Lasso Developer Hiring Guide

Hiring Guide for Lasso Engineers

Ask the right questions to secure the right Lasso talent among an increasingly shrinking pool of talent.

Lasso is a high-level, interpreted scripting language that was initially developed by Kyle Jessup in 1995. It is primarily used for web development, particularly for creating dynamic, data-driven websites. Lasso is known for its speed and efficiency, as well as its seamless integration with SQL databases and HTML. It was one of the first programming languages to integrate directly with a web server (Source: "Lasso Programming" by N. Lewis). Today, Lasso remains a popular choice among developers due to its flexibility and ease of use.

First 20 minutes

General Lasso knowledge and experience

The next 20 minutes of the interview should attempt to focus more specifically on the development questions used, and the level of depth and skill the engineer possesses.

What are the data types supported by Lasso?

Lasso supports several data types including integer, float, string, date, time, boolean, array, and map.

How would you create a custom tag in Lasso?

To create a custom tag in Lasso, you need to define it using the 'define_tag' function. You can then use this tag in your code by calling it with the 'call_tag' function.

Describe the difference between Lasso and PHP.

Lasso is a language specifically designed for web development, while PHP is a general-purpose scripting language. Lasso has a more intuitive syntax and is easier to learn for beginners. On the other hand, PHP has a larger community and more resources available.

What are the main features of Lasso?

Lasso has several features such as data-driven web pages, custom tags, inline coding, and support for various databases. It also has a built-in security system and supports multiple programming paradigms.

How would you install Lasso on a server?

First, you need to download the Lasso installer from the official website. Then, run the installer and follow the instructions. After the installation, you need to configure the server settings according to your requirements.

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What youre looking for early-on

Does the candidate show a willingness to learn and adapt?

Technology is always evolving, so it's important for developers to be able to learn and adapt to new tools and techniques.

Has the candidate shown an ability to work well in a team?

Most development projects require teamwork, so it's important that they can collaborate effectively with others.

Does the candidate have experience with other programming languages?

While Lasso is the main focus, having a broader understanding of other languages can be beneficial in certain situations.

Has the candidate demonstrated good communication skills?

Communication is key in any role, but especially in a developer position where they may need to explain complex concepts to non-technical team members.

Is the candidate able to problem solve and troubleshoot effectively?

This is important for any developer role as it demonstrates their ability to overcome challenges and find solutions.

Does the candidate have a strong understanding of Lasso and its applications?

This is crucial as it shows they have the necessary knowledge and skills to perform in the role.

Next 20 minutes

Specific Lasso development questions

The next 20 minutes of the interview should attempt to focus more specifically on the development questions used, and the level of depth and skill the engineer possesses.

How would you connect to a database in Lasso?

To connect to a database in Lasso, you need to use the 'database' function. You need to provide the database type, host, database name, username, and password as parameters.

Describe the difference between 'map' and 'array' in Lasso.

'map' is a collection of key-value pairs, while 'array' is a collection of values. 'map' is useful when you need to associate values with keys, while 'array' is useful when you only need to store values.

What are the advantages of using Lasso over other web development languages?

Lasso has several advantages such as a simple and intuitive syntax, support for various databases, built-in security features, and the ability to create data-driven web pages. It also supports multiple programming paradigms.

How would you handle errors in Lasso?

Lasso provides several functions for error handling such as 'try', 'catch', and 'finally'. You can use these functions to catch and handle errors in a controlled manner.

Describe the difference between 'find' and 'findall' in Lasso.

'find' returns the first match for a given condition, while 'findall' returns all matches. 'find' is more efficient if you only need the first match, while 'findall' is necessary when you need to process all matches.

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The ideal back-end app developer

What you’re looking to see on the Lasso engineer at this point.

A skilled Lasso engineer should demonstrate proficiency in Lasso language and related technologies, problem-solving abilities, and excellent communication skills. Red flags include lack of detailed knowledge, inability to solve presented problems, and poor communication or team collaboration skills.

Digging deeper

Code questions

These will help you see the candidate's real-world development capabilities with Lasso.

What does the following Lasso code do?

local(x = 'Hello World')
output(x)

This code declares a local variable 'x' and assigns the string 'Hello World' to it. Then it outputs the value of 'x', which is 'Hello World'.

What will be the output of the following Lasso code?

local(x = 10, y = 20)
output(x + y)

This code declares two local variables 'x' and 'y', assigns 10 to 'x' and 20 to 'y', then outputs the sum of 'x' and 'y'. The output will be 30.

What does the following Lasso code do?

local(arr = array(1, 2, 3, 4, 5))
output(arr->size)

This code declares a local variable 'arr' and assigns an array of five elements to it. Then it outputs the size of the array 'arr', which is 5.

What does the following Lasso code do?

thread
{
  loop(10000, 'counter')
  {
    output('counter')
  }
}

This code creates a new thread and runs a loop 10000 times inside it. In each iteration, it outputs the current iteration number. The 'counter' keyword is a built-in variable that holds the current iteration number.

What does the following Lasso code do?

define myClass::myMethod -> 'Hello World'
local(obj = myClass)
output(obj->myMethod)

This code defines a method 'myMethod' in the class 'myClass' that returns the string 'Hello World'. Then it creates an object 'obj' of 'myClass' and outputs the result of calling 'myMethod' on 'obj', which is 'Hello World'.

What will be the output of the following Lasso code?

define myClass::myMethod(a, b) => a + b
local(obj = myClass)
output(obj->myMethod(10, 20))

This code defines a method 'myMethod' in the class 'myClass' that takes two parameters and returns their sum. Then it creates an object 'obj' of 'myClass' and outputs the result of calling 'myMethod' on 'obj' with arguments 10 and 20. The output will be 30.

Wrap-up questions

Final candidate for Lasso role questions

The final few interview questions for a Lasso candidate should typically focus on a combination of technical skills, personal goals, growth potential, team dynamics, and company culture.

Describe the difference between 'local' and 'global' variables in Lasso.

'local' variables are only accessible within the function where they are defined, while 'global' variables are accessible throughout the entire program. 'local' variables are generally preferred to avoid side effects and make the code easier to understand and debug.

What are the best practices for Lasso development?

Some best practices for Lasso development include following the DRY (Don't Repeat Yourself) principle, writing modular and reusable code, using version control, and writing tests for your code. It's also important to keep up with the latest Lasso updates and features.

How would you optimize a Lasso application for performance?

To optimize a Lasso application for performance, you can use techniques such as caching, database optimization, and code optimization. You can also use profiling tools to identify bottlenecks in your application.

Describe the difference between 'include' and 'require' in Lasso.

'include' imports a file and continues execution even if the file does not exist, while 'require' stops execution if the file does not exist. 'require' is generally used for important files that the program cannot run without.

What are the security features provided by Lasso?

Lasso provides several security features such as input validation, output encoding, CSRF protection, and SQL injection prevention. It also has a built-in user authentication system.

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Lasso application related

Product Perfect's Lasso development capabilities

Beyond hiring for your Lasso engineering team, you may be in the market for additional help. Product Perfect provides seasoned expertise in Lasso projects, and can engage in multiple capacities.