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How to know/change current directory in Python shell?
I am using Python 3.2 on Windows 7. When I open the Python shell, how can I know what the current directory is and how can I change it to another directory where my modules are?
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Remove duplicated rows
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deduped.data <- unique( yourdata[ , 1:3 ] )
# the fourth column no longer 'distinguishes' them,
# so they're duplicates and thrown out.
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Why is printing “B” dramatically slower than printing “#”?
I generated two matrices of 1000 x 1000 :
3 Answers
3
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CoInitialize浅析一 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...769AEF7E
769AEF7Eloc_769AEF7E:
769AEF7E call ?IsRunningInRPCSS@@YGHXZ ;IsRunningInRPCSS(void)
769AEF83 test eax, eax ;判断当前进程是否是RPCSS
769AEF85 jnz loc_76A0B8ED ...
In where shall I use isset() and !empty()
I read somewhere that the isset() function treats an empty string as TRUE , therefore isset() is not an effective way to validate text inputs and text boxes from a HTML form.
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Getting the last argument passed to a shell script
$1 is the first argument.
$@ is all of them.
27 Answers
27
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How do you determine what SQL Tables have an identity column programmatically
...olumns in SQL Server 2005 that have identity columns and their corresponding table in T-SQL.
13 Answers
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Check if a number is int or float
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Use isinstance.
>>> x = 12
>>> isinstance(x, int)
True
>>> y = 12.0
>>> isinstance(y, float)
True
So:
>>> if isinstance(x, int):
print 'x is a int!'
x is a int!
_EDIT:_
As pointed ou...
Using an SSH keyfile with Fabric
How do you configure fabric to connect to remote hosts using SSH keyfiles (for example, Amazon EC2 instances)?
8 Answers
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How to Test Facebook Connect Locally
...ost:xxxx/test.aspx )
So how I can test Facebook locally (i.e How I can change the callback url) ?
10 Answers
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