I am working on a webapp(written with react-js) that generates a Latex code which contains information to give to the user. My goal is to let the user download the PDF file directly from my application. I first tried using this library: texlive.js, that seemed to work but really it’s impossible to recom…
Tag: javascript
react save possibility to select text with re-render component
i have component with text. It changed component own state with mouse click. But i want to save possibility to select and copy in by long click. Is there way to make it ? Selection is reset after rerender component. Code for example: Answer How about using onMouseDown and onMouseUp events yourself and calcula…
How do I check if I have selected the same drop-down list option twice in a row?
Let’s supose I have a simple drop-down list from which I can freely select any option I want. I can, via JavaScript, store the selected option’s value in a variable this way: Questions: How can I check if I have selected the same drop-down list option twice in a row, in other words, if the value o…
Java 8 lambda (from javascript example)
I’m learning java from javascript background, and I wonder is it possible to write similar function in Java. Here is an example in javascript: Where getPrice1 and getPrice2 are previously defined functions. Use of calbacks here helps to keep code short. Im not sure is it possible in Java to pass functio…
Failed to mount component: template or render function not defined using vue.js
I’m learning vue. js .I’m trying to make simple form by using vue.js but I got above error while making a form. I tried but unable to fix the problem. Please help me. Answer UPDATE If you are using cli-vue : https://cli.vuejs.org/ Assume you put file in App.vue : Dont use jquery in Vue project. If…
How to make Javascript countdown for 24 hours and fade out a div element after 24 Hours?
Here, I’ve made a timer which says how much time is left for 24 Hours. But it’s showing Hours, Minutes and seconds in negative value for seconds after a minute and negative value for minutes after an Hour. I need the both div elements (“offer1” and “remainingTime”) should f…
Pausing and resuming option in azure blob upload using javascript
How to pause the on progress upload of browser files to azure storage account and resume when required using azure storage blob javascript(v12) library file? I have tried pausing the uploading process using resumable.js library function r.pause(); But it is not pausing the uploading process. Answer Storage JS…
How to update a constraint in a migration
I need to add onDelete and onUpdate cascade to a constraint in a migration file. So i did an alter table, selecting the foreign keys and chaining with the alter method in the end of each command. But i’m getting a error saying that the constraint of this relationship already exists. error: constraint &#…
Fullcalendar recurring event with rrule is not working
I am using fullcalendar 4.4.0 and everything working fine except rrule. If i try with simple recurrence, it is working, but rrule recurrence not working. let me share my code The code for generating event is as follows. What is issue here? If anyone has experience, please help me. I am sharing my calendar how…
How do I make masking in the first name, middle name,and last name in JavaScript?
How do I make masking in the first name, middle name, and last name? Make masking based on the number of letters in each word in the name. under the condition : if one word contains 2 letters then there is no masking if there are 3-4 letters then the first two letters will be masked. If there are more