I have collected ten great repositories you can find on GitHub that will definitely give you an instant knowledge boost. 1. Awesome Awesome is, without a doubt, the most popular repo that curates all topics from software development to hardware to business. It has more than 123,000 stars on Github at this moment, and one could spend days (nights) browsing it. It is my one-stop-shop if I want to learn something new. 2. List of (Advanced) JavaScript Questions This repository (13,000 stars) created by Lydia Hallie (great person, by the way, check her out on Instagram!) is awesome if you want to test your JavaScript knowledge and/or prepare for a job interview. Lydia constantly adds new questions, so this repo is growing steadily! 3. JavaScript Algorithms and Data Structures JavaScript Algorithms (59,500 stars) contains a tremendous amount of JavaScript-based examples of popular and less popular algorithms and data structures. The structure is really nice because the examples are labeled either beginner or advanced. So whether you are interested in cryptography, sorting, graphs or even machine learning (and much more), there will be something for you. 4. Clean Code JavaScript Knowing how to write clean code is a useful skill for almost every developer and mandatory in many projects and corporations. This repository (28,400 Stars) takes the concepts of Clean Code by Robert C. Martin and adapts them for JavaScript so you can use them in future work. 5. free-for.dev This great repository (30,000 stars) was created to helping developers find software (SaaS, PaaS, IaaS) and similar offerings that have free tiers. Using great software for free? Sounds awesome! There...
Adding indexes to your database tables is a great way to get some extra performance out of your application, especially if you have a large amount of data in your tables. They should be used sparingly and only on identified slow queries, as they have implications of their own such as increased table size and increased RAM usage. But those potential drawbacks are well worth it when you can get a query down from 3 seconds to 15 milliseconds with 5 minutes of work. The effects are particularly noticeable on polymorphic / many to many polymorphic relationships. The type of index created depends largely on the relationship type and the content structure. Creating indexes in Laravel Adding indexes to your tables in Laravel is very straightforward. In your migrations you can add: See the Laravel documentation on indexes for more info. One to one / one to many relationships One to one and one to many relationships primarily work through foreign keys. Say we have 2 tables, users and addresses, where each user can have one address (one to one), the foreign key would be the user_id column on the addresses table. The same can be said for if a user can have multiple addresses (one to many). For each of your foreign keys in your migration, you should let your database know that they are indeed foreign keys: You also get some extra benefits out of this by using foreign key constraints which will ensure data integrity, i.e. making sure you don’t delete a profile which is being used by a user. By default, MySQL using the InnoDB...
React Native has been one of the groundbreaking players in the hybrid development game. Since its inception back in 2015, the technology has come a long way. My professional experience in developing mobile apps with React Native started two years ago and since then I’ve worked on a number of projects using the framework – from MVPs to legacy applications. While the former was just about utilizing rapid prototyping, the latter required the implementation of many functionalities – payment integrations, GPS fore-/background tracking, unit and e2e tests. Based on my experience with React Native and the multitude of articles and information about the technology’s redeeming qualities, this article investigates the technology’s shortcomings that both businesses and developers need to be aware of. Key Advantages of React Native Before diving deep into the challenges, let us look at the major pros for choosing React Native for your mobile project: When I initially started working with React Native, I had the impression that it is too good to be true. The mobile technology does work exactly as advertised, but this does come at a price in the mid/long term. The cons of using React Native are not as clear from the get-go. That is why the following paragraphs are going to elaborate on why React Native requires more scrutiny when considering it as a possible route for your next project. React Native Limitations Understanding the limitations of React Native before you start developing your mobile app is extremely important. Read on to learn the challenges I have faced and how I dealt with them. Dynamic typing Javascript’s dynamic style of typing...
HARTFORD, CT – Following the devastating and debilitating cyber-attack of United States energy infrastructure and Connecticut Department of Motor Vehicles (DMV) functions raised alarming concern about national and state preparedness against online and computer sabotage. The recent report from the U.S. Secretary of Energy on the shut down and eventual reopening of the Colonial Pipeline that provides critical oil resources for the national economy, Sen. Tony Hwang (R-28) offers the following statement on the hacking and shutdown of the pipeline and the looming potential of future attacks. “The hacking of the Colonial pipeline presents an existing and pervasive vulnerability in our national cybersecurity. These kinds of demonstrated threats have to be taken seriously. It is jarring that an internet-based attack from unknown hackers or even more dangerous potential terrorist acts can make such a major impact on access to vital resources critical to our national security and economic functionality. “What could be next? Military Contractors? Utility Companies? Banking information? Personal financial information? Individuals’ medical data? With so much more happening and dependent on the internet and cybertechnology, there is too much at stake. “In 2019, as the ranking Senate leader in the Public Safety Committee, I proposed Senate Bill 709 to create a task force dedicated to a comprehensive and cooperative approach to cybersecurity 1) within and across state government including military, judicial and administrative services, 2) through relationships with neighboring states and with the federal government, 3) in coordination with the corporate community and broader business sector, and 4) to protect individual data privacy and application security for Connecticut residents. “This is an absolutely critical issue for the State of Connecticut and...
There were developers who always harboured doubts and scepticism about the cross-platform development frameworks. There was a time when any iOS and Android app development company used to underestimate the power of cross-platform technologies and instead always held native development in high esteem. All such notions have changed thanks to this robust and most developer-friendly framework called React Native. Now, a React Native developer with exposure across niche apps experiences more demand than native developers. This is because the framework really transformed the way we conceive cross-platform app development. Obviously, the framework has its own share of pros and cons as well. For developing Android apps the framework boasts of some peculiarities that need to be taken into consideration. As a cross-platform developer, you need to have a clear idea of the pros and cons of this framework for building applications on React Native platform. Let us have a look at them in brief before moving over to the reasons to use this framework in more details. -> Pros React Native is a leading cross-platform development framework with a lot of competitive advantages for the developers and the overall app quality. Before you hire android app developer for your next development project, it is important to be aware of the crucial advantages of React Native framework. Here are some of the key pros that go in favour of React Native. React Native comes with the lowest learning curve and this helps in faster development and time to market apart from the cost advantage through low-cost hiring of developers. React Native offers great reusability of the code for building apps...
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