大约有 23,000 项符合查询结果(耗时:0.0346秒) [XML]
jQuery how to find an element based on a data-attribute value?
I've got the following scenario:
9 Answers
9
...
How to sort a list of objects based on an attribute of the objects?
I've got a list of Python objects that I'd like to sort by an attribute of the objects themselves. The list looks like:
8 ...
Get all table names of a particular database by SQL query?
I am working on application which can deal with multiple database servers like "MySQL" and "MS SQL Server".
19 Answers
...
Does Python have an ordered set?
...
There is also "orderedset" package which is based on the same recipe but implemented in Cython -- pypi.python.org/pypi/orderedset .
– mbdevpl
Aug 31 '16 at 11:17
...
Can C++ code be valid in both C++03 and C++11 but do different things?
....
size_t s = list.size(); // Might be an O(n) operation in C++03
std::ios_base::failure does not derive directly from std::exception anymore
While the direct base-class is new, std::runtime_error is not. Thus:
try {
std::cin >> variable; // exceptions enabled, and error here
} catch(std::...
Should I use SVN or Git? [closed]
...gs to an external server.
SVN is designed to be more central where Git is based on each user having their own Git repo and those repos push changes back up into a central one. For that reason, Git gives individuals better local version control.
Meanwhile you have the choice between TortoiseGit, G...
Locking a file in Python
...olutions online, but most fail for my purposes as they are often only Unix based or Windows based.
13 Answers
...
UIImagePickerController breaks status bar appearance
In my .plist file, I have " View controller-based status bar appearance " set to NO . But after UIImagePickerController , my app behaves as if the option is set to YES .
...
Determine what attributes were changed in Rails after_save callback?
... 5.1+
Use saved_change_to_published?:
class SomeModel < ActiveRecord::Base
after_update :send_notification_after_change
def send_notification_after_change
Notification.send(…) if (saved_change_to_published? && self.published == true)
end
end
Or if you prefer, saved_chang...
Sharing Test code in Maven
...
Thanks for the base module suggestion. However, I'd rather not create a new module for just this purpose.
Found an acceptable answer in the Surefire Maven documentation and a blog. See also "How to create a jar containing test classes".
...