Design reasons behind making ToUpper a static method on Char
In C#, we have this non-static method on the type string: ``` "abc".ToUpper() ``` but for char, we need to use a static method: ``` char.ToUpper('a') ``` When introducing c# to beginners, they a...
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- 24 Jul at 04:46
Docker Compose keep container running
I want to start a service with docker-compose and keep the container running so I can get its IP-address via 'docker inspect'. However, the container always exits right after starting up. I tried to ...
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- 31 Dec at 12:13
Could pandas use column as index?
I have a spreadsheet like this: ``` Locality 2005 2006 2007 2008 2009 ABBOTSFORD 427000 448000 602500 600000 638500 ABERFELDIE 534000 600000 735000 710000 775000 AIREYS INLE...
Bootstrap close modal not working
I have two button here that are being used to close the modal. The first is the close icon and the other one is cancel button, both use data-dismiss to close the modal. However, both of them are not w...
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- 23 Jul at 02:59
Why do explicit interface calls on generics always call the base implementation?
Why do explicit C# interface calls within a generic method that has an interface type constraint always call the base implementation? For example, consider the following code: ``` public interface I...
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- 22 Jul at 22:15
Check if a file exists in jenkins pipeline
I am trying to run a block if a directory exists in my jenkins workspace and the pipeline step in workspace doesn't seem to work correctly. I'm using Jenkins v 1.642 and Pipeline v 2.1. and trying t...
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- 23 Dec at 00:52
Set C# console application to Unicode output
I have a C# console application, and I was trying to do some ASCII art within it. However, some of the characters I wanted to use are Unicode. So, I was searching the internet/SO and couldn't find a c...
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- 23 May at 11:47
Bad Dapper performance for parametrized queries
I was researching porting some of our EF6 code to Dapper for better performance when I ran into a weird issue. A single row query was taking **almost 10 times** as much in Dapper than it did in EF. It...
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- 6 May at 10:41
ASP.NET Core Entity Framework Core cannot find IndexAttribute
I receive the following from Visual Studio Code on my Mac, both in IDE and console window after executing "dotnet run": > The type or namespace name 'IndexAttribute' could not be found I have a class ...
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- 8 Sep at 11:25
Can ServiceStack parse similar routes?
I've got the following routes that i want defined in my app: ``` /s/customers/1234/summary ``` and ``` /s/locations/5767/summary ``` now normally i would define my route like so: ``` Add<Custom...
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- 22 Jul at 15:58
ASP.NET Core 404 Error on IIS 10
I have a problem with ASP.NET Core web application running on IIS 10. I am developing a Single Page Application with AngularJS. The index.html loads perfectly but the backend requests are failing wit...
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- 22 Jul at 23:49
WPF ListBox vs ComboBox
I'm working on an application with C# and WPF, in which I need to bind to a dictionary and display key-value pairs. How are ListBoxes different from ComboBoxes, and what are some possible advantages/d...
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- 23 May at 12:33
Namespaces for .NET JWT token validation: System vs. Microsoft
I am trying to use JWT to authenticate a Node application to an ASP.NET Web API. In ASP.NET, I am using .NET 4.5.1 and nuget package `System.IdentityModel.Tokens.Jwt` 5.0.0 What I don't understand i...
Linux Command History with date and time
I wants to check on my linux system when which command was fired - at which date and time. I fired commands like this: ``` history 50 ``` It shows me the last 50 commands history, but not with dat...
visual Unhandled exception in Debugger::HandleIPCEvent when breaking on certain breakpoint
I get the following exception (in Dutch, English translation follows in the text) which breaks my debugger when I press 'OK' it stops the debug session and closes the application: [](https://i.stack....
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- 29 May at 15:20
error APPX3212: SDK root folder for 'Portable 7.0' cannot be located
I'm trying to build my solution using TeamCity / MSBuild. It's a WebAPI project which shares some entities in a PCL with a mobile client. I see there are a few caveats around getting the PCL refere...
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- 23 May at 12:25
Sequelize - update record, and return result
I am using sequelize with MySQL. For example if I do: ``` models.People.update({OwnerId: peopleInfo.newuser}, {where: {id: peopleInfo.scenario.id}}) .then(function (result) { ...
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- 22 Jul at 11:8
Download a file with ServiceStack HttpResult: how to specify a file name for downloaded content?
I am using ServiceStack for a simple web application. The main purpose is to let a user download a file. I am using an HttpResult as follows: ``` public class FileDownloadService : Service { public ...
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- 22 Jul at 11:6
How to unpack an .asar file?
I have packed my Electron application using the following command: ``` asar pack app app.asar ``` Now, I need to unpack it and get the whole code back. Is there any way to do so?
How can I prevent bitwise OR combinations of enum values?
I know that you can use `FlagsAttribute` to instruct the compiler to use bitfields for an enumeration. Is there a way to specify that enum values cannot be combined with bitwise OR? Example: ``` en...
Change Date Format(DD/MM/YYYY) in SQL SELECT Statement
The Original SQL Statement is: ``` SELECT SA.[RequestStartDate] as 'Service Start Date', SA.[RequestEndDate] as 'Service End Date', FROM (......)SA WHERE...... ``` The output date format ...
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- 22 Jul at 08:10
Set a read only property defined in a interface within a concrete class
I have an interface with a read only property ``` public interface IPerson { string Name { get; } } ``` and a concrete class... ``` public class Person : IPerson { public Person() { ...
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- 22 Jul at 07:38
Multiple relationships to the same table in EF7(Core)
I have such models ``` public class Question { public string Id { get; set; } = Guid.NewGuid().ToString(); public Answer Answer { get; set; } public List<Variant> Variants { get; set; } ...
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- 22 Jul at 08:7
How to convert concurrentbag to list?
I have few task which I can do in parallel. As list is not thread safe i am using `concurrentbag`. Once all the task are completed I want to convert the `concurrentbag` to list. I have [searched in...
How to use JQuery with ReactJS
I'm new to ReactJS. Previously I've used jQuery to set any animation or feature that I needed. But now I'm trying to use ReactJS and minimize the use of jQuery. I'm trying to build an accordion wit...
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- 10 May at 20:37