大约有 45,000 项符合查询结果(耗时:0.0492秒) [XML]
Create an empty list in python with certain size
...nately if you want to create a list-of-lists you will run into referencing errors. Example in Python 2.7.6:
>>> a = [[]]*10
>>> a
[[], [], [], [], [], [], [], [], [], []]
>>> a[0].append(0)
>>> a
[[0], [0], [0], [0], [0], [0], [0], [0], [0], [0]]
>>>
...
Remote debugging Tomcat with Eclipse
...g when it successfully connects, and reconnecting a second time forces the error. So it was working, but I just didn't notice.
– victor
Oct 1 '10 at 17:18
18
...
PostgreSQL: How to pass parameters from command line?
...11-12'" -c 'select * from table_1 where id = :v1;' will generate a syntax error. However, if bash is your shell, you might try: psql -v v1=12 -v v2="'Hello World'" -v v3="'2010-11-12'" <<< 'select * from table_1 where id = :v1;' to good effect.
– malcook
...
How to play an android notification sound
...
I got an error with this: MediaPlayer - Should have subtitle controller already set. What does it mean?
– Deqing
May 11 '14 at 11:20
...
How to pass boolean values to a PowerShell script from a command prompt
...'$false'
+ CategoryInfo : InvalidData: (:) [f], ParentContainsErrorRecordException
+ FullyQualifiedErrorId : ParameterArgumentTransformationError,f
Instead of using -File you could try -Command, which will evaluate the call as script:
CMD> powershell.exe -NoProfile -Command .\...
Remove duplicates in the list using linq
...
This is the error I get when I try to use Distinct Comparer: "LINQ to Entities does not recognize the method 'System.Linq.IQueryable1[DataAccess.HR.Dao.CCS_LOCATION_TBL] Distinct[CCS_LOCATION_TBL](System.Linq.IQueryable1[DataAccess.HR.Da...
How to output in CLI during execution of PHP Unit tests?
...this is downvoted because if anyone tries running this you'll get a syntax error. A massive one.
– Jimbo
Apr 15 '14 at 8:21
...
OwinStartup not firing
...o classic the debugger will break in startup. I ran after that and got an error saying the application had to run in Integrated so I had to change it back but was at least able to see that it was breaking there.
– Matt Bodily
Apr 20 '17 at 15:10
...
Expert R users, what's in your .Rprofile? [closed]
...tryCatch(
{options(
width = as.integer(Sys.getenv("COLUMNS")))},
error = function(err) {
write("Can't get your terminal width. Put ``export COLUMNS'' in your \
.bashrc. Or something. Setting width to 120 chars",
stderr());
options(width=120)}
)
This way R wi...
C# pattern to prevent an event handler hooked twice [duplicate]
...e, e.g. Foo?.Invoke() would now become foo?.Invoke(). Otherwise you get an error.
– toddmo
Oct 19 '17 at 16:19
...
