大约有 9,000 项符合查询结果（耗时：0.0315秒） [XML]
PostgreSQL: Show tables in PostgreSQL
What's the equivalent to show tables (from MySQL) in PostgreSQL?
24 Answers
24
...
In Python, how do I split a string and keep the separators?
Here's the simplest way to explain this. Here's what I'm using:
13 Answers
13
...
What is the JSF resource library for and how should it be used?
The JSF <h:outputStylesheet> , <h:outputScript> and <h:graphicImage> components have a library attribute. What is this and how should this be used? There are a lot of examples on the web which use it as follows with the common content/file type css , js and img (or ima...
What is “stdafx.h” used for in Visual Studio?
A file named stdafx.h is automatically generated when I start a project in Visual Studio 2010. I need to make a cross-platform C++ library, so I don't/can't use this header file.
...
Appending the same string to a list of strings in Python
...am trying to take one string, and append it to every string contained in a list, and then have a new list with the completed strings. Example:
...
What is the syntax rule for having trailing commas in tuple definitions?
In the case of a single element tuple, the trailing comma is required.
10 Answers
10
...
getting date format m-d-Y H:i:s.u from milliseconds
I am trying to get a formatted date, including the microseconds from milliseconds.
15 Answers
...
What is a typedef enum in Objective-C?
I don't think I fundamentally understand what an enum is, and when to use it.
13 Answers
...
What are the most-used vim commands/keypresses?
... programming trying to switch from Textmate to MacVim, and I'm having trouble wading through the gargantuan lists of things you can do in VIM and all of the keypresses for them. I'm tired of hearing "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' for append...
What's “P=NP?”, and why is it such a famous question? [closed]
The question of whether P=NP is perhaps the most famous in all of Computer Science. What does it mean? And why is it so interesting?
...