Redirect url to previous page in laravel

How to redirect to previous page in laravel5.2 like URI Referrer in php. I've tried $request->url(); but it gets the current url. I've a form and list pages.There are many lists that redirects to ...

13 Jun at 07:40

Get the list of installed packages by user in R

How we can get the list of installed packages by user in R along with its version? I know about the command `installed.packages()` which will give information about all packages (base or non-base). B...

20 Jul at 13:44

Getting "Cannot call a class as a function" in my React Project

I'm trying to add a React map component to my project but run into an error. I'm using Fullstack React's [blog post](https://www.fullstackreact.com/articles/how-to-write-a-google-maps-react-component/...

Serilog : Log to different files

I am logging events of all types to single Json file irrespective of LogLevel. Now I have a requirement to log some custom performance counters to a seperate Json file. How can this be done in Serilog...

20 Jul at 12:40

Windows Application - handle taskkill

I have a C# application which's `Output Type` is set to `Windows Application`, so it is basically just a process running in the background. I can see the process in task manager, and I am trying to gr...

20 Jul at 12:0

Builder pattern with nested objects

Hi I'm stuck with a problem. I want to implement the builder pattern to make creating my objects easier. The problem I face has to do with nested object. The object I would like to create has a list ...

What are the parameters for the number Pipe - Angular 2

I have used the number pipe below to limit numbers to two decimal places. ``` {{ exampleNumber | number : '1.2-2' }} ``` I was wondering what the logic behind '1.2-2' was? I have played around with...

20 Jul at 09:54

servicestack app on web host

I have mvc integrated with serviceStack app and it works fine when it is not hosted. On the internet website crashes when I try to get data from the database through service. Do I need another connect...

20 Jul at 09:26

How to set .NET Core in #if statement for compilation

I created a multi-targeted framework project. I use something like this: ``` #if NET40 Console.WriteLine("Hello from .NET Core 4"); #endif ``` But I can't find a wildcard for .NET Core. I tri...

How to resolve unable to acquire singleton lock issue in Azure WebJob?

I am getting unable to acquire singleton lock issue when I am running the application locally. How may I resolve it? Below is my code ```csharp static void Main() { JobHostConfiguration config = new...

23 May at 12:34

What does this[string key] mean

I looked at `IRequestCookieCollection` code from `Microsoft.AspNetCore.Http` assembly: ``` // // Summary: // Represents the HttpRequest cookie collection [DefaultMember("Item")] public in...

20 Jul at 07:41

Get a file SHA256 Hash code and Checksum

Previously I asked a [question](https://stackoverflow.com/questions/38459428/use-a-combination-of-sha1md5) about combining SHA1+MD5 but after that I understand calculating SHA1 and then MD5 of a lagrg...

20 Jun at 09:12

How to change the operation names of a ServiceStack soap12 proxy?

Given the following service definition: ``` public class RuleEngineServices : Service { public object Any(ExecuteRule request) { var response = new ExecuteRuleResponse(); re...

19 Jul at 21:11

RealProxy in dotnet core?

I'm working with the namespaces `System.Runtime.Remoting.Proxies` and `System.Runtime.Remoting.Messaging` for AOP in C#. I'm trying to port my application from .Net Framework 4.6 to dnxcore/dotnet cor...

19 Jul at 20:18

Import JavaScript file and call functions using webpack, ES6, ReactJS

Trying to do something I would think would be very simple. I would like to import an existing JavaScript library and then call it's functions. So for example I would like to import blah.js and then c...

19 Jul at 20:7

PATCH when working with DTO

I'm working on asp.net core webAPi and EF core, and want to implement "update" operation (partially edit entity). I searched the correct way to deal with that, and saw that I should use jsonPatch. the...

Can't connect to Postgresql on port 5432

I have PostgreSQL 9.3 installed on a server running Ubuntu Server 14.04. If I ssh into the server via terminal, I'm able to connect with psql. But when I try to configure pgAdmin III to do the remote...

19 Jul at 18:51

Pandas KeyError: value not in index

I have the following code, ``` df = pd.read_csv(CsvFileName) p = df.pivot_table(index=['Hour'], columns='DOW', values='Changes', aggfunc=np.mean).round(0) p.fillna(0, inplace=True) p[["1Sun", "2Mo...

7 Dec at 10:18

Conda uninstall one package and one package only

When I try to uninstall `pandas` from my `conda` virtual env, I see that it tries to uninstall more packages as well: ``` $ conda uninstall pandas Using Anaconda Cloud api site https://api.anaconda.o...

23 May at 12:34

iOS 10: "[App] if we're in the real pre-commit handler we can't actually add any new fences due to CA restriction"

I sometimes get this message in the logs of Xcode 8b3 when running my app, everything seems to work, but I'd like to know where this comes from. Google did not help at all.

24 Jul at 14:35

Limit to 2 decimal places with a simple pipe

I have found an example which limits a number to 2 decimal places AND turns the figure into a currency amount- eg £2.55. ``` {{ number | currency : 'GBP' : true : '1.2-2'}} ``` Is there a simple pi...

13 Apr at 21:7

How can I add an extension method to many classes?

I have about 1000 classes in which i need to count the number of properties of. I have the following code: ``` public static int NumberOfProperties() { Type type = typeof(C507); r...

19 Jul at 11:8

How to get request cookies in Web API authorization attribute?

In .NET there are two `AuthorizeAttribute` classes. One defined in `System.Web.Http` namespace: ``` namespace System.Web.Http { // Summary: // Specifies the authorization filter that veri...

FluentValidation modify error message in Must function

Inside class that is responsible for validation I have simple rule: ``` RuleFor(u => u.Id) .Cascade(CascadeMode.StopOnFirstFailure) .NotEmpty().WithMessage("Id is required") .Must(Validat...

19 Jul at 09:32

Why can arrays not be trimmed?

On the MSDN Documentation site it says the following about the `Array.Resize` method: > If newSize is greater than the Length of the old array, a new array is allocated and all the elements are copied...

20 Jun at 09:12