I have written a function which I expect should check if a text field is empty and if so should bring the focus back on it. The check is done when a user moves away from the text field (on blur). Unfortunately, the code isn’t working. Why is it so? I am using playframework. The issue is in Javascript co…
Author: admin@master
Grouping array of objects by multiple keys
I feel embarrassed for asking this question as I should know how to figure it out, but I’m spinning my wheels on grouping an array of objects by multiple keys. Here’s the data: What I’ve been trying to generate with little success is the following: The schema is: I’ve tried the followi…
Adding Placeholder To Input Field By Name
I’m trying to add a placeholder to an an attribute using JavaScript. The Input element’s HTML is: Seems I need to target it by the class also of the parent td “gfield_list_cell gfield_list_72_cell3” I’m trying to target this using Javascript and a $ sign as the placeholder. IR…
Prestashop 1.7 unable to save order address
i am getting this error when i am trying to save my adress in Prestashop 1.7, i’ve changed adress format in backend and after removing country from format i am unable to save address, can someone please help me with that ? Image showing that error: Answer The country field in the address table of Presta…
Google Maps api is not working for Php Laravel Framework after Refreshing the page
I want to use google maps Api for search purposes in my application to do this i do the following things. I have included JavaScript code at the bottom of my Blade file. Here is my JavaScript for And i have included the Google Api with my key like this in my head Tag But problem is that it is
React native – prevent user from going back to login screen
I’ve created a Login button using Facebook SDK. Once the user is logged in, the app navigates to the second screen (NavigatorIOS). From that second screen the user can go back to the login screen using the navigation (back button). How can I prevent the user from going back to the Login screen if he is …
Limit items in a .map loop
I would like to ask how can I limit my .map loop for example to a 5 items only because currently when I access an api it returns 20 items. but I want to display only 5. Mostly that I found is just looping all throughout the array of objects and not limiting it to a number of items. Note:
Vue & conditional rendering with template tag
I am trying to follow documentation: https://v2.vuejs.org/v2/guide/conditional.html But for some reason my template is not working as expected, as soon as I put <template v-if=”variable”> vue fails to render anything. Any advice? Snippets that demonstrate problem: https://jsfiddle.net/o2tL2e…
Change only one property of css background
I’m currently trying to dynamically change the background gradient of a background with an image. I’m using the following CSS properties to add the image and the gradient. CSS: The code here is pretty much the same with the only exceptions being the cross-browser compatibility. The only thing I wo…
How to find the size of the file in Node.js?
I am using multer for uploading my images and documents but this time I want to restrict uploading if the size of the image is >2mb. How can I find the size of the file of the document? So far I tried as below but not working. Can anyone please help me? Answer To get a file’s size in megabytes: