大约有 40,000 项符合查询结果（耗时：0.0547秒） [XML]
Transaction count after EXECUTE indicates a mismatching number of BEGIN and COMMIT statements. Previ
...h
declare @error int, @message varchar(4000), @xstate int;
select @error = ERROR_NUMBER(), @message = ERROR_MESSAGE(), @xstate = XACT_STATE();
if @xstate = -1
rollback;
if @xstate = 1 and @trancount = 0
rollback
if @xstate = 1 and @tran...
Does Python have an ordered set?
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I selected my own answer because the reference from the documentation makes this close to an official answer
– Casebash
Dec 10 '10 at 0:59
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Calculate distance between 2 GPS coordinates
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This is very easy to do with geography type in SQL Server 2008.
SELECT geography::Point(lat1, lon1, 4326).STDistance(geography::Point(lat2, lon2, 4326))
-- computes distance in meters using eliptical model, accurate to the mm
4326 is SRID for WGS84 elipsoidal Earth model
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How to make a background 20% transparent on Android
...egant solution. I'm able to apply this to a list item background when I'm selecting it - so I get some color, but it doesn't compete with the item text.. Very cool, thanks!
– Gene Bo
Mar 25 '15 at 18:54
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Java Look and Feel (L&F) [closed]
... (String) JOptionPane.showInputDialog(this, "Choose Look and Feel Here:", "Select Look and Feel", JOptionPane.QUESTION_MESSAGE, null, lookAndFeelsDisplay.toArray(), null);
if (changeLook != null) {
for (int i = 0; i < lookAndFeelsDisplay.size(); i++) {
if (cha...
Convert SVG to image (JPEG, PNG, etc.) in the browser
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@Luckyn if you call $(selector).html() on the parent of your svg element, it will work
– jonathanGB
Aug 12 '16 at 18:31
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How to add calendar events in Android?
... I like this solution a lot. Mainly because it pushes the user to select his/her own calendar (if he has more than one).
– Sebastian Roth
Dec 3 '10 at 7:38
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Linux command (like cat) to read a specified quantity of characters
...the chars in line 5 and chars 5 to 8 of line 5,
Note: tail -1 is used to select the last line displayed by the head.
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When to use MyISAM and InnoDB? [duplicate]
...l-text indexing. -- InnoDB has it now
Especially good for read-intensive (select) tables. -- Mostly no longer true.
Disk footprint is 2x-3x less than InnoDB's. -- As of Version 5.7, this is perhaps the only real advantage of MyISAM.
InnoDB:
The InnoDB storage engine in MySQL.
Support for tra...
How can I see the raw SQL queries Django is running?
...o-shell all executed queries will be printed
Ex.:
User.objects.get(pk=1)
SELECT "auth_user"."id",
"auth_user"."password",
"auth_user"."last_login",
"auth_user"."is_superuser",
"auth_user"."username",
"auth_user"."first_name",
"auth_user"."last_name",
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