How to implement class constants?

In TypeScript, the `const` keyword cannot be used to declare class properties. Doing so causes the compiler to an error with "A class member cannot have the 'const' keyword." I find myself in need to ...

28 Dec at 23:59

ServiceStack/ORMLite: How to conditionally include certain columns in LoadSingleById?

The requirements of this project require that certain values be retrieved/inserted based on a user's permissions level. So let's pretend I have a DB table "Users" and this class represents the class m...

Dapper and Enums as Strings

I am trying to use `Dapper` and `Dapper-Extensions` and to serialize my `enums` on the database as `string`. Right now they are serialized as integers (inside a `VARCHAR` field) instead. Is there an...

12 May at 07:35

How to declare and import typescript interfaces in a separate file

I want to define several interfaces in their own file in my typescript-based project, from which I'll implement classes for production as well as mocks for testing. However, I can't figure out what th...

16 May at 21:14

Which Enum constant will I get if the Enum values are same

Is there a logic to which constant I get if there are more than one enum constant that has the same value? I tried the variations below, but couldn't get a reasonable logic. ### Main Method: ```...

14 Jan at 21:24

Put GC on hold during a section of code

Is there a way to put the GC on hold completely for a section of code? The only thing I've found in other similar questions is `GC.TryStartNoGCRegion` but it is limited to the amount of memory you spe...

24 May at 21:8

Filter Pyspark dataframe column with None value

I'm trying to filter a PySpark dataframe that has `None` as a row value: ``` df.select('dt_mvmt').distinct().collect() [Row(dt_mvmt=u'2016-03-27'), Row(dt_mvmt=u'2016-03-28'), Row(dt_mvmt=u'2016-0...

How do I solve The Entity Framework provider exception

I have published my WCF project onto a server, i have also published an MVC application onto the same box which consumes the WCF services. When trying login on my MVC application, this uses a wcf se...

Sort collection by multiple fields in Kotlin

Let's say I have a list of People which I need to sort by Age first and then by Name. Coming from a C#-background, I can easily achieve this in said language by using LINQ: ``` var list=new List<Pe...

25 Mar at 21:59

Remove Time Zone Offset from DateTimeOffset?

This code: ``` DateTimeOffset testDateAndTime = new DateTimeOffset(2008, 5, 1, 8, 6, 32, new TimeSpan(1, 0, 0)); //CLEAN TIME AND DATE testDateAndTime = testDateAndTime.DateTime.Date; var dat...

17 Oct at 20:29

Is it possible to open developer tools console in Chrome on Android phone?

An AngularJS application works fine on desktop, but is not rendering properly on mobile (actual code is showing). This is on an Android phone. I would like to see what errors are showing in the conso...

AutoMapper throwing StackOverflowException when calling ProjectTo<T>() on IQueryable

I have created classes using EF Code First that have collections of each other. Entities: ``` public class Field { public int Id { get; set; } public string Name { get; set; } public virt...

HTML5 event handling(onfocus and onfocusout) using angular 2

I have a date field and I want to remove the place holder by default. I am using javascript `onfocus` and `onfocusout` events for removing placeholder. Can anyone help with using angular2 directive?...

5 May at 12:25

Specifying the order of matplotlib layers

Suppose I run the following script: ``` import matplotlib.pyplot as plt lineWidth = 20 plt.figure() plt.plot([0,0],[-1,1], lw=lineWidth, c='b') plt.plot([-1,1],[-1,1], lw=lineWidth, c='r') plt.plot(...

28 May at 07:30

List of all available languages for Windows .NET framework

I've been searching for the answer over the net, but I don't seem to be able to find a comprehensive list of all languages available for my app with their exact display name. (I find many lists, but n...

Create Round Button with Border IN UWP Windows 10 C#

I am trying to create a round button, with a White Border and a Transparent Background (as the old AppBarButtons in Windows 8.1) in UWP Windows 10. I have found several samples like these: [https:/...

15 May at 16:50

Dependency Injection for ASP.NET WebAPI ActionFilters using Ninject not working

I am attempting to set up DI on ActionFilters in ASP.NET WebAPI using Ninject. I followed the instructions here: [https://github.com/ninject/Ninject.Web.WebApi/wiki/Dependency-injection-for-filters](h...

17 May at 08:22

Have an "'Resource.Attribute' does not contain a definition for 'actionBarSize'" error

Was trying to debug an empty app and got "'Resource.Attribute' does not contain a definition for 'actionBarSize'" error. I have reinstalled android SDK's. ``` public static void UpdateIdValues() ...

15 May at 13:24

How to defer the update at the client side after async postback in updatepanel

I have an old system which uses `UpdatePanels` of asp.net After the `postback` is completed, we know that the inside of `UpdatePanel` is updated Can i delay this update somehow on the client side ? ...

23 May at 11:58

Interfaces vs Types in TypeScript

What is the difference between these statements (`interface` vs `type`) in TypeScript? ``` interface X { a: number b: string } type X = { a: number b: string }; ```

Python - Module Not Found

I am a beginner with Python. Before I start, here's my Python folder structure ``` -project ----src ------model --------order.py ------hello-world.py ``` Under `src` I have a folder named `model` w...

23 Apr at 20:3

NaN loss when training regression network

I have a data matrix in "one-hot encoding" (all ones and zeros) with 260,000 rows and 35 columns. I am using Keras to train a simple neural network to predict a continuous variable. The code to make...

Best way to null check in Kotlin?

Should I use double `=`, or triple `=`? ``` if(a === null) { //do something } ``` or ``` if(a == null) { //do something } ``` Similarly for 'not equals': ``` if(a !== null) { //do something...

12 Mar at 12:41

Is it possible to add custom headers to a ServiceStack Redis message?

When a message is sent to Redis using ServiceStack, the framework adds all the standard headers (`Priority`, `CreatedDate`, ...). However, is it possible to add any custom headers to that message? I'v...

14 May at 19:16

WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for jquery

In my web application I get the following error: > WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a ScriptResourceMapping named jquery(case-sensitive...

29 Mar at 19:24