spinner wo

Values in Hibernate

I want a row in hibernate that only takes ("yes","no"," "), how can I map it? Something like an ENUM type in SQL but mapped in Hibernate

Find difference between two datetimes and format at Y-m-d H:i:s

I'm trying to get the difference between two datetimes and return it as a datetime. I've found examples using diff but I can't seem to get it right. $timein =

How Create a hive external table with parquet format

I am trying to create an external table in hive with the following query in HDFS. CREATE EXTERNAL TABLE `post` ( FileSK STRING, OriginalSK STRING, F

How to rotate a rectangle/bounding box together with an image

I'm working on a data augmentation and im trying to generate synthetic version of every image in my dataset. So i need to rotate images and together with boundi

MongoDB atlas connection error with nodejs

enter image description here This error is showing when I connect the MongoDB now how can I solve it

Hibernate handles id assigning instead of database

I have an auto-increment PK in a table and I want hibernate to handle id assigning instead of database. As my understanding the @GeneratedValue(strategy = Gener

Ghost foreach missing post context

I'm trying to access the post published_at date inside a loop that's iterating over the authors of a post but it's not working This is an example: the date outs

ERROR: invalid byte sequence for encoding WITH psql

I've seen numerous issues in other posts with the copy command and: ERROR: invalid byte sequence for encoding "UTF8": 0xfc And the consensus in these posts ap

Display subcategories in Woocommerce catalog page

please... I need help. I have a problem to show right subcategory on catalog page. I use Astra theme. As you can see I have two subcategory: two subcategory Now

WPF Validation ErrorTemplate errorcontent tooltip not working

I'm not sure if I'm missing something simple or not. I'm thinking maybe a binding needs to change possibly? Or maybe its not properly targeting the TextBox for

Access to a PhotonView component

I need to access the INT of this component. I am using a Photon View, and I want to set a conditional if a GameObject has that "INT" value.This is the Component

Python Image Library and Tkinter Clashing

I have an issue where PIL and Tkinter are not working together in the same program. Basically, I tried to run my program and when it was on the line 'image.open

STM32 with LCD 2004 + I2C, can't communicate

I am using a STM32F030F4P6 MCU and a LCD 2004 with PCF8574T I2C display driver. I have tried the library from this tutorial: https://controllerstech.com/interfa

How to filter by Regex in LibreOffice?

I've got this string: {"success":true,"lowest_price":"1,49€","volume":"1,132","median_price":"1,49€"} Now I want the value for median_price being dis

How to align text content with image in a row bootstrap

I want a specific display depending on whether I have an image or not in a row bootstrap. I want when I have an image and text content, I can have in the same r

how to use pipe and execvp in c via linux

I'm trying to use pipe command and I can't understand how to. I've a lot of versions but I can't make it work. first of all the hierarchy: main prog - nicecmp -

Is it possible to initialize a reference to ones self without needing to use an Option?

I'm building a circular linked list using an arena for the nodes. If I use a struct like the following it works fine: struct Node<'a> { next: Cell<Op

Fastest way to remove white background from image/video

I need to make the below faster as I need it to run on a video. Basically I am trying to remove a white background on a video and then overlay that onto another

How can I turn my navbar links into a dropdown menu with HTML CSS and JavaScript?

I am trying to turn the first two links of my navbar into dropdown menus. I want to make it so that when you click on them, the dropdown menu shows and the arro

@Host() or ng-container incompatibility between angular 9 and 10

Here are two live examples on stackblitz: angular 9 angular 10 To check the difference between them, open console and notice that: In form-error-control-name.di

How to run kmeans and dbscan in r using all processing and memory of linux ubutum 20.04 server (mapply, applay, parApply, etc)?

I have access to a linux server with the following configuration: I have this one matrix with gamma distirbution range[0:12000] ,Col=30000 and Row=8000. In thi

How to make redux function call on radio button click react native?

I am working on project of Food app. I have preference screen where user can click on any desired preference to add in order. This is working but I want to disp

How To Mock a Dependency Class in Typescript Node Using Chai-Spies

Given something like my-module.ts that will be called by an external consumer that of course cannot do dependency injection to this module's constructor: import