大约有 40,000 项符合查询结果（耗时：0.0542秒） [XML]
Python decorators in classes
...
Would something like this do what you need?
class Test(object):
def _decorator(foo):
def magic( self ) :
print "start magic"
foo( self )
print "end magic"
return magic
@_decorator
def bar( self ) :
print "normal call"
test ...
Turn off Visual Studio Attach security warning when debugging IIS
...p regedit, save this gist as a *.reg file and run it (imports the keys for all VS versions lower than VS2017).
Visual Studio 2017
The configuration is saved in a private registry location, see this answer: https://stackoverflow.com/a/41122603/67910
For VS 2017, save this gist as a *.ps1 file an...
Performance of Arrays vs. Lists
...
Very easy to measure...
In a small number of tight-loop processing code where I know the length is fixed I use arrays for that extra tiny bit of micro-optimisation; arrays can be marginally faster if you use the indexer / for form - but IIRC believe it dep...
Python - Count elements in list [duplicate]
...
len(myList) should do it.
len works with all the collections, and strings too.
share
|
improve this answer
|
follow
|
...
WARN Could not determine content-length of response body. Set content-length of the response or set
I just upgraded to rails 3.2.2, and now on rails s, page load, I get all these errors in the log:
3 Answers
...
require file as string
...ondering how I can import any file as a string. Lets say I have a txt file all I want is to load it into a variable as such.
...
How to check if a python module exists without importing it
...ING
When trying to find a submodule, it will import the parent module (for all of the above methods)!
food/
|- __init__.py
|- eggs.py
## __init__.py
print("module food loaded")
## eggs.py
print("module eggs")
were you then to run
>>> import importlib
>>> spam_spec = importli...
Compiling problems: cannot find crt1.o
... that's 64bit. You need the 32bit support files. For that, you need to install them
sudo apt install gcc-multilib
share
|
improve this answer
|
follow
|
...
When to use dynamic vs. static libraries
...update is considered binary compatible with the original version.
Additionally dynamic libraries aren't necessarily loaded -- they're usually loaded when first called -- and can be shared among components that use the same library (multiple data loads, one code load).
Dynamic libraries were consid...
EF Migrations: Rollback last applied migration?
This looks like a really common task, but I can't find an easy way to do it.
14 Answers
...