ReSharper Ultimate 2017.2.1

We’ve just released a bug-fix update to the ReSharper Ultimate product family: check out ReSharper Ultimate 2017.2.1.

  • ReSharper 2017.2.1 fixes a few bugs in code completion, including a nasty bug in replace code completion with Tab (RSRP-466079, RSRP-466137); removes bogus red code in .NET Core applications that reference .NET Framework 4.7 or 4.6.2 assemblies (RSRP-466025); addresses a performance issue in navigation (RSRP-465988). Overall, ReSharper 2017.2.1 contains 50+ fixes.
  • ReSharper C++ 2017.2.1 fixes problems related to formatting, including ClangFormat-based formatting, as well as inconsistent naming inspections and their corresponding quick-fixes. There’s also a new code inspection available, Parameter may be const. Here’s the list of all fixes in ReSharper C++ 2017.2.1.
  • dotMemory 2017.2.1 improves its way of processing memory dumps that it can now import (all dotMemory fixes), and the new dotCover polishes its code highlighting (all dotCover fixes). Finally, around 20 assorted fixes are available in dotTrace 2017.2.1.

Go ahead and download ReSharper Ultimate 2017.2.1.

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Improved continuous testing performance in dotCover 2017.2

Continuous testing (CT) is a super-helpful feature but only under one condition: sufficient performance. Unfortunately, in dotCover 2017.1 and earlier, CT could be a real pain on large and very large solutions (30+ projects). The problem lies in three performance-critical phases of CT (actually, this is true not only for CT but for all tests run under coverage), which are:

  1. Coverage process startup.
  2. Test execution (could be much slower than usual due to the additional statement-level instrumentation).
  3. Post-processing of coverage snapshots.

In 2017.1 and earlier, (3) was the worst performing phrase because multiple coverage processes running in the background created as many coverage snapshots. Even though coverage time wasn’t too big, the merging of subsequent snapshots was very slow due to the snapshot format. On real solutions, post-processing could take up to several minutes (and prevented running tests during that time).

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Interactive tutorials are part of ReSharper 2017.2

A while ago, along with ReSharper 2016.3, we released a plugin that added a set of interactive tutorials to ReSharper.

Starting with 2017.2, the tutorials are not a plugin anymore but an integral part of ReSharper.

  1. Select ReSharper | Help | Tutorials…
  2. Choose a tutorial and click Run.
  3. Follow the steps suggested.

ReSharper interactive tutorials

There are some differences compared to the latest available plugin v.0.9.13:

  • First of all, existing tutorials are much more polished.
  • Bug fixes. Lots of them.
  • New content: take the What’s New in ReSharper 2017.2 tutorial to learn about the key C# features added in that release.

Tutorials will now be updated on a regular basis. With each new ReSharper release, you will find a new tutorial that overviews the latest features. So now, every time you update your ReSharper instance, make sure to check out ReSharper | Help | Tutorials…

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Null checking improvements in ReSharper 2017.2

Null checking is a very common task that ReSharper has always been helping to automate. Since the very first versions, ReSharper users had a whole bunch of context actions and quick-fixes at their disposal, such as Check parameter for null, Assert expression is not null and Check variable for null.

As we’re constantly improving the coding experience, we made a number of changes in previous releases: we extended the Check parameter for null action to check all parameters at once and also added an option to insert null checks when generating a constructor. ReSharper 2017.2 advances null checking even further. Let’s see!

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Improved XML documentation support in ReSharper and Rider

Having code with XML documentation is great, as it allows generating nice API documentation and provides useful help while writing code:

XML documentation class and parameter info

ReSharper 2017.2 and Rider 2017.2 EAP give us more tooling to organize XML documentation across inheritance hierarchies.

When creating a class library that provides XML documentation, we can make use of the element to inherit documentation from a base class or an interface. Consider the following code:

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IEnumerable inspections and quick-fixes in ReSharper and Rider

ReSharper and Rider continuously analyze the code we’re working on and help us detect errors and problems early on. They provide suggestions and hints as well, and for many of the 2300+ code inspections that are available, quick-fixes exist to automatically resolve detected issues. ReSharper 2017.2, as well as the Rider 2017.2 EAP, introduce several new code inspections and quick-fixes that help us write better code. Let’s have a look.

IEnumerable – Possible multiple enumeration

The Possible multiple enumeration of IEnumerable code inspection has been around for a while. It helps making sure we’re not enumerating a collection twice – something which could lead to excess work of a database or even to mutated state and strange results. ReSharper 2017.2 adds support for IOrderedEnumerable and ParallelQuery, next to the already existing inspection for IEnumerable. Let’s look at what it does.

Consider the following code snippet:

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Rider 2017.2 EAP brings .NET Core 2.0, MSTest, and more

Rider 2017.2 Early Access Program

We’ve just opened the Rider 2017.2 Early Access Program (EAP) for you to download.

It comes with full support for .NET Core 2.0, adds MSTest, various NuGet improvements, a new debugger tool window for visualizing Parallel Stacks and marking of instances, new refactorings and more. And with ReSharper 2017.2 now released, we’ve updated the ReSharper version powering Rider, too. Which brings improved support for C# 7.0, initial support for C# 7.1, new code inspections, navigation improvements, and so on. Let’s look at a few highlights!

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ReSharper 2017.2 – what’s new in navigation?

ReSharper has always had a rich search and navigation system for finding files, classes, methods and even text. With the release of ReSharper Ultimate 2017.2, we’ve made a number of improvements to navigation: better search and matching, exact search, integrated Go to Text and a new way to navigate to files nearby.

All of these additions make it even easier to find what we’re looking for in our solution. Let’s dive in!

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Getting started with Rider and Unity

We recently released Rider, a new IDE for C# and .NET developers. It runs cross platform, on Windows, Mac and Linux, and comes with built in support for Unity – code completion for event functions, inspections and quick-fixes for Unity code, support for shader files and more. Today, we’re going to take a look at how you get started, and how Rider will help with your Unity code.

Here’s a quick overview video that shows Rider in action with Unity code. Read on for more details.

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Importing raw memory dumps in dotMemory 2017.2

Support for raw memory dumps was probably the most voted and long-awaited dotMemory feature. Finally, it’s available in dotMemory 2017.2!

Indeed, there are cases when it’s impossible to profile a problematic application locally or remotely and take a regular dotMemory snapshot for analysis (e.g., because of security policies). Your last resort in such a case is typically a raw Windows memory dump. It can be taken with a number of tools, with the two most popular being Task Manager (comes with the operating system) and Process Explorer. Now, all you have to do is simply copy the dump to your computer and open it in dotMemory using the Import Dump command.

Importing memory dumps in dotMemory

That’s it! The dump is converted to an ordinary dotMemory snapshot, so you can analyze it using all of the sophisticated dotMemory features like automatic inspections, retention path diagrams, etc.

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