All Questions

2
answers

What does the "/" in border-radius mean?

In CSS we have the attribute border-radius . Usually use the following forms: border-radius:10px; border-radius:10px 20px 20px 10px; But I came across the following code one of these days and until today I'm not understanding what...
asked on 01.12.2015 / 16:46
2
answers

Semantic Doubt html5

What's right for sidebar? <div> <aside></aside> <aside></aside> </div> <aside> <section></section> <section></section> </aside> <section> <as...
asked on 06.07.2016 / 11:06
2
answers

Have images in the tables where they will be used or table with repository of images?

Is it a good practice to create a table to record all the images in a database, or can I create the columns that save the image information for each specific need? For example, let's suppose I want to create a table for categories of a websit...
asked on 25.10.2015 / 16:04
2
answers

How does the BLOB field work?

Hello, directly asking, how does this type of field work? I know there are three types:    BLOB = 64KB, MEDIUMBLOB = 16MB and LONGBLOB = 4GB Given this example: CREATE TABLE COMPROMISSOS ( ID INTEGER NOT NULL, DESCRICAO...
asked on 27.11.2015 / 22:37
1
answer

What is the difference between "node", "attribute", "element" and "tag" in XML?

I'm confused about some features and terms of the XML markup language that are: node , attribute > element and tag tags , I would like to know what each one is and what are the differences between them? Follow this XML to help exp...
asked on 14.08.2016 / 00:49
2
answers

What is the IL code and where can I find this code?

In my question about static constructors user bigown showed how the code generated from a static constructor is by .NET, this code is called IL Code according to its response . See the IL code of my question: .class private auto ansi '...
asked on 04.07.2016 / 02:09
2
answers

Open, edit and save a binary file in Python3

You can open a binary file and read its bits in Python3, edit and save a new binary. If so, how?     
asked on 03.01.2017 / 16:38
4
answers

Workbench for PostgreSQL

Does anyone know of any Workbench for PostgreSQL? I need it, because I do not want to move postgres through the command line.     
asked on 29.02.2016 / 15:27
1
answer

What is a multi-paradigm language?

The title of the question already summarizes everything I want to know. Visual Basic .NET, C #, Boo, C ++ are multi-paradigm languages. What is a paradigm? And a multi-paradigm language?     
asked on 20.05.2016 / 01:39
1
answer

Sql - Select first and last record

I have the following tables: CREATE TABLE tb_lote ( id_lote integer NOT NULL DEFAULT nextval('tb_lote_seq'::regclass), ds_lote character varying(255), CONSTRAINT pktb_lote PRIMARY KEY (id_lote) ); CREATE TABLE tb_lote_ticket ( id_lote...
asked on 02.10.2015 / 17:09