大约有 37,000 项符合查询结果（耗时：0.0523秒） [XML]
scopes with lambda and arguments in Rails 4 style?
...
307
I think it should be:
scope :find_lazy, -> (id) { where(id: id) }
...
How to reload apache configuration for a site without restarting apache
...
olly_ukolly_uk
10.2k33 gold badges3737 silver badges4545 bronze badges
...
Difference between static STATIC_URL and STATIC_ROOT on Django
...
90
STATIC_ROOT
The absolute path to the directory where ./manage.py collectstatic will collect ...
Python creating a dictionary of lists
...
answered Jun 6 '09 at 23:00
mechanical_meatmechanical_meat
135k1919 gold badges199199 silver badges193193 bronze badges
...
How do I delete a Git branch with TortoiseGit
...vius Panda
19.8k1313 gold badges9898 silver badges150150 bronze badges
answered Mar 14 '12 at 16:16
Sandro MundaSandro Munda
34.9k...
What does the plus sign do in '+new Date'
...
edited Aug 17 '15 at 12:20
dovid
5,70733 gold badges2828 silver badges6161 bronze badges
answered Oct 2...
java.net.UnknownHostException: Invalid hostname for server: local
... local computer. Try with the hostname "localhost" instead, or perhaps 127.0.0.1 or ::1 (the last one is IPv6).
From the javadocs:
Thrown to indicate that the IP address
of a host could not be determined.
127.0.0.1or ::1 or "localhost" should always be the loopback interface, so if that doe...
Difference between repository and service?
...
|
edited Sep 17 '09 at 17:22
answered Sep 17 '09 at 17:13
...
Why do you have to call .items() when iterating over a dictionary in Python?
...-- which is a check I believe I may have performed, or wanted to perform, 100 times more rarely than what if k in C actually means, checking the presence of the key only and completely ignoring the value.
On the other hand, wanting to loop just on keys is quite common, e.g.:
for k in thedict:
...
How to get the parents of a merge commit in git?
...es of its parents:
$ git log -1 395f65d
commit 395f65d438b13fb1fded88a330dc06c3b0951046
Merge: 9901923 d28790d
...
git outputs parents according to their number: the first (leftmost) hash is for the first parent, and so on.
If all you want is just the hashes, the two equivalent choices are:
...