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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...展由中文网开发及维护，基于开源 aix-SQLite 拓展。
与 TaifunSQLite 功能类似，但TaifunSQLite是收费的，美刀。
.aix 拓展下载：
cn.fun123.SQLite.aix
中文网测试案例
.aia 测试源码下载：
TestSqlite.aia
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How to format a DateTime in PowerShell
I can format the Get-Date cmdlet no problem like this:
10 Answers
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How do I pipe a subprocess call to a text file?
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Check whether number is even or odd
...) { even... } else { odd... }
This is because the low bit will always be set on an odd number.
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Macro vs Function in C
I always saw examples and cases where using a macro is better than using function.
11 Answers
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How to remove all callbacks from a Handler?
...receiving Callbacks, I'd call handler.removeCallbacksAndMessages(null) and set my handler to null, but since I would still get the callback, I'd encounter a NPE when I'd want to loop with handler.postDelayed().
– Snaker
May 23 '16 at 18:19
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Run certain code every n seconds [duplicate]
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OK, fixed, note that you may also want to set the thread made by Timer as a daemon in case you want to interrupt the program cleanly by just finishing the main thread -- in that case you'd better set t = threading.Timer &c, then t.daemon = True, and only then t.s...
Table name as variable
...chema varchar(50)
declare @table varchar(50)
declare @query nvarchar(500)
set @schema = 'dbo'
set @table = 'ACTY'
set @query = 'SELECT * FROM [DB_ONE].['+ @schema +'].[' + @table + '] EXCEPT SELECT * FROM [DB_TWO].['+ @schema +'].[' + @table + ']'
EXEC sp_executesql @query
Since dynamic queries...
Python, compute list difference
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If the order does not matter, you can simply calculate the set difference:
>>> set([1,2,3,4]) - set([2,5])
set([1, 4, 3])
>>> set([2,5]) - set([1,2,3,4])
set([5])
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How to pick a new color for each plotted line within a figure in matplotlib?
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matplotlib 1.5+
You can use axes.set_prop_cycle (example).
matplotlib 1.0-1.4
You can use axes.set_color_cycle (example).
matplotlib 0.x
You can use Axes.set_default_color_cycle.
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