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Reorder / reset auto increment primary key
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If I had a 100 votes I would have voted this up all the time since it breaks down the sql statements for a noob like me which aid in understanding
– repzero
Feb 16 '16 at 2:34
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How to split a string into an array of characters in Python?
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user225312user225312
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Conditional Replace Pandas
...da function on a Series of a DataFrame like this:
f = lambda x: 0 if x>100 else 1
df['my_column'] = df['my_column'].map(f)
I do not assert that this is an efficient way, but it works fine.
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Save all files in Visual Studio project as UTF-8
... using TFS with VS :
http://msdn.microsoft.com/en-us/library/1yft8zkw(v=vs.100).aspx
Example :
tf checkout -r -type:utf-8 src/*.aspx
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How to convert String to long in Java?
...urns 0L
Long.parseLong("-FF", 16) // returns -255L
Long.parseLong("1100110", 2) // returns 102L
Long.parseLong("99", 8) // throws a NumberFormatException
Long.parseLong("Hazelnut", 10) // throws a NumberFormatException
Long.parseLong("Hazelnut", 36) // returns 1356099454469L
Long...
Is String.Contains() faster than String.IndexOf()?
...Andrew Harry
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Row Offset in SQL Server
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100
If you will be processing all pages in order then simply remembering the last key value seen o...
How can I do an UPDATE statement with JOIN in SQL Server?
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100
postgres
UPDATE table1
SET COLUMN = value
FROM table2,
table3
WHERE table1.colum...
Python loop counter in a for loop [duplicate]
...or i in xrange(len(s)))". Each of them averaged on 8.83 usec per loop over 100,000 loops. Other tests (too long for a comment) showed very slight (~2%) speed increases for xrange(len(s)) if it only needed to access the element on every 16 iterations.
– ArtOfWarfare
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C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的文本信息如下所示，通过文本信息，可以得知多出来的100多个字节，估计是就是这一串字符串吧。
JConsoleApplication3, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null ConsoleApplication3.Student
延伸阅读： http://bl...