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REST API (Link)

Introduction

RESTful API is an interface that two computer systems use to exchange information securely over the internet.

Components of a Restful API

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MFI - IT Course Update

FAQs: Link

Lecture 1 - 21/01/2024

• Recording: Link
• PDF: Link

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C++ Dynamic memory

Smart pointers in c++ enable automatic, exception safe, object lifetime management

• unique_ptr
• shared_ptr
• weak_ptr
• auto_ptr

Unique pointer

Smart pointer that owns and manages another object through a pointer and disposes that object the the pointer goes out of scope.

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// https://levelup.gitconnected.com/8-ways-to-measure-execution-time-in-c-c-48634458d0f9
// Ways to Measure exeuction time in c++
// 1. Using the ‘time’ Linux command (Run program with "time ./program")
// 2. Using <chrono>
// 3. With <sys/time.h> and gettimeofday()
// 4. With <time.h> and time()
// 5. Using <time.h> and clock()
// 6. With <time.h> and clock_gettime()
// 7. With <sysinfoapi.h> and GetTickCount64() (For windows)
// 8. With <processthreadsapi.h> and GetProcessTimes() (For windows)

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Fix for docker kea container restarting

export LOCAL_DIR=$(docker inspect -f '{{ .GraphDriver.Data.UpperDir }}' dhcp-kea-1)
pushd $LOCAL_DIR/run/kea/
rm kea.kea-dhcp4.pid
popd

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// To Build and Run
// g++ main.cpp -g -lgtest -lgmock
// ./a.out
// links
// https://github.com/google/googletest/blob/main/docs/gmock_cook_book.md
// https://stackoverflow.com/questions/58501850/googlemock-how-to-use-mocking-in-test
// https://qiangbo-workspace.oss-cn-shanghai.aliyuncs.com/2018-12-05-gtest-and-coverage/PlainGoogleQuickTestReferenceGuide1.pdf

#include "gtest/gtest.h"
#include "gmock/gmock.h"

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Allama Iqbal's Poetry

Baal-e-Jibril Link

Apni Jolangah Zair-e-Asman Samjha Tha Main Link

اپنی جولاں گاہ زير آسماں سمجھا تھا ميں آب و گل کے کھيل کو اپنا جہاں سمجھا تھا ميں

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https://askubuntu.com/questions/125257/how-do-i-add-an-additional-hard-drive

First you need to identified the new hard disk.

press CTRL+ALT+T to open a console then type :

lsblk You will see something similar with this:

loop0 7:0 0 86.6M 1 loop /snap/core/4486

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// To Compile & Run
// gcc -o test2 test2.c -lrdkafka -ljansson
// ./test2

#include <stdio.h>
#include <unistd.h>
#include "kafkaProducer.h"
#include <librdkafka/rdkafka.h>
#include <jansson.h>

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Hadoop comma****nds

hdfs getconf -confKey fs.defaultFS  # ( new property )  # Get namenode of hadoop****

https://data-flair.training/blogs/top-hadoop-hdfs-commands-tutorial/