ASP - Core Migrate EF Core SQL DB on Startup

Is it possible to have my ASP Core Web API ensure the DB is migrated to the latest migration using EF Core? I know this can be done through the command line, but I want to do it programatically.

No data available for encoding 1252 - Xamarin

I am using Xamarin to develop an Android app, while trying to convert text to `byte[]` I get the following error: > no data is available for encoding 1252 My code: ``` byte[] mybyteA= Portable.Text...

12 Jun at 22:7

How to make Check Box List in ASP.Net MVC

I have a form with a list of checkboxes. A user can select all values, no values, or any in between. Example: ![screenshot of Goal](https://i.stack.imgur.com/8qQiW.png) I would like to write the res...

22 Mar at 20:5

required_if Laravel 5 validation

I have form that a user can fill-out for selling their home. And for one of the in puts, a user must select weather it will be "For Sale" or "For Rent". If it is For Sale, two price input fields will ...

12 Jun at 18:13

Pycharm/Python OpenCV and CV2 install error

I've been trying to install both OpenCV and cv2 from both Pycharm and from the terminal as suggested using: ``` pip install --user opencv pip install --user cv2 ``` but I'm getting the following er...

12 Jun at 15:54

Remove "api" prefix from Web API url

I've got an API controller ``` public class MyController : ApiController { ... } ``` By default it is mapped to URL `mysite/api/My/Method`, and I'd like it to have URL without "api" prefix: `mysite...

Unable to self-update Composer

I am trying to update Composer without any luck! What I have tried: ``` $ composer self-update ``` > [InvalidArgumentException] Command "self-update" is not defined. ``` $ sudo -H composer self-updat...

21 Apr at 15:21

Chaining Observables in RxJS

I'm learning RxJS and Angular 2. Let's say I have a promise chain with multiple async function calls which depend on the previous one's result which looks like: ``` var promiseChain = new Promise((r...

How to check if String ends with something from a list. C#

I want to take a user's input, and check if the end of what they put in ends with something. But it's more than one string. I have it in a list. And I could check if the input ends with a string from ...

22 Sep at 16:10

How to implement sleep function in TypeScript?

I'm developing a website in Angular 2 using TypeScript and I was wondering if there was a way to implement `thread.sleep(ms)` functionality. My use case is to redirect the users after submitting a for...

13 Jan at 12:47

Split string at first space and get 2 sub strings in c#

I have a string like this ``` INIXA4 Agartala INAGX4 Agatti Island ``` I want to split such a way that it will be like `INAGX4` & `Agatti Island` If I am using `var commands = line.Split(' ');` ...

11 Jun at 10:46

Set default host and port for ng serve in config file

I want to know if i can set a host and a port in a config file so I don't have to type ``` ng serve --host foo.bar --port 80 ``` instead of just ``` ng serve ```

13 Jun at 13:6

How do I select and store columns greater than a number in pandas?

I have a pandas DataFrame with a column of integers. I want the rows containing numbers greater than 10. I am able to evaluate True or False but not the actual value, by doing: ``` df['ints'] = df['i...

11 Jun at 08:17

How to initialize an array in angular2 and typescript

Why does this happen in Angular2 and Typescript? ``` export class Environment { constructor( id: string, name: string ) { } } environments = new Environment('a','b'); app/en...

11 Jun at 08:40

How to get the indices list of all NaN value in numpy array?

Say now I have a numpy array which is defined as, ``` [[1,2,3,4], [2,3,NaN,5], [NaN,5,2,3]] ``` Now I want to have a list that contains all the indices of the missing values, which is `[(1,2),(2,0)...

10 Jun at 18:26

How to vertically center text in a <span>?

How can I vertically center text that is wrapped in a `<span>`? The `<span>` must have `min-height` of `45px`. Here is what I am envisioning: ``` -------- ------- text ...

9 Jun at 13:46

How can I embed SVG into HTML in an email, so that it's visible in most/all email browsers?

I want to generate graphs in SVG, and email an HTML page with those graphs embedded in it (not stored on a server and shown with linked images). I've tried directly embedding the SVG, using the Obje...

10 Jun at 17:19

Instagram new logo css background

Recently, Instagram logo has changed as you all know. I need vector logo but it is not possible, I mean gradients. Is there any css code for new logo?

10 Jun at 14:57

Send HTTP POST message in ASP.NET Core using HttpClient PostAsJsonAsync

I want to send dynamic object like ``` new { x = 1, y = 2 }; ``` as body of HTTP POST message. So I try to write ``` var client = new HttpClient(); ``` but I can't find method ``` client.PostA...

10 Jun at 14:12

Conversion of List to Page in Spring

I am trying to convert list to page in spring. I have converted it using > new PageImpl(users, pageable, users.size()); But now I having problem with sorting and pagination itself. When I try passi...

Use pytesseract OCR to recognize text from an image

I need to use Pytesseract to extract text from this picture: [](https://i.stack.imgur.com/HWLay.gif) and the code: ``` from PIL import Image, ImageEnhance, ImageFilter import pytesseract path = 'pic.g...

How can I pass a runtime parameter as part of the dependency resolution?

I need to be able to pass a connection string into some of my service implementations. I am doing this in the constructor. The connection string is configurable by user will be added the ClaimsPrincip...

What is the difference XElement Nodes() vs Elements()?

Documentation says: --- XContainer.Nodes Method () Returns a collection of the child nodes of this element or document, in document order. Remarks Note that the content does not include attribut...

10 Jun at 09:19

Xamarin Forms: ContentPages in TabbedPage

I am trying to put some custom Content Pages into a Tabbed Page. Sadly I am not sure, how to do this with the XAML syntax. My dummy project looks like the following: Page 1 ``` <?xml version="1.0" e...

10 Jun at 09:18

Visual studio code CSS indentation and formatting

I'd like to know if there is any way to activate auto indent a CSS file in visual studio code with the shortcut ++? It's working fine with JavaScript but strangely not with CSS.

24 Aug at 13:19