How does Python's super() work with multiple inheritance?

I'm pretty much new in Python object oriented programming and I have trouble understanding the super() function (new style classes) especially when it comes to multiple inheritance. For example if...

Android automatic horizontally scrolling TextView

I am trying to implement a single-line text view that will scroll automatically. But I unfortunatly cannot get it to work. The AutoScrollTextView is declared inside a LinearLayout (width and...

remove repeated character between words

I am trying out the quiz from Regex 101 In Task 6, the question is Oh no! It seems my friends spilled beer all over my keyboard last night and my keys are super sticky now. Some of the time when...

How to get the position of a picture inside an ImageView?

I have a gallery of images with different sizes. Each image is displayed inside an ImageView sequentially (through OnTouchListener). I need to know the position of the frame of the picture I'm...

Dynamic cell width of UICollectionView depending on label width

I have a UICollectionView, that loads cells from reusable cell, which contains label. An array provides content for that label. I can resize label width depending on content width easily with...

jsp:UseBean vs. Struts <bean> tag

I am learning about Struts2 and it's not completely clear to me how and when to use the tag <jsp:UseBean> vs the Struts bean:... tag. I found an article outlining the differences but them but...

Codeigniter Let Users Access Controllers on base of Role/Permission

i am trying to build application in which there will be some groups Super Admin, Moderators, Tenants, Users In order that Super Admin will have Access to all the Pages/Views and Controllers. But...

Can't connect to MySQL server (110) (AWS RDS Instance)

I have this code to connect to a rds instance: import MySQLdb USERNAME = 'root' PASSWORD = 'pass' DB_NAME = 'databasetest2' print "Connecting to RDS instance" conn = MySQLdb.connect ( host =...

Getting MainActivity context in CustomView class

I have 2 classes: MainActivity and CustomView. I have an XML layout with this CustomView. I want to access all my MainActivity variables from my CustomView class and also to modify them, I tried...

Django percentage field

I'm trying to create a percentage field in Django, where the user just fills in 40 for 40%. There will be a percentage sign on the right of the input box so that they know they should fill in a...

django.db.utils.OperationalError: no such table: auth_user

After I install Django-userena,there is an error my django version :1.9.5 I just install django-userena step by step ,but when i migrate it ,an error happend and I don't how to solve it. ...

React Only return props.children

All: I am pretty new to React, I wonder how can I build a logic only component without adding any element(only used to processing some data), something like: class LogicCom extends Component { ...

How to change the frame of a UIView subclass on device orientation which is programmatically created?

I have a UIView subclass which is created programmatically. I have portrait and landscape mode in my application which uses autolayout. Initially the UIView frame is set using initWithFrame, but...

How to run my Angular site on mobile device that is running localhost on my windows desktop

I know from this question and answer on Super User Site running on localhost on desktop is unreachable on android device (PS: this question continues on the question in the link) that the command...

clearInterval in React

I'm new at React and I was trying to create a simple stopwatch with a start and stop buttons. I'm banging my head against the wall to try to clearInterval with an onClick event on Stop button. I...

Stop long-running process in qthread

I am trying to use youtube-dl module to download videos from youtube. I created a simple GUI to do a little job, I need when user clicks start button the thread will be called and download starts...

Flow rollup, react and babel TypeError: Super expression must either be null or a function, not undefined

I'm trying to use flow, babel and rollup, but my code breaks when adding flow. I have tried the rollup-plugin-flow and the different babel-..-.. flow plugins (current implementation), but I'm...

Cannot load 'pry' - `require': cannot load such file -- pry (LoadError)

I'm trying to debug a simple ruby console script and am getting a load error when trying to require pry: I'm using rbenv to management environment. I'm using Ruby version: 2.3.1. Trying to use...

TypeError: Object(...) is not a function reactjs

I was trying to clean up this react component by extracting fillCalendar() from being a method of the component into it's own js file and importing it instead. Originally this.state.datesArray was...

React Navigation - pop() go's back to root rather than previous page

I am trying to add a back buttons into a bespoke sidemenu component. Here is my navigation.js setup: import { createAppContainer, createStackNavigator, createDrawerNavigator } from...

Dimensions Not Matching In PyTorch Linear Layer

Following the training lesson in PyTorch on this page: https://pytorch.org/tutorials/beginner/blitz/cifar10_tutorial.html#sphx-glr-beginner-blitz-cifar10-tutorial-py It's basically their 'Hello...

React Router not showing the component

I've been learning reactjs for few weeks now and I wanted to create a small blog type website. So there are a few problems with my app. First of all, I want the inactive sidebar button to look...

Django can't override form field widget

I need to generate column based checkboxes in my form. # myapp/templates/forms/widgets/custom.html <div class="row"> {% for group, options, index in widget.optgroups %} {% for option in...

ReactJS and Typescript : refers to a value, but is being used as a type here (TS2749)

I'm coding a ReactJS class with Typescript and Material-ui, in a .tsx file. In one of my custom components, I want to create a reference to one of the components that I use in my custom...

Tkinter Scrollbar on scrollable frame scrolls at 2x speed when it shouldn't

I'm trying to create a scrollable frame in Tkinter using windows, using the code found in this question. I also wanted to have the frame be scrollable using the mouse-wheel, and so I copied over...

'Request' object has no attribute 'pop' in Django Rest Framework?

I have a Post model which has Foreign key with User model. So when I created Post object I need to pass user instance by overriding the create method inside ModelViewSet but it failed. here is...

Is there a way to display Text when my "circle" is clicked in Ursina Engine?

I am making a quiz game where you can click on the answer and etc. This is the code: from ursina import * app = Ursina() class Option(Button): def __init__(self): super().__init__( ...

Splash Screen Color not Changing in Flutter

I am new to Flutter and still practicing I am creating a splash screen but the color of splash screen is not changing My Code: -launch_background.xml <?xml version="1.0" encoding="utf-8"?> ...

Drag and drop inside expansion tile?

How to handle drag and drop list into another list? For example I have listview with items(lists and folders). Now I want to drag list and drop inside folder. Also I want drag from inside list and...

Unable to print the sheet names of the ".xlsm" excel file using Python 3.10 & Pandas

Snippet: import pandas as pd file = "C:\\Users\\Len\\Desktop\\work\\student.xlsx" file1 = "C:\\Users\\Len\\Desktop\\work\\temp.xlsm" xl = pd.ExcelFile(file) print(xl.sheet_names) xlm =...

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