大约有 43,000 项符合查询结果（耗时：0.0548秒） [XML]
What is Normalisation (or Normalization)?
...Normalization is basically to design a database schema such that duplicate and redundant data is avoided. If some piece of data is duplicated several places in the database, there is the risk that it is updated in one place but not the other, leading to data corruption.
There is a number of normal...
Proper use of the IDisposable interface
...never be cleaned up. The garbage collector doesn't know how to call DeleteHandle() on a variable of type IntPtr, it doesn't know whether or not it needs to call DeleteHandle().
Note: What is an unmanaged resource? If you found it in the Microsoft .NET Framework: it's managed. If you went poking ...
Best Practices for Laravel 4 Helpers and Basic Functions?
I'm trying to understand the best place to put a global function in Laravel 4. For example, date formatting. I don't think making a facade is worth it as facades are too modular. I've read articles about creating a library folder and storing classes there but that also seems like a lot for a simple ...
Difference between Visual Basic 6.0 and VBA
...
For nearly all programming purposes, VBA and VB 6.0 are the same thing.
VBA cannot compile your program into an executable binary. You'll always need the host (a Word file and MS Word, for example) to contain and execute your project. You'll also not be able to cre...
Why have header files and .cpp files? [closed]
Why does C++ have header files and .cpp files?
9 Answers
9
...
How to create a self-signed certificate for a domain name for development?
...tificate feature, you cannot set the common name (CN) for the certificate, and therefore cannot create a certificate bound to your choice of subdomain.
One way around the problem is to use makecert.exe, which is bundled with the .Net 2.0 SDK. On my server it's at:
C:\Program Files\Microsoft.Net\SD...
Image width/height as an attribute or in CSS? [duplicate]
What's the "correct" semantic way to specify image height and width? In CSS...
12 Answers
...
Which HTML5 reset CSS do you use and why? [closed]
Which HTML5 reset CSS do you use and why? Is there one that you've found to cover more cases?
8 Answers
...
Sass or Compass without ruby?
...int, you can use the Sass engine in Ruby, Node.js, Python, PHP, Java, .NET and others. For more information, visit libSass. Also, your IDE might have a plugin which would support Sass, without the need of ruby by using the libSass.
The original answer below may or may not apply to your situation (d...
Should I use 'border: none' or 'border: 0'?
Which of the two methods conforms to W3C standards? Do they both behave as expected across browsers?
13 Answers
...