大约有 45,000 项符合查询结果（耗时：0.0564秒） [XML]
How do I check if a string is unicode or ascii?
...
I am not quite sure of the use case for that bit of code, unless there is a logic error. I think there should be a "not" in the python 2 code. Otherwise you are converting everything to unicode strings for Python 3 and the opposite for Python 2!
– ...
$(document).ready equivalent without jQuery
...swer, ask yourself why you want to drop jQuery in the first place. It's a bit pointless if you're just going to extract the exact same functionality with all that browser fallback bloat back in to your bundle. Isn't that the whole point of avoiding jQuery in the first place?
–...
What is the difference between “Include Directories” and “Additional Include Directories”
...ptions are saved under this - but this is the property sheet Microsoft.Cpp.Win32.user and only this. If you edit the "VC++ Directories" entry when having the project active or another property sheet, then the change will be persisted in the .vcxprojfile or in the respective .props file and will not ...
Embed SVG in SVG?
...our SVG file. For fun, save the following as recursion.svg:
<svg width="100%" height="100%" viewBox="-100 -100 200 200" version="1.1"
xmlns="http://www.w3.org/2000/svg">
<circle cx="-50" cy="-50" r="30" style="fill:red" />
<image x="10" y="20" width="80" height="80" href="rec...
Close iOS Keyboard by touching anywhere using Swift
...e seen so far. Small note: in newer Swift the override signature changed a bit. You need to add _ before touches: override func touchesBegan(_ touches: Set<UITouch>, withEvent event: UIEvent?)
– Regis St-Gelais
Dec 12 '18 at 19:57
...
Different bash prompt for different vi editing mode?
...ser-settable mode strings.
You can try the beta versions, but they seem a bit buggy at the moment. They also don't yet support specifying where in the prompt you want the mode indicator to occur (which I think is the killer feature).
If you don't want to wait, and aren't afraid of a little compila...
Difference between std::result_of and decltype
...that INVOKE. Using declval/decltype directly, in addition to being quite a bit longer to type, is only valid if F is directly callable (a function object type or a function or a function pointer). result_of additionally supports pointers to members functions and pointers to member data.
Initially,...
Why is iterating through a large Django QuerySet consuming massive amounts of memory?
...ry all at once. You need to chunk up your queryset into smaller digestible bits. The pattern to do this is called spoonfeeding. Here's a brief implementation.
def spoonfeed(qs, func, chunk=1000, start=0):
''' Chunk up a large queryset and run func on each item.
Works with automatic primary...
Spring Cache @Cacheable - not working while calling from another method of the same bean
...thin the same bean, it is similar to @mario-eis' solution, but I find it a bit more readable (maybe it's not:-). Anyway, I like to keep the @Cacheable annotations at the service level:
@Service
@Transactional(readOnly=true)
public class SettingServiceImpl implements SettingService {
@Inject
privat...
Finding the index of elements based on a condition using python list comprehension
...ist = MyList([1,0,3,5,1])
my_list.indices(lambda x: x==1)
I elaborated a bit more on that topic here:
http://tinyurl.com/jajrr87
share
|
improve this answer
|
follow
...