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Tricky Google interview question
... = 0; // Index for 5
int x2 = 2 * v[i2]; // Next two candidates
int x5 = 5 * v[i5];
for (int i = 1; i != n; ++i)
{
int m = std::min(x2, x5);
std::cout << m << " ";
v[i] = m;
if (x2 == m)
{
++i2;
...
How to read a (static) file from inside a Python package?
...
TLDR; Use standard-library's importlib.resources module as explained in the method no 2, below.
The traditional pkg_resources from setuptools is not recommended anymore because the new method:
it is significantly more performant;
is is ...
How to find out if a Python object is a string?
...a subclass of a string type:
isinstance(o, basestring)
because both str and unicode are subclasses of basestring.
To check if the type of o is exactly str:
type(o) is str
To check if o is an instance of str or any subclass of str:
isinstance(o, str)
The above also work for Unicode strings ...
Compare JavaScript Array of Objects to Get Min / Max
I have an array of objects and I want to compare those objects on a specific object property. Here's my array:
16 Answers
...
Equivalent of typedef in C#
...c.List<Customer>;
but that will only impact that source file. In C and C++, my experience is that typedef is usually used within .h files which are included widely - so a single typedef can be used over a whole project. That ability does not exist in C#, because there's no #include functiona...
Split a collection into `n` parts with LINQ?
...
A pure linq and the simplest solution is as shown below.
static class LinqExtensions
{
public static IEnumerable<IEnumerable<T>> Split<T>(this IEnumerable<T> list, int parts)
{
int i = 0;
...
Printing a variable memory address in swift
...
Swift 2
This is now part of the standard library: unsafeAddressOf.
/// Return an UnsafePointer to the storage used for `object`. There's
/// not much you can do with this other than use it to identify the
/// object
Swift 3
For Swift 3, use withUnsafeP...
How to convert SSH keypairs generated using PuTTYgen (Windows) into key-pairs used by ssh-agent and
I've generated key pairs using PuTTYgen and been logging in using Pageant, so that I have to enter my pass-phrase only once when my system boots.
...
CFLAGS vs CPPFLAGS
I understand that CFLAGS (or CXXFLAGS for C++) are for the compiler, whereas CPPFLAGS is used by the preprocessor.
4 Answer...
Is System.nanoTime() completely useless?
...ventov's answer offers a more up-to-date perspective.
That post is wrong, and nanoTime is safe. There's a comment on the post which links to a blog post by David Holmes, a realtime and concurrency guy at Sun. It says:
System.nanoTime() is implemented using the QueryPerformanceCounter/QueryPerfo...