Posts by Wan • 298 points
16 posts
-
-1
votes1
answer101
viewsQ: How to get microphone frequency in Hertz in Java Script?
I am working on a component of an application, where I have to pick up the frequency of a sound sent by an audio input (microphone). Although I’ve never done any of this, I did a little research,…
-
-2
votes2
answers198
viewsQ: PHP page does not receive data via POST
I’m having a problem, for some reason my script does not receive data from a form, however if I send the form to the same page, it gets. Following form: <form method="POST"…
-
1
votes1
answer163
viewsA: Angular 9 + error when passing variable in direct html function
Guys, I got it! I don’t know what it was, except I tested it on the shampoo. I restarted all the applications and the S.O. itself and then it worked on WAMP, I believe it is some bug or failure in…
-
-1
votes1
answer163
viewsQ: Angular 9 + error when passing variable in direct html function
Guys, I have a question about a mistake that I don’t understand why. I have a function that I run by a click, this function has to pass a single value and is passing(tested via console.log).…
-
0
votes1
answer31
viewsA: Problem with identification / Function
You would need to pass the key to the item. Something is mounting it on the screen right? Whether it’s a PHP or even an Angularjs, it doesn’t matter, when you build this screen, you need to bring a…
javascriptanswered Wan 298 -
2
votes1
answer211
viewsA: string concatenation using + in Javascript
Your code is correct, you just forgot the spaces. var nome = "João"; var sobrenome ="Silva"; var idade = 30; var resultado = nome + " " + sobrenome + ' terá ' + idade + ' anos';…
javascriptanswered Wan 298 -
1
votes1
answer70
viewsQ: Is it possible to go through all the lines of a select, through some loop in the Mysql database?
I have an application that I developed a few years ago in a hurry, and then I started working to improve its performance. In this app, there is a part of the process that I perform several actions…
-
0
votes2
answers63
viewsA: Close submenus by clicking another
If what makes the menu open, it’s the class 'show' . Just remove the class from the open menus. I believe something like this would solve your problem: I put id for reference in the menu:…
-
0
votes1
answer35
viewsA: What are the observables?
Observables has the function of warning/notifying the angular whenever a change occurs in them, so it is very common to use Observables for http requests for example. It is very similar to a…
-
0
votes1
answer42
viewsA: Jquery - My What doesn’t work more than once in this animation. What can it be?
A workable solution to this, would be you add your own div, mouse events to trigger your function. <!-- DIV a ser animada --> <div id="idMinhaDiv" onmouseover="chamaEfeitos()"…
-
1
votes1
answer36
viewsA: How do I prevent an element from viewing in Microsoft Edge and Internet Explorer?
Assign an ID to the body or to a div master who compose all valid content, then you create a . css and call it in the page header the way you did. Then you create a div with the message and…
-
6
votes1
answer71
viewsQ: Recursive Problems - Too Much Memory - Angular 9 - Settimeout()
Guys, I’m building an API and I need to make requests every three seconds on the server. Follows the code: countAcess() { if (this.menuExa && this.appService.requestValid()) {…
-
0
votes1
answer38
viewsA: Guys, I have a question with Mysql about Procedures. Is it possible to save their return in a BD variable?
Guys, I’ll leave you the question in case anyone needs it, but I’ve decided to move the trial to function. Then the function yes, I can allocate the return the way I want.
-
0
votes1
answer38
viewsQ: Guys, I have a question with Mysql about Procedures. Is it possible to save their return in a BD variable?
I have a repetitive process in BD that is validate the user for each request, so I decided to create a process for this and call inside the others when necessary. However I have the need to save the…
-
1
votes1
answer118
viewsQ: I’m having a stupid question, but it’s been a while and I don’t know how to solve it. (Mysql)
I was trying to create a table in mysql, simple, but it was giving an error. I decided to download an ide (Dbeaver), it kept giving error, so I downloaded Mysql Workbench and it does not generate…
-
0
votes3
answers314
viewsQ: How to stop fomulário sending with Javascript?
I have a form using the form.CheckValidity to check empty fields and not send them. However precise also it compares and does not submit forms with different password fields. I tried everything I…