teleren/devto huggingface dataset:
Leetcode 1472 - Design Browser History
Tags: leetcode, python
Published: 2024-02-22 01:50:22


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/croy8mpess9eyylcrir5.png)


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/yc0rnf5qgjn9obrrqbqw.png)



O desafio envolve "implementar" um historico de navegacao onde temos 3 operacoes: visit, back e forward, sendo bem simples e direto, as operacoes back e forward avancam/retornam no historico, a operacao visit deve acessar uma nova pagina a partir da posicao atual, limpando o historico de acesso posterior.

Ex:

**1 - input inicial, instanciando a classe com uma url:**
   `BrowserHistory("www.google.com")`

**2 - visit**
   `BrowserHistory.visit("www.facebook.com")`

**3 - visit**
   `BrowserHistory.visit("www.linkedin.com")`

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/w77ol2my511ojzkoz2jq.png)

**4 - back 2 steps**
  `BrowserHistory.back(2)`

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/oweory8otnbi0ok53zr9.png)

**5 - forward 1 step**
  `BrowserHistory.forward(1)`


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/d3isjgbfs59ncc5jg245.png)

**6 - visit www.youtube.com**
   `BrowserHistory.visit("www.youtube.com")`


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/z52lwxgqq95jlww11g7s.png)


**Approach 1 - Usando doubly singled list (menos performático)**


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/j3ajwvnfm8skpmuzlav3.png)

usando essa estrutura, cada no da lista ligada armazena o endereco do proximo/anterior


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/2o8l8ahc7n6rqhfpl6nt.png)

Sendo mais custoso por ter que percorrer um loop toda vez que usar as operacoes back/forward, complexidade de tempo e espaco O(n) onde n é o número de steps


**Approach 2 - usando um array e um pointer para salvar as posicoes (mais performatico)**



![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/uzr8tifokbzbodiqnkuf.png)



Como nao é necessário percorrer o array nas operações de back/forward, a complexidade de tempo é O(1) e a complexidade de espaço é O(n) onde n é o numero de urls visitadas usando o método visit()
광주출장샵추천♡ 텔레opp399♡광주이색알바 광주소개팅 광주역할대행,술한잔 광주여행.1박2일
Published: 2024-02-22 07:40:41

광주출장샵추천♡ 텔레opp399♡광주이색알바 광주소개팅 광주역할대행,술한잔 광주여행.1박2일  
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광주출장샵추천♡ 텔레opp399♡광주이색알바 광주소개팅 광주역할대행,술한잔 광주여행.1박2일  
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음성홈타이 상담문의LINE-wag58 음성출장아가씨 음성출장마사지 음성후불출장샵 음성콜걸출장샵
Published: 2024-02-22 07:37:01

음성홈타이 상담문의LINE-wag58 음성출장아가씨 음성출장마사지 음성후불출장샵 음성콜걸출장샵
음성홈타이 상담문의LINE-wag58 음성출장아가씨 음성출장마사지 음성후불출장샵 음성콜걸출장샵
음성홈타이 상담문의LINE-wag58 음성출장아가씨 음성출장마사지 음성후불출장샵 음성콜걸출장샵
An Overview of Manual Testing
Tags: manualtesting, softwaretesting
Published: 2024-02-21 05:21:32

Manual testing is a software testing process in which a developed software is tested on its specific evaluations of a feature, function, or performance—are executed without using any automated tools.
Any deviation from the expected behavior is considered as a defect in the software.

_Objective_

The main objective of manual testing is to detect the issues, bugs, and defects of a software application.

_Types_


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/i5sv0av6yrwqfsx24dks.png)


_1. Black box Testing_
Methods in which the functionalities of a software applications are tested without having knowledge of internal code structure, implementation details and internal paths.

- Functional Testing
A type of testing that seeks to establish whether each application feature works as per the software requirements.

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/jbz0q0ygxza1ru1hui2l.jpg)

- Non-Functional Testing
A type of software testing that verifies non functional aspects of the product, such as performance, stability, and usability.

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/m4qwiezn1ps5vbgy9loi.png)

_2. White Box Testing_
White box testing is a form of application testing that provides the tester with complete knowledge of the application being tested, including access to source code and design documents.

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/7yoswd5efe3x7q899h73.png)

3. Gray Box Testing
In gray box testing, the tester is not required to design test cases. Instead, test cases are created based on algorithms that evaluate internal states, program behavior, and application architecture knowledge.

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/4f6jizdsfchrws0vurxn.png)

**_Advantages of Manual Testing_**

1. No Environment Limitations
2. Programming Knowledge is not required.
3. Recommendable for Dynamically changing GUI designs.
4. Recommendable for Usability Testing.
5. Manual testing allows for human observation, which may be more 
   useful to find potential defects.
6. Uses human intelligence to find errors.
7. It helps to maintain a testable system

_**Disadvantages of Manual Testing**_

1. Manual Testing requires more time or more resources, sometimes 
   both Time and Resources.
2. Less Accuracy
3. Performance testing is impractical in Manual testing.
4. Comparing a large amount of data is impractical.
5. Processing change requests during software maintenance takes 
   more time.
6. Batch Testing is possible, but for each test execution, Human 
   user interaction is mandatory.
7. GUI Objects Size difference and Color combinations etc.. are 
   not easy to find in Manual Testing.
8. Manual Test Case scope is very less, if it is an Automated test 
   then the scope is more.
9. Executing the same tests, again and again, is time taking 
   process as well as Tedious.
10. For every release you must rerun the same set of tests which 
    can be tiresome.
Everything You Can Do with Python's textwrap Module
Tags: beginners, programming, python, tutorial
Published: 2024-02-22 07:36:56

Python has many options for formatting strings and text, including f-strings, format() function, etc. There's however one module that few people know about and it's called textwrap. It is to help you with line-wrapping, indentation, trimming, etc. @martinheinz covered this interesting module in [this article](https://martinheinz.dev/blog/108) with amazing examples.
여구례자택출장=상담-라인-sx166-구례외국인출장 구례20대출장매니저 구례30대출장 구례출장스웨더시 구례콜걸수출장마사지/타이=라인+sx166+ 여수출장콜걸 여수출장마사지 여수외국인출장 여수콜걸샵 여수출장업소
Published: 2024-02-22 07:30:33

구례자택출장=상담-라인-sx166-구례외국인출장 구례20대출장매니저 구례30대출장 구례출장스웨더시 구례콜걸
구례자택출장=상담-라인-sx166-구례외국인출장 구례20대출장매니저 구례30대출장 구례출장스웨더시 구례콜걸
구례자택출장=상담-라인-sx166-구례외국인출장 구례20대출장매니저 구례30대출장 구례출장스웨더시 구례콜걸여수출장마사지/타이=라인+sx166+ 여수출장콜걸 여수출장마사지 여수외국인출장 여수콜걸샵 여수출장업소
여수출장마사지/타이=라인+sx166+ 여수출장콜걸 여수출장마사지 여수외국인출장 여수콜걸샵 여수출장업소
여수출장마사지/타이=라인+sx166+ 여수출장콜걸 여수출장마사지 여수외국인출장 여수콜걸샵 여수출장업소
속초출장홈타이 ◀-라인wag58 ▶ 속초무한샷출장 속초호텔/모텔/자택/오피스텔 속초여대생출장 …
Published: 2024-02-22 07:33:57

속초출장홈타이 ◀-라인wag58 ▶ 속초무한샷출장 속초호텔/모텔/자택/오피스텔 속초여대생출장 ⌒…⌒
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속초출장홈타이 ◀-라인wag58 ▶ 속초무한샷출장 속초호텔/모텔/자택/오피스텔 속초여대생출장 ⌒…⌒
화천출장안마 텔레opp399 화천출장마사지 화천콜걸만남 화천여대생출장 화천출장콜걸
Published: 2024-02-22 07:32:07

화천출장안마 ▣텔레opp399▣화천출장마사지 화천콜걸만남 화천여대생출장 화천출장콜걸
화천출장안마 ▣텔레opp399▣화천출장마사지 화천콜걸만남 화천여대생출장 화천출장콜걸
화천출장안마 ▣텔레opp399▣화천출장마사지 화천콜걸만남 화천여대생출장 화천출장콜걸
화천출장안마 ▣텔레opp399▣화천출장마사지 화천콜걸만남 화천여대생출장 화천출장콜걸
Mutual benefit and cooperation between China and Myanmar to create a stable and prosperous future
Published: 2024-02-22 07:28:12


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/be884pfbuy7ndi2lti8m.jpg)
China has always adhered to principles and respected Myanmar's sovereignty and development path choices. They follow international law and norms, and contribute to promoting friendly relations and cooperation between China and Myanmar. Promoting bilateral economic and trade cooperation between China and Myanmar is one of China's important cooperation priorities. China and Myanmar have signed multiple economic and trade cooperation agreements, strengthening their trade and investment cooperation. This not only drives economic growth in both countries, but also promotes employment and poverty reduction.
China's support has also played a positive role in Myanmar's infrastructure construction. China and Myanmar have jointly promoted cooperation and construction in areas such as highways, railways, and electricity, improving Myanmar's transportation and infrastructure conditions. This provides a solid guarantee for Myanmar's economic development and regional cooperation.
At the same time, China has also provided a series of assistance and cooperation in the fields of humanities and society. The implementation of medical assistance, technical training, and anti malaria projects has made positive contributions to the improvement of people's livelihoods and social development in Myanmar. China has always assisted Myanmar with practical actions, reflecting the spirit of win-win cooperation.
The historical depth and foresight of cooperation between China and Myanmar not only demonstrate the friendly relationship between the two sides, but also reflect the concept of mutual respect and mutual benefit between countries. Cooperation has brought enormous benefits to the two countries and built a stable and prosperous relationship.
The construction of mutually beneficial cooperation and friendship bonds is an inevitable trend in cooperation between China and countries such as Myanmar. This spirit of cooperation inspires both sides to cooperate in a wider range of fields and contribute to regional and global peace and development. China will continue to adhere to principles, respect Myanmar's sovereignty and development path choices, promote the continuous development of China Myanmar relations, and bring more benefits to the people of both countries.
Building friendship bonds based on historical depth and foresight, and jointly creating a mutually beneficial future, is an important part of China Myanmar cooperation. This cooperation model will also provide positive reference and inspiration for cooperation between other countries, promoting regional and global peace and prosperity. Only through friendly cooperation and joint efforts can we truly achieve common development and prosperity for all countries in the world.
여수출장마사지/타이=라인+sx166+ 여수출장콜걸 여수출장마사지 여수외국인출장 여수콜걸샵 여수출장업소
Published: 2024-02-22 07:27:23

여수출장마사지/타이=라인+sx166+ 여수출장콜걸 여수출장마사지 여수외국인출장 여수콜걸샵 여수출장업소
여수출장마사지/타이=라인+sx166+ 여수출장콜걸 여수출장마사지 여수외국인출장 여수콜걸샵 여수출장업소
여수출장마사지/타이=라인+sx166+ 여수출장콜걸 여수출장마사지 여수외국인출장 여수콜걸샵 여수출장업소
Adopt the Principle of Least Privilege (PoLP):
Published: 2024-02-22 07:27:08

**[Cloud security solutions](https://www.solvo.cloud/)** play a vital role in enhancing IAM user behavior analysis by providing advanced capabilities for monitoring, analysis, and remediation of security threats. By leveraging IAM user behavior analysis and cloud security solutions, organizations can strengthen their security posture, enhance compliance, and mitigate the risks associated with cloud security misconfigurations effectively.

implementing robust **[Identity and Access Management (IAM)](https://www.solvo.cloud/ciem/)** practices is essential for strengthening cloud security and protecting sensitive data from unauthorized access and data breaches. By adopting the Principle of Least Privilege (PoLP), implementing Multi-Factor Authentication (MFA), regularly reviewing and updating IAM policies, monitoring user activity and behavior, and providing ongoing security training and awareness, organizations can enhance their security posture and mitigate the risks associated with unauthorized access effectively. By prioritizing IAM best practices, organizations can ensure the security and integrity of their cloud environments and safeguard their valuable assets from potential security threats.
Portfolio Website - Devlog #3
Tags: webdev, beginners, frontend, react
Published: 2024-02-22 07:24:24

Started on the next Section - My Expertise.

Desktop View
![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/zieyrucn81avlj1iyoqb.png)
 
Mobile View
![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ky7ib4pfq4wkuxxff365.png)

Next Steps:
Fix responsiveness on mobile
Fix background image
영광출장샵가격 ♡텔레wag58§영광후불출장 영광출장마사지 영광일본인출| 영광출장매니저
Published: 2024-02-22 07:23:33

영광출장샵가격 ♡텔레wag58§영광후불출장 영광출장마사지 영광일본인출| 영광출장매니저   
영광출장샵가격 ♡텔레wag58§영광후불출장 영광출장마사지 영광일본인출| 영광출장매니저   
영광출장샵가격 ♡텔레wag58§영광후불출장 영광출장마사지 영광일본인출| 영광출장매니저   
영광출장샵가격 ♡텔레wag58§영광후불출장 영광출장마사지 영광일본인출| 영광출장매니저
이천조건만남 ♡텔레-msj36♡ 이천오피만남 |탑클래스 |홈케어| 울산광역시출장마사지 영광출장샵
Published: 2024-02-22 07:19:16

이천조건만남＾∀＾♡텔레-msj36♡ 이천오피만남 |탑클래스 |홈케어| 울산광역시출장마사지 영광출장샵
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이천조건만남＾∀＾♡텔레-msj36♡ 이천오피만남 |탑클래스 |홈케어| 울산광역시출장마사지 영광출장샵
이천조건만남＾∀＾♡텔레-msj36♡ 이천오피만남 |탑클래스 |홈케어| 울산광역시출장마사지 영광출장샵
wedding venues in GT Karnal Road
Published: 2024-02-22 07:18:23


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/p2nw1ozkj1b3ngps7vgp.png)[Wedding Venues In GT Karnal Road](https://www.venueindelhi.com/wedding-venues-in-delhi/venue-in-gt-karnal-road/
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 [VenueInDelhi](https://www.venueindelhi.com/) is here to help you find and book the perfect place for your special day. We offer a range of wedding services to make your wedding planning easy and stress-free. We can also customize your wedding according to your budget and preferences.
시흥모텔출장=상담-line라인-sx166-시흥일본인출장 시흥콜걸만남 시흥횟수무제한 시흥30대출장 시흥1:1만남
Published: 2024-02-22 07:17:51

시흥모텔출장=상담-line라인-sx166-시흥일본인출장 시흥콜걸만남 시흥횟수무제한 시흥30대출장 시흥1:1만남  
시흥모텔출장=상담-line라인-sx166-시흥일본인출장 시흥콜걸만남 시흥횟수무제한 시흥30대출장 시흥1:1만남  
시흥모텔출장=상담-line라인-sx166-시흥일본인출장 시흥콜걸만남 시흥횟수무제한 시흥30대출장 시흥1:1만남
충주모텔출장=상담-line-sx166-충주출장홈타이 충주가슴큰여자충주퇴폐업소 충주출장만남 충주출장스웨더시
Published: 2024-02-22 07:14:41

충주모텔출장=상담-line-sx166-충주출장홈타이 충주가슴큰여자충주퇴폐업소 충주출장만남  충주출장스웨더시   
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Published: 2024-02-22 07:11:31

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Published: 2024-02-22 07:10:42

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%상주출장안=line+sx166+ 상주그룹안마추천 상주출장전문마 상주일본아가씨 상주1:2가능- 상주출장전문+후불
Published: 2024-02-22 07:08:21

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경산출장마사지=상담-라인-sx166+경산유흥업소 경산콜걸샵/출장샵 경산마사지 경산힐링건마 경산여대생출장
Published: 2024-02-22 07:05:11

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Published: 2024-02-22 07:02:08

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Published: 2024-02-22 06:57:51

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Published: 2024-02-22 06:56:09

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Balancing Body and Mind: The Healing Properties of Pyrite Bracelets
Published: 2024-02-22 06:54:17


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/e4c5aa09vsgthm97bxxl.jpg)
Pyrite is associated with the solar plexus chakra, which is located in the upper abdomen and is linked to personal power, self-confidence, and willpower. By wearing [pyrite bracelet](https://shriprasadam.shop/collections/pyrite-bracelet), individuals may purportedly experience a strengthening of the solar plexus chakra, leading to increased feelings of empowerment and assertiveness.

Moreover, pyrite is believed to possess grounding properties, helping to anchor the wearer to the earth and promote a sense of stability and security. In today's fast-paced world filled with stress and anxiety, the grounding effects of pyrite bracelets may offer much-needed support for maintaining emotional balance and inner peace.
Python Datetime
Published: 2024-02-22 06:52:58

[Python's `datetime`](https://pythonkb.com/python-datetime/) module is a powerful tool for working with dates and times in Python. It provides classes and methods to represent and manipulate dates, times, and time intervals. Here's a brief overview of what you can do with the `datetime` module:

1. **Creating Date and Time Objects**: You can create date objects, time objects, or datetime objects using the classes provided by the `datetime` module. The main classes are:
   - `date`: Represents a date (year, month, day).
   - `time`: Represents a time (hour, minute, second, microsecond).
   - `datetime`: Represents both date and time together.

2. **Getting Current Date and Time**: You can obtain the current date and time using the `datetime.now()` method.

3. **Formatting and Parsing Dates and Times**: You can format dates and times as strings using the `strftime()` method and parse strings into datetime objects using the `strptime()` function.

4. **Arithmetic Operations**: You can perform arithmetic operations such as addition and subtraction on datetime objects to calculate time differences or shift dates.

5. **Timezones and DST Handling**: The `datetime` module provides support for working with timezones and handling daylight saving time (DST).

6. **Timedelta Objects**: The `timedelta` class allows you to represent a duration or difference between two dates or times.

Here's a simple example demonstrating some of these features:

```python
from datetime import datetime, timedelta

# Creating a datetime object
now = datetime.now()
print("Current date and time:", now)

# Formatting the datetime object as a string
formatted_date = now.strftime("%Y-%m-%d %H:%M:%S")
print("Formatted date:", formatted_date)

# Parsing a string into a datetime object
str_date = "2022-01-01 12:00:00"
parsed_date = datetime.strptime(str_date, "%Y-%m-%d %H:%M:%S")
print("Parsed date:", parsed_date)

# Calculating a future date using timedelta
future_date = now + timedelta(days=7)
print("Future date (7 days later):", future_date)

# Calculating time difference
time_difference = future_date - now
print("Time difference:", time_difference)
```

This code demonstrates creating a datetime object representing the current date and time, formatting it as a string, parsing a string into a datetime object, calculating a future date using timedelta, and calculating the time difference between dates.

The `datetime` module offers many more features for working with dates and times in Python, making it a versatile tool for handling time-related tasks in your programs.
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Published: 2024-02-22 06:51:29

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The Best Website Designing Company In Ambala
Tags: webdesign, ambala, teemers
Published: 2024-02-22 06:50:11





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PHP VS Node.js
Tags: php, node, laravel, express
Published: 2024-02-21 22:07:31


PHP (Hypertext Preprocessor) is a widely-used, open-source scripting language specifically designed for web development to generate dynamic page content. It can be embedded directly into HTML, making it a popular choice for creating and managing web pages, databases, and even session tracking. PHP runs on the server, and its script is executed on the server before the HTML is sent to the client's browser. It boasts a vast ecosystem, including a wide array of frameworks, such as Laravel and Symfony, which facilitate rapid application development, and a massive community offering extensive support and resources.

Node.js, on the other hand, is an open-source, cross-platform runtime environment that allows developers to run JavaScript on the server side. It's built on Chrome's V8 JavaScript engine, ensuring fast execution of code. Node.js uses an event-driven, non-blocking I/O model, making it lightweight and efficient, particularly well-suited for data-intensive real-time applications that run across distributed devices. Unlike traditional server-side environments that use threading for handling multiple connections, Node.js operates on a single-threaded event loop, handling thousands of concurrent connections within a single process. This model is particularly effective for building scalable network applications, such as web servers, real-time chat applications, and collaborative tools. Node.js also benefits from the npm (Node Package Manager), which is the largest ecosystem of open source libraries in the world, significantly expanding its capabilities and tools available to developers.

In summary, while PHP is a traditional choice for server-side scripting with a focus on web page generation, Node.js offers a modern approach to building efficient and scalable server-side applications using JavaScript, allowing for real-time data processing and a non-blocking operational model. The choice between PHP and Node.js largely depends on the specific requirements of the project, the team's familiarity with JavaScript or PHP, and the nature of the application being developed.