大约有 41,727 项符合查询结果（耗时：0.0467秒） [XML]
Relational Database Design Patterns? [closed]
Design patterns are usually related to object oriented design.
Are there design patterns for creating and programming relational databases?
Many problems surely must have reusable solutions.
...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
Here is a function I was working on to programmatically lighten or darken a hex color by a specific amount. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
...
How do you make a web application in Clojure? [closed]
I suppose this is a strange question to the huge majority of programmers that work daily with Java. I don't. I know Java-the-language, because I worked on Java projects, but not Java-the-world. I never made a web app from scratch in Java. If I have to do it with Python, Ruby, I know where to go (Dja...
Why is sizeof considered an operator?
Why is sizeof considered an operator and not a function?
10 Answers
10
...
Last non-empty cell in a column
Does anyone know the formula to find the value of the last non-empty cell in a column, in Microsoft Excel?
23 Answers
...
Is there a use-case for singletons with database access in PHP?
I access my MySQL database via PDO. I'm setting up access to the database, and my first attempt was to use the following:
1...
Why Doesn't C# Allow Static Methods to Implement an Interface?
Why was C# designed this way?
25 Answers
25
...
what is the difference between a portlet and a servlet?
I am asked to work on portlets and portals.
5 Answers
5
...
What data type to use for hashed password field and what length?
I'm not sure how password hashing works (will be implementing it later), but need to create database schema now.
10 Answers...
What are the differences between LDAP and Active Directory?
What are the differences between LDAP and Active Directory?
11 Answers
11
...