All Questions

1
answer

Parameter step undefined in Ionic 2 when there are Tabs

Esoy using the tabs in Ionic 2 but I can not pass parameters between them. Currently, what I'm trying to do is to import the class that contains the tabs into one of the tabs and try to access a method of that class that returns the values....
asked on 29.03.2017 / 13:02
2
answers

Error Undefined variable: mysqli_query

I do not list my data in a table, I do not know if I'm failing to call the query. The error is: Error Undefined variable: mysqli_query Code <?php include ("db/conexion.php"); $query = "SELECT * FROM infraccion"; $result =$co...
asked on 30.03.2017 / 18:05
1
answer

How to rotate a table name left margin with knitr and xtable?

I'm trying to get a pdf with the results of the table command applied to two vectors. For this I use knitr and the xtable package, although other solutions and advice are welcome, such as with Kable. As an example we can create the table f...
asked on 29.03.2017 / 15:51
2
answers

I can use the scanner class to read binary files

I do not know if I can use it or not, can I use the Scanner class to read binary files?     
asked on 03.04.2017 / 09:06
1
answer

Group and accumulate values in JavaScript

Dear: I have the following file JSON with information: var rawtData = [ { date: "2015-01-03", "pv": 50, "ac": 100, "ev": 50 }, { date: "2015-01-01", "pv": 100, "ac": 200, "ev": 200 }, { dat...
asked on 22.02.2017 / 21:33
3
answers

BufferedReader class of java

It turns out that I made a program where you get a String String or a text file txt where I should take it the occurrences of each word found within the text or string and also take the occurrences of punctuation and question marks, excl...
asked on 02.04.2017 / 19:43
1
answer

Replace a route with regex. Error: "character to be escaped is missing"

I have a program that detects every time a new file is created, and I want to copy that file to a new location. My problem is that I do not know how to do to remove the piece C:\Archive and delete it for the new location. ruta = ruta...
asked on 22.02.2017 / 19:11
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Date format changes to English Reporting Service

I have a report which shows in its content the date of a calculation, which should be formatted in Spanish, eg: March 22, 2017; However, it is shown in English: 22 MARCH 2017. When I review the dataset that I get, it has the following format: dd...
asked on 01.03.2017 / 17:21
2
answers

Problems creating or updating records from array

I need help. I am setting up a system for loading notes per subject per student. I put together a spreadsheet to load these notes (angular) and once they finished loading, I sent all that object to be processed, but when I try to save those n...
asked on 01.03.2017 / 15:36
1
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How to remove the styles when the if conditional is false

And now how can I do the reverse functions?, by clicking I want that when the div cont-fieldBusq-relat is display: block; I want you to remove the styles that were assigned when we clicked on it, the function that I would like it to be is to g...
asked on 02.04.2017 / 13:19