Questions

Automapper performance

I'm using Automapper to map my business model to a ViewModel. It works, but it's very slow. I have a collection with 6893 objects with 23 properties (test environment, production should have much mo...

28 Jul at 15:14

iterate through all rows in specific column openpyxl

I cannot figure out how to iterate through all rows in a specified column with openpyxl. I want to print all of the cell values for all rows in column "C" Right now I have: ``` from openpyxl import...

27 Jul at 17:30

error: RPC failed; curl transfer closed with outstanding read data remaining

I'm facing this error when I try to clone a repository from GitLab (GitLab 6.6.2 4ef8369): ``` remote: Counting objects: 66352, done. remote: Compressing objects: 100% (10417/10417), done. error: RPC ...

10 Nov at 08:27

ASP.NET Core ILoggerProvider for database

I am in the middle of studying the ASP.NET Core, and I have implemented logging with a file system successfully, but how about implementing logging feature with a database solution. How to pass EF con...

5 Aug at 21:22

Button border thickness from code behind

I am very new to wpf, and right now I am working with buttons, and so I want to change buttons border thickness, but from code behind not in XAML, and what I did was next:

5 May at 17:47

HttpRequestException -- Is this a client or server issue?

Awhile ago I implemented some code to consume a REST Api using the `HttpClient` class. ``` using (var client = new HttpClient() { BaseAddress = new Uri(@"https://thirdparty.com") }) { client.Defa...

23 May at 12:22

how to delete installed library form react native project

I have installed a third party library in my project but it is not working , so I want to delete that library from my project , How can I do that ?

27 Jul at 13:3

How to upgrade pip3?

I want to use python3.5 for development, but many times when I install the module for python 3.5, it always fails. The terminal tells me that a higher version is available, but it doesn't work when I ...

24 Feb at 22:30

How to merge two arrays of objects by ID using lodash?

I have two array with one common field . how can I merge theme easily? ``` var arr1 = [{ "member" : ObjectId("57989cbe54cf5d2ce83ff9d6"), "bank" : ObjectId("575b052ca6f66a5732749ecc"), "count...

1 Jul at 23:24

Where are all the static members stored?

I'm trying to learn how C# manages memory. I am stuck on static elements, I read numerous blogs and articles on this subject, but I cannot find a quite satisfactory answer. Let's define a code block ...

Using Hangfire with ServiceStack

Is there a way of starting Hangfire background jobs from ServiceStack services? I've already been able to start jobs from within MVC where I can resolve ServiceStack services but I wanted to be able t...

27 Jul at 08:57

.Net Core how to implement SQLAdapter ./ DataTable function

I have a simple .Net Framework routine which runs a query and returns a DataTable object. I need to port this to .Net Core, however I infer that SQLAdapter and DataTable are not supported ``` SqlCon...

11 Jul at 11:28

OpenIdConnectAuthenticationHandler: message.State is null or empty

I am using UseOpenIdConnectAuthentication middleware for ASP.Net Core application to authenticate against Dells Cloud access manager token provider (setup to provide OpenId/OAuth2 authentication). Fol...

Index must be called with a collection of some kind: assign column name to dataframe

I have `reweightTarget` as follows and I want to convert it to a pandas Dataframe. However, I got following error: > TypeError: Index(...) must be called with a collection of some kind, 't' was pas...

26 Jul at 23:10

We aren't able to process your payment using your PayPal account at this time

I'm getting this error on a sandbox account: > We aren't able to process your payment using your PayPal account at this time. Please go back to the merchant and try using a different payment method. ...

26 Jul at 20:40

xUnit Assert.All() async

I have this example test using [xUnit](https://www.nuget.org/packages/xunit/2.2.0-beta2-build3300): ``` [Fact] public void SomeTest() { Assert.All(itemList, async item=> ...

26 Jul at 17:32

Is Google Play Store supported in avd emulators?

After googling quite a bit I am unable to find the answer to this question. Is google play store officially support in avd emulators. I know it was once stopped , then I hear that it was brought bac...

WARNING: sanitizing unsafe style value url

I want to set the background image of a DIV in a Component Template in my Angular 2 app. However I keep getting the following warning in my console and I don't get the desired effect... I am unsure if...

29 Aug at 13:59

How to check Spark Version

I want to check the spark version in cdh 5.7.0. I have searched on the internet but not able to understand. Please help.

1 May at 16:59

Newtonsoft JSON - How to use the JsonConverter.ReadJson method to convert types when deserializing JSON

I need help understanding how to use the the JsonConverter.ReadJson method to convert a value of any number of types (string, boolean, Date, int, array, object) to a specific custom type. For example...

13 Sep at 13:57

Access 'Internal' classes with C# interactive

Using the C# interactive console in VS2015, i want to access properties and classes marked as `internal`. Usually, this is done by adding the InternalsVisibleAttribute to the project in question. Ive ...

26 Jul at 09:25

What are the default values for StreamReader?

I need to use this constructor `public StreamReader(Stream stream, Encoding encoding, bool detectEncodingFromByteOrderMarks, int bufferSize, bool leaveOpen)` in order to set `leaveOpen` to `true`. And...

26 Jul at 08:17

"[DllImport("__Internal")]" - what does the "__Internal" mean?

I am working with unity for an iOS game. For unlocking achievement I need to access a "Achievement.mm" file from my c# code: ``` [DllImport("__Internal")] private static extern void GKAchi...

14 Dec at 15:27

How can I get descriptive statistics of a NumPy array?

I use the following code to create a numpy-ndarray. The file has 9 columns. I explicitly type each column: ``` dataset = np.genfromtxt("data.csv", delimiter=",",dtype=('|S1', float, float,float,float...

How to declare a variable in a template in Angular

I have the following template : ``` <div> <span>{{aVariable}}</span> </div> ``` and would like to end up with : ``` <div "let a = aVariable"> <span>{{a}}</span> </div> ``` Is there a way to do i...

16 Nov at 07:55