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ACashwith chandrasigsegv.hashnode.devApr 28 · 3 min read

The hidden detail behind std::addressof in C++

In c++, even something like &obj is not always what it seems. Normally, when we write: struct Resource { int data = 42; }; int main() { Resource r; auto h = &r; std::cout << h << '\n'

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XSXianyu Shengxianyu-sheng.hashnode.devJan 29 · 1 min read

C++ Stl杂项

迭代器特性输入流的容器特性迭代器对算法的影响仿函数和函数对象分配器对于平常的我们内存的使用，直接使用new delete 即可使用分配器的话还需要记住自己当时申请了多少的内存很不方便哈希表深度探索哈希容器哈希表在扩充时，会先将自身大小乘以2 然后在选择自身2倍距离最近的一个质数作为新的大小哈希函数以哈希表为底层支撑的适配器红黑树容器 list容器 forward_list 对于标准库，其本身提供一个sort排序函数，但某些容器也提供sort服务...

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DCDongol Chodongol-ts.hashnode.devSep 28, 2025 · 5 min read

(C++) Performance traps of std::vector and how to avoid them

For most C++ developers, std::vector is the default choice among STL containers.Thanks to its contiguous memory layout, it is highly cache-friendly and offers fast O(1) random access. However, using std::vector without understanding its internal mech...

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DCDongol Chodongol-ts.hashnode.devSep 14, 2025 · 3 min read

(C++) Why should we be conservative about using std::set and std::map?

As a C++ programmer, you often face the decision of which STL container to choose. If you are developing an application where performance (both runtime and memory) is critical, you should carefully consider the use of associative containers like std:...

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DCDongol Chodongol-ts.hashnode.devAug 31, 2025 · 3 min read

(C++) A deep dive into associative containers: The rules of comparison

C++ offers a set of associative containers, including std::set, std::map, std::multiset, and std::multimap. In order to write correct and effective code, we need to be aware of their core characteristics. Key characteristics of associative containers...

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BSBHEEMISETTY SAI HARSHAefficientcode.hashnode.devMay 6, 2025 · 7 min read

Mastering C++ STL: Online Store Modelling and Employee Management Using Containers and Lambdas

Building an Online Store with C++ STL Containers Introduction Today, we'll explore how to implement the foundational elements of an online store using C++ and its powerful Standard Template Library (STL) containers. While real e-commerce platforms ty...

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RKRohit Kclimbing-leetcode.hashnode.devMay 6, 2025 · 3 min read

Reverse Words in a String – Explained with STL Magic ✨

🚩 Problem Statement (Simplified) Given a string s, reverse the order of words. Words are separated by spaces. Extra spaces (leading, trailing, or multiple) should be removed in the output. 📥 Input: " hello world "📤 Output: "world hello" 🧠 My...

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HGHridish Goswamihrdxh.hashnode.devApr 17, 2025 · 4 min read

A Relaxed Look at C++ and the STL: Discovering the Standard Template Library

Hi! I’m 19, I like building stuff, breaking stuff, and most of all—understanding stuff. When I started learning C++, people kept dropping this term “STL” like it was the cheat code to everything. At first, I thought STL was something fancy or complex...

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SESouhayla EL MEFTAHIfuture-data-pipelines-ai.hashnode.devNov 26, 2024 · 7 min read

The Future of Data Engineering: AI Driving the ELT to STL Shift

In the ever-evolving landscape of data engineering, new methodologies are continually reshaping the way we collect, process, and analyze data. One such shift is the transition from traditional ETL (Extract, Transform, Load) processes to STL (Stream, ...

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PKPankaj Kholiyadatatype.hashnode.devNov 26, 2024 · 2 min read

C++ STL Reference Guide

Vector Array Operations Defining Vector Array vector<int> myArray; Inserting Elements in Vector Array for (int i = 0; i < myArray.size(); i++) { int element; cin >> element; myArray.push_back(element); } Iterating the Vector Array for (...

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#stl

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Trending tags this week

The hidden detail behind std::addressof in C++

C++ Stl杂项

(C++) Performance traps of std::vector and how to avoid them

(C++) Why should we be conservative about using std::set and std::map?

(C++) A deep dive into associative containers: The rules of comparison

Mastering C++ STL: Online Store Modelling and Employee Management Using Containers and Lambdas

Reverse Words in a String – Explained with STL Magic ✨

A Relaxed Look at C++ and the STL: Discovering the Standard Template Library

The Future of Data Engineering: AI Driving the ELT to STL Shift

C++ STL Reference Guide