Compiling an application for use in highly radioactive environments

We are compiling an embedded C++ application that is deployed in a shielded device in an environment bombarded with [ionizing radiation](https://en.wikipedia.org/wiki/Ionizing_radiation). We are using...

24 Nov at 14:7

What are the pros and cons of parquet format compared to other formats?

Characteristics of Apache Parquet are : - - - In comparison to Avro, Sequence Files, RC File etc. I want an overview of the formats. I have already read : [How Impala Works with Hadoop File Formats...

18 Apr at 10:30

Read-Only Property in C# 6.0

Microsoft introduce a new syntax in C#6 that let you set your property to read-only as below: ``` public class Animal { public string MostDangerous { get; } = "Mosquito"; } ``` I am wondering w...

24 Apr at 07:0

Issue With Spring: There was an unexpected error (type=Not Found, status=404)

I am going through this book on restful web services with spring. I decided to move away from what they were doing and use java configuration files. For some reason, after switching over to the Java c...

15 Mar at 22:29

Register Container Itself Using Autofac

I was wondering is there's any side effect to registering the container within itself ``` IContainer container; ContainerBuilder builder = new ContainerBuilder(); container = builder.Build(); builde...

How do I call an Angular 2 pipe with multiple arguments?

I know I can call a pipe like this: ``` {{ myData | date:'fullDate' }} ``` Here the date pipe takes only one argument. What is the syntax to call a pipe with more parameters, from component's templ...

21 Dec at 19:44

Is it safe to create and use a disposable object inline?

I have seen so many times developers using a disposable object inline, [here](https://stackoverflow.com/a/18796518/6170636) for instance. By inline I mean: ``` var result = new DataTable().Compute("1...

23 May at 12:16

Dynamically change connection string in Asp.Net Core

I want to change sql connection string in controller, not in ApplicationDbContext. I'm using Asp.Net Core and Entity Framework Core. For example: ``` public class MyController : Controller { pri...

Passing/exposing T on a ServiceStack request filter

I've got a request attribute that I'm decorating some services, but I need to pass a generic type into it because of some logic happening inside of it. It looks like so: ``` [SomeAttribute(typeof(MyC...

C# HashSet<T> read-only workaround

Here is this sample code: ``` static class Store { private static List<String> strList = new List<string>(); private static HashSet<String> strHashSet = new HashSet<string>(); public sta...

WinForms app changes its scaling after opening WPF window from form

At first I would like to give some context of problem: We have large legacy WinForms application, which we decided to move to WPF. But its impossible (for many reasons, including business) to complete...

23 Apr at 19:7

Visual Studio Code - Convert spaces to tabs

I have both TypeScript and HTML files in my project, in both files tabs are converted to spaces. I want to turn the auto-conversion off and make sure that my project has only tabs. Edit: With this set...

9 Sep at 08:31

Connection refused on docker container

I'm new to Docker and trying to make a demo Rails app. I made a dockerfile that looks like this: ``` FROM ruby:2.2 MAINTAINER marko@codeship.com # Install apt based dependencies required to run Rai...

23 Apr at 16:52

How to display only files from aws s3 ls command?

I am using AWS CLI to list the files in an AWS S3 bucket using the following command ([aws s3 ls](http://docs.aws.amazon.com/cli/latest/reference/s3/ls.html)): ``` aws s3 ls s3://mybucket --recursive ...

How to change value of a request parameter in laravel

I need to change value of my request parameter like this: ``` $request->name = "My Value!"; ``` I use this code but does not work: ``` $request->offsetSet('img', $img); ```

20 Mar at 19:24

ServiceStack MQ server shutdown does not wait for worker background threads to complete

I'm using ServiceStack MQ (ServiceStack.Aws.Sqs.SqsMqServer v4.0.54). I'm running MQ server inside a Windows Service. When the Windows service is about to shutdown, I would like to wait for all ...

23 Apr at 00:38

ServiceStack request parameters missing

I'm doing a service with ServiceStack, and I'm having a problem. I don´t see the request parameters, so, when I call the method, all parameters of the request are null. Here is the code: ``` public c...

23 Apr at 00:21

Algorithm To Calculate Different Types Of Memory

I am trying to calculate memory. I have calculated Available, InUse, Free, and Cached with the following code ``` ObjectQuery wql = new ObjectQuery("SELECT * FROM Win32_OperatingSystem"); ...

25 Apr at 15:48

Sequential await VS Continuation await

I was wondering what is the best/correct way of writing asynchronous code that is composed of two (or more) async and dependent (the first have to finish to execute second) operations. Example with a...

22 Apr at 15:44

When should I use curly braces for ES6 import?

It seems to be obvious, but I found myself a bit confused about when to use curly braces for importing a single module in ES6. For example, in the React-Native project I am working on, I have the foll...

31 Dec at 02:0

How to mention @channel(All the team members) using slack api while post message

I want to post a message in slack using api. How can I mention all the team members of a channel just like @channel in slack?

22 Apr at 13:37

Transient errors during SQL Server failovers

We have a client application accessing a SQL Server database (mirrored and clustered) through a C# dll with retry logic on specific error numbers. We are having issues during fail overs where transie...

25 Apr at 14:35

How to use ASP.net Core 1 "SignInManager" without EntityFramework

I'm looking to implement ASP.net authentication via the SignInManager but without the EntityFramework. I have built my own database layer using SQLClient and want to just create whatever calls is nee...

Omitted setter vs private setter?

What is the difference between a property with a omitted setter and a property with a private setter? ``` public string Foo { get; private set; } ``` vs ``` public string Foo { get; } ```

22 Apr at 11:16

Package php5 have no installation candidate (Ubuntu 16.04)

When i try to install php5 in Ubuntu 16.04 by using following code: ``` sudo apt-get install php5 php5-mcrypt ``` I get following error: ``` Reading package lists... Done Building dependency tree ...

12 Jul at 19:7