大约有 18,616 项符合查询结果（耗时：0.0350秒） [XML]
django admin - add custom form fields that are not part of the model
I have a model registered in the admin site. One of its fields is a long string expression. I'd like to add custom form fields to the add/update page of this model in the admin that based on these fields values I will build the long string expression and save it in the relevant model field.
...
Targeting position:sticky elements that are currently in a 'stuck' state
...
Active
Oldest
Votes
...
C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...自Answers.com的定义：
A segmentation fault (often shortened to segfault) is a particular error condition that can occur during the operation of computer software. In short, a segmentation fault occurs when a program attempts to access a memory location that it is not allowed to acce...
RSS Feeds in ASP.NET MVC
How would you reccommend handling RSS Feeds in ASP.NET MVC? Using a third party library? Using the RSS stuff in the BCL? Just making an RSS view that renders the XML? Or something completely different?
...
How to set the environmental variable LD_LIBRARY_PATH in linux
I have first executed the command: export LD_LIBRARY_PATH=/usr/local/lib
10 Answers
1...
Compare if two variables reference the same object in python
...
Active
Oldest
Votes
...
How to pass arguments and redirect stdin from a file to program run in gdb?
...
Active
Oldest
Votes
...
Rails update_attributes without save?
Is there an alternative to update_attributes that does not save the record?
4 Answers
...
Converting an array of objects to ActiveRecord::Relation
I have an array of objects, let's call it an Indicator . I want to run Indicator class methods (those of the def self.subjects variety, scopes, etc) on this array. The only way I know to run class methods on a group of objects is to have them be an ActiveRecord::Relation. So I end up resorting to...
Eclipse copy/paste entire line keyboard shortcut
Anyone know the keyboard shortcut to copy/paste a line into a new line in Eclipse , without having to highlight the entire line?
...