All Questions

2
answers

Message history with PHP, MYSQL and AJAX

I'm creating a kind of Imbox, a chat so to speak but with the difference is that I do not want it to be a general chat, where all users write and it appears to all, so I made the system reserved between two users similar to facebook, it works wh...
asked on 18.02.2017 / 17:33
1
answer

Apache tomcat spring mvc webapp file upload

I am creating an application with Spring MVC, in which users upload files, I understand that the files can not be located within the project since this would make my .WAR file very heavy and these files would be lost if I re-deploy the applicati...
asked on 02.03.2017 / 05:41
1
answer

How to pass numeric values for command line arguments to a JComboBox?

How about, first post here and I would like to know if you could help me with this question. I have to make a calculator through JComboBoxes in Java and what I need to do is pass numbers to perform the operations, by means of arguments in the co...
asked on 28.02.2017 / 23:30
2
answers

doubt matrices c ++ [closed]

I have the following exercise in which they ask me to compare a value with the numbers of a matrix given a precision that can not be exceeded, the numbers that meet that condition will be printed in a new matrix and if they do not comply, it wil...
asked on 21.02.2017 / 00:42
1
answer

Can not read property of undefined Angular 2

Good morning. Currently I have a view, from which I recover a data that happened to a component that calls a service. The data passes from the view to the function of the component by means of a click event without any problem. But when you c...
asked on 24.02.2017 / 12:12
1
answer

Show the letters of a string and how many there are

I have a code that shows me the letters of a name and the number of letters in that name. But when he prints the letters and how many there are, he repeats the letters he has already read and tells me the spaces. Here the code: create or REPLA...
asked on 26.02.2017 / 02:15
1
answer

Sort upload php files on my FTP Server

Hello, it is possible to upload files and that the php code will order these files in numbers. That is, for example I upload many repeated files, others not repeated, and the php code will rename me by numbers in order 1.2.3.4.5.6 .... etc and t...
asked on 10.10.2016 / 14:10
2
answers

Doubt about files in C ++, Basic

I just started studying files in C ++. I was trying to do an exercise but I have not been able to get it out. The statement is as follows:    Perform a program that reads the name of a file by keyboard. This file will contain a series of t...
asked on 23.02.2017 / 15:50
2
answers

Regex in javascript that selects something that on its sides (left, right or both) does not have certain terms

I am trying to find a regular expression that selects me those spaces in whites that on its left side, right side or both have any word except a specific word. The regex must obtain the following result: Internal spaces that you should...
asked on 13.10.2016 / 01:32
1
answer

Is it possible to save data in a mysql database using a method?

Hello community, I am an apprentice in java programming and I would like to know if it is possible to register to bd MySql using a public string method, adding the property of the data to be stored in a bd MySql, sorry for the question...
asked on 07.10.2016 / 02:17