Posts by Vinnicius Gomes • 115 points
15 posts
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answer144
viewsQ: How to get a specific position of in foreach with PHP
I am creating an application that I will have an RSS, and I created this script in PHP: <?php // permite requisições a urls externas ini_set('allow_url_fopen', 1); ini_set('allow_url_include',…
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answer4677
viewsQ: Undefined is not an Object (evaluating '_this.props.navigation.navigate') React Native
I have this signOut function that I call through a button, but when I press the exit, where it calls a onPress: () => this.props.navigation.navigate('SignIn') it returns the following error Does…
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votes1
answer1727
viewsQ: Add dynamic id with Javascript
Appeared the need for me to create a view I need to add inputs through a button, where the user will enter the name of the field he wants to add, this name will appear in a label on top of the…
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votes2
answers166
viewsQ: What defines the name of Arrow Function in React
I’m studying Reactjs, and in the course I’m doing the teacher varies between class and arrow function, my doubt is, where the name of Function comes from? Example: When we create a component in…
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votes1
answer149
viewsQ: Call a Section tag without displaying the ID in the URL
I wonder if there’s a way I could call one id of a Section HTML without displaying for example in the URL a #id, follows a print below to help in understanding I’d like to call the tag Section Sobre…
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answers1478
viewsQ: Add App button on Home screen
Lately I’ve been seeing this button that’s at the bottom of the print Adicionar o app QuintoAndar à tela inicial present on some websites, when you click it add an icon of the site in the menu and…
androidasked Vinnicius Gomes 115 -
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votes2
answers32
viewsQ: Webmail CSS alignment
I’m having trouble aligning the text of a tag <span>, use the margin-left in css and it works but only gives the margin in the first line <tr bgcolor="#fff"> <td style="padding:0px…
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votes2
answers1224
viewsA: What is and what is the < br clear="all" >?
The attribute clear is an attribute used to clear pre-existing alignments. This ensures that the content after the <br> appears below the baseline of the previously aligned element. In the…
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answers54
viewsQ: Scrollspy does not work
Scrollspy is not working, I would like you to change the class of each navbar item when the user goes through a specific Service, I did all the recommended imports in the documentation and it still…
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votes1
answer413
viewsQ: Complexity function
I’m having doubts about how to perform a complexity function analysis of this Java code package exercicio_2_ed; public class Potencias { public void calcular( int[] numeros ){ for( int i = 0; i <…
javaasked Vinnicius Gomes 115 -
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votes3
answers109
viewsQ: Run Ajax script automatically
I’m having a problem with a college project. I would like to know how to run this Ajax script automatically: <script type="text/javascript"> function buscaCep() { var cep = $( "#cep" ).val();…
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votes1
answer319
viewsQ: UTF-8 Does not work on all pages
I’m having trouble using the charset='UTF-8'. I am developing a website for a college project using MVC and as a standard I declared the utf-8 in a view to be used as a standard for other views, but…
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votes2
answers128
viewsQ: Music on the website page
I would like to know a way to put music running in the background when the site page is loaded automatically without the user having to use a player to start the music, I searched in the…
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votes1
answer127
viewsQ: Materialize is not responsive
I developed a site using the css of http://materializecss.com/, but it does not get responsive, I wonder if the materialize is responsive and if you have to do something to make it responsive…
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votes3
answers870
viewsQ: F11 mode in browser
Is there any way to make the site, when it is automatically loaded, stay in full screen as when we press F11, in any browser?