Basically I am working with a star wars API called swapi (i haven’t worked with APIs before) and I am fetching the data with a simple async-await function. My goal is to get all the movies that API holds (a total of 6 of them) I am using a template tag in HTML and I’m cloning it in javascript and
Tag: javascript
React state not retuning the latest value of state
The value of this.state.topText and this.state.bottomText is always one change behind. E.g if I type 1234 in topText’s input box, the value of this.state.topText would be 123. The react docs say to fix asynchronous updates we should use the form of setState() that accepts a function rather than an objec…
Validating strings with Java and NodeJS
vo.getResultFun() and cod returns ‘G’ Java validation NodeJS isEqual Why NodeJS return the callback and Java don’t throws the exception? Answer The result of this js part : is false as the result of this java part: So there are several options : Validator.isNullUndefinedEmpty doesn’t w…
Firestore: Convert time object to timestamp
I am using vue.js for my e-commerce project. I want to set the sale time limit in the firestore collection. ex)If user want to stop to sell his or her product at 15:00, user can input 15:00. Now I could set the time object in my collection. But I want to convert it to timestamp. How can I achieve it?
When I count box which are checked, it counts plus one box
My web-app is about forecasting on sports games. My page shows all the matches and the points you can get out of each outcome from a match (Madrid = 12 points VS Barcelone = 15 points). So a user check a box from a match and select for him the right outcome. I would like each time the user check
Transformation matrix rotation not preserving local axis scaling?
I have a simple transform class to apply translations, scales and rotations on a div in any arbitrary order: A problem arises when I wish to rotate after a non-uniform scale has been made. Edit – Newer interactive example: https://codepen.io/manstie/pen/RwGGOmB Here is the example I made: https://jsfidd…
How to mock/spy useState hook in jest?
I am trying to spy on useState React hook but i always get the test failed This is my React component: counter.test.js: Unfortunately this doesn’t work and i get the test failed with that message: Answer You need to use React.useState instead of the single import useState. I think is about how the code …
React Material-Ui Sticky Table Header with Dynamic Height
I am using the Material-UI framework for React to display a table. I would like to use a sticky header; however, I do not want to set a height on my table, as I’d like it to scroll with the page. The following snippet does not stick the header unless I set a height on the TableContainer. https://codesan…
problem with the biding between the ts file and the html file with the property [min]. Angular 7
Im using Angular Cli 7.3.9 I have a date type input that should display, in its datepicker, from the next day according to the current date. here’s what I did on my .ts : here’s what I did on my .Html: The problem when I consult the console I get the right result but the display does not work. her…
Redirect to another page JavaScript with condition
i have the following code which works just fine in redirecting. what i need is that the code checks the previous page (history) and if it was, for example, https://gmail.com, go to https://google.com and if it was something else go to, for example, https://facebook.com. Answer document.referrer will tell you …