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Expand a random range from 1–5 to 1–7
... a random real number selected uniformly from the range [0, 1], we need to convert it to a series of uniformly random numbers in the range [0, 6] to generate the output of rand7(). How do we do this? Just the reverse of what we just did -- we convert it to an infinitely precise decimal in base 7, ...
How to multiply duration by integer?
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int32 and time.Duration are different types. You need to convert the int32 to a time.Duration, such as time.Sleep(time.Duration(rand.Int31n(1000)) * time.Millisecond).
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impr...
Assigning variables with dynamic names in Java
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Excellent when you need to convert Android's sensor event.values[] into a set of variables. event.values[] could have a length from 1 to 6 and it's handy to have it convert, in my case for an array-less json marshaling.
– Farshid ...
GCC dump preprocessor defines
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gcc exists on systems where /dev/null means nothing.
– Pavel P
Jan 12 '14 at 1:29
4
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Test if string is a guid without throwing exceptions?
I want to try to convert a string to a Guid, but I don't want to rely on catching exceptions (
18 Answers
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Fastest way to check if a file exist using standard C++/C++11/C?
...s, half on files that existed and half on files that didn't.
#include <sys/stat.h>
#include <unistd.h>
#include <string>
#include <fstream>
inline bool exists_test0 (const std::string& name) {
ifstream f(name.c_str());
return f.good();
}
inline bool exists_test...
Conversion from Long to Double in Java
Is there any way to convert a Long data type to Double or double ?
8 Answers
8
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View.setPadding accepts only in px, is there anyway to setPadding in dp?
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This is the formula for Converting dp units to pixel units. You can use it anywhere
– Labeeb Panampullan
Jul 11 '11 at 7:42
2
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What is an alternative to execfile in Python 3?
... is better, since it takes the globals and locals from the caller:
import sys
def execfile(filename, globals=None, locals=None):
if globals is None:
globals = sys._getframe(1).f_globals
if locals is None:
locals = sys._getframe(1).f_locals
with open(filename, "r") as fh:...
Is it possible to get element from HashMap by its position?
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Use a LinkedHashMap and when you need to retrieve by position, convert the values into an ArrayList.
LinkedHashMap<String,String> linkedHashMap = new LinkedHashMap<String,String>();
/* Populate */
linkedHashMap.put("key0","value0");
linkedHashMap.put("key1","value1");
linked...