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16 technology winners and losers, post-COVID

The coronavirus crisis has shaken up business as usual, with some IT strategies and tools rising to the occasion and others in line for a rethink or tough recovery post-pandemic.

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Smart Go: Goroutines and channels

The Go language has goroutines to enable concurrency, and channels for efficient and easy communication between channels. Learn the basics of how they work in our video.

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Using a database ORM in Python

ORMs let you work with databases by way of a programming language's native metaphors, instead of by constructing raw database commands as strings. In this video we'll look at a simple ORM for Python, Peewee, and how it uses Python...

Do More With R [video hero/video series] - R Programming Guide - Tips & Tricks

Top R tips and news from RStudio Global 2021

See how to speed up your R code, customize your graphics, and more

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Smart Go: Arrays and slices

Learn about working with arrays and slices, two variable types Go uses to create collections of similar objects.

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Smart Go: Go's base variable types

Learn the basic variable types of the Go language: the variety of integers, the basics of strings and runes, and the way floating-point and complex numbers are expressed in Go's type system.

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Google services, apps hit by global outage

The company’s popular business apps and services, including Gmail, Docs, Workspace, Sheets and Meet were knocked offline for more than a half hour Monday morning.

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Salesforce scoops up team chat pioneer Slack for $27.7B

Slack’s popular business chat app will be integrated with Salesforce’s cloud tools, serving as the front end for its Customer 360 portfolio.

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Introduction to Go packages

The Go language has a wide variety of third-party packages available for use in your programs. Learn the basics of how to import and work with them in this video.

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Which programming language should you learn?

Selecting which programming language is most appropriate to learn can be a daunting task. While there is overlap among them, they each excel at different functions. InfoWorld senior writer Serdar Yegulalp joins Juliet to discuss the...

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Using memoization in Python

Memoizing lets you cache the output of functions when they return predictable results. Python has a built-in system for memoizing functions, lru_cache, that can speed execution of code. Learn how to make the most of lru_cache in this...

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Pyston, an alternate runtime for Python

Pyston, created originally at Dropbox, aims to speed up execution of Python programs with various acceleration techniques like just-in-time compilation ("JITting"). In this video we demonstrate Pyston's speedups -- still modest, but...

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Smart Go: Introduction to the Go language

The Go language, created by folks at Google, has been with us for a decade and been the basis for many important enterprise projects like Docker and Kubernetes. Watch a simple Go program in action to get an idea of what it's like to...

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Python 32- and 64-bit editions: What's the difference and why does it matter?

Python comes in both 32- and 64-bit editions. Which one should you choose, and what difference will it make? And if you're stuck not being able to use the optimal version, what can you do about it? (Link to the site described in...

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How Microsoft went from "Linux is a cancer." to "Microsoft Loves Linux."

It's been a long, strange trip but it's always driven by two motives: Making good products and money.

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Python for loop: How to easily iterate over collections of items

If you have a collection of items in Python, like a list or a dictionary, Python's "for" construction lets you loop through it easily and work with each element in turn. Learn the basics, and avoid a few of the pitfalls, in this video....

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Python lists: Sorting lists, either in-place or by creating new lists

Python lists can be sorted one of two ways: in-place, or by generating a new list from the old one. Learn about the mechanics of the "sorted()" function and ".sort()" method, what scenarios they're best for, and how to perform custom...

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Python lists: Slicing, or obtaining portions of lists from lists

Python's slice syntax lets you take portions of object collections, such as lists. Learn how to use slices efficiently and correctly, and avoid some of the gotchas associated with slicing.

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