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C_sharp : This is my Table : PupilNutritionMy another table Nutrition : This is one field to store final Rate : Case 1 : Operation field with Value 0 and Batch Id 1Case 2 : Now for operation field with Value 1 and Batch Id 1Case 3 : Now for operation field with Value 0 and Batch Id 2Case 4 : Now for operation field wit... | Simplify process with linq query |
C_sharp : It seems exceptionally heavy handed but going by the rule anything publicly available should be tested should auto-implemented properties be tested ? Customer ClassTested by <code> public class Customer { public string EmailAddr { get ; set ; } } [ TestClass ] public class CustomerTests : TestClassBase { [ Te... | Is there value in unit testing auto implemented properties |
C_sharp : Today while coding , visual studio notified me that my switch case could be optimized . But the code that I had vs the code that visual studio generated from my switch case does not result in the same outcome.The Enum I Used : After the following code runs the value is equal to 2147483647.But when visual stud... | Unexpected results after optimizing switch case in Visual Studio with C # 8.0 |
C_sharp : I am relatively new to custom controls ( writing control from scratch in code - not merely styling existing controls ) . I am having a go at replicating the YouTube video control , you know the one ... To start with I want to develop the `` timeline '' ( the transparent grey bar , which displays the current p... | WPF Video Transport Control |
C_sharp : I have a method that currently takes a Func < Product , string > as a parameter , but I need it to be an Expression < Func < Product , string > > . Using AdventureWorks , here 's an example of what I 'd like to do using the Func.I would like it to look something like this : However , the problem I 'm running ... | Refactoring Func < T > into Expression < Func < T > > |
C_sharp : I 'm trying to use SQLXMLBulkLoader4 from C # code into an SQL 2008 DB . But for some reason it does n't insert any rows at all despite not throwing any error . I 've made use of the bulkloads own ErrorLog file , ( to check for any errors that might not cause it to crash ) , but no error is reported.I have a ... | SQLXML BulkLoader not throwing any error but no data is inserted |
C_sharp : I 'm using IdentityServer4 with ASP.NET Core 2.2 . On the Post Login method I have applied the ValidateAntiForgeryToken . Generally after 20 minutes to 2 hours of sitting on the login page and then attempting to login it produces a blank page . If you look at Postman Console you get a 400 Bad Request message ... | AntiForgeryToken Expiration Blank Page |
C_sharp : Update : This is called a de Brujin torus , but I still need to figure out a simple algoritm in C # .http : //en.wikipedia.org/wiki/De_Bruijn_torushttp : //datagenetics.com/blog/october22013/index.htmlI need to combine all values of a 3x3 bit grid as densely as possible . By a 3x3 bit grid , I mean a 3x3 grid... | Find a NxM grid that contains all possible 3x3 bit patterns |
C_sharp : I 'm learning TDD . I know about dependency injection whereby you place the class 's dependencies in the constructor 's parameters and have them passed in , passing in default implementations from the default constructor eg ; RepositoryFactory is a simple static class that returns the chosen implementations f... | Are the unit test classes in ASP.NET MVC web project a good example ? |
C_sharp : I was astounded to find that the System.Numerics.Complex data type in .NET does n't yield mathematically accurate results.Instead of ( 0 , 1 ) , I get ( 6.12303176911189E-17 , 1 ) , which looks a lot like a rounding error.Now I realize that floating point arithmetic will lead to results like this sometimes , ... | Why is .NET 's Complex type broken ? |
C_sharp : To be more specific : will the Linq extension method Any ( IEnumerable collection , Func predicate ) stop checking all the remaining elements of the collections once the predicate has yielded true for an item ? Because I do n't want to spend to much time on figuring out if I need to do the really expensive pa... | Does Any ( ) stop on success ? |
C_sharp : I 'm trying to figure out if there 's any way to avoid getting an `` Unreachable code '' warning for something that 's caused by the preprocessor . I do n't want to suppress all such warnings , only those which will be dependent on the preprocessor , e.g.And later on there 's code that goes : One of those two... | Avoid `` Unreachable code '' warning for preprocessor-dependent code |
C_sharp : Using MYSQL , with EF 5.x and MVC3 . I have a table with around 3.2 million rows which has city , country combo . I have a autocomplete textbox on the client side that takes city 's search term and sends back suggestions using jQuery/ajax.The challenge that I am facing is that I cache this table into my memor... | Cache Static Tables Mysql |
C_sharp : Many years ago , I was admonished to , whenever possible , release resources in reverse order to how they were allocated . That is : I imagine on a 640K MS-DOS machine , this could minimize heap fragmentation . Is there any practical advantage to doing this in a C # /.NET application , or is this a habit that... | C # : Is there an Advantage to Disposing Resources in Reverse Order of their Allocation ? |
C_sharp : NOTE : Right before posting this question it occurred to me there 's a better way of doing what I was trying to accomplish ( and I feel pretty stupid about it ) : So OK , yes , I already realize this . However , I 'm posting the question anyway , because I still do n't quite get why what I was ( stupidly ) tr... | What am I missing in this chain of predicates ? |
C_sharp : What ( if any ) is the C # equivalent of Python 's itertools.chain method ? Python Example : Results:1234 Note that I 'm not interested in making a new list that combines my first two and then processing that . I want the memory/time savings that itertools.chain provides by not instantiating this combined lis... | C # Equivalent of Python 's itertools.chain |
C_sharp : Hi I have this code using generic and nullable : Please note the TInput constraint , one is class , the other one is struct . Then I use them in : It cause an Ambiguos error . But I also have the another pair : This one compiles successfullyI got no clues why this happen . The first one seems Ok , but compile... | Generic type parameter and Nullable method overload |
C_sharp : So I 've notice that this code works : In particular , I 'm curious about the using block , since : fails with a compiler error . Obviously , the class that yield return returns is IDisposable while a regular array enumerator is not . So now I 'm curious : what exactly does yield return create ? <code> class ... | What kind of class does yield return return |
C_sharp : I have .net core WEB API application with MassTransit ( for implement RabbitMQ message broker ) . RabbitMQ-MassTransit configuration is simple and done in few line code in Startup.cs file.I am using dependency injection in my project solution for better code standard . Publish messages are works fine with con... | Middleware with Masstransit publish |
C_sharp : I 'm trying to drag one or more files from my application to an outlook mail-message . If I drag to my desktop the files are copied to the desktop as expected , but when dragging into a new outlook 2013 mail message , nothing happens ... Only when I drag explicitly to the 'attachments textbox ' do they appear... | How to drag files from c # winforms app to outlook message |
C_sharp : I just created the following method in one of my classesAnd a friend of mine , reviewing my code , said that I should n't create methods that 'extend the List class ' , since that violates the open/closed principle.If I want to extend the class List I should create a new class that inherits from List and impl... | Extending List < T > and Violating The Open/Closed Principle |
C_sharp : I recently started to make video games using the XNA game studio 4.0 . I have made a main menu with 4 sprite fonts using a button list . They change color from White to Yellow when I press the up and down arrows.My problem is that when I scroll through it goes from the top font to the bottom font really fast ... | Main Menu navigation / keyboard input speed is too fast |
C_sharp : I am working on a class that needs run a different process method based on the type of object I pass in . I thought that overloading might work here , but I have a question . Lets say I have two interfaces : and and a class to process these objects : My question is , being that ISpecialEmail inherits from IEm... | C # inheritance and method signatures |
C_sharp : My program have a pluginManager module , it can load a DLL file and run DLL 's methods , but I need read the DLL properties before Assembly.LoadFile ( ) . What should I do ? I readed about Assembly documents , they read properties after Assembly.LoadFile ( ) , you know Assembly no UnLoad ( ) Method , so I mus... | How to read properties from DLL before Assembly.LoadFile ( ) |
C_sharp : In my system I have tasks , which can optionally be assigned to contacts . So in my business logic I have the following code : If no contact was specified , the contact variable is null . This is supposed to null out the contact relationship when I submit changes , however I have noticed this is n't happening... | Why does my EF4.1 relationship not get set to null upon assignment of a null value ? |
C_sharp : For some of my code I use a method which looks like this : and I want to use it like this ( simple example ) : now , obviously , I know that there is no way MyMethod could never return anything , because it will always ( indirectly ) throw an exception.But of course I get the compiler value `` not all paths r... | Is there something like [ [ noreturn ] ] in C # to indicate the compiler that the method will never return a value ? |
C_sharp : I have the below string I need the output asAs can be make out that it can be easily done by splitting by `` , '' but the problem comes when it is MAV # ( X , , ) or MOV # ( X,12,33 ) type.Please help <code> P , MV , A1ZWR , MAV # ( X , , ) , PV , MOV # ( X,12,33 ) , LO PMVA1ZWRMAV # ( X , , ) PVMOV # ( X,12,... | String Splitter in .NET |
C_sharp : I 'm profiling some C # code . The method below is one of the most expensive ones . For the purpose of this question , assume that micro-optimization is the right thing to do . Is there an approach to improve performance of this method ? Changing the input parameter to p to ulong [ ] would create a macro inef... | Optimize C # Code Fragment |
C_sharp : instead ofAm I correct in thinking that the first line of code will always perform an assignment ? Also , is this a bad use of the null-coalescing operator ? <code> myFoo = myFoo ? ? new Foo ( ) ; if ( myFoo == null ) myFoo = new Foo ( ) ; | Bad Use of Null Coalescing Operator ? |
C_sharp : Entity framework has synchronous and asynchronous versions of the same IO-bound methods such as SaveChanges and SaveChangesAsync . How can I create new methods that minimally accomplish the same task without `` duplicating '' code ? <code> public bool SaveChanges ( ) { //Common code calling synchronous method... | How can I easily support duplicate async/sync methods ? |
C_sharp : I am creating a C # TBB . I have the XML code as shown below.C # TBB code : In the XML code `` body '' tag is occured multiple times . I need to extract the each and every `` body '' tag content . For that purpose I am using HTML agility pack . To make it work in the C # TBB , How to add the HTML agility pack... | How to add third party dll in Tridion for C # TBB ? |
C_sharp : Consider the following code : Will the compiler optimize the calls to Test.OptionOne.ToString ( ) or will it call it for each item in the testValues collection ? <code> enum Test { OptionOne , OptionTwo } List < string > testValues = new List < string > { ... } // A huge collection of stringsforeach ( var val... | Will the C # compiler optimize calls to a same method inside a loop ? |
C_sharp : I remember few weeks ago when I reorgnized our code and created some namespaces in our project I got error and the system did not allow me to create a companyName.projectName.System namespace , I had to change it to companyName.projectName.Systeminfo . I do n't know why . I know there is a System namespace bu... | C # : why can I not create a system namespace ? |
C_sharp : We have developed a WPF Application with C # and are using RestSharp to communicate with a simple Web Service like this : It all worked great until we received calls that on some machines ( most work ) the app ca n't connect to the service.A direct call to the service method with fiddler worked . Then we extr... | 401 when calling Web Service only on particular machines |
C_sharp : I 'm wrestling with a weird , at least for me , method overloading resolution of .net . I 've written a small sample to reproduce the issue : Will print : Basically the overload called is different depending on the value ( 0 , 1 ) instead of the given data type.Could someone explain ? UpdateI should have poin... | Method overload resolution unexpected behavior |
C_sharp : I have a pair of libraries that both use the same COM interface . In one library I have a class that implements that interface . The other library requires an object that implements the interface.However both libraries have their own definition of the interface . Both are slightly different but essentially th... | Converting between 2 different libraries using the same COM interface in C # |
C_sharp : Let 's say there 's a class that with one public constructor , which takes one parameter . In addition , there are also multiple public properties I 'd like to set . What would be the syntax for that in F # ? For instance in C # In F # I can get this done using either the constructor or property setters , but... | In F # , what is the object initializer syntax with a mandatory constructor parameter ? |
C_sharp : I 've got this code in my App.xaml.cs : I would like to do something similar for the InitializedEvent.Here 's my failed attempt : Is the InitializedEvent somewhere else ? Is this even possible ? I 've tried using the LoadedEvent : It only fired for Windows and not the controls inside the Windows . I did reali... | How do I assign a global initialized event ? |
C_sharp : i am reading Accelerated C # i do n't really understand the following code : in the last line what is x referring to ? and there 's another : How do i evaluate this ? ( y ) = > ( x ) = > func ( x , y ) what is passed where ... it does confusing . <code> public static Func < TArg1 , TResult > Bind2nd < TArg1 ,... | Need help understanding lambda ( currying ) |
C_sharp : I just updated Visual Studio 2013 and I noticed that in the project template for an MVC application the ApplicationDbContext class now has a static method that just calls the constructor : This seems like clutter to me but I imagine that there is some semantic reason that I should now start using ApplicationD... | Is there any benefit ( semantic or other ) to using a static method that calls a constructor ? |
C_sharp : I am trying to use the stack exchange MiniProfiler in my asp MVC project , but getting a really annoying error message in my view , where I am callingandon the RenderIncludes line , VS complains that The type 'MiniProfiler ' exists in both 'MiniProfiler.Shared , Version=4.0.0.0 , Culture=neutral , PublicKeyTo... | The type MiniProfiler exists in both Miniprofiler.Shared and MiniProfiler |
C_sharp : I have a fairly complex thing stuffed into a T4 template . Basically I take something like { =foo= } more text ... and convert it into a class ( view ) like so : The code generated is of course much more complicated than this . Anyway , the T4 template is over 600 lines of code right now and really becoming u... | Is there anything out there to make T4 code more ... clean ? |
C_sharp : Thanks for looking . I 'm kind of new to Ninject and like it so far . I get the part where you bind one thing in debug mode and bind another in release mode . Those are global bindings where you have to declare that every Samurai will have a sword or a dagger , using Ninjects example code . It 's not either/o... | One samurai with a sword and one with a dagger |
C_sharp : So I have some code in VB that I am trying to convert to C # . This code was written by someone else and I am trying to understand it but with some difficulty . I have some bitwise operator and enum comparison to do but keep throwing an error out : I can not say that i have used a lot of these syntaxes before... | Operator ' ! ' can not be applied to operand of type x |
C_sharp : I 'm reading Effective C # ( Second Edition ) and it talks about method inlining.I understand the principle , but I do n't see how it would work based on the 2 examples in the book . The book says : Inlining means to substitute the body of a function for the function call.Fair enough , so if I have a method ,... | How does method inlining work for auto-properties in C # ? |
C_sharp : Using Entity-Framework 6 I 'm able to set up the configuration through Fluent Api like this : Source from this questionUsing the attribute approach I 'm able to know what 's the property roles by reflection , but I wonder how can I retrieve these configurations , like Key for example , with Fluent Api approac... | How to retrieve Entity Configuration from Fluent Api |
C_sharp : Having a list of structs OR maybe an array List each with 3 elements , likeI want to get rid of items that have 2 common subitems in list , in the example I would like to removeSo using structs approach I am thinking in sorting the list by element A , then looping and comparing elements , in a way that If cur... | How to remove elements of list of array/structs that have 2 common elements |
C_sharp : When the C # compiler interprets a method invocation it must use ( static ) argument types to determine which overload is actually being invoked . I want to be able to do this programmatically.If I have the name of a method ( a string ) , the type that declares it ( an instance of System.Type ) , and a list o... | How can I programmatically do method overload resolution in C # ? |
C_sharp : I 'm trying to obfuscate a string , but need to preserve a couple patterns . Basically , all alphanumeric characters need to be replaced with a single character ( say ' X ' ) , but the following ( example ) patterns need to be preserved ( note that each pattern has a single space at the beginning ) QQQ '' RRR... | Replace all alphanumeric characters in a string except pattern |
C_sharp : What should IEquatable < T > .Equals ( T obj ) do when this == null and obj == null ? 1 ) This code is generated by F # compiler when implementing IEquatable < T > . You can see that it returns true when both objects are null:2 ) Similar code can be found in the question `` in IEquatable implementation is ref... | Result of calling IEquatable < T > .Equals ( T obj ) when this == null and obj == null ? |
C_sharp : Let 's say I have these two methods : The following were the results I got : I understand that PLINQ has some overhead because of the threads setup , but with such a big n I was expecting PLINQ to be faster.Here is another result : <code> public BigInteger PFactorial ( int n ) { return Enumerable.Range ( 1 , ... | Why is PLINQ slower than for loop ? |
C_sharp : This is my C # Code : HTML Code : Javascript Code : I want show 'username ' in text field but when form will be post I want to send 'ID ' . Instead of that I am getting username . <code> public JsonResult FillUsers ( string term ) { var Retailers = from us in db.Users join pi in db.UserPersonalInfoes on us.ID... | How to post value from autocomplete instead of text ? |
C_sharp : I have on my winform two panels : on the first panel I have an usercontrol that can be multiplied dynamically . I want , on the second panel , to be displayed the usercontrol that is selected by the user . The idea is that , I want , if I change the text at runtime of my usercontrol , these changes to be disp... | Display control on another panel |
C_sharp : Given a function async Task < ( Boolean result , MyObject value ) > TryGetAsync ( ) , I can doBut if I try to use declare the types or use deconstruction get an error `` a declaration is not allowed in this context '' : How can I avoid using the first option var ret in this scenario ? My issue with this is th... | Deconstruct tuple for pattern matching |
C_sharp : I have to unit test my BlogController 's CreatePost action method . I am passing SavePostViewModel without some fields like Author , Subject , and Postdate which are required field to test CreatePost action method should returns `` Invalid Input '' which is in ( ! ModelState.IsValid ) logic . But it 's always... | Why ModelState.IsValid always return true ? |
C_sharp : My colleague was getting an error with a more complex query using LINQ to SQL in .NET 4.0 , but it seems to be easily reproducible in more simpler circumstances . Consider a table named TransferJob with a synthetic id and a bit field.If we make the following queryAn invalid cast exception is thrown where note... | Odd behavior in LINQ to SQL with anonymous objects and constant columns |
C_sharp : I 'm using automatic globalization on an ASP MVC website . It works fine until it reached a parallel block : What is the best way to make the parallel block inherit the culture ? apart from this solution : <code> public ActionResult Index ( ) { // Thread.CurrentThread.CurrentCulture is automatically set to ``... | How to correctly inherit thread culture in a parallel block ? |
C_sharp : In MVC 6 source code I saw some code lines that has strings leading with $ signs.As I never saw it before , I think it is new in C # 6.0 . I 'm not sure . ( I hope I 'm right , otherwise I 'd be shocked as I never crossed it before.It was like : <code> var path = $ '' ' { pathRelative } ' '' ; | What does ' $ ' sign do in C # 6.0 ? |
C_sharp : I am writing a small application that prints some stickers to a special printer.When I use MS Word to print some text to that printer ( and to an XPS file ) , the result looks excellent . When I print from C # code with the Graphics object , the text appears to be over-pixelized or over-smoothed.I tried the f... | Achieving MS Word print quality in C # |
C_sharp : Sorry if this sounds simple , but I 'm looking for some help to improve my code : ) So I currently have the following implementation ( which I also wrote ) : Then I have technology-specific concrete classes : Now I 'm trying to add a generic optimizer , one that optimizes for conditions other than priority , ... | Refactoring abstract class in C # |
C_sharp : For testing purposes , I need to mock a Task-returning method on an interface handing back a task that never runs the continuation . Here 's the code I have so far : Here , I 've created a custom awaitable type that simply ignores the continuation handed to it -- await new StopAwaitable ( ) has essentially th... | What 's the most concise way to create a Task that never returns ? |
C_sharp : I made a form and extended the glass in it like in the image below . But when I move the window so not all of it is visible on screen , the glass rendering is wrong after I move it back : How can I handle this so the window is rendered correctly ? This is my code : <code> [ DllImport ( `` dwmapi.dll '' ) ] pr... | Glass is not rendered right |
C_sharp : I 've this code : I want to have the same name for my two methods . Is this even possible ? My problems : I have to write two different methods because of the return type ( I want it to be null if the request failed or a value if the request succeed ) which is Nullable < T > if T is a value type , and an inst... | Generics , Nullable , Type inference and function signature conflict |
C_sharp : I am using the MVVM Light library . From this library I use RelayCommand < T > to define commands with an argument of type T. Now I have defined a RelayCommand that requires an argument of type Nullable < bool > : How can I assign the CommandParameter from my XAML code ? I 've tried to pass a boolean value , ... | How do I pass Nullable < Boolean > value to CommandParameter ? |
C_sharp : I have 2 classes , each returns itself in all of the function : I want to enable this kind of API : SetName can not be accessed since SetId returns Parent and SetName is on the Child.How ? <code> public class Parent { public Parent SetId ( string id ) { ... return this } } public class Child : Parent { public... | C # Object oriented return type `` this '' on child call |
C_sharp : I 'm trying to figure out what 's the difference between these two rules ? MergeSequentialChecksMergeSequentialChecksWhenPossibleThe documentation does n't say anything about the second one.https : //www.jetbrains.com/help/resharper/2016.1/MergeSequentialChecks.htmlAnd it 's not quire clear for me what does i... | What 's the difference between ReSharper ` MergeSequentialChecks ` and ` MergeSequentialChecksWhenPossible ` ? |
C_sharp : I 'm in the process of converting my Microsoft SDK Beta code to the Microsoft SDK Official Release that was released February 2012 . I added a generic PauseKinect ( ) to pause the Kinect . My pause will really only remove the event handler that updated the image Pros : No Reinitialization ( 30+ second wait ti... | Pause Kinect Camera - Possible error in SDK reguarding event handler |
C_sharp : Here 's a simple test demonstrating the problem : I need a comparing method which will determine that these two properties are actually represent the same property . What is the correct way of doing this ? In particular I want to check if property actually comes from base class and not altered in any way like... | How to compare same PropertyInfo with different ReflectedType values ? |
C_sharp : When a method has two overloads , one accepting IDictionary and another accepting IDictionary < TKey , TValue > , passing new Dictionary < string , int > ( ) to it is considered ambigous . However , if the two overloads are changed to accept IEnumerable and IEnumerable < KeyValuePair < TKey , TValue > > , the... | Ambiguous call when a method has overloads for IDictionary and IDictionary < TKey , TValue > |
C_sharp : Using c # HttpClient to POST data , hypothetically I 'm also concerned with the returned content . I 'm optimizing my app and trying to understand the performance impact of two await calls in the same method . The question popped up from the following code snippet , Assume I have error handling in there : ) I... | Double await operations during POST |
C_sharp : Does the line fixed ( int* pArray = & array [ 0 ] ) from the example below pin the whole array , or just array [ 0 ] ? <code> int array = new int [ 10 ] ; unsafe { fixed ( int* pArray = & array [ 0 ] ) { } // or just 'array ' } | How to pin the whole array in C # using the keyword fixed |
C_sharp : I just relfected over WindowsBase.dll > > System.Windows.UncommonField < T > and I wondered about the usage of this class ... E.g . it 's used in the Button-class : So what is the use of this `` wrapper '' ? <code> public class Button : ButtonBase { private static readonly UncommonField < KeyboardFocusChanged... | The use of UncommonField < T > in WPF |
C_sharp : Is there a way to have a common logic to retrieve the file size on disk regardless of the underlying operating system ? The following code works for windows but obviously does n't for Linux.Alternatively , I 'm looking for a similar implementation that would work on Linux . Can anyone point me in the right di... | C # .net Core - Get file size on disk - Cross platform solution |
C_sharp : I 'm using method overloading in Assembly A : When I try to call the second overload from Assembly B , VS produces the following compile-time error : The type 'System.Data.Entity.DbContext ' is defined in an assembly that is not referenced . You must add a reference to assembly 'EntityFramework , Version=6.0.... | Weird `` assembly not referenced '' error when trying to call a valid method overload |
C_sharp : hi everybody I want used shortcut key ( using left and right key ) in wpf and tabcontrol to navigation between tabitem I set code in Window_KeyDown ( object sender , System.Windows.Input.KeyEventArgs e ) like this : but it 's not do anything I want navigation between tabitem with left and right keythanks <cod... | how to navigate between tabitem with Left and Right Key in WPF |
C_sharp : First of all , this will not be a post about Database Transactions . I want to know more about the TransactionModel in .NET 2.0 and higher . Since I am developing against .NET 3.5 newer models are apprechiated.Now , what I would like to acheive is something like the followingWhich would mean that when the Mon... | Transactions in C # |
C_sharp : If I have an IOrderedEnumberable < Car > , I sort it and then do a projecting query ... is the order preserved in the projection ? For example , does this scenario work ? Does the name of the top3FastestCarManufacturers variable convey the meaning of what has really happened in the code ? <code> IOrderedEnumb... | In LINQ , do projections off an IOrderedEnumerable < T > preserve the order ? |
C_sharp : I know that 's not possible as written , and as far as I understand it 's just simply not allowed ( although I would love nothing more than to be wrong about that ) . The first solution that comes to mind is to use an object initializer , but let 's suppose that 's a last resort because it would conflict with... | Instantiating a generic type with an overloaded constructor |
C_sharp : I was reading `` CLR via C # '' and it seems that in this example , the object that was initially assigned to 'obj ' will be eligible for Garbage Collection after line 1 is executed , not after line 2.That 's because local variable lifespan defined not by scope in which it was defined , but by last time you r... | Objects lifespan in Java vs .Net |
C_sharp : I am trying to learn ASP.NET 5 . I am using it on Mac OS X . At this time , I have a config.json file that looks like the following : config.jsonI am trying to figure out how to load these settings into a configuration file in Startup.cs . Currently , I have a file that looks like this : Configuration.csThen ... | ASP.NET 5 ( vNext ) - Configuration |
C_sharp : Why does new List < string > ( ) .ToString ( ) ; return the following : ? Why would n't it just bring back System.Collections.Generic.List < System.String > . What 's with the strange non C # syntax ? <code> System.Collections.Generic.List ` 1 [ System.String ] | Why does ToString ( ) on generic types have square brackets ? |
C_sharp : I found this link to make full-text search work through linq . However , the code seems to be targeting database first approach . How to make it work with Database First Approach ? Relevant part of code : As seen above the function OnModelCreating is only called in Code First Approach . I wonder what needs to... | EF6 : Full-text Search with Database First Approach |
C_sharp : Error : The type arguments for method GraphMLExtensions.SerializeToGraphML < TVertex , TEdge , TGraph > ( TGraph , XmlWriter ) can not be inferred from the usage.The code is copied from QuickGraph 's documentation . However when I write it explicitly it works : Edit : I saw some related questions , but they a... | Extension method does n't work ( Quick Graph Serialization ) |
C_sharp : I 'm creating a service that will monitor a specific folder and print any file that is put in this folder . I 'm having difficulties with the various file types that could be sent to the folder to be printed.My first attempt is with Microsoft Office files . What I 'm trying to do is start the office to print ... | Printing any file type |
C_sharp : If one of the strings is n't 10 characters long I 'd get an ArgumentOutOfRangeException . In this case its fairly trivial to find out and I know I can do With more complex object construction errors like this are n't always easy to see though . Is there a way to see what string was n't long enough via excepti... | LINQ Iterator Exception Handling |
C_sharp : I try to write System Tests in NUnit and I want to Invoke the UI using the UI Automation from ms.For some reason my Invokes fail - I found some hints online that got me to a state where I can write a compiling test but my assertion fails.Here is a compileable minimal example . My problem is the failing test i... | How to Invoke a setter for a WPF Textbox in an NUnit Test |
C_sharp : I have a co-worker who uses a C # refactoring tool . The tool for some reason perfers : overNow we 've asked him to turn it off simply because it 's annoying to have all the code re-written automatically , but that 's not the point.Am I missing something , or is this just wrong ? Why on earth would I want thi... | Foo ( ) vs this.Foo ( ) |
C_sharp : As described in my previous question : Asp.net web API 2 separation Of Web client and web server development In order to get full separation of client and server , I want to set a variable to hold the end point for client requests . When client side is developed , the requests will be sent to a `` stub server... | Web api - Use Gulp task to dynamically set end point address |
C_sharp : I 've found a difference in overload resolution between the C # and the VB-compiler . I 'm not sure if it 's an error or by design : Note that it does n't matter if the overloaded Foo-methods are defined in VB or not . The only thing that matters is that the call site is in VB.The VB-compiler will report an e... | Is this an error in the VB.NET compiler or by design ? |
C_sharp : What is happening below ? i is being converted to string in both cases . I am confusing myself with the idea of operator precedence ( although this example does n't show much of that ) and evaluation direction . Sometimes evaluation happens from left-to-right or vice versa . I do n't exactly know the science ... | Why is the integer converted to string in this case ? |
C_sharp : I have a little C # app that is extracting text from a Microsoft Publisher file via the COM Interop API.This works fine , but I 'm struggling if I have multiple styles in one section . Potentially every character in a word could have a different font , format , etc.Do I really have to compare character after ... | Get different style sections in Microsoft Publisher via Interop |
C_sharp : I 'm working on an MVC page that requires conditional validation.When a user selects a country from a dropdownlist , if they select one of two specific countries , then a box is displayed containing two text boxes which are required . I would like validation to activate in this case , and if they select any o... | ASP.net MVC conditional validation |
C_sharp : 1 ) If one operand is of type ulong , while the other operand is of type sbyte/short/int/long , then compile-time error occurs . I fail to see the logic in this . Thus , why would it be bad idea for both operands to instead be promoted to type double or float ? b ) Compiler implicitly converts int literal int... | Instead of error , why do n't both operands get promoted to float or double ? |
C_sharp : Sorry about the stupid title , had no idea how to word thisI 'm creating a class that has two lists of the same type . It 's used to copy a reference to a object in the first list to the second list.While both lists will be of the same type ( hold the same type of object ) it can be different each time this c... | C # : Implementation of two abstract lists within a non-generic class ? |
C_sharp : I 've noticed that static methods seem more popular in F # than C # . In C # , you 'd always add an element to a collection by calling an instance method : But in F # there is usually an equivalent static method : And I 've seen the latter form quite often in samples . Both appear to me completely identical b... | F # coding style - static vs instance methods |
C_sharp : Here 's a code reproducing the behavior I 'm expecting to get : The behavior is the same for any VS starting from VS2008 ( did not check on earlier versions ) .If you run it under debug ( using a standard debugging settings ) you 're not allowed to continue until you fix the code ( using the EnC ) . Hitting F... | Visual Studio : edit-and-continue on handled exceptions ? |
C_sharp : After installing Visual Studio 2015 Update 1 on my machine I saw that some of my unit tests failed . After doing some investigation I was able to reduce the problem to this line of code : When hovering over the expression variable the results were different in the versions of Visual Studio : VS 2015 : VS 2015... | Expressions breaking code when compiled using VS2015 Update 1 |
C_sharp : I 'm getting recurring word counts in StringBuilder ( sb ) with this code which i 've found on internet and according to writer it 's really consistent like Word 's word counter.This is my sample text : The green algae ( singular : green alga ) are a large , informal grouping of algae consisting of the Chloro... | How to find recurring word groups in text with C # ? |
C_sharp : I 'm new to LINQ . I understand it 's purpose . But I ca n't quite figure it out . I have an XML set that looks like the following : I have loaded this XML into an XDocument as such : Now , I 'm trying to get the results into POCO format . In an effort to do this , I 'm currently using : How do I get a collec... | LINQ to XML via C # |
C_sharp : This is a bit difficult to describe , but I need to mock/stub a method to return an instance of T based on inputs.The message signature looks like : Here is the code within the SUT : Here is what the setup should look like in my unit test : This does n't compile because x is an Action.Is what I 'm trying to d... | Mocking Action < T > to Return Value Based on Parameters |
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