All Questions

2
answers

How to perform insert or update of a JSON object

JSON object $postdata : { "0": { "codigo": "1", "descricao": "Bobina", "preco": "10.0000" }, "1": { "codigo": "2", "descricao": "Capa", "preco": "20.0000" } } Using MySQL...
asked on 14.02.2017 / 18:43
2
answers

Direct (and beautiful) solution for storing base using dplyr

I have the following default basis: df <- data.frame( lead_15 = c(1,0,0,0,0,1,0,0,1,0,0,0,0,0,1), lead_30 = c(0,0,0,1,0,0,1,1,0,1,0,0,0,1,0), lead_60 = c(0,1,0,0,1,0,0,0,0,0,1,1,0,0,0), inib_15 = c(1,0,0,0,0,0,0,0,1,0,0,0,0,0,0),...
asked on 16.02.2017 / 20:31
1
answer

What is an "output_buffer"?

Reading is answer , this question came to me. What is a output_buffer ?     
asked on 17.02.2017 / 19:47
1
answer

Compensates to store the value of a struct member in local variable?

I see several programmers doing this. Instead of accessing the member of a struct directly, it copies the value to a local variable to the function and uses this variable. Is there performance gain in this? Does it matter if the struct...
asked on 09.02.2017 / 13:34
1
answer

How to transform a string into HTML C #

I'm using a component and need to load it with HTML snippet that comes in a variable. For that I created this JQuery: $(document).ready(function(){ $('.mentions-kinder').html('@HttpUtility.HtmlDecode(Model.FormulaRecover)'); }); But eve...
asked on 18.03.2017 / 23:26
2
answers

Deserialize Json string [] to string []

I have the following JSON : {"TicketID":["116","114","112","108","107","104","102"]} When I try to deserialize to string[] I get the error:    Server Error in Application '/'.       No constructor without parameters   was...
asked on 22.12.2017 / 19:14
2
answers

Analysis of sound waves from an MP3 file and representation

Is there any way in Java / Android to open an MP3 or WAV file and from there get the sound waves constantly? according to its reproduction? and can from that constant return make your graphical representation? Example 1: Videowiththedesiredo...
asked on 11.02.2017 / 16:40
1
answer

Geolocation with Mobile Data

Well, I'm trying to make a project to be used in SmartPhones, specifically in Android, but not developed in Android! I'm just using HTML5 and CSS, all responsive, and I want a functionality that just worked in Angular (I think) What I...
asked on 08.02.2017 / 10:56
2
answers

How to convert to base64 in C #?

I'm using WebForms. It has a certain part of this application where I send, through Ajax, a base64 string, which is the code of an image. I'm used to using PHP and I use the base64_encode and base64_decode functions to do the ba...
asked on 02.03.2018 / 17:32
1
answer

What is an embedded database?

What is a built-in database, and what do we call "non-embedded"? For example: I'm trying to create a database by H2 Database Engine, and have two H2: Embedded or Server database options. Could you please explain these two types to me, and...
asked on 21.01.2018 / 22:32