大约有 40,000 项符合查询结果(耗时:0.0637秒) [XML]
Unicode equivalents for \w and \b in Java regular expressions?
.... That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
3 Answers
...
Turning off some legends in a ggplot
...
You can use guide=FALSE in scale_..._...() to suppress legend.
For your example you should use scale_colour_continuous() because length is continuous variable (not discrete).
(p3 <- ggplot(mov, aes(year, rating, colour = length, shape = mpaa)) +
sca...
How to check Oracle database for long running queries
...SQL that is currently "ACTIVE":-
select S.USERNAME, s.sid, s.osuser, t.sql_id, sql_text
from v$sqltext_with_newlines t,V$SESSION s
where t.address =s.sql_address
and t.hash_value = s.sql_hash_value
and s.status = 'ACTIVE'
and s.username <> 'SYSTEM'
order by s.sid,t.piece
/
This shows locks....
How do you find the current user in a Windows environment?
...answered Oct 22 '09 at 13:41
the_mandrillthe_mandrill
26.4k44 gold badges5555 silver badges8989 bronze badges
...
What is the easiest way to ignore a JPA field during persistence?
...
that depends on your app desing. if you annotate your entity class - it applies everywhere; but if you anotate dao that use entity - it's another story. in short: use DAO when you have multiple storages
– Andrii Plotnikov
...
Start an Activity with a parameter
...GAME_ID, gameId))
Get the Id in SecondActivity:
class CaptureActivity : AppCompatActivity() {
companion object {
const val PARAM_GAME_ID = "PARAM_GAME_ID"
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
val gameId = ...
Setting unique Constraint with fluent API?
...65%28v=pandp.50%29.aspx?f=255&MSPPError=-2147217396
A quick console app example:
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Data.Entity;
namespace EFIndexTest
{
class Program
{
static void Main(string[] args)...
Can I list-initialize a vector of move-only type?
...he following code through my GCC 4.7 snapshot, it tries to copy the unique_ptr s into the vector.
5 Answers
...
How to check if a user is logged in (how to properly use user.is_authenticated)?
...full Python capabilities, but since the overwhelming majority of 3rd party apps use the Django system it is often hard to intermix them. Look at ExprTag (djangosnippets.org/snippets/9) for a way to get expressions inside of Django templates. It works.
– Peter Rowell
...
Converting numpy dtypes to native python types
...np.int,np.bool, np.complex, and np.object. The Numpy types have a trailing _, e.g. np.str_.
– Mike T
Jan 8 '19 at 20:28
2
...
