All Questions

2
answers

How to use reflection on a COM object?

I'm trying to do a reflection in a program, however, at the time of picking the object type (which is needed for reflection) is returning "System .__ COMObject", and this is not useful. The method I tried was the following: Type tipo = sim...
asked on 10.09.2014 / 20:18
1
answer

Web scraping to collect scientific articles on ScienceDirect

I'm trying to use R to select ScienceDirect page articles using keywords. I was able to extract pdfs from a page last week, using the page source information. The code used was as follows: base.url = "http" doc.html <- htmlParse(base.url) d...
asked on 13.10.2014 / 17:44
2
answers

How to remove a column from the data.frame in R?

Suppose a generic data.frame, such as: set.seed(1) dados <- data.frame(y=rnorm(100), x= rnorm(100), z=rnorm(100), w=rnorm(100)) head(dados) y x z w 1 -0.6264538 -0.62036668 0.4094018 0.8936737 2 0.1...
asked on 17.02.2014 / 18:10
2
answers

Is there a late reading class in the .Net framework?

I would like to know if there is any class in .Net that allows me to tell it how to read a data, but that DO NOT read immediately ... only later when requested, this class it reads and stores the value, in case several readings are taken. S...
asked on 31.01.2014 / 22:26
2
answers

How to register .net dll using Inno Setup

I have a DLL written in C # and I can not register it using Inno Setup. An example of how to run this process would be useful.     
asked on 10.02.2014 / 11:16
5
answers

CSS Child selectors in IE8?

Today I needed to make a fix for IE8 in which I used the following selector to align 3 boxes horizontally. #page-content .section-servicos .box-servico:nth-child(3n+2){ margin-right:0px; } In IE8 this code does not work, so I decided to do...
asked on 17.02.2014 / 17:50
1
answer

Get EditText value from a layout passed as parameter to an AlertDialog.Builder at the click of the button?

I use LayoutInflater in my view - View view = li.inflate(R.layout.alertdialog, null); I created an AlertDialog.Builder builder by setting the view, and the positive and negative buttons. My Layout has an EditText and I want to get the val...
asked on 06.02.2014 / 23:22
1
answer

Is there any way to remove unused CSS and JS code from the application?

I wonder if there is an transpiler that parses the classes and ids used in an HTML page and removes all classes and ids in CSS and JavaScript. This would be interesting to further narrow down files by improving page performance.     
asked on 13.12.2018 / 12:02
1
answer

Execution of multiple functions within loops * pply

dput : dataset=structure(list(var1 = c(93.6192987300456, 89.1180437617004, 73.1943506933749, 99.0350881963968, 32.3240431956947, 94.2517145164311, 53.7740966491401, 64.1642983071506, 83.643307145685, 27.0992671512067, 84.45406595245,...
asked on 26.11.2018 / 18:01
1
answer

How to select partially distinct lines?

I have a table whose column reference contains values constructed as follows:    Reference / Color / Size / Gender Examples: JOHN/WHITE/52/MALE JOHN/WHITE/51/FEMALE JOHN/BLACK/52/MALE JOHN/BLACK/51/FEMALE JANE/BLACK/XL/MALE JANE/...
asked on 06.01.2014 / 21:35