大约有 40,000 项符合查询结果（耗时：0.0408秒） [XML]
How to rethrow the same exception in SQL Server
...lare @ErrorMessage nvarchar(max), @ErrorSeverity int, @ErrorState int;
select @ErrorMessage = ERROR_MESSAGE() + ' Line ' + cast(ERROR_LINE() as nvarchar(5)), @ErrorSeverity = ERROR_SEVERITY(), @ErrorState = ERROR_STATE();
if @@trancount > 0 rollback transaction;
raiserror (@ErrorMessa...
HQL ERROR: Path expected for join
...
select u from UserGroup ug inner join ug.user u
where ug.group_id = :groupId
order by u.lastname
As a named query:
@NamedQuery(
name = "User.findByGroupId",
query =
"SELECT u FROM UserGroup ug " +
"INNER JOIN...
Display two files side by side
....txt does a better job than paste one.txt two.txt and removing diffs extra chars that are displayed with sed is trivial comparing with writing/remembering an awk script. Even with both as functions in .bash_rc longer != better, more readable, faster.. what is the advantage here?
...
Pandas every nth row
...] # Excludes every 3rd row starting from 0
df2 = df[df.index % 3 == 0] # Selects every 3rd raw starting from 0
This arithmetic based sampling has the ability to enable even more complex row-selections.
This assumes, of course, that you have an index column of ordered, consecutive, integers star...
Check if a Windows service exists and delete in PowerShell
...ove-WmiObject -InputObject $s3
Remove-WmiObject : Access denied
At line:1 char:1
+ Remove-WmiObject -InputObject $s3
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [Remove-WmiObject], ManagementException
+ FullyQualifiedErrorId : RemoveWMIManagementExcep...
How to send data to local clipboard from a remote SSH session
...
I often to this in vim. To do so, select what you want to copy in visual mode, then type: :'<,'>w !ssh desktop pbcopy
– Mike Brennan
Nov 30 '12 at 5:04
...
Regex lookahead, lookbehind and atomic groups
...tive or negative) and discards the matched portion. They don't consume any character - the matching for regex following them (if any), will start at the same cursor position.
Read regular-expression.info for more details.
Positive lookahead:
Syntax:
(?=REGEX_1)REGEX_2
Match only if REGEX_...
Convert String to SecureString
...d kept there in plaintext until garbage collection). However, you can add characters to a SecureString by appending them.
var s = new SecureString();
s.AppendChar('d');
s.AppendChar('u');
s.AppendChar('m');
s.AppendChar('b');
s.AppendChar('p');
s.AppendChar('a');
s.AppendChar('s');
s.AppendChar('s...
Using JQuery to check if no radio button in a group has been checked
... answer worked for me reliably to check whether a radio button group had a selected value. Best answer in the thread.
– Andy Cook
Apr 29 '13 at 19:21
1
...
How do I best silence a warning about unused variables?
...tion is more convenient, although less cleaner.
– cbuchart
Jul 17 '14 at 6:57
I think simpler is better, commenting ou...