大约有 44,000 项符合查询结果(耗时:0.0811秒) [XML]
nvarchar(max) vs NText
...
Wanted to add my experience with converting. I had many text fields in ancient Linq2SQL code. This was to allow text columns present in indexes to be rebuilt ONLINE.
First I've known about the benefits for years, but always assumed that converting would mea...
Generate random numbers uniformly over an entire range
I need to generate random numbers within a specified interval, [max;min].
17 Answers
1...
Non-static variable cannot be referenced from a static context
...
You must understand the difference between a class and an instance of that class. If you see a car on the street, you know immediately that it's a car even if you can't see which model or type. This is because you compare what you see with t...
What tools are there for functional programming in C?
...ional programming in C ( not C++). Obviously, C is a procedural language and doesn't really support functional programming natively.
...
C++ Tuple vs Struct
Is there is any difference between using a std::tuple and a data-only struct ?
12 Answers
...
Sanitizing strings to make them URL and filename safe?
... you'll have ugly looking URLs.
So, if I were you, after lowercasing, I'd convert any 'special' characters to their equivalent (e.g. é -> e) and replace non [a-z] characters with '-', limiting to runs of a single '-' as you've done. There's an implementation of converting special characters he...
is vs typeof
...
This should answer that question, and then some.
The second line, if (obj.GetType() == typeof(ClassA)) {}, is faster, for those that don't want to read the article.
(Be aware that they don't do the same thing)
...
ArrayIndexOutOfBoundsException with custom Android Adapter for multiple views in ListView
...t when I try to run the Activity that uses the ListView I receive an error and the app stops. The application is targeted for the Android 1.6 platform.
...
How to implement the Java comparable interface?
...y abstract class. I have the following example code that I am using to try and get my head around it:
10 Answers
...
ActiveRecord OR query
...zation and make your queries DB agnostic. The only overhead is where Rails converts the syntax to SQL query. And it is just a matter of milliseconds. Ofcourse you should write the best performant SQL query and try to convert it to ActiveRecord syntax. If the SQL cannot be represented in ActiveRecord...