How to display an inputText when specific selectOneMenu option is selected?

I want to create settings panel for application. The application will store the settings values into database table. The settings panel will be used to display the settings and change the values....

Accessing EJS variable in Javascript logic

I'm working on a Node.js app (it's a game). In this case, I have some code set up such that when a person visits the index and chooses a room, he gets redirected to the proper room. Right now,...

What is the best way to extend null check?

You all do this: public void Proc(object parameter) { if (parameter == null) throw new ArgumentNullException("parameter"); // Main code. } Jon Skeet once mentioned that he...

How to get share dialog box with parse.com and facebook 3.0 sdk

I can't seem to find information on how to open share dialog box with parse sdk which includes fb 3.0. I am able to login with facebook and actually found a way to post with out the dialog box...

How to create and download a csv file from php script?

I am a novice programmer and I searched a lot about my question but couldn't find a helpful solution or tutorial about this. My goal is I have a PHP array and the array elements are showing in a...

Non resource deadlock?

I've gotten a question from my professor in operating systems that reads "Explain non resource deadlocks", and I haven't got a clue what I'm supposed to answer! Doesn't a deadlock require some...

Why can I not upload files greater than 2MB? Php.ini has already been edited

I'm having the same problem this guy says he had: https://stackoverflow.com/questions/9426698/php-still-wont-allow-file-uploads-larger-than-2-mb, although apparently he solved it. I, however,...

refresh leaflet map: map container is already initialized

I have a page where given a select to the user he can switch the leaflet map I show. After a initial leaflet map load, my problem is when i want to refresh the map. I always get "Map container is...

Hide content underneath a transparent div while scrolling

Edit with possible solution below the code The site has a full page video. Scroll action: not to display content which is located 250px or less from the top — so 250px of top of the video is...

why are the bytes in byte array reversed in C++

the code i am trying to understand overwrites a section of a game process memory (window.h, WriteProcessMemory) in order to modify a parameter in the game (for example, strength). the values would...

Add an image in a specific position in the document (.docx)?

I use Python-docx to generate Microsoft Word document.The user want that when he write for eg: "Good Morning every body,This is my %(profile_img)s do you like it?" in a HTML field, i create a word...

Minecraft will not launch from eclipse for mod testing purposes

As a CS Student, I was trying to do something with Java so I decided to make a Minecraft mod, following this https://www.youtube.com/watch?v=2_qM-Z0IQ4k tutorial. At around 13:10 he opens...

How to unselect selected option in md-select Angular2

In material2 when a select is initialized no default value is selected. If user selects a value he can't unselect it. I want to enable the user to unselect the value. Plunkr I went through the...

Sharepoint 365 (online) reload webpart

I have a EditForm custom page with two webparts connected between them. The first one is a form and the second is list of tasks related to the form item. I have a custom "New Task" button with the...

Django (drf) dynamic permissions from BasePermission

I want to have easy way to check if somebody is owner or admin of post, proposal and so on he's trying to edit \ delete. So, every time I use IsAuthenticated permission and in the method of...

autoSizeColumn, width issue in POI 3.9 for large data

I'm generating excel sheet with large data using "SXSSFWorkbook" POI 3.9 and finally doing the autoSizeColumn for all the column. Below is the code snippet. Here I'm using the SXSSFSheet mySheet =...

How to initialize weights in PyTorch?

How to initialize the weights and biases (for example, with He or Xavier initialization) in a network in PyTorch?

Cartopy system-wide location for natural earth shapefiles

Is there any location I can configure and put natural earth shapefiles that all users can use? My air-gapped system can't reach out to the internet to download files, so I need to point cartopy...

Access Denied issue with NVM in Windows 10

I'm getting 'access is denied' when I'm using nvm -v command in windows 10. I have got the similar issue here https://stackoverflow.com/questions/48762782/nvm-is-access-denied But he himself gave...

git clone: Authentication failed for <URL>

Trying to access private corporate tfs. They gave me access by giving appropriate rights to windows user (domain\login). I'm fine with accessing web interface of tfs, browse repository and...

I want to crawl all the posts on medium.com site

I want to crawl all the posts on medium.com site. The problem is that all posts on the medium.com site are not available for information. There are also often media sites where site url changes. I...

NSQ cannot get the message

I look this:https://stackoverflow.com/questions/48536963/nsq-cannot-consume-message-by-connecting-to-nsqlookupd But he doesn't apply to me,All sorts of ways have been tried.It could be the...

Detect offline and online clients realtime in Spring framework via Websocket

I am building an app like slack.I've lots of clients running on both web and mobile.They connect to the websocket over Stomp.I want to detect which user is online and offline in realtime.Websocket...

How to differentiate StartUp screens in Xamarin Forms Shell

I have registration/login section as well main content. Main content has tabbar section (down tabs), but I want to only show those tabs in main sectiom. registration/login section dont...

Flutter IgnorePointer for 2 fingers

I am trying to ignore multi-finger touches (2-finger specifically) on a Button by wrapping it with IgnorePointer() like so: import 'package:flutter/material.dart'; void main() { ...

Cannot use Team -> Git -> Clone wizard in Netbeans 12 to connect to a github repo using SSH

I’m running Apache Netbeans 12 on Windows and I’m really struggling to connect to my github repositories using an SSH connection. I get the strong impression that this has been a problem for...

Redirected when going from to via navigation guard

I'm trying to protect my Vue components using the Vue router authentication guard. Case scenario: unauthenticated user lands on home page ("/" route) and he's trying to access "/profile", but...

Error during migration from npm to yarn - The engine "node" is incompatible with this module

in my project I am trying to migrate from npm to yarn. I simply ran the "yarn" command to generate the "yarn.lock". During the process, it showed me the following error: error [email protected]:...

How to implement Django multiple user types, while one user can have different role according to the project he/she is working on?

I couldn't find a solution to my problem and would appreciate comments/help on this. I would like to develop a multiple user type model in Django, along the lines of this video where the author is...

Multiple scraping: problem in the code. What am I doing wrong?

I am trying to use Selenium scraping on multiple elements (for personal study reasons, so for personal didactic reasons, no-profit). A multiple scrape with multiple scraped elements that create a...