Questions tagged [resharper]
ReSharper is a refactoring and productivity extension by JetBrains that extends native functionality of Microsoft Visual Studio versions since 2003.
resharper
4,934
questions
1489
votes
18
answers
223k
views
Virtual member call in a constructor
I'm getting a warning from ReSharper about a call to a virtual member from my objects constructor.
Why would this be something not to do?
- 23.7k
429
votes
9
answers
177k
views
Handling warning for possible multiple enumeration of IEnumerable
In my code I need to use an IEnumerable<> several times, resulting in the ReSharper error of "Possible multiple enumeration of IEnumerable".
Sample code:
public List<object> Foo(...
- 149k
419
votes
14
answers
84k
views
Method can be made static, but should it?
ReSharper likes to point out multiple functions per ASP.NET page that could be made static. Does it help me if I do make them static? Should I make them static and move them to a utility class?
- 44.7k
378
votes
90
answers
406k
views
Tests not running in Test Explorer
I am currently working on a solution that has currently 32 Unittests. I have been working with the resharper test runner - which works fine. All tests are running, all tests are showing the right test ...
- 4,436
373
votes
13
answers
178k
views
How can I disable ReSharper in Visual Studio and enable it again?
I installed ReSharper, and it works in Visual Studio, but how can I disable it?
Whenever I search in the ReSharper menu, I can't find a disable option.
- 5,403
348
votes
40
answers
150k
views
Visual Studio displaying errors even if projects build
I have a problem with Visual Studio on a C# solution. It displays totally random errors, but the projects build. Right now, I have 33 files with errors, and I can see red squiggly lines in all of them....
- 10.2k
334
votes
25
answers
179k
views
Invert "if" statement to reduce nesting
When I ran ReSharper on my code, for example:
if (some condition)
{
Some code...
}
ReSharper gave me the above warning (Invert "if" statement to reduce nesting), and ...
- 8,100
323
votes
3
answers
87k
views
Access to Modified Closure
string [] files = new string[2];
files[0] = "ThinkFarAhead.Example.Settings.Configuration_Local.xml";
files[1] = "ThinkFarAhead.Example.Settings.Configuration_Global.xml";
//Resharper complains this ...
- 6,440
312
votes
8
answers
113k
views
LINQ: Not Any vs All Don't
Often I want to check if a provided value matches one in a list (e.g. when validating):
if (!acceptedValues.Any(v => v == someValue))
{
// exception logic
}
Recently, I've noticed ReSharper ...
- 3,392
303
votes
5
answers
72k
views
Why does ReSharper tell me "implicitly captured closure"?
I have the following code:
public double CalculateDailyProjectPullForceMax(DateTime date, string start = null, string end = null)
{
Log("Calculating Daily Pull Force Max...");
var ...
- 6,898
299
votes
3
answers
246k
views
Where do I mark a lambda expression async?
I've got this code:
private async void ContextMenuForGroupRightTapped(object sender, RightTappedRoutedEventArgs args)
{
CheckBox ckbx = null;
if (sender is CheckBox)
{
ckbx = ...
285
votes
4
answers
56k
views
ReSharper warns: "Static field in generic type"
public class EnumRouteConstraint<T> : IRouteConstraint
where T : struct
{
private static readonly Lazy<HashSet<string>> _enumNames; // <--
static EnumRouteConstraint()...
- 48k
262
votes
23
answers
147k
views
Keyboard shortcuts are not active in Visual Studio with Resharper installed
I have Visual Studio 2012 + Resharper 7.1.1000.900 + StyleCop 4.7.44 installed.
The problem is that no shortcuts are active since Resharper was installed.
For example: I can still rename via '...
- 3,192
262
votes
17
answers
90k
views
Resharper Alt Enter not working
Help, I can't function without Resharper. All of a sudden my Alt+Enter ↵ shortcut (to bring up the action list) has stopped working. Anybody experienced this or know how to fix?
- 6,038
233
votes
23
answers
60k
views
Why does ReSharper want to use 'var' for everything? [duplicate]
I've just started using ReSharper with Visual Studio (after the many recommendations on SO). To try it out I opened up a recent ASP.NET MVC project. One of the first and most frequent things I've ...
- 6,588
230
votes
5
answers
242k
views
What does CultureInfo.InvariantCulture mean?
I have a string of text like so:
var foo = "FooBar";
I want to declare a second string called bar and make this equal to first and fourth character of my first foo, so I do this like so:
var bar = ...
- 27.7k
195
votes
58
answers
147k
views
Test method is inconclusive: Test wasn't run. Error?
I have a test class and below I have posted a sample test from the test class
namespace AdminPortal.Tests.Controller_Test.Customer
{
[TestClass]
public class BusinessUnitControllerTests
{
...
- 8,620
195
votes
6
answers
103k
views
What is the difference between a regular string and a verbatim string?
I have a trial version of ReSharper and it always suggests that I switch regular strings to verbatim strings. What is the difference?
- 46.1k
191
votes
15
answers
49k
views
How to make ReSharper re-evaluate its assembly reference highlighting
I am creating a Prism Project Template, and the template works great. But after I create a project with the template some of the files look like this:
Despite appearances, everything is just fine.
...
- 80.2k
187
votes
6
answers
69k
views
Unable to type in Visual Studio
I am unable to edit any files in a project in Visual Studio 2013. It only happens in one project. If I open a different project I am able to type fine, but once I go back into the problem project I ...
- 2,472
185
votes
8
answers
177k
views
What are some alternatives to ReSharper? [closed]
I'm considering purchasing a ReSharper license, but are there any possible alternatives to ReSharper and how would you rate these compared to ReSharper?
It doesn't necessarily have to be a free ...
- 6,422
181
votes
13
answers
177k
views
How do I generate a constructor from class fields using Visual Studio (and/or ReSharper)?
I've gotten accustomed to many of the Java IDEs (Eclipse, NetBeans, and IntelliJ IDEA) providing you with a command to generate a default constructor for a class based on the fields in the class.
For ...
- 13.5k
180
votes
4
answers
165k
views
Why should I use var instead of a type? [duplicate]
Possible Duplicate:
ReSharper and var
After I have installed ReSharper it demands(by warnings) that I use var whenever possible, for example
UnhandledExceptionEventArgs ue = (...
- 63.3k
180
votes
7
answers
70k
views
String Interpolation vs String.Format
Is there a noticeable performance difference between using string interpolation:
myString += $"{x:x2}";
vs String.Format()?
myString += String.Format("{0:x2}", x);
I am only ...
- 4,274
169
votes
2
answers
27k
views
Why is '397' used for ReSharper GetHashCode override?
Like many of you, I use ReSharper to speed up the development process. When you use it to override the equality members of a class, the code-gen it produces for GetHashCode() looks like:
public ...
- 4,372
152
votes
2
answers
68k
views
C# 8 understanding await using syntax [duplicate]
I have next method:
public async Task<IEnumerable<Quote>> GetQuotesAsync()
{
using var connection = new SqlConnection(_connectionString);
var allQuotes = await connection....
- 12.3k
147
votes
0
answers
8k
views
Does inverting the "if" improve performance? [duplicate]
I've been using ReSharper for a while now and sometimes it suggests that I invert the if. I guess an example would be a better explanation of my situation:
public void myfunction(int exampleParam){
...
- 37.1k
146
votes
9
answers
23k
views
ReSharper Abbreviations List: Where can I modify it?
I am using ReSharper 4.5, and what often happens when I am converting explicit properties into auto-properties, is that I will accidentally chose "Add XX to abbreviations list".
Ie: I want to convert ...
- 3,171
140
votes
2
answers
15k
views
Disable C# 6.0 Support in ReSharper
While using ReSharper, it suggested "Enable C# 6.0 support for this project". I foolishly clicked on it, and now as advertised it's giving me suggestions for C# 6.0 - which then give me errors as I am ...
- 1,521
131
votes
10
answers
40k
views
Disable, but not uninstall Resharper 4.x onwards
Any ideas on how to disable, but not uninstall Resharper 4.x or above?
- 82.6k
130
votes
2
answers
46k
views
Resharper- Find all unused classes
I know how to find unused references of a single file by right clicking on the file and selecting the "Find Usages" option. Is there any way I can see or get the list of all the unused classes or ...
- 15.2k
127
votes
3
answers
34k
views
"Delegate subtraction has unpredictable result" in ReSharper/C#?
When using myDelegate -= eventHandler ReSharper (version 6) issues:
Delegate subtraction has unpredictable result
The rational behind this is explained by JetBrains here. The explanation makes ...
user166390
126
votes
7
answers
25k
views
ReSharper Curiosity: "Parameter is only used for precondition check(s)."
Why is ReSharper judging me for this code?
private Control GetCorrespondingInputControl(SupportedType supportedType, object settingValue)
{
this.ValidateCorrespondingValueType(...
- 3,326
124
votes
7
answers
75k
views
'is' versus try cast with null check
I noticed that Resharper suggests that I turn this:
if (myObj.myProp is MyType)
{
...
}
into this:
var myObjRef = myObj.myProp as MyType;
if (myObjRef != null)
{
...
}
Why would it suggest ...
- 4,254
123
votes
7
answers
33k
views
Visual Studio or Resharper functionality for placement of using directives
I like to put my using directives inside the current namespace, and not outside as VS and Resharper per default puts them.
Does anyone know of a macro/standard functionality that sorts/removes unused ...
- 3,810
118
votes
1
answer
3k
views
How do you tell Resharper that a method parameter is a string containing a CSS class?
[Enable intellisense on HTMLHelper attribute for css classes]
I have this HTMLhelper:
public IHtmlString MyTextBoxFor<TModel, TProperty>(
this HtmlHelper<TModel> html,
Expression&...
- 2,908
116
votes
1
answer
13k
views
Extract method to already existing interface with ReSharper
I'm adding a new method to a class that implements an interface, and I like to use the "Extract Interface" refactoring and just add the method to the interface. But it doesn't seem like ReSharper ...
- 4,499
116
votes
3
answers
92k
views
Moq: Invalid setup on a non-overridable member: x => x.GetByTitle("asdf")
Not sure how I can fix this, trying to do a unit test on the method "GetByTitle"
Here are my definitions:
public class ArticleDAO : GenericNHibernateDAO(IArticle, int>, IArticleDAO
{
public ...
- 101k
115
votes
5
answers
57k
views
Uninstall ReSharper 4.5
I have ReSharper 4.5 in Visual Studio 2008. Now I want to install ReSharper 5, but I can't do it before I uninstall ReSharper 4.5.
How can I uninstall ReSharper 4.5?
- 18.9k
110
votes
2
answers
39k
views
Do I need to maintain ReSharper's dotsettings.user file in Source Control?
I noticed ReSharper has created a dotsettings.user in my Source folder.
Do I need to keep this in my Source Control (TFS)?
If I exclude it, what are the consequences?
If I get latest on another ...
- 20.8k
107
votes
7
answers
27k
views
ReSharper - force curly braces around single line
Can I configure ReSharper to fix C# code when curly braces are not used to surround a single-line code block, like this:
if (blnSomeCondition)
DoSomething(); // complain
if (...
- 1,746
101
votes
1
answer
42k
views
How can I use ReSharper to list unused methods in a solution? [duplicate]
In a legacy ASP.NET project I have inherited, there are an abundance of methods defined which are used absolutely nowhere.
I'm familiar with the "Find usages" functionality, but would like to be ...
- 1,159
101
votes
1
answer
14k
views
Access to Modified Closure (2)
This is an extension of question from Access to Modified Closure. I just want to verify if the following is actually safe enough for production use.
List<string> lists = new List<string>()...
- 8,257
99
votes
2
answers
13k
views
ReSharper Error: "The output has reached the limit and was truncated. To view the full output use 'Show Stack Trace in a new window' action."
When running unit tests in ReSharper, if the output is too long, it gives this error:
The output has reached the limit and was truncated.
To view the full output use 'Show Stack Trace in a new window'...
- 78.3k
96
votes
8
answers
51k
views
Advantages of using const instead of variables inside methods
Whenever I have local variables in a method, ReSharper suggests to convert them to constants:
// instead of this:
var s = "some string";
var flags = BindingFlags.Public | BindingFlags.Instance;
// ...
- 95.6k
94
votes
36
answers
12k
views
What ReSharper 4+ live templates for C# do you use? [closed]
What ReSharper 4.0 templates for C# do you use?
Let's share these in the following format:
[Title]
Optional description
Shortcut: shortcut
Available in: [AvailabilitySetting]
// Resharper ...
91
votes
18
answers
53k
views
Ctrl+R, Ctrl+R command not working
I'm attempting to use the Ctrl+R, Ctrl+R command within Visual Studio 2008 to rename a variable. I get an error message at the bottom saying that
"The key combination (Ctrl+R, Ctrl+R) is bound to ...
- 4,137
89
votes
24
answers
141k
views
Why can't I reference my class library?
I have a solution that contains a website and a class library in Visual Studio 2008.
I then have another web site project outside of the solution that needs to reference the class library. I right ...
- 69.3k
88
votes
5
answers
19k
views
Impure method is called for readonly field
I'm using Visual Studio 2010 + ReSharper and it shows a warning on the following code:
if (rect.Contains(point))
{
...
}
rect is a readonly Rectangle field, and ReSharper shows me this warning:
&...
- 6,234
86
votes
5
answers
58k
views
Resharper's example code for explaining "Possible multiple enumeration of IEnumerable"
Sometimes Resharper warns about:
Possible multiple enumeration of IEnumerable
There's an SO question on how to handle this issue, and the ReSharper site also explains things here. It has some ...
- 865