大约有 21,900 项符合查询结果（耗时：0.0392秒） [XML]
Convert varchar to uniqueidentifier in SQL Server
... I have no control of the schema for, contains a column defined as varchar(50) which stores uniqueidentifiers in the format 'a89b1acd95016ae6b9c8aabb07da2010' (no hyphens)
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Is it possible to have multiple statements in a python lambda expression?
...63, 54, 37, 79, 25, 46, 72, 10, 59, 24, 68, 23, 13, 34, 41, 94, 29, 62, 2, 50, 32, 11, 97, 98, 3, 70, 93, 1, 36, 87, 47, 20, 73, 45, 0, 65, 57, 6, 76, 16, 85, 95, 61, 4, 77, 21, 81, 82, 30, 53, 51, 42, 67, 74, 8, 15, 83, 5, 9, 78, 66, 44, 27, 19, 91, 90, 18, 49, 86, 22, 75, 71, 88, 92, 33, 89, 69, 8...
Find a value anywhere in a database
...on: SQL Server 7.0 and SQL Server 2000
-- Date modified: 28th July 2002 22:50 GMT
DECLARE @Results TABLE(ColumnName nvarchar(370), ColumnValue nvarchar(3630))
SET NOCOUNT ON
DECLARE @TableName nvarchar(256), @ColumnName nvarchar(128), @SearchStr2 nvarchar(110)
SET @TableName = ''
SET @SearchStr2...
How to jump directly to a column number in Vim
... You can also pass a number before various motion commands, e.g. 50h will move 50 characters left.
– A B
Mar 31 '12 at 4:51
8
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Optimal way to concatenate/aggregate strings
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+50
SOLUTION
The definition of optimal can vary, but here's how to concatenate strings from different rows using regular Transact SQL, w...
Do I need to heartbeat to keep a TCP connection open?
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50
As many others have noted, the TCP connection will stay up if left to its own devices. However,...
Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
....fillRect(25,25,100,100); ctx.clearRect(45,45,60,60); ctx.strokeRect(50,50,50,50); return ctx.getImageData(0, 0, 128, 128);
– Ray Hulha
May 27 '13 at 4:01
add a comme...
Histogram Matplotlib
...
x = mu + sigma * np.random.randn(10000)
hist, bins = np.histogram(x, bins=50)
width = 0.7 * (bins[1] - bins[0])
center = (bins[:-1] + bins[1:]) / 2
plt.bar(center, hist, align='center', width=width)
plt.show()
The object-oriented interface is also straightforward:
fig, ax = plt.subplots()
ax.b...
Comparing two byte arrays in .NET
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Yes, this runs about 50x slower than the unsafe comparison.
– Hafthor
Feb 3 '11 at 2:53
28
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String comparison in Python: is vs. == [duplicate]
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Another example that I like: 'a'*50 == 'a'*50 (returns True), whereas 'a'*50 is 'a'*50 (returns False)
– Emre Sevinç
Aug 14 '15 at 7:27
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