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What's the Hi/Lo algorithm?
...keys (which are then held as a range in the server & used as needed):
select NEXT from KEY_ALLOC where SEQ=?;
update KEY_ALLOC set NEXT=(old value+200) where SEQ=? and NEXT=(old value);
Providing you can commit this transaction (use retries to handle contention), you have allocated 200 keys &...
How do I drop table variables in SQL-Server? Should I even do this?
...4'
SET @SQL = 'DROP TABLE dbo.' + QUOTENAME(@tablename) + '';
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(@tablename) AND type in (N'U'))
EXEC sp_executesql @SQL;
Works fine on SQL Server 2014
Christophe
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Pass Method as Parameter using C#
... You made my day ;) Really simple to use and much more flexible than the selected answer IMO.
– Sidewinder94
Mar 27 '14 at 11:43
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Should each and every table have a primary key?
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Just add it, you will be sorry later when you didn't (selecting, deleting. linking, etc)
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Android: Background Image Size (in Pixel) which Support All Devices
...ese steps:
Open the existing image in GIMP tool.
Go to "Image" menu, and select "Scale Image..."
Use below pixel dimension that you need:
xxxhdpi: 1280x1920 px
xxhdpi: 960x1600 px
xhdpi: 640x960 px
hdpi: 480x800 px
mdpi: 320x480 px
ldpi: 240x320 px
Then "Export" the image from "File" menu.
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Create table in SQLite only if it doesn't exist already
...bles with the name
tablename = 'KABOOM'
cursor.execute("SELECT count(name) FROM sqlite_master WHERE type='table' AND name=? ", (tablename, ))
print(cursor.fetchone()) # this SHOULD BE in a tuple containing count(name) integer.
# check if the db has existing table...
App store link for “rate/review this app”
... On iOS 7 this is taking me to the store page, but does not select the review tab.
– devios1
Oct 7 '13 at 8:40
40
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Enable the display of line numbers in Visual Studio
...disappeared at some point, even though the tools/options check showed them selected. As @TH Todorov stated, I had to go back, uncheck, then recheck them and save for them to reappear.
– BentChainRing
Oct 4 '17 at 18:49
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Calculate text width with JavaScript
...er, div in this case, does not have any other styles applied to it via css selection rules that you may not be cognizant of at the time. Strip all relevant styles from the container before applying the ones you care about before measuring.
– Jason Bunting
Sep 2...
Google Gson - deserialize list object? (generic type)
... generics? T[] yourClassList = gson.fromJson(message, T[].class); //cannot select from type variable
– Pawel Cioch
Feb 21 '15 at 17:31
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