Ansible: How to test that a registered variable is not empty?
How can I test that stderr is non empty:: ``` - name: Check script shell: . {{ venv_name }}/bin/activate && myscritp.py args: chdir: "{{ home }}" sudo_user: "{{ user }}" register: test_my...
Form validation with react and material-ui
I am currently trying to add validation to a form that is built using material-ui components. I have it working but the problem is that the way I am currently doing it the validation function is curre...
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- 27 Mar at 00:23
How to extract data out of a Promise
I have a promise that returns data and I want to save that in variables. Is this impossible in JavaScript because of the async nature and do I need to use `onResolve` as a callback? ``` const { foo...
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- 28 Apr at 10:21
Custom advanced entity validation with Dynamic Data
I'm looking for a solution to perform some custom entity validation (which would require database access, cross-member validation...) when the user saves its changes in a Dynamic Data screen, with Ent...
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- 10 May at 13:48
Adding setter to inherited read-only property in C# interface
I have an interface that declares some properties (shortened to `Id` only in the example) with only a `get` method. Classes implementing this interface do not have to provide a public setter for this ...
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- 28 Apr at 07:14
Task.WhenAll not waiting
I am learning how to use async functions in console application but can't make the Task.WhenAll wait until all tasks are completed. What is wrong with the following code? It works synchronously. Thank...
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- 29 Apr at 04:45
CSharpAddImportCodeFixProvider encountered an error and has been disabled
I had my PC re-imaged for me. I have Visual Studio Version 14.0.25123.00 Update 2 installed on my computer. I'm getting this error when I try to use VS intellisense to reference another project. > C...
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- 30 Dec at 10:44
How to use Dependency Injection with Conductors in Caliburn.Micro
I sometimes use [Caliburn.Micro](http://caliburnmicro.com) to create applications. Using the simplest BootStrapper, I can use IoC container (SimpleContainer) like this: ``` private SimpleContainer _...
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- 21 Jul at 07:3
How to install a module for all users with pip on linux?
How to install a package in the standard python environment `/usr/local/lib/python2.7/dist-packages` using `pip` and make this new package available for all the users without using `virtualenv`? By u...
Gulp error: The following tasks did not complete: Did you forget to signal async completion?
I have the following , which I'm executing via the command line : ``` var gulp = require('gulp'); gulp.task('message', function() { console.log("HTTP Server Started"); }); ``` I'm getting the fo...
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- 6 Dec at 21:30
Unit Testing ViewResult in Asp.NET MVC
Even though there are couple of Posts on StackOverflow about Unit Testing Action Result in MVC, I have a specific Question .... Here is my ActionResult in Controller: public ActionResult Index() { ...
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- 7 May at 06:3
How do I add new endpoints from Service Stack plugin?
I am new to Service Stack, and am creating a plugin library for a Service Stack application we have. Currently I have this class ``` public class MyPlugin : IPlugin { public void Register(IApp...
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- 27 Apr at 16:58
TabControl with Close and Add Button
I'm tring to make a tab control have a "x" (close button) and "+" (new tab button). I found a solution to add a [x button](https://stackoverflow.com/questions/3183352/close-button-in-tabcontrol), the...
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- 23 May at 12:17
What does ModelState.IsValid do?
When I do a create method i bind my object in the parameter and then I check if `ModelState` is valid so I add to the database: But when I need to change something before I add to the database (befor...
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- 24 Mar at 10:10
ServiceStack OrmLite Not Retrieving SqlGeography Fields
I've following the instructions here to use SqlGeography types with ServiceStack OrmLite v. 4.0.56: [https://github.com/ServiceStack/ServiceStack.OrmLite/wiki/SQL-Server-Types](https://github.com/Serv...
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- 27 Apr at 13:57
EF returning different values than query
So I just came across this very odd scenario and was wondering if anyone might know what the problem is. I have the following EF Linq query. ``` var hierarchies = (from hierarchy in ctx.PolygonHiera...
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- 27 Apr at 12:31
How to make an invisible transparent button work?
Looking at some of the answers in the Unity forums and Q&A site, the answers for how to make an invisible button do not work because taking away the image affiliated with the button makes it not work....
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- 11 Nov at 15:22
How to rebuild docker container in docker-compose.yml?
There are scope of services which are defined in docker-compose.yml. These services have been started. I need to rebuild only one of these and start it without up other services. I run the following c...
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- 18 Oct at 19:39
How to ignore empty object literals in the produced JSON?
I'm using `Json.NET` to convert a complex `C#` object graph to JSON. Due to ignoring properties which have default values in the object, I usually get empty object literals in the output, which I'd li...
Return json with lower case first letter of property names
I have LoginModel: ``` public class LoginModel : IData { public string Email { get; set; } public string Password { get; set; } } ``` and I have the Web api method ``` public IHttpActionRe...
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- 27 Aug at 03:29
In Tensorflow, get the names of all the Tensors in a graph
I am creating neural nets with `Tensorflow` and `skflow`; for some reason I want to get the values of some inner tensors for a given input, so I am using `myClassifier.get_layer_value(input, "tensorNa...
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- 27 Apr at 08:8
How to do sql joins in lambda?
From time-to-time, I stumble on this problem that I use a subset of lambda joins. Given that I can use any LINQ extensions how should I go about implementing following joins: [](https://i.stack.imgur...
Read values from ServiceStack.Redis Pipeline
How to read values from ServiceStack.Redis pipeline? I saw examples on [GitHub](https://github.com/ServiceStack/ServiceStack.Redis/blob/master/tests/ServiceStack.Redis.Tests/RedisPipelineTests.cs), bu...
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- 27 Apr at 06:58
ERROR 1067 (42000): Invalid default value for 'created_at'
When I tried to alter the table it showed the error: ``` ERROR 1067 (42000): Invalid default value for 'created_at' ``` I googled for this error but all I found was as if they tried to alter the ti...
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- 11 Feb at 13:13
Get current index from foreach loop
Using C# and Silverlight How do I get the index of the current item in the list? Code: ``` IEnumerable list = DataGridDetail.ItemsSource as IEnumerable; List<string> lstFile = new List<string>(); ...
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- 27 Apr at 08:9