Posts by Mateus Veloso • 1,852 points
105 posts
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		0 votes2 answers737 viewsA: Perform function after given time you have stopped typing (keyup) Vuejs or Pure JSI remade the answer with pure js. var tempo = null; document.getElementById('nome').addEventListener("keyup", teste); function teste(){ var v = document.getElementById('nome').value;… 
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		2 votes1 answer511 viewsA: When clicking the button makes two ajax requests, how to avoid?Put your code in a function : function teste(e){ preco = $(e).attr('id'); $.ajax({ url: path + 'Usuario/efetuarPagamento', type: 'POST', data: {preco: preco}, success: function (response) {… 
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		0 votes1 answer229 viewsA: Field obligationFunctional example, anything post in the comments. $(function(){ $('input').on('focusout',function(){ if(this.value === ''){ $(this).css('border','1px solid red'); }else{ $(this).css('border',''); }… 
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		2 votes3 answers5506 viewsA: Format string or float for currencyFunctions with and without input. var mask = { money: function() { var el = this ,exec = function(v) { v = v.replace(/\D/g,""); v = new String(Number(v)); var len = v.length; if (1== len) v =… 
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		1 votes2 answers161 viewsA: Increase width in % and not in pxFunctional example using % taken from w3school If you need to in Ogress you can comment that I edit the reply. function move() { var elem = document.getElementById("myBar"); var width = 1; var id =… 
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		0 votes1 answer381 viewsA: Add filtered values from an html table with jqueryFunctional example. Explanation : Taking all the TR’s and checking which one is type 'X' and adding only those that meet the same. $(function(){ var total = 0; $('tr').each(function(){ var… 
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		1 votes2 answers437 viewsA: Send form only if any input changesUsing sessionStorage to store the initial form, then only compare, it is worth mentioning the use of the serialize() of jQuery. $(function () { if (sessionStorage) { sessionStorage.setItem('form',… 
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		2 votes4 answers5086 viewsA: How to add values of a column in the table?I made a functional example where I put the Qtd class in the tds and took them all in each. I hope it helps $(function(){ var total = 0; $('.qtd').each(function(){ total +=… 
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		0 votes2 answers365 viewsA: Losing cookie (created in javascript) when switching pagesA functional example, check if you can fix your problem by following the step by step. I did not identify an error in your script. Functional example… 
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		1 votes2 answers4989 viewsA: What is a boolean?Boolean* In computer science, boolean is a type of primitive data that has two values, which can be considered as 0 or 1, false or true. 
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		3 votes4 answers2496 viewsA: Performance of COUNT(*) and COUNT(1)The queries of Count(*) or Count(column or anything else), has no difference in performance levels, including was one of the topics covered in Gustavo Maia blog in the category "SQL Server Myths",… 
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		0 votes3 answers64 viewsA: Delete part of a string and keep URL contained in itI made 2 functional examples, use what you think best, there must be other ways only I did just these. var conteudo = '[caption id="attachment_42478" align="alignleft" width="640"] <img… 
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		0 votes1 answer64 viewsA: Changing color of a div by clicking the first time and showing an alert by clicking the second timeHere is an example, if there are any questions put in the comment. $(function(){ $('div').click(function(){ console.log($(this).css('background-color')) if($(this).css('background-color') ==… 
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		1 votes1 answer207 viewsA: replace color box by image in cssI made an example by placing image instead of color, see if it solves your problem, otherwise advise to edit the answer. #page1{ width: 200px; height: 200px; background: red; background-size: 200px;… 
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		1 votes1 answer21 viewsA: Individualize Page Exchange TimeI changed the function by adding the var tempo, each position corresponds to the time position of the url, so you can modify it however you want. $(function () { var urls = [ "pagina1.php",… 
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		2 votes2 answers190 viewsQ: Postgresql COUNT function does not workThe problem is simple but I can not understand where I am missing, I need to check the amount of results of the following sql: SELECT f.id,sum(p.valor) as valor_fatura, f.valor_desconto as desconto,… 
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		12 votes3 answers1078 viewsA: What is the impact of changing the default behavior of an HTML element?It is allowed to use Javascript to change the natural behavior of an element to act as another? Yes, from the moment we have to stop the spread and cancel a particular event (if it is cancellable,… 
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		1 votes1 answer210 viewsA: JSON return with error: Syntaxerror: Missing ; before statementThe error is happening because you did not set a function to callback. I’ll give you an example of how you solve this. function teste(r){console.log(r);} var url =… 
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		1 votes4 answers730 viewsA: Hover CSS affect another elementExample with CSS only. a{ display:none; } div:hover a{ display: block; } <div> Fulano <a href="#">LINK</a> </div>… cssanswered Mateus Veloso 1,852
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		6 votes1 answer2894 viewsA: Can you cache/retrieve information using javascript/jquery?With Html5 you can use localstorage = local storage. Explanation : What is local HTML storage? With local storage, web applications can store data locally in the user’s browser. Before HTML5, the… 
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		-2 votes2 answers1314 viewsA: I need to add checkbox values (additional snacks)With the script below you will check all checks marked, modify as you want. jQuery(document).ready(function(){ $('input[type=button]').click(function(){ $("input:checked").each(function() {… javascriptanswered Mateus Veloso 1,852
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		3 votes1 answer308 viewsA: Change css by name / url (No ID or class)Come on, from what I understand you need to first create the classes that will give life to everything, with the classes created now you need to check through the link and add to each 'job' your… 
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		1 votes5 answers2126 viewsA: function to count Divs quantityI set the code to count the Ivs and only fill in if it’s above 3. I take all Divs containing class’d' for count and modification. jQuery(document).ready(function(){ if(jQuery('.d').length > 3){… 
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		0 votes1 answer115 viewsA: Trigger an event by pressing the 2x volume button?Functional example below, modify it to suit your needs : Keypresstool : public class KeyPressTool { private static int doublePressSpeed = 300; // double keypressed in ms private static long… 
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		2 votes2 answers123 viewsA: Is there any way to self-adjusting the site for mobile phones?There is, you can even use some framework example: Bootstrap. I’ll leave an example below if you do not want to use any framework and do everything in 'hand' : /* Small devices ( @screen-sm-min… 
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		2 votes3 answers2794 viewsA: Sum values of two inputs and show in thirdFunctional example, sum + sum = result. jQuery(document).ready(function(){ jQuery('input').on('keyup',function(){ if(jQuery(this).attr('name') === 'result'){ return false; } var soma1 =… 
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		1 votes2 answers1418 viewsA: Buttons in JavascriptAnswering your question, it leaves the page because you are using the window.location Explanation: The window.Location object can be used to get the address of the current page (URL) and to redirect… 
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		1 votes2 answers144 viewsA: Enter call Button in Google Chrome and FirefoxBelow is a functional example using jQuery. jQuery(document).ready(function(){ jQuery('#senha').on('keyup',function(e){ if(e.keyCode == '13'){ jQuery('#entrar').trigger('click'); } })… 
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		1 votes2 answers68 viewsA: Height of div using floatSolved, just add float in the main div. div.gallery { margin: 5px; border: 1px solid #ccc; float: left; width: 180px; } div.gallery:hover { border: 1px solid #777; } div.gallery img { width: 100%;… 
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		-1 votes3 answers5951 viewsA: Add inputs with jquery and real timeI made a simple and functional example, any doubt just comment. jQuery('input').on('keyup',function(){ var m = parseInt(jQuery('#multa').val() != '' ? jQuery('#multa').val() : 0); var j =… 
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		3 votes2 answers189 viewsA: How to avoid repeating code that does the same thing for different Ids?[Edited] I added the class. some and she is now responsible for adding visibility, so it is possible to always take the first element of this class and remove it. Any questions comment below.… 
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		1 votes2 answers2339 viewsA: Clear selected option from a select with jQueryIf I understand your question correctly you want to reset your <select> if so I will create an example below. jQuery(document).ready(function(){ jQuery('#limpar').click(function(){… 
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		0 votes2 answers860 viewsA: Local and Session Storage for Login and Registration[ EDITED ] At the time I posted this example there was no code in the question, I will analyze to find flaws and help. Since you didn’t specify an error or something like that, I made a simple… 
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		3 votes1 answer180 viewsA: Javascript - Focusout does not activate AJAXThere is an error in your if, some '{' were in wrong places, put it that way: if(amount > 0){ $.ajax({ url : SITE + 'addbudget', type: "POST", dataType: "JSON", data: { id:id, amount:amount,… 
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		0 votes4 answers1937 viewsA: View data format en dd/mm/yyyyYou need to change the date format, there are several ways to do, below is a simple example. Change that : $('[name="txt_dt_vencimento"]').val(tbl_lancamento.dt_vencimento); for : var spDate =… 
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		0 votes1 answer112 viewsA: Error while converting typesThe problem is that there is a line break and when trying to convert to Integer with parse the error happens, a solution would be to add the . Trim() to remove this and function normally, thus :… 
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		0 votes2 answers14723 viewsA: Set Iframe to 100% heightYou need to add in html,body 100% css at the time for other elements to do this. html,body{ height: 100%; } <iframe src="https://answall.com" width="100%" height="100%" frameborder="0"… 
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		3 votes1 answer51 viewsA: How to prefix value in inputAccording to what I understood regarding your question, I’ve drawn up this code see if this is what you wanted. jQuery(document).ready(function(){ jQuery('.inp-contato').on('keypress',function(){… 
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		1 votes2 answers8760 viewsA: How to create a list with some attributes in java?You need to do it this way. Avaliacaomensal.java will have this code: public class AvaliacaoMensal { private String questao; private char potencial; private int resultado; public String getQuestao()… javaanswered Mateus Veloso 1,852
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		0 votes1 answer548 viewsA: Reading File in JavaHere is a basic and functional example, if you have any problem you can comment below. Don’t forget to pass the correct file path. try { BufferedReader br = new BufferedReader(new… 
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		0 votes3 answers1068 viewsA: How to implement a "scroll Hijacking"I created a simple and practical example: jQuery(document).ready(function() { jQuery('li').click(function(){ switch(jQuery(this).text().trim()){ case 'Vermelho': $('html, body').animate({ scrollTop:… 
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		1 votes4 answers1118 viewsA: Select input with a certain class within a formYou can use the . serialize() of jQuery with this function you get all the data of your form correctly for sending. would look like this: jQuery('form').serialize(); Here an example of the code :… 
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		0 votes1 answer813 viewsA: Click on button and open listYou can try it this way and see if it resolves. $(function() { $("#successBtn").click(function(){ $("#produtos").fadeIn(); }); }); Functional example. $(function() {… 
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		1 votes1 answer201 viewsQ: Annotation or method to ignore field (Xstream 1.3.1)I have a Circularreferenceexception problem when I try to do this: XStream xstream = new XStream(new JettisonMappedXmlDriver()); xstream.setMode(XStream.NO_REFERENCES); xstream.alias("resultList",… 
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		-1 votes1 answer52 viewsQ: Error of CircularreferenceexceptionI need help, I’m with this : com.thoughtworks.Xstream.core.Treemarshaller$Circularreferenceexception And I can’t find the solution. This is the excerpt from the code : XStream xstream = new… javaasked Mateus Veloso 1,852
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		0 votes2 answers319 viewsA: Hide and show div using hrefYour href will look like this: <a href="javascript:ocultarMostrarFiltros()" class="wminimize"> Now you need to have the function that makes the magic : First you check the current state ( if… 
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		0 votes1 answer1369 viewsA: Uncaught Typeerror: Cannot read Property 'addeventlistener' of nullI suppose you’re trying to add an event to a null, for example: var overlay = document.querySelector( '.md-overlay' ); If there is no 'Md-overlay' just below you have this section :… 
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		-2 votes1 answer882 viewsA: Decrease page size for printingYou can use: @media print, so you can specify the size, follow an example : JSFIDDLE EXAMPLE I hope I’ve helped! 
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		5 votes11 answers38715 viewsA: How to check if the variable string value is number?Check if it is int: def isInt(value): try: int(value) return True except: return False I hope I’ve helped! 
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		1 votes1 answer49 viewsA: Merge upload and input ajaxTo check if your input file has files you can use the following code: if(document.getElementById('avatar').files.length !== 0) {console.log('Existe arquivos');} I hope I’ve helped!…