All Questions

2
answers

Autocomplete text of an input based on data stored in Local Storage

Hi, I would like to know if there is any way that by entering characters in a input of type text a bar with previously entered suggestions is displayed, using JQuery , javascript , etc. I clarify that I do not want to o...
asked on 01.03.2017 / 19:48
1
answer

Pass a java string to uppercase and lowercase

I am making a program that receives a string and returns the same string, interspersed with capital letters, that is, receives hello world (equal capital and lowercase letters) and writes HoLa MuNdO, regardless of the spaces. Now what he does to...
asked on 28.01.2017 / 13:21
1
answer

C ++ How do I make the visual environment of a program?

I've been programming for a while in C ++ and I'm starting to see C # I'm honestly interested in making desktop programs, but I have no idea how the visual environment of the program is made; that is: buttons, effects, images, sounds, etc....
asked on 12.02.2017 / 17:25
1
answer

Configure multiple virtualhost with the same SSL Certificate - Apache

I was configuring a pair of domains that shared the same SSL certificate, that the content will be in different folders and evidently that everything was on the same server. My domains are:    example.com (For the Website)       api.examp...
asked on 03.03.2017 / 16:25
3
answers

Take sql data and mark it as active or current

I want to do this in php maybe I can not explain myself well so if you need to modify it do not worry I can do it quickly since I feel in my pc I have a table with only 2 variables (ACTIVE) and (NOT ACTIVE) $sql = mssql("select estado from...
asked on 26.01.2017 / 12:52
4
answers

Update Android Studio 2.3 and have error Can not resolve symbol AppCompatActivity - Support v7 libraries are not recognized?

I just updated the Android studio de 2.3 and it marks me as error Cannot resolve symbol AppCompatActivity - Support v7 libraries aren't recognized? but compile and run the app, without any problem, that is, it seems that something...
asked on 03.03.2017 / 15:24
2
answers

Filter rows of a dataframe whose columns have different / equal values in R

I have a data frame with a tumor classification. The program I use uses two different classification methods and in some samples it appears to me classified differently. I would like to make two tables one with the tumors whose classificat...
asked on 22.02.2017 / 10:45
3
answers

Detect what type of iOS device and android

Do you know if there is a way to detect which device is being used? For example, detect if it is iOS5, iOS6, iOS6s, iOS6s plus, etc. And on android if it's Samsung, Hawei, LG, etc. Thank you very much     
asked on 25.01.2017 / 18:56
1
answer

Count null and not null fields, grouping by another field

I am building a query that tells me the number of fields that are null and the number of fields that contain some content. Data . This is my table: CREATE TABLE opciones ( ID int(11) NOT NULL, id_pregunta int(50) D...
asked on 22.02.2018 / 00:28
3
answers

I have a problem with showing values on the screen with javascript

I'm just starting with this language, but when I want to show some value I do not see anything, any solution? HTML code <html> <head> <title>Arreglos</title> </head> <body>...
asked on 23.03.2018 / 00:10