All Questions

4
answers

What is the modern alternative to framesets?

I know that the frame that used to load a few pages into one is no longer used, on the internet there is a lot of content saying that this is obsolete. But what would be the ideal alternative for this purpose? Load a page in a given size and...
asked on 08.05.2014 / 06:46
7
answers

What are the implications of not declaring variables in PHP?

In php I can do this without declaring / setting variables: echo($foo); //resolve: vazio, sem nada $foo++; echo($foo); // resolve: 1 Using var_dump() it gives, respectively NULL and 1 . If I use settype($foo, "int...
asked on 22.12.2013 / 14:44
7
answers

What is a legacy code?

I've heard that term from some people's mouths, but I'm not usually good with these technical terms. What would a legacy code be? Is it related to outdated code?     
asked on 11.01.2016 / 16:02
6
answers

How to do a search by ignoring accent in JavaScript?

Suppose I have a list of words in JavaScript (if necessary, already sorted by collation rules ): var palavras = [ "acentuacao", "divagacão", "programaçao", "taxação" ]; Notice that I have not used cedilla ( ç ) nor...
asked on 04.02.2014 / 01:48
7
answers

Agile methodologies - a single programmer

I've heard a lot about agile methodologies and I really liked the idea. Of course from what I have seen, the client needs to cooperate, but it seems to me that for my own projects (that is, whose idea is mine and not a client) these methodologie...
asked on 29.04.2014 / 13:40
3
answers

What does the code below (written by a cracker) do?

Today one of the company sites where I work was hacked, as well as several others that are archaic development methods and full of security holes ... The person who invaded left a modified index in the following code in another file and I was...
asked on 10.03.2014 / 13:52
6
answers

What does NULL actually mean?

Many people talk about what is NULL, but after all, what is its true meaning?     
asked on 02.10.2015 / 18:46
1
answer

Difference between ICollection, IList and List?

What is the difference between ICollection , IList and List ? When should I use each one specifically?     
asked on 23.07.2015 / 17:48
3
answers

Not IN or Not EXISTS to use?

I have seen some answers here with Not In and some using Not Exists to answer the same question. I do not know the difference between both and would like to know about: Which of the two is best when considering performance?...
asked on 08.05.2015 / 16:08
4
answers

How do I return 2 or more values at a time in a method?

It is common to see examples of methods returning one value at a time. I've seen cases where you need to create a class just to package the data and to return more values.    Using generic classes would be the best way to return 2 or more  ...
asked on 06.04.2017 / 13:40