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Url shortener in node.js

Hello. In this tutorial, we will take a look at implementing the url shortener in the nodejs application with the help of mongodb. I will be using the mlab portal for creating and managing the mongodb. 1. Introduction These days remembering the short urls is quote a trend as people do not like to remember the big long urls for ...

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AWS Cloud Essentials Course

Boost Your Earning Potential in Just One Hour with this Crash Course in AWS Cloud Practitioner & Technical Essentials Hey fellow geeks, This week, on our JCG Deals store, we have another extreme offer. We are offering a massive 90% off on AWS Cloud Essentials Course. Get it now with only $19,99 instead of the original price of $200. Are ...

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Java Hashtable, HashMap, ConcurrentHashMap – Performance impact

There are a good number of articles that articulate functional differences between HashMap, HashTable and ConcurrentHashMap. This post compares the performance behavior of these data structures through practical examples. If you don’t have patience to read the entire post, here is bottom line: When you confront with the decision of whether to use HashMap or HashTable or ConcurrentHashMap, you can ...

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How to Handle an External API Call Error in Workflows

The Okta Workflows team holds weekly community office hours where you can ask questions about workflows, uses cases, and share what you are working on. I’m publishing some of questions and answers from the office hours as I believe they are extremely valuable how-to’s. On to the question. How to handle an external API call error in Workflows? When calling ...

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Queue Processing Considerations

Overview We may choose to use a queue to link parts of our process together. There are a few reasons for that: Delay non-urgent processing until laterAttempt to guarantee the execution of an action that may failScale the processing of a source of work by having multiple executors consuming the queueDecouple an action from the event that triggers it There ...

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Best Coding Languages for Trading Bots

Crypto traders who are considering creating their own trading bots or customizing existing trading bots regularly ask which coding language is best for algorithmic trading. The answer is always, “it depends.” This answer may frustrate new bot traders, but there is no other answer to the question. “It depends” is the best answer because the best coding language depends on ...

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