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Πρόσφατες Δημοσιεύσεις
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In a previous post we talked about how you can create a simple powershell runbook to automate tasks in your Azure account, such as starting up or shutting down a virtual machine based on a user-defined schedule. In this post, we are going to demonstrate how easy it is to create a webhook, in order to call your Runbook through an......
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XAF offers mobile support long time and the XAF team is constantly adding new features and modules, I guess the out of CTP mode is close enough. So its about time to support the mobile platform from our community project (eXpandFramework). Long story short: eXpandFramework up to now only recognized two contexts (Win, Web), this will change from v17.1.5.2 where a Mobile context is introduced. What this means for you? At the moment there are no new mobile modules released, however you are now able to use eXpandFramework your agnostic modules that reference eXpandFramwork in the mobile platform. p.s.: All easytests for the Win, Web platform still pass on every release, but at the moment there are no tests for the mobile. but its on schedule. Looking forward for your feedback at http://www.expandframework.com/forum/...
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One of the great things in Cloud computing is the ability to use resources whenever you want them and pay only only for what you are using. In this post, we are going to explore how you may create a schedule to automatically shut down and start up a virtual machine running on Azure, using Azure Automation, based on a......
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Those of you that use Remote Desktop connection you probably noticed that some key combinations like CTRL+ALT+UpArrow are not passed to the client. I looked everywhere but I could;t locate a ready solution so in invented one with the use of AutoHotKey . Install AutoHotKey on both machines and create a Autohotkey script (a file with ahk extension) for the host machine and enter: *^LAlt::^AppsKey This will replace all key strokes that use the left alt key with the Control + AppsKey(the one that opens the context menu when right click). and for the client machine similarly to switch back you need a second script with the following command *^AppsKey::^LAlt I am using this workaround for a week now with no issues, hope it helps some of you. p.s. : if you have a better way, please post in comments enjoy!...
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Sometimes you may need to run Visual Studio as Administrator; to do so, you have to right-click on Visual Studio task bar shortcut, right-click again on Visual Studio and select Run as Administrator. Then, you may open the solution you want manually from File -> Open -> Project/Solution or drop your .sln file onto Visual Studio. To make your life easier, you......
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In this post, we are going to explore the necessary steps to build a cluster on Azure Container Service and then setup RabbitMQ using Kubernetes as orchestrator and helm as package manager. First things first, let’s briefly introduce the services we are going to use. What is Azure Container Service? Azure Container Service (ACS) allows you to create, configure and......
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Enumerations are a simple and efficient way to deal with a set of values. The most common way to use an enumeration is to use its values separately. There are however times when we want to use a combination of the enumeration's values. In that case we can use bitwise operators. To make things easier, we can also use flags. Enumeration Let's start using a simple enumeration example. Enumerations are structs consisting of a set of values the type can be assigned. So let's use an enumeration of payment methods. Here's the enumeration. public enum PaymentMethods { None = 0, Cash = 1, Cheque = 2, CreditCard = 3 } We can now use this enumeration to connect PaymentMethod values with their integer representation. For example int creditCard = 3; PaymentMethods creditCardMethod = ( PaymentMethods )creditCard; or int creditCard = ( int ) PaymentMethods .CreditCard; It is...
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In this page you will find tools, related to Networking, to make your Azure journey easier and more fun. Azure Speed Test A simple web tool that measures the latency between you and Azure Datacenters, to suggest which might be fastest for your location. Fiddler (Telerik) A classic tool to debug and monitor traffic between your PC and the Internet.......
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In this page you will find tools, related to Azure Storage Services, to make your Azure journey easier and more fun. Azure Storage Explorer (Free) A stand-alone app from Microsoft that allows you to easily work with Azure Storage data on Windows, macOS and Linux. AzCopy AzCopy is a command-line utility, designed for copying data to and from Microsoft Azure......
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You do not have to be working on some gambling project in order to request for a random number. Things like that happen all the time. Either you may need to pick a random product to show out of a list or you may want to present some results randomly ordered. Anyway, getting a random number is something you will need to do from time to time. To get a random number we may use the Random or the RNGCryptoServiceProvider class. We are going to find out what is the difference between them and talk about what makes a random number. Randomness Let's start with the basics. What makes a random number? A number is considered random when there is no method to predict what that will be before it is presented. You may think of this as something obvious, however it is not. Let's say someone asked you to pick a number between 1 and 10 and you picked 5. Why would that be? Maybe that is because you like number 5, or you like the fact it is located in the middle of the 1 to 10 range, or because of a subconscious...
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Several XML-based formats have surfaced over the years that can be used to describe a robot. Apart from URDF (and SRDF) of ROS origin, the Gazebo simulator has been promoting SDF (an evolution of URDF with emphasis on physics simulation), while MJCF apart from being available as URDF extensions, also has its own format with […]...
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All around C#, there are over a few dozen keywords. One of them, which is rarely used and is sometimes misunderstood, is yield. However, if used properly, yield can help in optimizing your code. Let's take a look at how it works. What does yield do? Let's get to what yield does using an example. We are going to create a method that returns a Fibonacci sequence. You have probably heard what Fibonacci numbers are, from your first for loop classes. So, a Fibonacci sequence is a series of numbers in which each number is the sum of the two preceding numbers. Well, this may not be the exciting way you would expect to implement yield, but I guess this will make things easier to grasp. So let's write the following code. string fibonacciSequence = ""; foreach ( int f in FibonacciEnum(10)) fibonacciSequence += f + " " ; The following method returns a Fibonacci sequence. private IEnumerable...
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On Windows 10 while trying to start or connect to a VM, on Hyper-V, you might come to the following error: As you are sure that Intel-VTx and DEP is enabled in the BIOS and you verify it through Task Manager you still don’t know what’s the problem. As it turns out to fix the issue you need to run the......
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C# 7.0 adds a number of new features and brings the focus on data consumption, code simplification and performance. Perhaps the most interesting feature is tuples, a finite ordered list of values, of possibly different types, which is used to bundle related values together without having to create a specific type to hold them. Tuples are very good for performance reasons, as you don’t......
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Azure Service Fabric is a distributed systems platform that makes it easy to package, deploy and manage scalable and reliable microservices. Service Fabric also addresses the significant challenges in developing and managing cloud applications. In this post, we will explore how to host an ASP.NET Core web application, alongside a stateless and a stateful service on an Azure Service Fabric cluster,......
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Build 2017 is over. A three-day conference, where a lot of great stuff was announced. Apart from the keynotes of every day, there are many technical sessions to watch and learn from. The whole list of sessions is available at Channel 9. Here you may find my picks from the categories I am interested in. Azure Related Visual Studio &......
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Azure Service Fabric is a distributed systems platform that makes it easy to package, deploy, and manage scalable and reliable microservices. It enables you to build and manage scalable and reliable applications, composed of microservices that run at a very high density on a shared pool of machines, which is referred to as a cluster. In addition, it provides a......
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I was just checking some log file saved from Buildbox and seems Qt framework was logging the error: libpng warning: iCCP: known incorrect sRGB profile Did some quick research on Google (sorry dear Bing) and added the following background info to the respective question on StackOverflow: http://stackoverflow.com/questions/22745076/libpng-warning-iccp-known-incorrect-srgb-profile/ Some changes in libpng version 1.6+ cause it […]...
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When starting playing with Service Fabric in Visual Studio, you may come to the following error when trying to debug your application: [crayon-58d4fc5335609826171657/] The error although may look tricky, is very easy to fix and happens when you have created a Service Fabric application and accidentally Set as Startup Project the Fabric Service, as showing in the following picture: So, Set as Startup Project the Service Fabric......
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A great tool, when starting learning Elixir, is Elixir’s Interactive Shell (IEx), which allows you to type any Elixir expression and get its result. To start using IEx, open a terminal of your choice and type iex (or iex.bat if you are on Windows), which stands for Interactive Elixir. By default, colors are not enabled and iex looks like what you see below: It turns out......
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One thing you should always keep in mind is backing up your precious work. Bad things may happen sooner or later, so better be prepared for the “unexpected”, than sorry. In a recent talk with a friend, I found out that he wasn’t aware of how easy it is to backup a web app hosted in Azure App Service; so why not write a......
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In this post I will be looking into EF 6.0 using the Code First Workflow and its support for stored procedures and more particularly how to display data using a stored procedure. I have posted something similar in this post https://weblogs.asp.net/dotnetstories/using-stored-procedures-in-an-asp-net-mvc-5-0-application-using-entity-framework-6-0 but this post described in detail how to insert, update and delete data in an ASP.Net MVC 6.0 application using stored procedures but not how to display data using a stored procedure. I will be building a simple ASP.Net MVC 5.0 application that will be the client application that will consume the Entity Framework data access layer. I will be using Visual Studio 2015,C# 5.0 and LocalDb in this demo. I will be leveraging the scaffolding functionality as much as possible. I will also show you how to log queries sent to the database by Entity Framework 6.0. With EF 6.0 we do have a mechanism to trace/profile everything EF sents to the data store. We will create the ASP.NET...
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Visual Studio 2017 is now available to download, and one interesting feature thereof is connected services, which enable connections between your app and any service on-premises or in the cloud. In this post we are going to demonstrate how easy it is to connect your asp.net core web app to Application Insights. “Connected Services” is the new “Add Connected Service” or “Add Service Reference” feature......
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This is my answer at: http://stackoverflow.com/questions/32936544/delphi-10-seattle-trial-fails-to-compile-anything-gives-an-msbuild-error for the issue of Delphi showing on build the error MSBuildToolsPath is not specified for the ToolsVersion "12.0" defined at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\12.0", or the value specified evaluated to the empty string note that in my case it was also showing underlined unit names in the code editor at uses clause […]...
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To keep things tidy, in case you have multiple subscriptions associated with your Azure account, it’s a good practice to name them in a way that makes sense to you. For example, if you have an msdn subscription, the default name in Azure Portal is “Visual Studio Enterprise“, or if you have applied for a Visual Studio Dev Essentials program, the default name is “Developer Program......
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