desempenho

I'm trying problems for listing and searching data in table with more than 200 thousand records. I read in searches, that fo ... JOINS to display the results on the screens. Now I need to think of a way to replace the JOINS and display the same results.

In PHP, I realize that it is possible to do some things in countless ways. One of them that has come to my attention are the ... calling a constructor, is there a situation that you will actually need to use type conversion functions, rather than cast?

Guys, I have a question related to the concept of PHP-fpm . From what I understood through the documentation, it is a module ... P that manages the requests to the server to avoid high loads, or am I mistaken? How can it benefit in terms of performance?

A few days ago I was writing some articles about PHP, in which I was asked about a possible performance improvement in large ... a function. Therefore, if you want to pass more than one parameter to echo, the parameters do not need to be in parentheses.

Bit brushing question, but I was reading an article on javascript where it says division is slower than doing multiplications ... e article I mentioned in Section Math : http://jessefreeman.com/game-dev/intro-to-programming-for-games-with-javascript /

I have a program that reads the memory of a computer process continuously (with the while (true)), but this ends up requiring ... eep(3000, 200); one = !one; } } Summary: mem.Read reads the memory of a process. DrawGlow() write in memory.

I have a table X that has my user's data, and I need to return to the client the data related to that user in the table Y and ... g JOIN or: SELECT attr1, attr2 FROM Y WHERE X_id = id SELECT attr1, attr2 FROM Z WHERE X_id = id Which is more efficient?

In Python, I know there is the difference between a Tuple and a List. Tuple is immutable, and List is changeable. Even you a ... than the other. The Tuple, because it is immutable, can generate more performance/performance than if it were to use a List?

I've been doing a data import for a project in ASP.NET MVC 5 with EF 6.1 and SQL Server 2008 where the import data source w ... d; } else { profissao_id = profissaoTemp.Id; } } return profissao_id; }

Everyone says they don't need to use inline in functions since the compiler knows what to do better than the programmer. But if you have it in the language, it should be good for something. Is it useful in any case? When to use then?

I own an application, where I have a file called "layout" which is responsible for displaying all HTML (head, footer, body ju ... ese pages and leaving only in the default CSS file. Can this duplicate CSS result in some performance issue or other issue ?

It can be observed in some cases that the separation of tasks in multiple threads gives no gain and even makes an applicatio ... ation when there is only a processor (or core) on the machine? You can parallelize any task and get gain from performance?

It is common to add indexes to improve query performance. But usually it is not recommended to leave by adding indexes in eve ... at is column, only where the need is identified. Why this recommendation? What kind of unnecessary index problems can cause?

Is there any recommendation on which of the two is preferable, in terms of performance? SELECT funcionarios.nome FROM funcio ... rios WHERE empresa_id = ( SELECT id FROM empresas WHERE nome = 'Nome da Empresa' )

It is normal to see minified JavaScript files for performance gain. Today we see some sites that minify everything, includin ... st? If the site is not available, the minification I mean, is to simply remove the spaces, and not "transform" the code.

The contents of the page can be requested by entering a full URL, relative or relative to the root of the location where our ... g any of the three options we have at our disposal? clear that we have a reduction in the amount of code, but beyond that...

While developing, I saw that in a large part of my classes contained a certain amount of using that were not being used and I ... ing unused affect application performance in any way? Do you always have to remove unused ones or will it make no difference?

On the site codility there is an initial challenge for you to refactor this Code: var yourself = { fibonacci : functio ... rect value, but the execution takes too long. Improve it!). The question is, what are the other ways to do this calculation?

After the latest SDK update in Eclipse, when you create a new project, you also create a fragment next to activity_main. I wo ... ated, since before it opened directly to activity_main. Is there any difference in the performance of the project? Thank you

I'm integrating a system with a bank file, and I'm having a problem in the process. I receive from the credit card operator a ... Inc(TotalRegistrosCV); end; end; So, any idea how to streamline this process? Or a better way to carry out this process?