Posts by waghcwb • 1,915 points
53 posts
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answer294
viewsA: Consult an API via POST - Vuejs - Xios
Your code is apparently correct, you have tested the API service by Postman or similar? I made an example very similar to yours to exemplify and is working properly: api.js import axios from…
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answer303
viewsA: Vue.js: how to change a $state of Vuex that is in a v-model?
You need to create a mutation in his store, one mutation is used to update a value in state: import Vue from "vue"; import Vuex from "vuex"; Vue.use(Vuex); const store = new Vuex.Store({ state: {…
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answer382
viewsA: How to save form data to a global obj using Vuex Vue.js with Laravel 5.8
To achieve your goal you can use two Vuex helpers, the mapState and the mapMutations. Let’s take an example, the code below will create your store with a global form and Mutation to set the form:…
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answer219
viewsA: Fill modal with Vue js
By default, the watch function observes modifications to an object at a "higher" level, i.e., it observes no internal modifications to the object. So if you have the object post and change it to…
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answers6612
viewsA: Problems using v-Mask (Vue.JS)
Are you trying to use the directive of v-mask but is importing the plugin and not the directive. Here’s an example working: main.js import { VueMaskDirective } from "v-mask"; Vue.directive("mask",…
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answers929
viewsA: Change the color of only one button in Vuejs
There are several ways to do this, let me give you an example with class and style interconnection. First we will need a date that will simulate the buttons you get from the API and render them on…
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answer335
viewsA: Filter array value in VUE
You needed to use the function filter from Javascript to filter the original list, follow an example of implementation <template> <div class="hello"> <input v-model="search" />…
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answers4398
viewsA: Difference between Promise and callback
A premomise is exactly what the name says, a promise. Its "promise" function that will return something, this something can be a success, error, message and etc. What will you do with what was…
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answer47
viewsA: How to filter the Chrome Devtools search for the file extension?
After digging a little deeper into Chrome, I discovered: file:*.js string-para-procurar You can search in a specific file as well file:arquivo.js string-para-procurar…
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answer47
viewsQ: How to filter the Chrome Devtools search for the file extension?
In Chrome Devtools it is possible to perform a search for some string in the files that were loaded by pressing Ctrl + Shift + F. What I would like to do is filter this search to find only files…
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answers16
viewsQ: Why jQuery’s . date() method does not update the data in the browser element inspect
Can anyone explain why the method .date() of jQuery does not update (visually) the data shown when using the "inspect element" of the browser? The data is there because it is possible to use them…
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answer33
viewsA: Generate JSON data page in Jekyll
After some time of research I discovered the data files from Jekyll, at first I thought it was possible to read that data only through templates liquid, but after doing some tests I noticed that the…
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answer33
viewsQ: Generate JSON data page in Jekyll
I wonder if there is any way to generate a page with data on JSON (false data) in the Jekyll. The intention is to simulate a request AJAX for that page already preparing the code for when the data…
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answer256
viewsQ: Is reading files in Python updated in real time?
I am developing an application where I will create a multithreading that will read a file .json and based on a key from this file (status: 'pending' or status: 'completed') I will perform an action…
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votes2
answers947
viewsA: How to perform a simple state and city search with jquery and json
You can use the method $.getJSON() from jQuery to recover data from your JSON page and there just select the data based on what the user typed. Take the example index.html // captura o evento de…
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answers82
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answers1751
viewsA: Like counter with JS/Jquery?
The problem is that you are losing the reference to the button you are clicking. This $(".like").html(count + "Curtidas"); will get all elements with the class .like. For your code to work will have…
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answer383
viewsA: How to add x icon at check-box
I have no experience with Ionic, but until someone with more experience can give you an answer, here’s a tip on how to do it with CSS. I used the following icon font (maybe it’s the same as Ionic,…
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answers109
viewsA: How to fix "dancinha" (Flicker) of icons Webfont when doing page Load?
This Flick happens because your font has not yet loaded, in my applications I usually use a pre-loading, so these "problems" are not visible to the end user. If the pre-loading is not an option you…
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answers73
viewsA: Change of logo with CSS3
There are several ways to do this, the problem is that with only CSS there is no dynamic way to do it. If you want to add more images in the future, you will have to update your code. I’d do it this…
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answer1993
viewsQ: 500 Internal server error in PHP files
Every time I run a PHP file on the server it returns (in the header) an error 500. This only happens with PHP files... Commands like echo and phpinfo() only strings work (tested with echo 'teste';).…
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answers18380
viewsQ: Change svg color in :Hover
I have a SVG inserted with the tag img on my website. I would like to know if there is a way when I do the Hover in this image it changes color but only with CSS? This is the contents of my SVG…
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answer621
viewsQ: Host two websites in a single VPS
I am trying to host two different websites in the same VPS. What are the right procedures to do this? The server apache is already installed and I can host files there. However I can’t host two…
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answers2447
viewsQ: What is the difference between define() and const?
What is the difference between declaring constants with define() or with const. Would it be the same thing or have some detail I should know? define('TESTE', 'constante 1'); const TESTE2 =…
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answer549
viewsQ: Refer to number of Mysql returns
I am trying to do a check in a database to check if there is a certain value, which should return me 0 or 1. In the query made manually inside the phpMyAdmin get success with my query. SELECT…
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answers1720
viewsQ: Which is faster, access data in file or database?
In terms of performance which method is fastest to recover data, 1) read a file (which will be generated only once with PHP) or 2) take this data from a database? This data will always be shown on…
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answer4417
viewsQ: What’s the difference between print and echo in PHP
What would be the difference between using print or echo in PHP, since both print a text on the screen. When it is most advisable to use which? echo "echo"; print "print";…
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answer1769
viewsQ: Compressing data with Javascript
Is there any way to compress data (strings) using Javascript? I am developing something for a platform where it is not possible to make use of any server language (at least on their host) and we do…
javascriptasked waghcwb 1,915 -
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answer781
viewsQ: How to save data to a global array
I am studying PHP, and so far I have developed a small system that "mounts" the site views and etc. But I came across an extremely annoying problem that I can’t solve. I need a function to show the…
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answer417
viewsA: how to prevent an element from being reloaded when accessing other pages of the same site?
If I understand correctly, what you want is to do an AJAX navigation. I know two ways to do this, which is by using AJAX (but you yourself mentioned that you don’t want this) and the other is a…
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answer101
viewsQ: Why define a constant for the same document and check if it exists in the document itself?
I see in many codes out there programmers that setam a constant and in the document itself check whether this constant exists (was defined) in itself. I would like to know why this happens. When we…
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answers1694
viewsA: How to do when a button is clicked is created an element on the page?
There are several ways to do this. If you are using jQuery you can use methods like after(), before(), append(), prepend(), and so on... Here is an example of use: // Conteúdo que deseja inserir var…
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answer164
viewsQ: Increase the size of a DIV manually
I have a div with a list of items inside, I would like to know how to do a function so that when the user click another div below the list, he can resize the height of this div manually (Stack…
javascriptasked waghcwb 1,915 -
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answer412
viewsA: How to make dynamic animations with CSS3?
Just complementing what you already found there for the guys you don’t know yet. CSS3 animations can be created using the property @keyframes, which by the way is a very powerful property. It can be…
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answers977
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answer272
viewsA: Pass dynamic SVG widgets to file
Well, if I understand correctly you want your user to create a SVG image dynamically with Javascript and then you want to create this image on the server with PHP, right? If it is, just make a form…
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answer11355
viewsA: Is there any way to check if a cell phone number is valid?
Well, regex is not my strong suit. But I tried something for you here, I followed the following pattern: The value entered by the user must start with 8 or 9 - ^[9|8]; Should be followed only by…
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answer204
viewsQ: Update headers with AJAX
I have an AJAX form that only shows a captcha to the user when the form is sent more than 2 times. I save those attempts on $_SESSION with PHP, but as the form is sent via AJAX captcha will only…
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answer14926
viewsA: Pointed Buttons and Text Balloons
Exists in small "trick" using the edges in CSS which allows us to make triangular edges. I personally insert these edges with :after or :before. Here’s an example of how I would make your examples…
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answers148
viewsQ: Detect when a form is sent
How could I detect when a form is sent with pure Javascript? It would be the equivalent of this in jQuery $('#form').submit(function(event){ alert('Meu callback'); event.preventDefault(); }); I was…
javascriptasked waghcwb 1,915 -
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answers148
viewsQ: What precautions should be taken when sending an email via PHP
I am developing a contact form for my site, as usual I first make it functional, and then work on the security of it. In the case of a simple form, which will only receive one field name, another…
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answers118
viewsQ: Is it dangerous to use for loop in querySelectorAll?
Always when I need to select more than one element on a page it is not possible to use the querySelector() isn’t it? Then we should resort to querySelectorAll(). I’ve always used it the following…
javascriptasked waghcwb 1,915 -
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answer2865
viewsQ: Make a POST with AJAX and JSON with pure Javascript
I have the following code on jQuery $.post('/privmsg?', { folder: 'inbox', mode: 'post', post: '1', username: 'Wagner', subject: 'Título', message: 'Mensagem' }); I am studying Javascript, and would…
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answers2221
viewsQ: Dynamically change label value
I’m a beginner in Python. How do I change the value of a label dynamically? To be more specific, I have the following code: #!/usr/bin/env python from Tkinter import * import socket, webbrowser root…
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answer557
viewsQ: .each() in pure Javascript
On a platform of forums there is a pagination system, and I would like to make this pagination via Ajax, for this, I built the following function: //<![CDATA[ var Pagination = (function(w, d) {…
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answers1037
viewsQ: Use "ping" on a Python site
In Windows CMD it is possible to use the command ping to take the IP of certain websites, for example: ping www.facebook.com.br Is there any way to do something similar using Python 3.4?…
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answers1335
viewsQ: Why is it bad practice to use Javascript inline?
The title already describes the question: why is it considered a bad practice to use CSS and Javascript inline in our codes? It’s bad to use it even on smaller projects?
javascriptasked waghcwb 1,915 -
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answers1258
viewsQ: Word filter
How can I make a Javascript word filter? For example, I have a div and within that div do not want there to be certain words that are inside an array: var badWords = ['teste', 'teste1', 'oteste2'];…
javascriptasked waghcwb 1,915 -
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answer89
viewsQ: Problem using while loop
I have a input on a page where I type the ZIP code and can calculate the estimated value and time of delivery of a product for each region. By clicking the calculate button it will show a box loaded…
javascriptasked waghcwb 1,915 -
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answer76
viewsQ: Control Javascript page content according to who is ordering
It is possible to control the content of a script page according to the website that is ordering this page? For example if the site X make the request I show X to run if the site Y access I show…