I am new to Vue and I am trying to bind an element with a fairly complex data object using Vue with a nested component. I believe I have set this up correctly according to the documentation but I’m not seeing any examples that match my situation exactly. The error I’m getting is vue.js:584 [Vue wa…
Tag: javascript
How to Login to MediaWiki (Wikipedia) API in Node.js
I’m trying the Wikipedia client login flow depicted in the API:Login docs, but something wrong happens: 1) I correctly get a token raised with the HTTP GET https://en.wikipedia.org/w/api.php?action=query&meta=tokens&type=login&format=json and I get a valid logintoken string. 2.1) I then try …
Dynamic Regex for Decimal Precision not Working
I have the following hard-coded RegEx expression for decimal precision & scale, which works (in another project): However, I don’t want to hard-code multiple variations. And, interestingly, the following fails…but I don’t know why. I “think” the concatenation may (somehow) be…
React change input value onChange
This is my SearchForm.js, handleKeywordsChange must handle input keywords changes The problem is input keywords doesn’t change its value when I’m typing. What’s wrong? Answer Make a common function for changing the state for input values. Make sure you mention name in every input tag. e.g:
Javascript – SetTimeOut not working as intended
I’ve been trying to make a game as an exercise for class and I wanted to add a “timer” on it using “SetTimeOut”. If the timer reaches 0 the game should end instantly, but apparently the time starts running when the game ends, and not when the game starts. In this example I’…
Realex listener
I am developing a card payment page using Realex Payments’ HPP API with an iFrame for hosting the Realex page. On the Realex request form I have the fields HPP_POST_DIMENSIONS and HPP_POST_RESPONSE set to my URL as follows: Payment page: www.example.com/account/payment.html The hidden field values are u…
Chart.js update function (chart,labels,data) will not update the chart
I cannot debug the following code. I would like to update chart data (not add on top; delete current data and add completely new dataset). (Not)Working example on codepen: https://codepen.io/anon/pen/bvBxpr Answer I figured it out. This works: instead of pushing the data (which adds on), data needs to be allo…
How to send FCM notification to all android devices using Node.js
I want to send the notification to my Android app developed using Ionic t from Node.Js code. I have tried following code and getting Exactly one of topic, token or condition is required. How can I send notification all my users without any condition? Answer If you want to send a notification to all users, the…
Convert object to an array of objects?
I have an object that looks like this: and I need to convert it to an array of objects that would look like this: What would be the cleanest & efficient way to do this? Answer You can use .map() with Object.keys(): Useful Resources: Array.prototype.map() Object.keys()
How make VueJS understand localized numbers?
Let’s figure a simple sum app. two inputs, a and b and a c result. we have this markup and this Vue script this works great except that I’m working with localized numbers. that means. using comma “,” instead of dot “.” and dot instead of comma . entering number with decimal…