All Questions

4
answers

Block expired dates in an input type date

How can I block previous dates in an input type date     
asked on 01.08.2016 / 15:31
2
answers

Can changes be made from one branch to another in Git?

I started using Git relatively recently and I have the bad habit of starting to program without creating a new branch. That is, I modify the code directly from the master branch. Can the changes made in one branch be moved to another a...
asked on 09.06.2017 / 10:53
4
answers

Where does this point in this first example?

There is one thing that I do not understand and it is in this case: the operation of this . This will always point to the object containing the function and the this will be called from the function, my second this...
asked on 20.12.2017 / 11:00
2
answers

Can you pass predetermined or optional arguments in Java as it is done in PHP?

I have a Java method where I sometimes need to use a numeric value, but sometimes I do not. In PHP there is something called Default argument values , where you can do something like that ( example from the same PHP manual ): <?php func...
asked on 04.12.2018 / 13:25
3
answers

SELECT does not work

Good afternoon, I am trying to take the values of a field in a table with the clause where of a $ _POST that I bring from another page. The variable in question is id_stud that I bring it to me by POST perfectly ... in fact when I save it in the...
asked on 06.07.2017 / 13:32
3
answers

I iterate 2 array in a v-for with fields that have a relation

I want to show two arrays in a table veran I have two arrays in the first one I have the products and the second one I have the states of the products and it has a field product_id to which it refers. <table class="...
asked on 30.12.2018 / 02:55
2
answers

Separate single quote in String JS

I have a string like this: var cadena = '<form name="name" th:action=" 'ERROR' ">'; I have some single quotes within the string and that is what limits the start and the end, how can I do to include the escape characters as part of th...
asked on 04.06.2018 / 11:47
1
answer

Sort View Pager

I was working with ViewPager and I had a problem. I have 3 layout created (screen1, main screen, screen2) that I want to show that way, that the application opens showing the main screen and that when I slide to the left it shows the screen1 and...
asked on 03.10.2016 / 23:26
3
answers

how to find repeated in a javascript array [duplicated]

Hello Friends given an array: var x = [1,9,2,1,5,6,2,9]; How could you identify the elements that are repeated in the array x and put those repeated in another array? I know I have to go through it with for (i=0; i<x.length;i++)...
asked on 29.05.2018 / 02:32
1
answer

save pdf image

Good afternoon. I have a theme when trying to save a pdf document in a local folder. With openFileDialog I'm not allowed and with itextsharp I do not understand how to do. What I need is from my windows form, a dialog is opened, I can s...
asked on 13.10.2016 / 14:46