大约有 45,000 项符合查询结果(耗时:0.0472秒) [XML]
What is the exact problem with multiple inheritance?
...int field
at offset 4 ... "xyz" ... 8 byte double field
at offset 12 ... "speak" ... 4 byte function pointer
class B:
at offset 0 ... "foo" ... 2 byte short field
at offset 2 ... 2 bytes of alignment padding
at offset 4 ... "bar" ... 4 byte array pointer
at offset 8 ... "baz...
How can i get the session object if i have the entity-manager
...otally exhaustive, things are different if you're using a JPA 1.0 or a JPA 2.0 implementation.
JPA 1.0
With JPA 1.0, you'd have to use EntityManager#getDelegate(). But keep in mind that the result of this method is implementation specific i.e. non portable from application server using Hibernate ...
Getting a list of values from a list of dicts
...
Ismail BadawiIsmail Badawi
29.6k66 gold badges7373 silver badges9090 bronze badges
...
ab load testing
...
327
The apache benchmark tool is very basic, and while it will give you a solid idea of some perfor...
Difference between single and double quotes in Bash
...o '$(echo "upg")'
$(echo "upg")
The Bash manual has this to say:
3.1.2.2 Single Quotes
Enclosing characters in single quotes (') preserves the literal value of each character within the quotes. A single quote may not occur between single quotes, even when preceded by a backslash.
3....
How to convert ‘false’ to 0 and ‘true’ to 1 in Python
...
Martijn Pieters♦Martijn Pieters
839k212212 gold badges32203220 silver badges28102810 bronze badges
...
Python: How would you save a simple settings/config file?
...elling reasons to use a different format.
Write a file like so:
# python 2.x
# from ConfigParser import SafeConfigParser
# config = SafeConfigParser()
# python 3.x
from configparser import ConfigParser
config = ConfigParser()
config.read('config.ini')
config.add_section('main')
config.set('main'...
Is it possible to decompile a compiled .pyc file into a .py file?
...
Uncompyle6 works for Python 3.x and 2.7 - recommended option as it's most recent tool, aiming to unify earlier forks and focusing on automated unit testing. The GitHub page has more details.
if you use Python 3.7+, you could also try decompile3, a fork of Unc...