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How to sort a HashSet?
...Add all your objects to the TreeSet, you will get a sorted Set. Below is a raw example.
HashSet myHashSet = new HashSet();
myHashSet.add(1);
myHashSet.add(23);
myHashSet.add(45);
myHashSet.add(12);
TreeSet myTreeSet = new TreeSet();
myTreeSet.addAll(myHashSet);
System.out.println(myTreeSet); // Pr...
How do you calculate log base 2 in Java for integers?
...lues which does not fit in a long, this might not be useful if your values range exceeds long range ( float has much higher range than long in java)
– Naruto26
Aug 19 at 4:31
...
How do I activate C++ 11 in CMake?
... target_compile_features() is used to specify the required C++ feature cxx_range_for. CMake will then induce the C++ standard to be used.
cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR)
project(foobar CXX)
add_executable(foobar main.cc)
target_compile_features(foobar PRIVATE cxx_range_for)
Ther...
Numpy `logical_or` for more than two arguments
... setup=lambda n: [numpy.random.choice(a=[False, True], size=n) for j in range(k)],
kernels=[
lambda l: and_recursive(*l),
lambda l: and_reduce(*l),
lambda l: and_stack(*l),
lambda l: or_recursive(*l),
lambda l: or_reduce(*l),
lambda l: or_stack(...
Type converting slices of interfaces
...code you gave in your question:
b := make([]interface{}, len(a))
for i := range a {
b[i] = a[i]
}
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How to sort two lists (which reference each other) in the exact same way
...r zip solution for me (using lists of 10000 random ints): %timeit index = range(len(l1)); index.sort(key=l1.__getitem__); map(l1.__getitem__, index); map(l2.__getitem__, index) 100 loops, best of 3: 8.04 ms per loop (vs 9.17 ms, 9.07 ms for senderle's timits)
– Quantum7
...
Restrict varchar() column to specific values?
...pression that is not
based on data in another column. For
example, the range of values for a
salary column can be limited by
creating a CHECK constraint that
allows for only data that ranges from
$15,000 through $100,000. This
prevents salaries from being entered
beyond the regular s...
How do I convert an integer to binary in JavaScript?
... what
JS uses as its not sure how many bits are in your number range. There are
some suggestions https://stackoverflow.com/questions/10936600/javascript-decimal-to-binary-64-bit
*/
return (~dec).toString(2);
}
}
I had some help from here
...
What is the purpose of the single underscore “_” variable in Python?
...1, 2, 3)
>>> x
1
>>> y
3
Ignore the index
for _ in range(10):
do_something()
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Python: using a recursive algorithm as a generator
...en(string) == 1:
yield prefix + string
else:
for i in xrange(len(string)):
for perm in getPermutations(string[:i] + string[i+1:], prefix+string[i]):
yield perm
Or without an accumulator:
def getPermutations(string):
if len(string) == 1:
...