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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...
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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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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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 to configure logging to syslog in Python?
...ogging module. My needs are very simple: I just want to log everything to syslog. After reading documentation I came up with this simple test script:
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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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Is there an exponent operator in C#?
...rator for C# was a big annoyance for us when looking for a new language to convert our calculation software to from the good ol' vb6.
I'm glad we went with C# but it still annoys me whenever I'm writing a complex equation including exponents. The Math.Pow() method makes equations quite hard to read ...
C++ Convert string (or char*) to wstring (or wchar_t*)
...;locale>
#include <codecvt>
#include <string>
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
std::string narrow = converter.to_bytes(wide_utf16_source_string);
std::wstring wide = converter.from_bytes(narrow_utf8_source_string);
Longer online compilab...
How to re import an updated package while in Python Interpreter? [duplicate]
...s, just saying import again gives you the existing copy of the module from sys.modules.
You can say reload(module) to update sys.modules and get a new copy of that single module, but if any other modules have a reference to the original module or any object from the original module, they will keep ...
Converting BigDecimal to Integer
...rge.
To get the best of both worlds, round off the BigDecimal first, then convert. This also has the benefit of giving you more control over the rounding process.
Spock Groovy Test
void 'test BigDecimal rounding'() {
given:
BigDecimal decimal = new BigDecimal(Integer.MAX_VALUE - 1.99)
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