The C++ Function using STL to Check Duplicate Elements/Character

  • 时间：2020-09-17 14:37:27
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cplusplus Let’s say we want to implement a C++ function based on STL containers to check if a given string contains duplicate characters, or a given vector/array contains duplicate elements. Luckily we can use the unordered set (or se... ...

C++ Coding Reference: sort() and stable_sort()

  • 时间：2020-09-17 14:37:27
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Nowadays, you don’t have to implement your sorting algorithms e.g. quicksort, selection sort, insertion sort etc by yourself. Most programming languages provide the functions/library to do the sorting efficiently, mostly in O(nlogN) t... ...

C++ Coding Reference: std::accumulate() and examples

  • 时间：2020-09-17 14:37:27
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The Reduce in terms of Map-Reduce is often referring to reducing many values (vector) to a single value (scalar). In C++, the STL has a accumulate() method that allows you to reduce a vector/list to a single value by providing the initial v... ...

How to Reorder Data in Log Files using the Custom Sorting Algori

  • 时间：2020-09-17 14:37:27
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You have an array of logs. Each log is a space delimited string of words. For each log, the first word in each log is an alphanumeric identifier. Then, either: Each word after the identifier will consist only of lowercase letters, or; Eac... ...

C++ Coding Reference: count and count_if

  • 时间：2020-09-17 14:37:27
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Novice C++ programmers usually write a simple for loop if they want to count number of particular elements in the array – which could be entirely replaced by STL::count or STL::count_if. std::count() For example, given the following v... ...

C++ Coding Reference: next_permutation() and prev_permutation()

  • 时间：2020-09-17 14:37:27
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C++ algorithm header provides you access to next_permutation() and prev_permutation() which can be used to obtain the next or previous lexicographically order. With an array or vector or string (or other STL containers) of size N, there are... ...

Two Rectangles Overlap Detection Algorithm in C++

  • 时间：2020-09-17 14:37:27
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A rectangle is represented as a list [x1, y1, x2, y2], where (x1, y1) are the coordinates of its bottom-left corner, and (x2, y2) are the coordinates of its top-right corner. Two rectangles overlap if the area of their intersection is posi... ...

C++ Coding Reference: is_sorted_until() and is_sorted()

  • 时间：2020-09-17 14:37:27
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We talked about sorting (unstable and stable) algorithms implemented in C++ STL. The STL algorithm header also provides the is_sorted_until() and is_sorted() which returns the first out-of-order element in iterator, and whether the containe... ...

How to Build an Online Store on WordPress Using WooCommerce

  • 时间：2020-09-17 14:31:41
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The WooCommerce plugin offered by WordPress is the most popular platform to create eCommerce websites today. If you are thinking about building your site this way, here is a brief guide to follow: Install WordPress The very first step in c... ...

Irish Travel Blogger Visits Every Country In The World, Just In

  • 时间：2020-09-17 14:31:41
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Johnny Ward caught the travel bug at an early age and quickly learned how to turn it into a career. The Irish travel blogger celebrated St. Patrick’s Day in a big way by meeting a huge personal goal: visiting every country in the world. Wa... ...