Tag: 1
FertilAid: The Number 1 Supplement for Male Fertility
General Health Blog FertilAid: The Number 1 Supplement for Male Fertility Male health In the past, infertility was only a problem that women had to worry about. But nowadays, with infertility rates rising in both men and women, it is an issue that all couples are having to deal with. This is a reality many …
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C++11 Smart Pointer – Part 1: shared_ptr Tutorial and Examples
In this article we will discuss a smart pointer implementation provide by c++11 i.e. shared_ptr. What is std::shared_ptr<> ? shared_ptr is a kind of Smart Pointer class provided by c++11, that is smart enough to automatically delete the associated pointer when its not used anywhere. Thus helps us to completely remove the problem of memory leaks …
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C++11 Multithreading – Part 1 : Three Different ways to Create Threads
In this article we will discuss how to create threads in C++11 using std::thread. Introduction to C++11 Thread Library Original C++ Standard supported only single thread programming. The new C++ Standard (referred to as C++11 or C++0x) was published in 2011. In C++11 a new thread library is introduced. Advertisements Compilers Required: Â Linux: gcc 4.8.1 …
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C++ : Map Tutorial Part 1: Usage Detail with examples
In this article we see how & why to use std::map in c++. std::map Introduction std::map is an associative container that store elements in key-value pair. Advertisements Benefits of using std::map : It stores only unique keys and that too in sorted order based on its assigned sorting criteria. As keys are in sorted order …
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C++ Set example and Tutorial – Part 1
In this article we will discuss how to use std::set with default sorting criteria. std::set – Introduction std::set is an associative container and header that need to be include for it is,#include<set> Advertisements Benefits and Features of std::set: It’s doesn’t allow duplicate elements i.e. it only contains unique elements. Std::set can contain element of any …
Designing Callbacks in C++ – Part 1: Function Pointers
In this article we will discuss what is a callback and what types of callbacks we can have in C++ and how to Design Callbacks as function pointers. Now what is a callback? Advertisements Callback is a function that we pass to another APIs as argument while calling them. Now these APIs are expected to …
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Designing a Thread Pool Framework Part 1: What’s the need of a Thread Pool
In this we will discuss what is a Thread pool and why do we need Thread Pools. Many times you encounter a situation where where you need to perform several tasks in parallel to improve the performance of application. These Tasks can be anything like, Advertisements Encrypting a file. Calculating hash of a file. Performing …
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Pandas : How to Merge Dataframes using Dataframe.merge() in Python – Part 1
In this article we will discuss how to merge different Dataframes into a single Dataframe using Pandas Dataframe.merge() function. Merging is a big topic, so in this part we will focus on merging dataframes using common columns as Join Key and joining using Inner Join, Right Join, Left Join and Outer Join. Dataframe.merge() In Python’s …
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SELECT 1 FROM TABLE
Many times we have seen SELECT 1 from a table as subqueries or a query in itself. This article will discuss what select 1 from a table means in MySQL and where it is used. Table of Contents:- MySQL: What is SELECT 1 from a table? Where is SELECT 1 from a table/query used? Let …
Pandas Tutorial #1 – Data Analysis with Python
This is the first part of Pandas tutorial series. In this tutorial we will learn, What is Pandas in Python? Why do we need Pandas in Python? How to install Pandas? How to check the version of installed Pandas? Data Science and Machine Learning rely on data; therefore, data is the new oil nowadays. We …