大约有 4,768 项符合查询结果（耗时：0.0257秒） [XML]
When to use nested classes and classes nested in modules?
I'm pretty familiar with when to use subclasses and modules, but more recently I've been seeing nested classes like this:
5...
Detecting syllables in a word
I need to find a fairly efficient way to detect syllables in a word. E.g.,
15 Answers
...
Stop and Start a service via batch or cmd file?
How can I script a bat or cmd to stop and start a service reliably with error checking (or let me know that it wasn't successful for whatever reason)?
...
Why are empty strings returned in split() results?
... complements str.join, so
"/".join(['', 'segment', 'segment', ''])
gets you back the original string.
If the empty strings were not there, the first and last '/' would be missing after the join()
share
|
...
Nullable Foreign Key bad practice?
Let's say you have a table Orders with a foreign key to a Customer Id. Now, suppose you want to add an Order without a Customer Id, (whether that should be possible is another question) you would have to make the foreign key NULL... Is that bad practice or would you rather work with a link table bet...
C# Linq Group By on multiple columns [duplicate]
...s above, I would like to use LINQ to create a List from the List, grouped by the School, Friend and FavoriteColor properties. Is this possible with LINQ?
...
Pythonic way to check if a list is sorted or not
Is there a pythonic way to check if a list is already sorted in ASC or DESC
23 Answers
...
Install MySQL on Ubuntu without a password prompt
How do I write a script to install MySQL server on Ubuntu?
4 Answers
4
...
What is the difference between persist() and merge() in JPA and Hibernate?
...
JPA specification contains a very precise description of semantics of these operations, better than in javadoc:
The semantics of the persist
operation, applied to an entity X are
as follows:
If X is a new entity, it
becomes managed. The e...
Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
How are threads organized to be executed by a GPU?
2 Answers
2
...