大约有 43,000 项符合查询结果（耗时：0.0558秒） [XML]
What is the difference between loose coupling and tight coupling in the object oriented paradigm?
Can any one describe the exact difference between loose coupling and tight coupling in Object oriented paradigm?
16 Answers...
What's an appropriate HTTP status code to return by a REST API service for a validation failure?
I'm currently returning 401 Unauthorized whenever I encounter a validation failure in my Django / Piston based REST API application.
Having had a look at the HTTP Status Code Registry
I'm not convinced that this is an appropriate code for a validation failure, what do y'all recommend?
...
Python: how to print range a-z?
1. Print a-n: a b c d e f g h i j k l m n
17 Answers
17
...
Run a PostgreSQL .sql file using command line arguments
I have some .sql files with thousands of INSERT statements in them and need to run these inserts on my PostgreSQL database in order to add them to a table. The files are that large that it is impossible to open them and copy the INSERT statements into an editor window and run them there. I found on ...
Python append() vs. + operator on lists, why do these give different results?
Why do these two operations ( append() resp. + ) give different results?
7 Answers
7...
If list index exists, do X
In my program, user inputs number n , and then inputs n number of strings, which get stored in a list.
12 Answers
...
How can I parse a string with a comma thousand separator to a number?
I have 2,299.00 as a string and I am trying to parse it to a number. I tried using parseFloat , which results in 2. I guess the comma is the problem, but how would I solve this issue the right way? Just remove the comma?
...
Is there a way to simulate the C++ 'friend' concept in Java?
I would like to be able to write a Java class in one package which can access non-public methods of a class in another package without having to make it a subclass of the other class. Is this possible?
...
Build a Basic Python Iterator
How would one create an iterative function (or iterator object) in python?
10 Answers
...
What does {0} mean when initializing an object?
When {0} is used to initialize an object, what does it mean? I can't find any references to {0} anywhere, and because of the curly braces Google searches are not helpful.
...