All Questions

2
answers

How to auto-scroll to the top when viewing the page footer?

I'm making a website, which has some animations, and when I get to the bottom of the site for the first time, should trigger an event where the page returns to the top, but in the following times (without reloading) the event will not happen aga...
asked on 27.08.2014 / 20:03
3
answers

Entity FrameWork relationship many x many extra field

Good morning, I am studying the FrameWork Entity Code First and am wondering how I should create a NxN template with extra information in the relationship table. For example: Let's assume the following relationship (image taken from the MS...
asked on 10.09.2014 / 15:48
1
answer

How to display Facebook Fan Page posts on a Site

I'd like to know what Api or Plugin should I use to make the latest posts from my FanPage on my site Actually I'm still researching to see if what I want to do is possible. What I intend to do is in an ordinary website, t...
asked on 26.06.2014 / 22:04
1
answer

SQL Server Data Dictionary

Hello, I come from the Oracle culture and I want to learn a little bit of SQL Server, I'm having trouble finding the SQL Server data dictionary, I've already looked at other forums and found nothing. In Oracle we have a data dictionary that s...
asked on 20.05.2018 / 01:58
1
answer

Problem reading a very large .xlsx file in Java

I'm working on a web application using Java, where I have a method that should read a .xlsx file using apache-poi : public static void xlsx(String arquivo) throws IOException{ try { FileInputStream file = new FileInputStream(n...
asked on 31.07.2014 / 16:56
2
answers

What is React Hooks

I would like to understand the concept and if possible with examples of this new React feature. What will change in the way you create Reacts projects?    The community seems to have liked, what are the reasons?     
asked on 29.10.2018 / 15:24
1
answer

Why can not I see the icon code (❌) in developer mode?

Example of this icon: ❌ In developer mode (F12, Google Chorme), I can not see which code for this icon, only image appears. Why does it happen ? Do you have any secrets? See the image below: Insteadofdisplayingimage(❌),shouldnotshowthe...
asked on 14.06.2018 / 01:41
1
answer

How to specify a time in the color change with: hover?

<a href="#">link</a> a:hover{ color:blue; } With this script I can change the color of the text "link" when the mouse passes over, but the color changes instantly. I wanted the color change to be smooth, a little slow. How do I d...
asked on 31.08.2018 / 23:57
1
answer

Why do these two ways of initializing the same list in Python generate structures of different sizes?

It is common to need to initialize a list in Python with a defined amount of elements and we can do this in two ways: 1) multiplying the list with one element by the desired quantity; or 2) use the list comprehensions technique.    Note:...
asked on 01.08.2018 / 02:50
1
answer

LINQ Lambda | Query Syntax VS Method Syntax Performance [duplicate]

Doubt regarding construction and performance of querys using Query Syntax and Method Syntax / LINQ Query Syntax: var VendorQuery = from v in vendors where v.CompanyName.Contains("Toy")...
asked on 27.12.2018 / 10:58