大约有 32,000 项符合查询结果（耗时：0.0453秒） [XML]
How to check if a stored procedure exists before creating it
...e bit confusing.
If you only need to create a procedure if it not exists, then your code is just fine.
Here's what SSMS outputs in the create script:
IF EXISTS ( SELECT *
FROM sys.objects
WHERE object_id = OBJECT_ID(N'myproc')
AND type IN ( N'P', ...
Java: Path vs File
... Now I'm wondering: why do the new File/FolderChooser dialogs in JavaFX 8 then still use File instead of Path?
– piegames
Sep 6 '17 at 12:06
2
...
Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The s
...rror "The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required", than the error might occur due to following cases.
case 1: when the password is wrong
case 2: when you try to login from some App
case 3: when you try ...
Algorithm to find Largest prime factor of a number
...n)), you just stop the loop when d*d > n, and if n > 1 at this point then its value should be appended to the list of prime factors.
– Sumudu Fernando
Mar 19 '12 at 4:53
...
Use of Finalize/Dispose method in C#
...feHandle and friends doesn't count, as they declare their own finalizers), then don't implement a finalizer, as the GC deals with finalizable classes differently, even if you later suppress the finalizer. Also note that, even though B doesn't have a finalizer, it still calls SuppressFinalize to corr...
MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
...his is to first declare a temp table, insert value to that temp table, and then use MERGE
Like this:
declare @Source table
(
name varchar(30),
age decimal(23,0)
)
insert into @Source VALUES
('Helen', 24),
('Katrina', 21),
('Samia', 22),
('Hui Ling', 25),
('Yumie', 29);
MERGE beautiful AS Tg
us...
It is more efficient to use if-return-return or if-else-return?
...of cases that if-else-return branches are almost never equal (if they are, then you should be refactoring anyway; either using a switch construct or for Python, enumerating a dict/using a callable/etc.). Therefore almost all if-else-return are cases of guard clauses and those are always testable (mo...
Access nested dictionary items via a list of keys?
... in mapList is needed to find the 'parent' dictionary to add the value to, then use the last element to set the value to the right key.
Demo:
>>> getFromDict(dataDict, ["a", "r"])
1
>>> getFromDict(dataDict, ["b", "v", "y"])
2
>>> setInDict(dataDict, ["b", "v", "w"], 4)
&g...
How do I add spacing between columns in Bootstrap?
...offset classes for this. But if you find the built in gutters insufficient then you might want to try compiling your own version of bootstrap, either from less or sass depending on your preferences. You can then modify the column widths and gutters to match your website. Adding empty divs isn't real...
Disable JavaScript error in WebBrowser control
...dler is attached as a response to the Navigated and FileDownloaded events, then most if not all script error dialogs can be suppressed. (FileDownloaded handles most scenarios, except, for example WebBrowser.GoBack, which is handled by Navigated. Navigated alone would miss a page being refreshed.)
...