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Mastering Development

React Native Form Validation Methodology

I am very new to React Native. I am trying to create a fully functional login screen using some custom form validation methods. I am getting stocked with the form validation now due to the fact that setState method in react is asynchronous. Seeing my below code, can someone please recommend me what’s the best […]

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Mastering Development

Combining row_num and group by between 2 tables

I have 2 tables that I’m trying to apply row_number to in a way that for each group, the row_number in table 2 picks up where table 1 left off. Table1 (working as intended): Output SELECT DISTINCT Product, Item, ROW_NUMBER() OVER (PARTITION BY Product ORDER BY Product, Item) FROM Table1 (NOLOCK) Table2: Desired Output… Current […]

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Mastering Development

How to properly user an escaping closure in swift?

I hope you all are having a wonderful day. I need some help. I am trying to explain the all scenario. Here it is. I started to work with Firestore database. I have one collection named: Workers, whom each element has a sub collection named: PublishedItems. I have a WorksManager class that handles all stuff […]

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CMS Mastering Development Wordpress

Mega Menu Walker Add Description

I’m using a custom walker to display a mega menu. I’ve enabled Descriptions in the menu admin but I can’t get it to display in my menu. My description is on the parent item but I need to display it on the mega menu but before the sub-menu. class Child_Wrap extends Walker_Nav_Menu { function start_lvl(&$output, […]

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Mastering Development

Executing INSERT from Identity column Output in VB.NET

Using VB.NET and SQL Server: I have a table [Item_List]. When I add a new item from a Windows form, I want to insert the record into the Item_List table, get the ItemID which is an IDENTITY, and use that to insert a corresponding record into the financial tracking [Inventory_Transactions] table. I tested the following […]

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CMS Magento Mastering Development

How to Get More Image when Click on Load More Button?

I’m uses Magezon Pagebuilder extension, in this extension i created one block instagram, that display all instagram images on front-end, for that i have add new Button, name is Load More, when button clicked onther image are display, instagram.phtml code <?php /** * Magezon * * This source file is subject to the Magezon Software […]

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CMS Mastering Development Wordpress

ArgumentCountError caused by wp-includes/class-wp-hook.php

when we give $depth in argument of nav_menu_css_class it gives me argument error. Here is my code: add_filter( ‘nav_menu_css_class’ , ‘eodwp_menu_item_class’,10 ,3 ); function eodwp_menu_item_class( $classes, $item, $args, $depth) { print_r($depth); if ($depth == 0) { $classes= array(‘dropdown’); print_r($classes); } else { $classes= array(‘dropdown-item’); } return $classes; } Fatal error: Uncaught ArgumentCountError: Too few arguments […]

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Mastering Development

Close open csv file in scrapy CSV Export Pipeline

I’m attempting to scrape articles on 100 companies, and I want to save the content from the multiple articles to a separate csv file for each company. I have the scraper and a csv export pipeline built, and it works fine, however, the spider opens a new csv file for each company (as it should) […]

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Mastering Development

Scrapy item pipeline returns TypeError: ‘NoneType’ object is not subscriptable error

I know my selectors are working since I tested them with scrapy shell. However when I use the debugger with a breakpoint at the first line of my pipeline code, the item passed to the process_item function is None although I’m sure the spider gets the right values. I can’t figure out what’s going on, […]

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Mastering Development

ViewPager list refresh is not working properly

I have custom ViewPager and PagerAdapter which is loading items inside instantiateItem. It is working fine if I initialize it for the first time with set list of items. But as I call refresh on the list and I want to populate Adapter with new (totally different) list, after calling viewPager.adapter?.notifyDataSetChanged(), PagerAdapter stops working properly […]