TypeScript-'s Angular Framework Error - "There is no directive with exportAs set to ngForm"

I keep getting this error while using TypeScript's Angular2-forms framework: > `directive` Here's my code project dependencies : ``` "dependencies": { "@angular/common": "2.0.0-rc.6", "@an...

Cannot find module 'react'

I'm attempting to integrate React into an existing web page. At this time, I'm unable to get my React app loaded. My React app has two files. At this time, they look like this: ``` import React fro...

18 Sep at 13:23

Sublime text 3. How to edit multiple lines?

I was using Notepad++ and now I want to use the same cool features in Sublime but I don't know how. I want to edit multiple lines at the same time like this: [](https://i.stack.imgur.com/o9rtC.png) ...

22 Jan at 16:54

Difference between Command (ICommand) and Click event

When should I use the `Command` and when to use the `Click` event? F.e. if I have a `Button` in my UWP app what should I use?

ERROR: In file './docker-compose.yml', service 'volumes' must be a mapping not an array

My docker-compose.yml looks like the below and I am trying to follow the compose file from the docker registry documentation [here](https://docs.docker.com/registry/deploying/). When i run docker-comp...

Create a set from a series in pandas

I have a dataframe extracted from Kaggle's San Fransico Salaries: [https://www.kaggle.com/kaggle/sf-salaries](https://www.kaggle.com/kaggle/sf-salaries) and I wish to create a set of the values of a c...

23 May at 12:17

How to create unique keys for React elements?

I am making a React app that allows you to make a list and save it, but React has been giving me a warning that my elements don't have a unique key prop (elements List/ListForm). How should I create a...

17 Sep at 16:57

React-Native, Scroll View Not Scrolling

When I wrap content like this example below, it scrolls Perfectly.. ``` return( <ScrollView> <Text> TEST </Text> <Text> TEST </Text> <Text> TEST </Text> <Text> TES...

11 Oct at 13:40

C# List definition, parentheses vs curly braces

I've just noticed that when you declare a `List` in c# you can put parentheses or curly braces at the end. ``` List<string> myList = new List<string>(); List<string> myList2 = new List<string>{}; ```...

17 Sep at 21:4

<ng-container> vs <template>

`ng-container` is mentioned in the [official documentation](https://angular.io/guide/structural-directives#ng-container) but I'm still trying to understand how it works and what are use cases. It is p...

How to open an URL in Swift?

`openURL` has been deprecated in Swift 3. Can anyone provide some examples of how the replacement `openURL:options:completionHandler:` works when trying to open an url?

15 Jun at 08:13

Updating user by UserManager.Update() in ASP.NET Identity 2

I use `ASP.NET Identity 2` in an `MVC 5` project and I want to update `Student` data by using `UserManager.Update()` method. However, as I inherit from `ApplicationUser` class, I need to map `Student`...

Enable VT-x in your BIOS security settings (refer to documentation for your computer)

While I was adding a virtual device in my Android Studio, Android Studio is Showing This Error. See This Image: [](https://i.stack.imgur.com/X4fNh.jpg) .

17 Sep at 04:47

Azure Functions - Shared classes

I want to use some shared classes on my Azure Functions to not duplicate code. I have tried to create a empty C# function and create the classes inside the function and then import to the other funct...

27 Jul at 08:48

pyvenv not working because ensurepip is not available

I upgraded from ubuntu 14.04 to ubuntu 16.04 a few days ago. When I try to create a virtual env by using ``` pyvenv .venv ``` or ``` python3 -m venv .venv ``` There is an error: ``` The virtual envi...

22 Jan at 15:40

Using setTimeout on promise chain

Here i am trying to wrap my head around promises.Here on first request i fetch a set of links.and on next request i fetch the content of first link.But i want to make a delay before returning next pro...

14 Dec at 08:21

How to add new column in existing View in SQL-Server 2014 using Alter

I have created a view that is based on another view and a table. I want to add new column of type varchar. I did like below, But getting syntax error? I am new to SQL, So,could not understand ``` ALT...

16 Sep at 15:34

System.UnauthorizedAccessException: Access to the path "..." is denied

I have C# wpf installation done with .net using click once installation. All works fine. Then I have the following code which is part of the installed program: ``` String destinationPath = System.Win...

16 Sep at 15:19

TypeError: first argument must be an iterable of pandas objects, you passed an object of type "DataFrame"

I have a big dataframe and I try to split that and after `concat` that. I use ``` df2 = pd.read_csv('et_users.csv', header=None, names=names2, chunksize=100000) for chunk in df2: chunk['ID'] = ch...

2 Sep at 19:40

Multiselect from Ax 2012 Listpage (EP) to downloadDocument.aspx

I have been struggling with this for a while now and can't seem to find a solution for my problem. I would really like some help here if possible, it would mean a great deal to me. I'm currently runn...

C# get location of knownfolder by ID

I want to get the location of a directory/folder by its ID. For example, the Downloads folder has the ID `knownfolder:{374DE290-123F-4565-9164-39C4925E467B}`, when I enter it into the address bar of w...

16 Sep at 13:11

Object must implement IConvertible (InvalidCastException) while casting to interface

I'm trying to cast an object of a certain type to an interface it implements using `Convert.ChangeType()`, however an `InvalidCastException` gets thrown because . The types: ``` public IDocumentSet ...

16 Sep at 11:28

bulk creating keys in Redis C# - SocketException: Only one usage of each socket address (protocol/network address/port) is normally permitted

I'm bulk creating keys in Redis dB under multi-threading environment for some reason in my ASP.NET MVC Web Application. And I'm using [ServiceStack.Redis](https://github.com/ServiceStack/ServiceStack....

Force HttpWebRequest to send client certificate

I have a p12 certificate, that I load it in this way: ``` X509Certificate2 certificate = new X509Certificate2(certName, password, X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.Persi...

16 Sep at 10:15

Reading SQL Varbinary Blob from Database

I am working on saving files to sql blob to a varbinary(max) column, and have got the save side of things working now (I believe). What I can't figure out is how to read the data out, given that I'm ...

27 Sep at 16:13