大约有 14,000 项符合查询结果（耗时：0.0338秒） [XML]
How do I validate a date string format in python?
...nse of datetime objects, as opposed to unix timestamp floats), it's a good idea to look into the pytz module, and for storage/db, store everything in UTC.
share
|
improve this answer
|
...
How to move files from one git repo to another (not a clone), preserving history
...rge commit. However, if I do blame, or gitk, I see the commit history. Any idea why?
– Newtang
Jun 30 '15 at 20:08
1
...
Why should the Gradle Wrapper be committed to VCS?
...
why would you need wrapper then? The whole idea of wrapper is that you can build project without having gradle on your system.
– edio
Nov 21 '17 at 21:06
...
How to perform Callbacks in Objective-C
...ass retained its delegate, then there would be a retain cycle. It's a good idea in the dealloc method of a class that that has a MyClass instance and is its delegate to clear that delegate reference since it's a weak back pointer. Otherwise if something is keeping the MyClass instance alive, you'll ...
PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...bit systems. Using DATETIME is not an adequate solution because we have no idea about time zone. This was reported way back in 2005, but still no fix is available.
– Mike
Jan 7 '17 at 4:21
...
What is the usefulness of `enable_shared_from_this`?
...
In other words the whole idea of enable_shared_from_thisis brittle to begin with since the point is to be able to get a shared_ptr<T> from a T*, but in reality when you get a pointer T* t it is generally not safe to assume anything about it alr...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...just sends a SIGINT signal to the code that you're currently running (this idea is supported by Fernando's comment here), which is the same thing that hitting CTRL+C would do. Some processes within python handle SIGINTs more abruptly than others.
If you desperately need to stop something that is r...
Why is there “data” and “newtype” in Haskell? [duplicate]
... a much better understanding of lazy evaluation than I do. I stick to the idea in the Report, namely that newtype is there for you to rename an existing type, like having several different incompatible kinds of measurements:
newtype Feet = Feet Double
newtype Cm = Cm Double
both behave exact...
How to save traceback / sys.exc_info() values in a variable?
...nder how can I extract value from trace-back object sys.exc_info()[2]. Any idea?
– codersofthedark
Nov 23 '11 at 8:40
1
...
Benefits of EBS vs. instance-store (and vice-versa) [closed]
...s it, run multiple instances of servers for load balancing and redundancy (ideally in multiple availability zones).
When Not To
At some points in time, it may be cheaper to achieve faster IO on Instance Store instances. There was a time when it was certainly true. Now there are many options for EB...