All Questions

2
answers

Function to mark / uncheck checkbox, jquery

How can I check / uncheck checkbox in jQuery when I click on a button and at the same time give an alert whether it has been checked or unchecked.     
asked on 06.02.2015 / 05:25
2
answers

What is the name of the Tabs that are being used in the new apps?

It is a tab that when you slide from the content of the Tab to the side goes to the new tab. In the new update of Youtube implemented this and I wanted to know the name to implement in my app. Youtube tab link Image of the update:   ...
asked on 24.07.2015 / 15:23
3
answers

Assemble a single string with several strings of an ArrayList in Java

How can I get multiple Strings from an ArrayList in a simplified way and merge into just one string variable? I'm new to Java and I'm having trouble completing this change in a simplified way, avoiding long, unnecessary lines of code. List<...
asked on 17.06.2015 / 22:21
1
answer

Display a message when the ListView is empty

I have a ListAdapter that extends a BaseAdapter that works perfectly. When it is empty, I want a message to appear. Where to implement this validation?     
asked on 01.02.2014 / 19:45
2
answers

Undefined function reference

I have a problem related to the modularization of my project. Do not get too much into the logic of the program, because the biggest problem I face is the fact that the program does not compile. I think the problem lies in linking between the...
asked on 09.01.2015 / 02:23
2
answers

Is it necessary to use meta tags on administration pages?

Is it necessary to have the meta tags "description", "keywords" on site administration pages, as these will not be indexed?     
asked on 01.02.2015 / 13:13
1
answer

Checking string within string

How to tell if specific text is contained in a string ? example: String str = " Hello Word"; How do I check to see if the word "Hello" is contained in that string "str". And if the check is true, how do you edit it? If the word...
asked on 16.07.2015 / 03:04
3
answers

Convert string number to PHP integer

I am converting a string to integer in PHP, however in the return of settype($variavel, "integer") , or (int)$variavel bring me a null value or equal to 1. Is there another way to try the conversion? The code I'm having is thi...
asked on 31.08.2015 / 21:22
3
answers

Pagseguro does not redirect client after payment

After the payment, the client should be redirected to the thank-you page that I set up, but that's not what happens. I've got an API, I just needed to set up 2 files, they are: PaymentPagseguro.php and PagSeguroConfig.php . Th...
asked on 30.03.2015 / 02:22
4
answers

Memory allocation for pointers

I've been reading and studying pointers and I came across the following quote in a book: "Although it is possible to use them as vectors, pointers do not have their own memory. Pointing can only be used after a pointer is pointing to some obje...
asked on 17.08.2015 / 12:37