Language Resources

Learn how to implement a cache LRU in Swift mobile development in this tutorial, as well as a comparison of linked lists versus arrays.

October 5, 2017

by Marco Santarossa

· 6,748 Views · 2 Likes

Connecting Netezza With Java and Python - Full Working Example

This tutorial and working example code will show you how to connect your Java or Python code samples to the Netezza database.

October 3, 2017

by Avkash Chauhan

· 26,095 Views · 4 Likes

Sneakily Throwing Exceptions in Lambda Expressions

Java 8's type inference rules leave an exploitable hole you can use to handle checked exceptions when using lambda expressions.

Updated October 3, 2017

by Grzegorz Piwowarek

· 51,023 Views · 13 Likes

When Throughput Matters - Parallel GC

This post will help you understand the uses of Parallel Collector/Throughput Collector in minor and major garbage collection (GC).

October 3, 2017

by Grzegorz Mirek

· 17,048 Views · 14 Likes

Flips: Feature Flipping for Java

Take a look at Flips, a new feature toggling library designed to be easy to use and require minimal configuration while still being customizable.

October 2, 2017

by Sarthak Makhija

· 12,168 Views · 6 Likes

A Simple Try-With-Resources Construct in Scala

Check out how to implement try-with-resources in Scala, then take a lesson in generic programming using the Shapeless library.

October 2, 2017

by Stanislav Chetvertkov

· 21,490 Views · 5 Likes

Cool SQL Optimizations That Do Not Depend on the Cost Model (Part 2)

Learn about five (more!) simple optimizations that can be implemented purely based on metadata (i.e. constraints) and the query itself.

October 1, 2017

by Lukas Eder

· 4,773 Views · 6 Likes

Reading Nested Parquet File in Scala and Exporting to CSV

In this brief, yet code-heavy tutorial, learn how to handle nested Parquet compressed content and remove certain columns of your data.

September 30, 2017

by Avkash Chauhan

· 10,484 Views · 3 Likes

Weak, Soft, and Phantom References in Java (and Why They Matter)

This breakdown of weak, soft, and phantom references explains how they impact GC and memory allocation as well as some ideal use cases.

September 30, 2017

by Uberto Barbini

· 84,706 Views · 36 Likes

Recover Deleted Data From SQL Table Using Transaction Log and LSNs

As the SQL Server database is a highly popular relational DBMS among corporate sectors and businesses, the issue of data loss is critical.

September 29, 2017

by Prashanth Jayaram

· 224,224 Views · 3 Likes

Cool SQL Optimizations That Do Not Depend on the Cost Model (Part 1)

Learn about five simple optimizations that can be implemented purely based on metadata (i.e. constraints) and the query itself.

September 29, 2017

by Lukas Eder

· 4,986 Views · 4 Likes

Visualizing H2O GBM and Random Forest MOJO Models Trees in Python

In this code-heavy tutorial, learn how to use the H2O machine library to build a decision tree model and save that model as MOJO.

September 29, 2017

by Avkash Chauhan

· 16,138 Views · 4 Likes

Lightweight JVM Diagnostics Tools and Containers

Here are the challenges with running JVM diagnostics on containerized apps and how you can get around them to get good performance data.

September 29, 2017

by Sasha Goldshtein

· 12,337 Views · 4 Likes

Aggregate Millions of Database Rows in a Spring Controller

Learn how to perform ultra-fast aggregations in Java with Spring and Speedment—even with large datasets with millions of rows.

September 28, 2017

by Emil Forslund

· 34,308 Views · 15 Likes

Creating Test Cases Using Script Mode With Katalon Studio

This tutorial will show you how to programmatically write automated test cases in script view in Katalon Studio, using Java and Groovy.

September 28, 2017

by Oliver Howard

· 10,866 Views · 10 Likes

How to Ensure the Security of Your APIs

Learn how to implement security measures for your APIs by following the steps in this detailed tutorial on defining a custom OAuth2.0 security scheme.

September 28, 2017

by Nagarjunareddy K

· 28,958 Views · 2 Likes

Benchmarking Google Cloud Spanner, CockroachDB, and NuoDB

Take a deep dive into three elastic SQL databases, all of which are pretty promising options that meet the needs of the modern data center.

September 28, 2017

by Boris Bulanov

· 12,044 Views · 4 Likes

User, Sys and Real Times in GC Log

You can never know too much about Garbage Collection in Java. Here are breakdowns of what user, sys, and real time means in your GC log.

September 28, 2017

by Grzegorz Mirek

· 15,268 Views · 16 Likes

Lambdas and Clean Code

As with the introduction of any new tool, Java 8's lambda expressions have led to odd biases and poor use. Here are some considerations to keep your code clean.

September 26, 2017

by Nicolas Fränkel

· 34,109 Views · 109 Likes

Developing a Basic Web Application Using Python

In this in-depth, code-heavy tutorial, learn how to use Python to create basic web apps. Once you know how to do this, you can make any web app to fit your needs!

September 26, 2017

by Arnny Y

· 117,557 Views · 8 Likes

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