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C_sharp : How can I sort a list based on a pre-sorted list . I have a list which is already sorted . Say , my sorted list is Now , I want to sort any subset of the above list in the same order as the above list . That is , if I have as input { `` Developer '' , `` Junior Developer '' } , I want the output as { `` Junio... | Sort a List based on a Pre-Sorted List |
C_sharp : I am trying to do is to get filepath for my excel file . But I am unable to do so.File is in Document/Visual Studio 2013/Project/ProjectName/a.xlsxIs it wrong way to do it or is it correct way ? <code> string path = Path.Combine ( HttpContext.Current.Server.MapPath ( `` ~/ '' ) , '' a.xlsx '' ) ; string Sheet... | Get FilePath for my excel file with sheetname |
C_sharp : I am using Activiz.NET to render some STLs in a C # tool . The renderwindow and renderer settings are as follows.Running the tool on an STL on my system results in the following image ( which is as expected ) . ( Click image for full size ) However , when two of my colleagues run the same tool on the exact sa... | VTK ( Activiz ) rendering differently on different hardware |
C_sharp : Let me show you part of my XAML code : When too much borders are created ( it is linked with an ObservableCollection ) , a vertical scroll bar appears , and my border does n't resize on its own . ( I would like to see the complete border , I don t want it to be cut at the end ) If anyone has an idea , thanks ... | Resize my border when a VerticalScrollBar appear |
C_sharp : Consider the following code : Anything wrong with this approach ? Is there a more appropriate way to build an array , without knowing the size , or elements ahead of time ? <code> List < double > l = new List < double > ( ) ; //add unknown number of values to the listl.Add ( 0.1 ) ; //assume we do n't have th... | Efficiency : Creating an array of doubles incrementally ? |
C_sharp : I came across following code and do n't know what does having from twice mean in this code . Does it mean there is a join between Books and CSBooks ? <code> List < Product > Books = new List < Product > ( ) ; List < Product > CSBooks = new List < Product > ( ) ; var AllBooks = from Bk in Books from CsBk in CS... | does using `` from '' more than once is equivalent to have join ? |
C_sharp : In spite of the RFC stating that the order of uniquely-named headers should n't matter , the website I 'm sending this request to does implement a check on the order of headers.This works : This does n't work : The default HttpWebRequest seems to put the Host and Connection headers at the end , before the bla... | Strict ordering of HTTP headers in HttpWebrequest |
C_sharp : We know all types inherit Equals from their base class , which is Object.Per Microsoft docs : Equals returns true only if the items being compared refer to the same item in memory.So we use Equals ( ) to compare object references , not the state of the object . Typically , this method is overridden to return ... | What does .NET 's Equals method really mean ? |
C_sharp : I have a struct that has a field called typeHow do i access it in F # ? c # f # How do i access the type field of A ? <code> struct A { int type ; } let a = A ( ) let myThing = a.type //error because type is a reserved keyword | access .Net field from F # when the field name is a reserved keyword |
C_sharp : I wrote this quickly under interview conditions , I wanted to post it to the community to possibly see if there was a better/faster/cleaner way to go about it . How could this be optimized ? <code> using System ; using System.Collections.Generic ; using System.Linq ; using System.Text ; namespace Stack { clas... | See any problems with this C # implementation of a stack ? |
C_sharp : I have this code : How can I access a property of test object ? When I put a breakpoint , visual studio can see the variables of this object ... Why ca n't I ? I really need to access those . <code> object test = new { a = `` 3 '' , b = `` 4 '' } ; Console.WriteLine ( test ) ; //I put a breakpoint here | Accessing anonymous type variables |
C_sharp : I have the following code : However it returns different results whether it 's compiled from VS2012 or VS2015 ( both have `` standard '' settings ) In VS2012In VS2015 : VS2012 dissasembly : VS2015 dissasembly : As we can see the disassembly is not identical in both cases , is this normal ? Could this be a bug... | difference of float/double conversion betwen VS2012 and VS2015 |
C_sharp : This code results in the following output : GetDistinctValuesUsingWhere No1 : 1,2,3,4 GetDistinctValuesUsingWhere No2 : GetDistinctValuesUsingForEach No1 : 1,2,3,4 GetDistinctValuesUsingForEach No2 : 1,2,3,4I do n't understand why I do n't get any values in the row `` GetDistinctValuesUsingWhere No2 '' . Can ... | Where vs. foreach with if - why different results ? |
C_sharp : I have the following List : which after populating the list I end up with the following data : I have multiple SKU 's as the item can be supplied from more then one Warehouse location as it 's in stock . In the case of SKU001 , warehouse ID 2 has more stock than warehouse ID 3.I need to select the items from ... | Selecting values from List |
C_sharp : I have a web application which is supposed to be composed as a series of plugins into a core infrastructure . A plugin is a compiled CLR dll + some content files which will be put in a certain location . I 'm using Autofac to scan and register types out of the assembly , and some fancy routing to serve contro... | EF multi-context with a plugin-style system . How to apply migrations at runtime ? |
C_sharp : First of all I have to specify that I 'm working in Unity 5.3 and the new MonoDevelop does n't allow me to debug . Unity just crashes : ( So I have a list of `` goals '' that I need to sort based on 3 criterias : first should be listed the `` active '' goalsthen ordered by difficulty levelfinally randomly for... | What is wrong with my sorting ? |
C_sharp : I have a some small doubt with classes and objects . In a class I have 10 to 20 methods , ( shared below ) When creating a object for the above class . How many methods will be stored in memory ? Only the calling method or all the methods.Can you please help me on the above scenario . <code> public class tstC... | How many methods in a class will be created in memory when an object is created in C # ? |
C_sharp : Disclaimer : I would love to be using dependency injection on this project and have a loosely coupled interface-based design across the board , but use of dependency-injection has been shot down in this project . Also SOLID design principles ( and design patterns in general ) are something foreign where I wor... | Is there a better design option ? |
C_sharp : I am reading `` The D Programming Language '' by Andrei Alexandrescu and one sentence puzzled me . Consider such code ( p.138 ) : and call ( p.140 ) : Explanation ( paragraph below the code ) : If we squint hard enough , we do see that the intent of the caller in this case was to have T = double and benefit f... | What is wrong with inferred type of template and implicit type conversion ? |
C_sharp : We are not forced to fill the returned value from e.g . a method call into a declared variable of expected type , but what happens to it in that situation ? Where does the following returned value go/What happens to it : ? Obviously , if I wanted to see the result from the method call I would do the following... | Where does the returned value from e.g . a method call go if not filled into a declared variable of expected type ? |
C_sharp : I am using JwtBearer authentication to secure my API . I am adding [ Authorize ] above each API and it worked . I am using this code to add the authentication in the startup : I want a way to add the [ Authorize ] to a function in a service , or write a code in the function that works the same as [ Authorize ... | ASPNet Core : Use [ Authorize ] with function in service |
C_sharp : I have a strange situation that I ca n't duplicate consistently . I have a MVC website developed in .NET Core 3.0 and authorizes users with .NET Core Identity . When I run the site in a development environment locally everything works just fine ( the classic `` works on my machine ! '' ) . When I deploy it to... | Ajax Calls Return 401 When .NET Core Site Is Deployed |
C_sharp : I think I 've developed a cargo-cult programming habit : Whenever I need to make a class threadsafe , such as a class that has a Dictionary or List ( that is entirely encapsulated : never accessed directly and modified only by member methods of my class ) I create two objects , like so : In this case , I wrap... | Cargo-cult programming : locking on System.Object |
C_sharp : I 'm experimenting with WeakReference , and I 'm writing a code that checks if a weak reference is valid before returning a strong reference to the object.How should I prevent the GC collecting the object between the `` IsValid '' and the `` Target '' calls ? <code> if ( weakRef.IsValid ) return ( ReferencedT... | Block garbage collector while analyzing weak references |
C_sharp : I have base class for my entitiesI have to use this strange construction Entity < T > where T : Entity < T > , because i want static method FromXElement to be strongly-typedAlso , i have some entities , like thatHow can i create a generic list of my entities , using base class ? <code> public class Entity < T... | Create list of generics |
C_sharp : I want to retrieve values from a tree stored in another system . For example : To avoid typing errors and invalid keys , I want to check the name at compile time by creating an object or class with the tree structure in it : Is there an easy way to do this in C # without creating classes for each tree node ? ... | Compile time tree structure |
C_sharp : I want to replace string which is a square bracket with another number . I am using regex replace method.Sample input : This is [ test ] version.Required output ( replacing `` [ test ] '' with 1.0 ) : This is 1.0 version.Right now regex is not replacing the special character . Below is the code which I have t... | Word boundaries not matching when the word starts or ends with special character like square brackets |
C_sharp : I am having the following preudo-codewhere the entire code has , let 's say 500 lines with lots of logic inside for statements . The problem is refactoring this into a readable and maintainable code and as a best practice for similar situations . Here are the possible solutions I found so far.1 : Split into m... | Refactoring inner loops with lots of dependencies between levels |
C_sharp : I want to create an instance of FormsAuthenticationTicket ( over which I have no control , part of System.Web.Security ) using Autofixture AND making sure that the UserData ( of type string ) contains a valid XML stringThe problem is that UserData can only be set when instantiating the object using the follow... | Create an instance of FormsAuthenticationTicket with a valid XML string in UserData |
C_sharp : Variables : Current If statementQuestion : Instead of having multiple if statements , for each variable . How can I create 1 if statement to go through all these variables ? Something like this : <code> private string filePath1 = null ; private string filePath2 = null ; private string filePath3 = null ; priva... | If statement with multiple variables ending with a number |
C_sharp : I 'm trying to diagnose issues updating Google Fusion Tables using CSV data via the API . Everything seems to work correctly code side of things with no errors reported but the data does not reflect the changes . Any ideas how I can diagnose what is going wrong ? I 've been using the Google.Apis.Fusiontables.... | Diagnosing Google Fusion Table update using API to upload CSV issue |
C_sharp : Let 's think of it as a family tree , a father has kids , those kids have kids , those kids have kids , etc ... So I have a recursive function that gets the father uses Recursion to get the children and for now just print them to debug output window ... But at some point ( after one hour of letting it run and... | Does creating new Processes help me for Traversing a big tree ? |
C_sharp : I can automatically register all types that implement interfaces with this statementHow can I specify a namespace for interfaces and implementations ? i.e : only interfaces in Framework.RepositoryInterfaces should get resolved by types in Framework.RepositoryImplementations . <code> IUnityContainer container ... | Resolve dependencies only from specified namespace |
C_sharp : i 've got a disordered file with 500000 line which its information and date are like the following : Now how can i implement such a thing ? I 've tried the sortedList and sorteddictionary methods but there is no way for implemeting a new value in the list because there are some repetative values in the list .... | How can I sort the file txt line 5000000 ? |
C_sharp : When you have nested co-routines like Is the StartCoroutine in yield return StartCoroutine ( Bar ( ) ) ; necessary ? Are we allowed to just do If we are allowed , does this have any impact on the program behavior/performance ? <code> void Update ( ) { if ( someTest ) { StartCoroutine ( Foo ( ) ) ; } } IEnumer... | Is a StartCoroutine needed for a call from inside one co-routine to another co-routine ? |
C_sharp : I just spent hours being confused by an NullReferenceException where I thought there should n't be one . I was constructing a class like so : whereBasically my IL was the following : and I finally figured that it must be that bar was not being instantiated . I constructed my class in C # and compiled it and f... | Why do we need to explicitly call parent constructor in MSIL ? |
C_sharp : I 've created a Generic Class to parse some data into another instance of a class ( MyClass1 ) . Since MyClass1 has only built-in C # types , my GenericMethod works fine . The problem starts to grow when MyClass1 has another MyClass2 property and I still want to invoke my GenericMethod to parse my data.I ca n... | How to trigger a Generic Class method recursively changing the type of T ? |
C_sharp : I have this loop : But instead I would like to have i for just numbers 1,2,4,5 and 7 and I will hardcode this.Is there a way I can do this with something like an array ? <code> for ( int i = 1 ; i < 10 ; i++ ) | Is there a way to code a for loop so that it does n't increment through a sequence ? |
C_sharp : It seems I 'm running into more woes with 'my most favorite datatype ' SqlDecimal.I 'm wondering if this should be considered a bug or not.When I multiply two small numbers in SQL I get the expected result . When I run the same numbers through a SQLCLR function the results are , well surprising.c # code : SQL... | c # SqlDecimal flipping sign in multiplication of small numbers |
C_sharp : I am trying to setup a ESRI Local Server for displaying .mpk . I have a Model likein ViewModel.cs Class I haveAs you can see I am trying to implement the local server and dynamic layer in ViewModel.cs like but I do not know how to bind this service to the Model ? I tried but as you know the myModel does n't h... | Implementing MVVM with ArcGIS Runtime local server |
C_sharp : Here is demonstration of the problem : This become an issue if there are methods with many parameters ( e.g . ten of double type ) : Question : is there a way to validate parameters when calling method , so that programmer is less prone to do a mistake ? This is not an issue if parameter types are different .... | Compile-time method call validation for multiple parameters of the same type |
C_sharp : I met with the strange behavior of the generic . Below is the code I use for testing.Output : I found it very strange that the second Console.WriteLine call displays a class , not an interface , because I use a generic type definition . Is this correct behaviour ? I 'm trying to implement generic type inferen... | Generic strange behaviour |
C_sharp : A question related to the C # /.NET compiler used in Visual Studio 2010 : During the development of a project , a colleague encountered a situation where the VS2010 compiler would crash when using existing code inside a lock . We took the code apart line-by-line to eventually come to the conclusion that using... | Why does a yield in a foreach-iteration through an array within a lock crash the VS2010 compiler ? |
C_sharp : I 'm using an API where , unfortunately , calling a get property accessor has a side-effect . How can I ensure that : is n't optimized away by the compiler ? <code> public void Foo ( ) { var x = obj.TheProp ; // is it guarnateed to be accessed ? } | Ensure statement is not optimized `` away '' |
C_sharp : I started off by reading through this suggested question similar to mine , but there was no resolution : Why does MSTest.TestAdapter adds its DLLs into my NuGet package ? Quick Problem DescriptionI wrote a NuGet package , and each time I install it , NUnit and NUnit3TestAdapter .dll 's get added to the projec... | Can I work around adding these .dlls when installing NuGet package ? |
C_sharp : Is there a property / method in Serilog where I could ( programmatically ) check the current configuration ? ( sinks , minimum level ) e.g . if have this config : How could I read this config later ? ( In my case the config is dynamically created outside my application ) <code> Log.Logger = new LoggerConfigur... | Read current Serilog 's configuration |
C_sharp : I 've create a SPROC that saves an object and returns the id of the new object saved . Now , I 'd like to return an int not an int ? Thanks for helping <code> public int Save ( Contact contact ) { int ? id ; context.Save_And_SendBackID ( contact.FirstName , contact.LastName , ref id ) ; //How do I return an i... | How do I convert int ? into int |
C_sharp : I have seen that is is possible to add compiled methods together . Does it make sense to do this ? I would intend to use the filter in place of a lambda expression to filter a repository of customers : Depending on business logic , I may or may not add the three compiled methods together , but pick and choose... | What 's the purpose of adding compiled Func methods together ? |
C_sharp : I 'm writing a quadtree-like data structure which contains matrices of generic objects T. If four subnodes all contain defined matrices of T , I 'm going to aggregate them into a single , larger matrix , then delete the subnodes . Is there a more efficient way to do this than looping through every reference a... | Efficiently copying a matrix of objects to a larger matrix of objects |
C_sharp : I have a class that has the variable `` Magic '' . This is a 4 char string . Can I do something like this in C # ? *Assume that `` chunkList '' is an IList/List of `` chunk '' objects . <code> string offset = chunkList [ `` _blf '' ] .offset ; | Can I use Square Brackets to pull a value from a class |
C_sharp : I 'm not wanting to start a flame war on micro-optimisation , but I am curious about something.What 's the overhead in terms of memory and performance of creating instances of a type that has no intrinsic data ? For example , a simple class that implements IComparer < T > may contain only a Compare method , a... | What 's the overhead of a data-less type ? |
C_sharp : Hey how can I detect when my ListView is scrolled up or down ? I have this : Do I need to do something with `` verticalBar.Height > verticalBar.ActualHeight '' ? <code> private void MainPage_OnLoaded ( object sender , RoutedEventArgs e ) { var scrollViewer = MyListView.GetFirstDescendantOfType < ScrollViewer ... | Detect when ListView is scrolled `` up '' or `` down '' ? Windows Phone 8.1 ListView |
C_sharp : I have problems with the `` order '' of the values of an enum . It 's a little difficult to explain , that 's why I wrote up some code : The output is : Enum A : TwoTwoTwoFourEnum B : ThreeThreeThreeFourEnum C : OneOneOneFourMy question is : WHY ! ? I ca n't find the logic to the output . Most of the time the... | Why ( and how ) does the order of an Enum influence the ToString value ? |
C_sharp : I 'm missing something basic , but I ca n't figure it out . Given : Over in another class I want to allow callers to be able to RegisterFor < SpecialEvent > ( x = > { ... } ) However , the _validTypes.Add line does not compile . It can not convert a Action < T > to an Action < EventBase > . The constraint spe... | Why is the generic parameter not casting ? |
C_sharp : I am trying to do some charting in LinqPad . I have some logs from an api and i know , what api was called and if the request was cached ( in our real case we resolve address with coordinates from bing api or we get addres from cache table if we have cached it ) i use this linqpad script : That is the result ... | Linqpad Charting . Combination of Column and StackedColumn |
C_sharp : While going through our client 's code , I came across below interface in C # , which is having a member with `` this '' keyword.I am not aware of any such pattern or practice where interface member name starts with `` this '' . To understand more , I checked the implementation of this interface , however sti... | Interface member with `` this '' keyword |
C_sharp : I currently have the followingwould it be cleaner to do this ? is it safe ? <code> if ( ! RunCommand ( LogonAsAServiceCommand ) ) return ; if ( ! ServicesRunningOrStart ( ) ) return ; if ( ! ServicesStoppedOrHalt ( ) ) return ; if ( ! BashCommand ( CreateRuntimeBashCommand ) ) return ; if ( ! ServicesStoppedO... | c # is this design `` Correct '' ? |
C_sharp : I have the following html helper method : I have a need to put move it to into a helper library that is structured in this way : I am unable to figure out how to structure my HelperFactory class and the EditorBuilder class constructor to handle the generics correctly.This is what I tried and it did n't work :... | Convert static method with generic paramerter to a generic class |
C_sharp : I 'm developing an app with Entity Framework.I 've got a combo box with the names of the tables in the database.I have the following code : how can i avoid all these if-else checks ? Is it possible to get the name of a class from a string holding the name ? example : <code> string table = cbTables.SelectedIte... | Avoid a lot of if - else checks - Choose table from string using the entity framework |
C_sharp : Can you please tell me what kind of construct in C # is this.Code Golf : Numeric equivalent of an Excel column nameThough I am new to C # ( only two months exp so far ) , but since the time I have joined a C # team , I have never seen this kind of chaining . It really attracted me and I want to learn more abo... | What is this kind of chaining in C # called ? |
C_sharp : I 'm trying a simple comparison here , assignment does n't work as i would like ... here is the code , I ran my debugger ( In VS ) and when that assignment is called , the int on the right was equal to 50 , but the int on the left stayed equal to 0 . No idea what I 'm missing.This application is using the Abb... | C # Noob with a question : Int assignment not working as expected |
C_sharp : In my controller I need to call a method BlockingHttpRequest ( ) which makes an http request . It is relatively slow running , and blocks the thread.I am not in a position to refactor that method to make it async.Is it better to wrap this method in a Task.Run to at least free up a UI/controller thread ? I 'm ... | Can you increase throughput by using Task.Run on synchronous code in a controller ? |
C_sharp : The documented derivation constraint uses a where T : clause and the sample code that I 'm tinkering with iswhere IPassClass is an interface.Code from a third-party that I am using has the formatBoth result in the same behaviour in my code , but are they the same and if not what is the difference ? <code> pub... | Which is the preferred syntax for a Generic Class Derivation Constraint ? |
C_sharp : I want a generic way to convert an asynchronous method to an observable . In my case , I 'm dealing with methods that uses HttpClient to fetch data from an API.Let 's say we have the method Task < string > GetSomeData ( ) that needs to become a single Observable < string > where the values is generated as a c... | Create observable from periodic async request |
C_sharp : Assume i want to create an alias of a type in C # using a hypothetical syntax : Then i go away and create a few thousand files that use Currency type.Then i realize that i prefer to use FCL types : Excellent , all code still works ... .months later ... Wait , i 'm getting some strange rounding errors . Oh tha... | Techniques for aliasing in C # ? |
C_sharp : Essentially , will more memory be used by instances of Foo when its value is acquired like this : or like this ? That is , is memory used per-method per-object or per-type ? <code> public class Foo { internal double bar ; double GetBar ( ) { return bar ; } } public class Foo { internal double bar ; } public s... | Does it cost more memory to load classes with more methods ? |
C_sharp : Background I am creating a custom wpf panel . To help lay out the child items it uses a secondary list ( similar to Grid.RowDefinitions or Grid.ColumnDefinitions ) that I call `` layouts '' . Each layout has a couple dependency properties , and child items use an attached property to determine where they 're ... | When do declared XAML list items have their dependency properties set ? |
C_sharp : I have doubt about these two aspects ; First one ; Second one ; What happens if we dont assign the newly created instance to a variable and directly call the method ? I see some difference between two way on IL code.This one below is IL output of first c # codeAnd this one is the IL output of the second c # c... | Calling method of non-assigned class |
C_sharp : Our company is switching the SMTP mail server to Office 365 . The key issue is the new SMTP server `` smtp.office365.com '' only supports TLS encryption . Thus I can not use CredentialCache.DefaultNetworkCredentials to encode my Windows log-in password automatically.Previously this works without any issue . B... | Use DefaultNetworkCredential under TLS encryption ? |
C_sharp : A question came up during a code review the other day about how quickly a using block should be closed . One camp said , 'as soon as you are done with the object ' ; the other , 'sometime before it goes out of scope'.In this specific example , there are a DataTable and a SqlCommand object to be disposed . We ... | How quickly should I close a using block ? |
C_sharp : I want to check some locking behaviors and i ca n't understand this : I thought that this should not work due to the fact i am doing the synchronization on an integer value . First Boxing , then Unboxing and i should get a System.Threading.SynchronizationLockException because of the missing sync block root ( ... | Locking on a primitive type |
C_sharp : I was all excited at writing this generic function when the compiler threw an error ( unable to cast T to System.Web.UI.Control ) I basically pass it a type when I call it , and it look for all controls of that type . The error occurs on l.Add ( ( T ) ctrl ) ; Am I missing something or am I just out of luck ?... | My first generic casting ( C # ) |
C_sharp : I have the following code : If I compile and run this using an x86 configuration in Visual Studio , then I get the following output : If I instead compile as x64 I get this : I realize that using 32 och 64 bit compilation must affect how double values are handled by the system , but given that C # defines dou... | On double parsing in C # |
C_sharp : I am trying to retrieve a value of private property via reflectionWhere is my mistake ? I will need to use object to pass instance , because some of private properties will be declared in the A or B . And even hiding ( with new ) Base properties sometimes . <code> // definitionpublic class Base { private bool... | typeof ( ) works , GetType ( ) does n't works when retrieving property |
C_sharp : I have these lines in my view.cshtml : But now there is a red line under ; in javascript codes and the error is Syntax error.What is the problem ? <code> $ ( `` document '' ) .ready ( function ( ) { @ { var cx = Json.Encode ( ViewBag.x ) ; var cy = Json.Encode ( ViewBag.y ) ; } var x = @ cx ; var y = @ cy ; }... | How to fill javascript variables with c # ones ? |
C_sharp : I 'm new to functional way of thinking in C # ( well ... not limited to language ) . Let 's say there 's method : Concept1 . ValidationWhen invalid input is given , I should return something like Either < IEnumerable < ValidationError > , T > .2 . ExecutionWhen calling DB/API/ ... which could throw , I should... | C # FP : Validation and execution with error handling functional way - space for improvement ? |
C_sharp : I have a query which should be ordered like that : But if any object is null ( totally by design ) this query fails.How can I put null values at the end or skip ordering if object is null ? ADDED : as @ LasseV.Karlsen mentioned I might have ANOTHER problem.I really got ArgumentNullException , but the reason w... | Skip ThenBy on nullable objects |
C_sharp : I have to parse out the system name from a larger string . The system name has a prefix of `` ABC '' and then a number . Some examples are : the full string where i need to parse out the system name from can look like any of the items below : before I saw the last one , i had this code that worked pretty well... | In C # , what is the best way to parse out this value from a string ? |
C_sharp : I 'm making a query on a MethodInfo [ ] where I 'm trying to find all the methods that have a return type of void , and has only one parameter of a certain type . I want to do it in the most minimalistic and shortest way.One way to do it would be : orBut there 's a redundant GetParameters call - One call shou... | Shorten this LINQ query via the help of an anonymous type ? |
C_sharp : I inherited some source code that I am just starting to dig though , and i found the previous owner has made some use of the using directive as an alias for a List < T > , but I 've never seen this specific approach before.Both of these elements are used quite heavily within the code and are also return types... | Using Directive to declare a pseudo-type in C # |
C_sharp : I 've developed a simple app , which just have to upload files from a folder to Azure Blob Storage , I runs fine when I run in from VS , but in the published app I get this error once in a while : ved System.IO.__Error.WinIOError ( Int32 errorCode , String , maybeFullPath ) ved System.IO.FileStream.Init ( Str... | IOException when uploading to Blob Storage in published app |
C_sharp : I am reading Beginning C # to refresh my memory on C # ( background in C++ ) .I came across this snippet in the book : The snippet above will not compile - because according to the book , the variable text is not initialized , ( only initialized in the loop - and the value last assigned to it is lost when the... | Variable scope in C # |
C_sharp : I am trying to use Selenium to enter SQL code into a Code Mirror textbox . I 'll use the site http : //www.gudusoft.com/sqlflow/ # / as an example for the purposes of this question.My Problem : I am unable to submit MSSQL SQL code into the code text box if the code contains a carriage return or line feed.As a... | Using C # and Selenium to enter multi lined SQL text into a Code Mirror textbox on a webpage |
C_sharp : I have a string which contains multiple items separated by commas : As you can see some elements contain Whitespaces , My object is to remove all the whitespaces , This is my code : And this is my result : it works well , But I ask if there is another more optimized way to get the same result ? <code> string ... | Remove whitespace in elements in string C # |
C_sharp : In an MFC program , you can determine whether the application shortcut had the Run value set to `` Minimized '' by checking the value of m_nCmdShow . Is there an equivalent way to do this in c # ? To clarify , I do n't want to set the state of a particular form . If you look at the properties for a shortcut ,... | Is there a c # equivalent of m_nCmdShow ? |
C_sharp : This is a question similar to this one here.Is there a built-in method that converts an array of byte to hex string ? More specifically , I 'm looking for a built in function for <code> /// < summary > /// Convert bytes in a array Bytes to string in hexadecimal format /// < /summary > /// < param name= '' Byt... | Builtin Function to Convert from Byte to Hex String |
C_sharp : In this scenario what would be the value of Result if myObject is null ? <code> var result = myObject ? .GetType ( ) ; | C # 6 null propagation what value is set when object is null |
C_sharp : I 'm running into a problem with the following pseudoquery : It runs but the generated SQL statement that LINQ sends to SQL Server is absurd . The actual implementation follows a similar setup as above with 7 or so more columns that each have a .Sum ( ) calculation . The generated SQL has somewhere around 10-... | Two similar LINQ queries , completely different generated SQL |
C_sharp : This question is an extension of Cristi Diaconescu 's about the illegality of field initializers accessing this in C # .This is illegal in C # : Ok , so the reasonable explanation to why this is illegal is given by , among others , Eric Lippert : In short , the ability to access the receiver before the constr... | Field initializer accessing 'this ' reloaded |
C_sharp : It is posible in C # to decide in constructor , which other override constructor use ? This below code does n't compile ! I do n't know which invocation use . <code> public IntRange ( int val , bool isMax ) : isMax ? this ( ) : this ( ) { if ( isMax ) { IntRange ( 0 , val ) ; } else { IntRange ( val , int.Max... | Can a constructor include logic that determines which other constructor overrides to call ? |
C_sharp : This surprised me - the same arithmetic gives different results depending on how its executed : ( Tested in Linqpad ) What 's going on ? Edit : I understand why floating point arithmetic is imprecise , but not why it would be inconsistent.The venerable C reliably confirms that 0.1 + 0.2 == 0.3 holds for singl... | Floating point inconsistency between expression and assigned object |
C_sharp : I have an iterative C # loop which fills out a checkboard pattern of up to 5 columns.The values are paired , it 's always a Headline and multiple Values for each column , and it 's combining the values to a non-repetitative combination.Starting with the simplest solution I could imagine , and after looking at... | How to go from iterative approach to recursive approach |
C_sharp : Does the ? ? operator in C # use shortcircuiting when evaluating ? When myObject is non-null , the result of ExpressionWithSideEffects ( ) is not used , but will ExpressionWithSideEffects ( ) be skipped completely ? <code> var result = myObject ? ? ExpressionWithSideEffects ( ) ; | Does the `` ? ? `` operator use shortcircuiting ? |
C_sharp : This question is about static stack analysis of custom C # IL code and how to design the opcodes to satisfy the compiler.I have code that modifies existing C # methods by appending my own code to it . To avoid that the original method returns before my code is executed , it replaces all RET opcodes with a BR ... | C # IL code modification - keep stack intact |
C_sharp : I have the following method : Question is : i dont want the user to wait for csv dump , which might take a while.If i use a thread for csvdump , will it complete ? before or after the return of output ? After csvdump is finished , i d like to notify another class to process the csv file . someMethod doesnt ne... | C # Threading in a method |
C_sharp : i want to create a dictionary like : Why ca n't I ? <code> Dictionary < string , < Dictionary < string , string > > > | Why ca n't I create a dictionary < string , dictionary < string , string > > ? |
C_sharp : In my function I receive objects implementing IMediaPanel interface : During the initialization I need to specify properties ' names , for which I 'm using C # 6.0 nameof keyword : This works fine , but with this expression : Visual Studio shows me the following error : The property 'MyNamespace.IMediaPanel.I... | Using `` nameof '' keyword with set-only property |
C_sharp : I 'm working a project to replace a Resource Management system ( QuickTime Resource Manager on Mac and Windows ) that has been deprecated and I have been using the current model that Qt uses where data is retrieved from the resource file using a string key.For example , I may have an image in my resource file... | Why are string identifiers used to access resource data ? |
C_sharp : Consider the following piece of code : If you execute this , the variable en will get the value of TestEnum.BA . Now I have learned from this that enum flags should be unique , or you get these kind of unexpected things , but I do fail to understand what is happening here.The even weirder part is that when I ... | Enum.Parse returning unexpected members |
C_sharp : I am maintaining an ASP.NET MVC project . In the project the original developer has an absolute ton of interfaces . For example : IOrderService , IPaymentService , IEmailService , IResourceService . The thing I am confused about is each of these is only implemented by a single class . In other words : My unde... | Am I confused about interfaces ? |
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