Laravel Migrate Specific File(s) from Migrations

Hi read all the included documentation here in [https://laravel.com/docs/5.4/migrations](https://laravel.com/docs/5.4/migrations). Is there a way on how to migrate a certain migration file (1 migrati...

16 Sep at 12:36

is there a null conditional operator in Vbnet?

cIn C# there is a null conditional operator `?.` (sometimes called the Elvis operator) like so: ``` var name = project?.customer?.name; ``` which doesn't fail but instead return `null` if `project`...

2 Aug at 21:24

ExpressionChangedAfterItHasBeenCheckedError: Expression has changed after it was checked. Previous value: 'undefined'

I know there are a lot of same questions already posted in stack-overflow and tried different solutions to avoid the run-time error but None of them are working for me. [](https://i.stack.imgur.com/4...

23 Apr at 20:25

Angular 2 /4 adal-angular4 active directory authenticate to API issue

I've been following this example to access azure active directory from an angular (4) application: [https://github.com/benbaran/adal-angular4-example](https://github.com/benbaran/adal-angular4-example...

Count the Number of Tables in a SQL Server Database

I have a SQL Server 2012 database called `MyDatabase`. How can I find how many tables are in the database? I'm assuming the format of the query would be something like the following, but I don't know...

Include Nuget dependencies in my build output?

I am building a modular .NET core application that can load extensions at runtime using MEF. I have 2 projects, one is a library that I want to be able to load at runtime, then I have my main applicat...

Marshal a va_list

I have the following code: ``` [UnmanagedFunctionPointer(CallingConvention.Cdecl)] public delegate void PanicFuncDelegate(string str, IntPtr args); private void PanicFunc(string str, IntPtr args) { ...

4 Nov at 00:53

Using ffmpeg to change framerate

I am trying to convert a video clip (MP4, yuv420p) from 30 fps to 24 fps. The number of frames is correct so my output should change from 20 minutes at 30fps to 25 minutes at 24fps. Everything else sh...

2 Aug at 16:2

NotificationCompat.Builder deprecated in Android O

After upgrading my project to ``` buildToolsVersion "26.0.1" ``` Lint in Android Studio is showing a deprecated warning for the follow notification builder method: ``` new NotificationCompat.Buil...

Passing a generic <TObject> class to a form

I can't seem to find out the answer to this through searching, so here goes.... I know that I can pass Class objects generically to other classes by utilising this type of code: Then constructing in t...

6 May at 20:45

Lombok problems with Eclipse Oxygen

I upgraded recently to the new Eclipse version (Oxygen). I downloaded the lombok.jar from the website and installed it. This is how the `eclipse.ini` looks like after installation: ``` -startup plugi...

6 Aug at 18:50

How to set the maximum width of a column in CSS Grid Layout?

Using [CSS Grid Layout](https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Grid_Layout), to have a page with a right column which size is derived from its content, but only up to 20% of the windo...

Could not load file or assembly 'System.Net.Http'

``` Could not load file or assembly 'System.Net.Http, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified. Stack...

2 Aug at 10:50

Make text show up on hover over button

What I want to do is have something like this: ``` <button class="addMore">+</button> ``` Do an effect like this: [https://i.gyazo.com/d353b657df39c0e6ff159bfdb713f6a4.mp4](https://i.gyazo.com/d35...

2 Aug at 09:15

Mongo C# - Where is FindOne?

I'm having trouble understanding how to do a `findOne` operation in the Mongo C# 2.4 driver. I have a collection with just over 9.1 million, flat documents. When I perform a `findOne` in Robomongo, ...

2 Aug at 07:53

Access values from LINQ GroupBy

I have a linq query looking like this: ``` var myGrouping = ( from p in context.Products join pt in context.ProductTypes on p.productId equals pt.productId ...

2 Aug at 06:59

How to make a formControl readonly

How to make a formControl in angular readonly I know i can do it in html like ``` <input type="text" formControlName="xyz" readonly /> ``` how to do it from JS Code and not html i.e in a model dr...

2 Aug at 05:44

Conditional Access expression cannot be assigned - C# null-propagation += events

One of my favorite C# features added is the "[null-propagation](https://msdn.microsoft.com/en-us/magazine/dn802602.aspx)" in CS6. This has cleaned up so much code for many of us. I came across a sit...

How does this seemingly unconnected block (after an if statement) work?

I've inherited some code that makes occasional use of the following if notation: ``` if (a) foo(); { if (b) boo(); moo(); } ``` I'm not sure how to read that naturally but the c...

2 Aug at 16:13

NETCORE MVC - How to work with nested, multi-parameterized routes

Looking for best practices when working with nested routes in .NET Core MVC. Let's say `CampusController.cs` works with a base model: ``` [Route("api/campus/")] public class CampusController : Contr...

Why exactly is void async bad?

So I understand why returning void from async would normally make no sense, but I've ran into a situation where I think it would be perfectly valid. Consider the following contrived example: ``` prot...

1 Aug at 21:28

Change the Table's Alias name runtime in ServiceStack.OrmLite

I have a application contains IdentityDbContext and I want to select data using ServiceStack.OrmLite and I want to know how can I change the alias name ``` public class ApplicationDbContext : Identit...

Chrome javascript error: Refused to get unsafe header X-Response-Time with servicestack

I am getting this error in the chrome console. I added the X-Response-Time header to allowedHeaders to the CorsFeatures ``` Plugins.Add(new CorsFeature( "*", allowCredentials: true, allowedHeaders: ...

1 Aug at 18:11

Get the value of authorization bearer in Service stack

I have following scenario , Mobile client --->Service stack api(A) --->A Wcf service(B) I am sending an access token from mobile client as Http Authorization header to service stack api (B)I don't n...

1 Aug at 16:52

How can I create a dropdown menu from a List in Tkinter?

I am creating a GUI that builds information about a person. I want the user to select their birth month using a drop down bar, with the months configured earlier as a list format. ``` from tkinter i...

6 Mar at 16:1