大约有 40,000 项符合查询结果(耗时:0.0331秒) [XML]

https://stackoverflow.com/ques... 

How to check size of a file using Bash?

... be an easier way to check for file sizes instead. I.e. file.txt is normally 100k; how to make a script check if it is less than 90k (including 0), and make it do wget a new copy because the file is corrupt in this case. ...
https://stackoverflow.com/ques... 

Select first row in each GROUP BY group?

... On Oracle 9.2+ (not 8i+ as originally stated), SQL Server 2005+, PostgreSQL 8.4+, DB2, Firebird 3.0+, Teradata, Sybase, Vertica: WITH summary AS ( SELECT p.id, p.customer, p.total, ROW_NUMBER() OVER(PARTITION BY p.cus...
https://stackoverflow.com/ques... 

Should I use a class or dictionary?

...ould your __init__ code go? Classes are for bundling related data (and usually code). Dictionaries are for storing key-value relationships, where usually the keys are all of the same type, and all the values are also of one type. Occasionally they can be useful for bundling data when the key/attri...
https://stackoverflow.com/ques... 

How do I edit an existing tag message in git?

...;tag-name> [commit] Whole story: Building on Sungram's answer (originally proposed as an edit): 1. Accepted answer This is an improvement over Andy and Eric Hu's answers. Their answers will create a new tag object that references the old tag object and both are going to have the same name. ...
https://stackoverflow.com/ques... 

Is it possible to have two partial classes in different assemblies represent the same class?

...otion.so/vapolia/Secret-feature-Xamarin-Forms-control-s-auto-registration-1fd6f1b0d98d4aabb2defa0eb14961fa It uses at its core
https://stackoverflow.com/ques... 

What are metaclasses in Python?

...ass is an instance of a metaclass. While in Python you can use arbitrary callables for metaclasses (like Jerub shows), the better approach is to make it an actual class itself. type is the usual metaclass in Python. type is itself a class, and it is its own type. You won't be able to recreate somet...
https://stackoverflow.com/ques... 

Usage of __slots__?

What is the purpose of __slots__ in Python — especially with respect to when I would want to use it, and when not? 11 A...
https://stackoverflow.com/ques... 

Accessing class variables from a list comprehension in the class definition

...ing a newly created local namespace and the original global namespace. (Usually, the suite contains only function definitions.) When the class’s suite finishes execution, its execution frame is discarded but its local namespace is saved. [4] A class object is then created using the inheritance lis...
https://stackoverflow.com/ques... 

Official reasons for “Software caused connection abort: socket write error”

... @rustyx All three sources cited here state that it is produced by ACK failures. If you have a source for your own claim please cite it. – Marquis of Lorne May 27 '15 at 5:52 ...
https://stackoverflow.com/ques... 

Undo git reset --hard with uncommitted files in the staging area

...e of problems - --cached should be --cache, and I found that it didn't actually create the .git/lost-found directory. However, the following steps worked for me: git fsck --cache --unreachable $(git for-each-ref --format="%(objectname)") That should output all objects in the object database that...