All Questions

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What is a 3rd Party and what is its importance for the development of traditional applications?

Although there is a definition in the wikipedia , most of the time this term is co-related to game development. Due to the specific form that the term is treated, the doubt arises whether this concept is applied to the development of traditiona...
asked on 26.06.2017 / 16:12
2
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how to change h2 to h1 via jquery

I need to change h2 to h1 dynamically I thought I would use jquery as follows but it does not work: $("h2").removeAttr("h2").attr('h1'); $("h2").attr('h1'); using classes as selector; $(".wd-product-list .wd-widget .wd-title").Attr("h1"...
asked on 21.07.2017 / 15:47
2
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Function () X Function.call () [duplicate]

When parsing Javascript / jQuery plugins, I usually see functions being invoked with .call() . Home I understand that by calling functions in this way, the first parameter passed is this (in this case, the function call provider)....
asked on 25.08.2017 / 19:43
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What is a binary operator

I made a code in bash: #!/bin/bash echo "Digite o arquivo: " read ARQUIVO PROCURA=$(find /home/gabriel -name $ARQUIVO) test $PROCURA -e & echo "O arquivo '$ARQUIVO' não foi encontrado" And when you run it you get the following error me...
asked on 16.05.2017 / 05:40
2
answers

Make LI appear only on Mobile

I have an LI and would like it to be shown only in mobile mode: <ul style="display: block;"> <li><a href="/">Início</a></li> <li class="list-cat"></li> <li><a href="teste">Preços</a&g...
asked on 19.06.2017 / 15:57
2
answers

Key code does not hold the ESC key

I'm making a function so that when a keyboard key is pressed, it performs another function. With the letter keys, numbers and until Enter works. However, the ESC key does not work. Has anyone ever had to do something similar? Follow the code...
asked on 10.08.2017 / 14:52
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Arraylist of int [] in java

I am creating a list from a array using the Arrays.asList method. Now I want to remove the first element, but Java accuses:    Exception in thread "main" java.lang.UnsupportedOperationException List<Integer> lista =...
asked on 17.07.2017 / 22:22
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How to transform an asynchronous function into a synchronous one?

I have an asynchronous function and would like it to become synchronous, as being asynchronous it is sending the data to the client before even completing the necessary steps, it follows code: imap.once('ready', function () { openInbox(fun...
asked on 30.08.2017 / 14:35
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answer

How to post to a facebook page using PHP

I would like to know how to make automatic postings on a particular facebook page using PHP. I consulted the documentation that facebook offers and besides being in English I also did not understand enough to assemble the script. I already have...
asked on 19.02.2015 / 02:12
2
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How to smooth a curve and define ylim for a given function using ggplot2?

I got the following graph with the curve function: f1 <- function(x){x^4 - 6*(x^2)} curve(f1, xlim = c(-3, 3), ylim= c(-10, 5), ylab = expression(x^4 - 6*(x^2))) However, I would like to use the ggplot2 package to reproduce this same gra...
asked on 18.03.2015 / 20:23