Language Resources

Python 3: Create Sparklines Using matplotlib

I had the code to create sparklines inside a Pandas DataFrame, but I had to tweak it a bit to get it to play nicely with Python 3.6. Here's what I did.

October 6, 2017

by Mark Needham

· 8,496 Views · 2 Likes

Connecting to ODBC Data Sources in Google Apps Script

Learn how to connect to an ODBC Driver from Google Apps Script and configure the SQL Broker, and get sample scripting for processing the data in a Google Spreadsheet.

October 6, 2017

by Jerod Johnson

· 12,000 Views · 2 Likes

Java 9: Reflection and Package Access Changes

Java 1.9 does not like reflection as much as previous versions, and access to proprietary packages is not possible out of the box. Here's one way to adapt.

October 6, 2017

by Alan Richardson

· 36,524 Views · 17 Likes

Create a Data Access Object for NetSuite Data Using JDBI

Get a quick overview of how to produce a SQL Object API for NetSuite by integrating with the CData JDBC Driver for NetSuite.

October 5, 2017

by Jerod Johnson

· 3,304 Views · 2 Likes

Scripting JMeter Assertions in Groovy - A Tutorial

Learn to use JMeter™ assertions, which enable you to set the criteria to determine if a response will be considered a pass or fail in your load tests.

October 5, 2017

by Ariel Bell

· 12,166 Views · 2 Likes

How to Implement Cache LRU With Swift

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

· 6,395 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

· 25,673 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

· 50,407 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

· 16,506 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

· 11,818 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

· 21,037 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

· 10,179 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

· 82,739 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

· 222,689 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

· 15,371 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

· 11,873 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

· 33,737 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

· 10,440 Views · 10 Likes

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