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How to use the same C++ code for Android and iOS?
... }
...
}
And the second step is to add the CMakeLists.txt file:
cmake_minimum_required(VERSION 3.4.1)
include_directories (
../../CPP/
)
add_library(
native-lib
SHARED
src/main/cpp/native-lib.cpp
../../CPP/Core.h
../../CPP/Core.cpp
)
find_library(
log-lib
log
...
What Every Programmer Should Know About Memory?
...n case. But in real multi-threaded programs, synchronization is kept to a minimum (because it's expensive), so contention is low and a CAS-retry loop usually succeeds without having to retry.
C++11 std::atomic fetch_add will compile to a lock add (or lock xadd if the return value is used), but an ...
Breadth First Vs Depth First
...ind, you can easily adapt the idea behind breadth first search to find the minimum spanning tree easily, shortest path, and also many other minimization algorithms.
I didnt see any intuitive interpretation of DFS yet (only the standard one about the maze, but it isnt as powerful as the BFS one and ...
Algorithm to compare two images
...ng and evaluating images.
Testing the algorithms
You should test (at the minimum) a large human analysed set of test data where matches are known beforehand. If for example in your test data you have 1,000 images where 5% of them match, you now have a reasonably reliable benchmark. An algorithm ...
How can I sort arrays and data in PHP?
... SplMinHeap class provides the main functionalities of a heap, keeping the minimum on the top.
$heap = new SplMinHeap ();
$heap->insert(3);
$heap->insert(1);
$heap->insert(2);
Other Types of Sort
Bubble Sort
From the Wikipedia article on Bubble Sort:
Bubble sort, sometimes incorre...
Usage of __slots__?
...e usually useless. When called into existence, the __dict__ attribute is a minimum of 280 bytes additionally.
In contrast, a class instance with __slots__ declared to be () (no data) is only 16 bytes, and 56 total bytes with one item in slots, 64 with two.
For 64 bit Python, I illustrate the memory ...
mmap() vs. reading blocks
...d like to make a case that mmap is faster, I would expect to see at a bare minimum the entire testing apparatus (source code) with the tabulated results, and the processor model number.
– Dietrich Epp
May 26 '18 at 3:08
...
How do we control web page caching, across all browsers?
...
Introduction
The correct minimum set of headers that works across all mentioned clients (and proxies):
Cache-Control: no-cache, no-store, must-revalidate
Pragma: no-cache
Expires: 0
The Cache-Control is per the HTTP 1.1 spec for clients and proxie...
What is the maximum length of a URL in different browsers?
...tice. It is RECOMMENDED that all HTTP senders and recipients
support, at a minimum, request-line lengths of 8000 octets.
...and the reality
That's what the standards say. For the reality, there was an article on boutell.com (link goes to Internet Archive backup) that discussed what individual brows...
How do I safely pass objects, especially STL objects, to and from a DLL?
...ers, as the C++ Standard does not provide a complete type definition, only minimum requirements. In addition, name lookup of the identifiers that appear in these type definitions don't resolve the same. Even on systems where there is a C++ ABI, attempting to share such types across module boundarie...
