Category Archives: Programming

What are Micro Frontends?

From: https://micro-frontends.org/ The term Micro Frontends first came up in ThoughtWorks Technology Radar at the end of 2016. It extends the concepts of micro services to the frontend world. The current trend is to build a feature-rich and powerful browser application, aka single page … Continue reading

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IoT Asset Management Using Graph Database Modeling

The Challenge Power grid systems are considered an integral part of modern society. Their robustness and efficiency not only impact our daily lives, but also influence economy, politics, and the global environment. Power grids continually evolve over time to accommodate … Continue reading

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How to start using Entity Framework 6 with MySQL databases

To start using Entity Framework 6 and Visual Studio 2013 is necessary to install MySQL for Visual Studio 1.1.1 Beta and MySQL Connector/Net 6.8.1 Beta MySQL for Visual Studio 1.1.1 Beta can be downloaded with the following link: https://cdn.mysql.com/Downloads/MySQLInstaller/mysql-visualstudio-plugin-1.1.1.msi MySQL … Continue reading

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How to resolve “Cannot create JDBC driver of class ‘com.mysql.jdbc.Driver’ for connect URL”

Firstly I want to say that i checked all answers at stackoverflow, and i can’t fix this bug! Help me please! I spend a lot of time, but no result. I’m trying to create connection pool using Tomcat8. I have … Continue reading

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Build query string for System.Net.HttpClient get

From https://stackoverflow.com/questions/17096201/build-query-string-for-system-net-httpclient-get var query = HttpUtility.ParseQueryString(string.Empty); query[“foo”] = “bar<>&-baz”; query[“bar”] = “bazinga”; string queryString = query.ToString(); will give you the expected result: foo=bar%3c%3e%26-baz&bar=bazinga You might also find the UriBuilder class useful: var builder = new UriBuilder(“http://example.com&#8221;); builder.Port = -1; var query = … Continue reading

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Teaching Tools

Online tools and resources have made it easier for teachers to instruct students, and for students to collaborate with those teachers and with other students and parents. These “Web 2.0” teaching tools aren’t magical, but they may seem to defy … Continue reading

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Value cannot be null. Parameter name: source

Resolved with the following solution 1)Right click on the edmx file, select Open with, XML editor 2)Locate the entity in the edmx:StorageModels element 3) Remove the DefiningQuery entirely 4) Rename the store:Schema=”dbo” to Schema=”dbo” (if exists) 5)Remove the store:Name property … Continue reading

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