Questions tagged as 'desempenho'

Tagged questions
2
answers

What is the performance difference between BIGINT and INT in MySQL?

Is there a negative impact on the performance of MySQL, where the Primary Key is of type BIGINT(20) , instead of INT(11) ?     
asked by 10.07.2015 / 00:51
3
answers

Does jQuery influence the performance of the application?

I personally love and use the jQuery library. Does this library influence the performance of the application?     
asked by 11.03.2015 / 22:44
4
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PHP's unset () function can improve performance?

I think the answer to my question would be "yes.", why I end up doing it in my code (when I remember), but I just stopped to think about it now and somehow I'm worried if someone I would not know how to answer the "why" of it satisfactorily....
asked by 30.07.2016 / 21:36
2
answers

How to shorten the build time?

I have a solution with 20 projects, and most have a dependency relationship with each other. Compilation time takes a long time (6-8 minutes - may seem minor, but it hurts a lot when testing), even with changes to only one of the projects. The...
asked by 25.12.2016 / 14:07
3
answers

What is the difference between parseInt and + operator before a string?

I've seen a colleague converting a string to integer using the var a = +"10" f syntax but I've always used parseInt() and the line is usually var a = parseInt("10") . Why putting the + operator before a string happens,...
asked by 01.10.2018 / 14:41
2
answers

When to use "inline"?

Everyone says that you do not have to use inline in the functions since the compiler knows what to do better than the programmer. But if it has in the language it should serve something. Is it useful in any case? When to use it then?...
asked by 14.02.2017 / 13:47
1
answer

Paging with large amount of data

Thinking about performance, what is the best way to page a large amount of data? I'm currently using a List<Produtos> , saving around 500 products in it, and using subList(min,max) , returns what I need. However, I think t...
asked by 27.04.2016 / 16:28
2
answers

Readability of javascript codes

When writing a code you should do it so that the time required for your understanding is minimal. This is the most important metric for having readable code and is the foundation of the fundamental readability theorem. The longer you spend, t...
asked by 19.06.2017 / 12:42
2
answers

What happens when we run PHP scripts with long tasks?

I am running a PHP script that is responsible for downloading 55'000 images on one server and downloading these files into a folder on another server. It should take according to statistics per minute around 1h40 to complete the task....
asked by 04.11.2014 / 15:13
2
answers

In SQL queries should I follow the index order?

If in my table X is created an index with fields A, B and C (in this order), in SQL queries should I follow exactly that order? Example following the order of the index: SELECT * FROM X WHERE X.A = VALOR_A AND X.B = VALOR_B AND X.C =...
asked by 04.07.2018 / 19:40