All Questions

1
answer

div that does not exceed certain limits

Well, in this link :: link there is a menu that when loading the page is not fixed at the top of the screen, however When you scroll down the page a little, this menu appears and is fixed at the top. How do you do that?     
asked on 05.09.2014 / 03:36
2
answers

Project C in Visual Studio 2013

I'm learning C in college and I'll have to program in C. In Visual Studio 2013 I can create projects in C ++, but I did not find anything like a "Visual C". Is there any way or extension that allows the creation of pure C projects?     
asked on 29.09.2014 / 02:07
2
answers

Displaying massive amount of data

From the moment we work with a very large amount of data (eg more than 3 million records), and we need to display this data on the screen while the user is using the page, always having the best performance possible. / p> Is partitioning thi...
asked on 26.09.2014 / 15:06
1
answer

R does not create chart correctly

I'm using R to generate charts of a table, with two fields (company name and sales quantity), when using barplot, it is not putting the right values in the fields. For example, if sales were 500,000 it will make the chart the highest value 50...
asked on 06.10.2015 / 22:25
1
answer

How to use TFDJSONDataSets in Delphi XE4?

Explanation Today I was seeing an example called FireDACJSONReflect in the Samples folder of Delphi XE6 and I saw that it was very interesting how the server communicated with the client and I would like to use this medium in my applic...
asked on 19.09.2014 / 16:03
1
answer

How to replace characters in a String?

I have a small problem. My application receives a numeric String from the server representing a value. But the server sends, for example "100.00" and I need to put a comma in place of that point. 100.00 = > 100,00...
asked on 27.09.2014 / 22:13
1
answer

Read Ini from a site

I want to read the ini file of a website, but I can not. I tried this way: inicheck := 'http://pokestage.ddns.net/patch/CHECK.INI'; conf2 := TIniFile.Create(IdHTTP3.Get(inicheck)); version2 := conf2.ReadString('CONFIG', 'TVERSION', ''); But...
asked on 17.10.2014 / 14:50
1
answer

How to use escape characters in a C # string?

I am not able to scan a file containing the EICAR (Standard File for Anti-Virus Scanning) characters, because it contains escape characters such as "\", "()", "[]". I need help identifying these characters in my program as being normal inside a...
asked on 17.10.2014 / 02:49
1
answer

In which part of the application is it most appropriate to reorder an array (database, server application, client code)?

Let's suppose that in a MYSQL database query, I need to pick up the last 1000 data that was posted, but within those results, the order must be growing (not descending, as would happen in ORDER BY ID DESC Limit 1000 ). The response of...
asked on 16.10.2014 / 13:41
2
answers

How to insert Entities, related to others already existing, in the EntityFramework?

In case supposing an "EntityA" entity that references an entity "EntityB", I want to save it, but referencing an existing entity B ex: EntidadeA a = new EntidadeA(); EntidadeB b = new EntidadeB(); b.Id = 5;// id de entidade existente no banco...
asked on 08.12.2014 / 18:48