大约有 47,000 项符合查询结果（耗时：0.0462秒） [XML]
Difference between a class and a module
I came from Java, and now I am working more with Ruby.
9 Answers
9
...
How to write to file in Ruby?
I need to read the data out of database and then save it in a text file.
7 Answers
7
...
.append(), prepend(), .after() and .before()
I am pretty proficient with coding, but now and then I come across code that seems to do basically the same thing. My main question here is, why would you use .append() rather then .after() or vice verses?
...
Why does the use of 'new' cause memory leaks?
I learned C# first, and now I'm starting with C++. As I understand, operator new in C++ is not similar to the one in C#.
...
Why is the asterisk before the variable name, rather than after the type?
...
perhaps but I wouldn't mix and match types in one declaration.
– BobbyShaftoe
Dec 30 '08 at 3:13
17
...
How to close TCP and UDP ports via windows command line
...s how to close a TCP or UDP socket for a single connection via windows command line?
17 Answers
...
What does `m_` variable prefix mean?
...fix used for variables ( m_World , m_Sprites ,...) in tutorials, examples and other code mainly related to game development.
...
Fluent and Query Expression — Is there any benefit(s) of one over other?
LINQ is one of the greatest improvements to .NET since generics and it saves me tons of time, and lines of code. However, the fluent syntax seems to come much more natural to me than the query expression syntax.
...
What is an ORM, how does it work, and how should I use one? [closed]
...uction
Object-Relational Mapping (ORM) is a technique that lets you query and manipulate data from a database using an object-oriented paradigm. When talking about ORM, most people are referring to a library that implements the Object-Relational Mapping technique, hence the phrase "an ORM".
An ORM...
Rails: How does the respond_to block work?
I'm going through the Getting Started with Rails guide and got confused with section 6.7. After generating a scaffold I find the following auto-generated block in my controller:
...