大约有 13,066 项符合查询结果(耗时:0.0245秒) [XML]
How to update attributes without validation
I've got a model with its validations, and I found out that I can't update an attribute without validating the object before.
...
Test if a variable is set in bash when using “set -o nounset”
The following code exits with a unbound variable error. How to fix this, while still using the set -o nounset option?
6 A...
Real life example, when to use OUTER / CROSS APPLY in SQL
I have been looking at CROSS / OUTER APPLY with a colleague and we're struggling to find real life examples of where to use them.
...
Run all SQL files in a directory
I have a number of .sql files which I have to run in order to apply changes made by other developers on an SQL Server 2005 database.
The files are named according to the following pattern:
...
Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
I have read the documentation of each function on jQuery official website , but there is no such comparison listings between below functions:
...
How do I check if a string is unicode or ascii?
What do I have to do in Python to figure out which encoding a string has?
11 Answers
1...
Nested classes' scope?
I'm trying to understand scope in nested classes in Python. Here is my example code:
6 Answers
...
Is Meyers' implementation of the Singleton pattern thread safe?
Is the following implementation, using lazy initialization, of Singleton (Meyers' Singleton) thread safe?
6 Answers
...
ImportError: No module named six
I'm trying to build OpenERP project, done with dependencies. It's giving this error now
7 Answers
...
git + LaTeX workflow
I'm writing a very long document in LaTeX. I have my work computer and my laptop, and I work on them both. I need to keep all the files synchronized between the two computers, and also would like to keep a revision history. I chose git as my DVCS, and I'm hosting my repository on my server. I'm also...
