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How can I check if an ip is in a network in Python?
...ong integer"
return (2L<<n-1) - 1
def dottedQuadToNum(ip):
"convert decimal dotted quad string to long integer"
return struct.unpack('L',socket.inet_aton(ip))[0]
def networkMask(ip,bits):
"Convert a network address to a long integer"
return dottedQuadToNum(ip) & make...
java : convert float to String and String to float
How could I convert from float to string or string to float?
9 Answers
9
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What is the JavaScript >>> operator and how do you use it?
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It doesn't just convert non-Numbers to Number, it converts them to Numbers that can be expressed as 32-bit unsigned ints.
Although JavaScript's Numbers are double-precision floats(*), the bitwise operators (<<, >>, &, | and ...
Convert hex color value ( #ffffff ) to integer value
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Answer is really simple guys, in android if you want to convert hex color in to int, just use android Color class, example shown as below
this is for light gray color
Color.parseColor("#a8a8a8");
Thats it and you will get your result.
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What is a “callable”?
...''called'' as a function
Example
class Foo:
def __call__(self):
print 'called'
foo_instance = Foo()
foo_instance() #this is calling the __call__ method
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Converting Epoch time into the datetime
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To convert your time value (float or int) to a formatted string, use:
time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(1347517370))
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CSV in Python adding an extra carriage return, on Windows
... CSV writer. Also, it doesn't address the issue if the script wants to use sys.stdout as the stream.
I suggest instead setting the 'lineterminator' attribute when creating the writer:
import csv
import sys
doc = csv.writer(sys.stdout, lineterminator='\n')
doc.writerow('abc')
doc.writerow(range(3)...
How do I convert a float number to a whole number in JavaScript?
I'd like to convert a float to a whole number in JavaScript. Actually, I'd like to know how to do BOTH of the standard conversions: by truncating and by rounding. And efficiently, not via converting to a string and parsing.
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How do I get the path of a process in Unix / Linux
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@Noitidart - replace "/proc/self/exe" with sprintf(foo,"/proc/%d/exe",pid)
– Mark Lakata
Nov 3 '16 at 19:00
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Convert a string representation of a hex dump to a byte array using Java?
I am looking for a way to convert a long string (from a dump), that represents hex values into a byte array.
24 Answers
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