大约有 47,000 项符合查询结果（耗时：0.0759秒） [XML]
Getting LaTeX into R Plots
...
What is the situation now? I think it has improved with R 3.1.1 little.
– Léo Léopold Hertz 준영
Oct 30 '16 at 10:09
a...
How do I create multiple submit buttons for the same form in Rails?
...
Now thats something new. Thanks @Anurag!
– Shripad Krishna
Jun 12 '10 at 2:38
1
...
How to select unique records by SQL
...rite the table name. Somehow when I wrote this it worked but I just tested now and it didn't without the table name before the *
– htafoya
Nov 15 '17 at 7:41
...
Git push won't do anything (everything up-to-date)
...
git push doesn't push all of your local branches: how would it know which remote branches to push them to? It only pushes local branches which have been configured to push to a particular remote branch.
On my version of Git (1.6.5.3), when I run git remote show origin it actually prints ...
Jquery bind double click and single click separately
...
use .on() over both of those now
– Claudiu
Sep 4 '12 at 15:40
2
...
How to dynamically create a class?
....DefineType call to include the static type as the last parameter (is null now)
– danijels
Oct 5 '10 at 9:49
2
...
Sleeping in a batch file
...
Oh yeah I know. The example i gave was just to demonstrate the error :)
– Blorgbeard is out
Aug 30 '13 at 4:35
3
...
Passing route control with optional parameter after root in express?
...after in URL construction, I gave a '?' symbol after batchNo '/:batchNo?'
Now I can call with only categoryId and productId or with all three-parameter.
http://127.0.0.1:3000/api/v1/tours/5/10
//or
http://127.0.0.1:3000/api/v1/tours/5/10/8987
...
DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
...s way:
try:
code_that_executes_bad_query()
# transaction on DB is now bad
except:
pass
# transaction on db is still bad
code_that_executes_working_query() # raises transaction error
There nothing wrong with the second query, but since the real error was caught, the second query is th...
How to check if a user is logged in (how to properly use user.is_authenticated)?
...
Update for Django 1.10+:
is_authenticated is now an attribute in Django 1.10.
The method was removed in Django 2.0.
For Django 1.9 and older:
is_authenticated is a function. You should call it like
if request.user.is_authenticated():
# do something if the user is au...