Thus said a Yogi ~ Thoughts and Musings by Bipin Joshi
Bipin Joshi is an independent software consultant, trainer, author, yoga mentor, and spiritual guide. He is programming and meditating for over 24 years. He helps software developers learn Microsoft web technologies through his .NET knowledge base and instructor-led online courses. Having embraced the Yoga way of life he also teaches Ajapa Yoga to selected individuals. Here you will find his thoughts and musings on technology, yoga, and spirituality. To know more about him go here.

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Three Ways to Return Data from ASP.NET Core Web API
ASP.NET Core allows you to build RESTful services using web API. Typically you want to return data and HTTP status codes from an API controller. To that end there are three ways to return values from an API controller. This article discusses them with an example.
Posted On : 18 Mar 2019
Enable CORS in ASP.NET Core API
Browsers do not allow cross origin communication for security reasons. This means if an ASP.NET Core web API housed in one web app is called by JavaScript code running as a part of another web app, the communication attempt will fail. However, you can alter this default behavior by adding some configuration in your API application. To that end this article discusses how that task can be accomplished.
Posted On : 11 Mar 2019
Reverse Engineering EF Core Model and Data Validation Techniques
While working with ASP.NET Core and Entity Framework Core you need to create data model for your application. This calls for creating a DbContext class along with one or more entity classes. Luckily, EF Core allows you to reverse engineer the model from an existing database. To that end this article discusses how that can be accomplished.
Posted On : 25 Feb 2019
Use XML format with ASP.NET Core web APIs
In one of my past articles I discussed how to deal with XML data in ASP.NET Web APIs. Although JSON is quite popular format in API communication, at times you might need to handle XML data. To that end this article describes the required configuration with a simple example.
Posted On : 18 Feb 2019
JWT authentication in ASP.NET Core using HttpClient
In my last two articles (you can read them here and here) we discussed how JWT authentication can be implemented in ASP.NET Core APIs and jQuery client. In this article we will use .NET Core's HttpClient component to perform JWT authentication.
Posted On : 11 Feb 2019
JWT Authentication in ASP.NET Core using jQuery Client
In my previous article we discussed what JWT authentication is and how to implement it in ASP.NET Core APIs. In that article you learnt to use Postman tool to test the JWT functionality. In most of the real-world cases you will be handling the JWT using either client side script (jQuery, Angular etc.) or server side code (HttpClient component). To that end this article discusses using jQuery to consume the SecurityController and EmployeeController we developed earlier.
Posted On : 28 Jan 2019
Implement JWT Authentication in ASP.NET Core APIs
If you developed web applications using ASP.NET before, chances are you are already familiar with cookie authentication. Although cookie based authentication is still available under ASP.NET Core, JSON Web Token or JWT based authentication is becoming more and more common. To that end this article aims at introducing you to JWT and JWT based authentication.
Posted On : 21 Jan 2019
Add ASP.NET Core projects to GitHub using Visual Studio 2019
If you a beginner in ASP.NET Core, you might have wondered as to how newly created projects can be placed under a GitHub repository. In this article we will see the overall steps and configuration to do so. You will get an idea about how GitHub can be integrated in Visual Studio 2019.
Posted On : 14 Jan 2019
Send emails in ASP.NET Core in 5 easy steps
Sending emails is a common requirement in ASP.NET Core web applications. In this article we will learn how to send emails with attachments using a popular and open source component - MailKit. Let's get going.
Posted On : 07 Jan 2019
Implement Two-way Data Binding in JavaScript
One of the fundamental features of modern JavaScript libraries and frameworks is data binding. The data binding features offered by them allows you to keep model and view in sync. Did you ever wonder how something similar can be implemented in plain JavaScript? If so this article shows you one such simple yet working implementation. Although simple implementation as discussed in this article is not intended to substitute what is offered by these libraries and frameworks, it will certainly give you a glimpse of how data binding might be implemented if needed.
Posted On : 31 Dec 2018
सांत ते अनंत
मानवाच्या एकूण जडणघडणीत त्याच्या मेंदूची अत्यंत मोलाची भूमिका आहे. एके काळी माणूस जंगलात रहात असे. प्रगती करत करत तो आजच्या आधुनिक रहाणीमाना पर्यंत येऊन ठेपलेला आहे. हा त्याच्या भौतिक प्रगतीचा टप्पा विस्मयचकीत करणारा आहे. परंतु एक पटकन जाणवणारा विरोधाभास म्हणजे या प्रवासात माणसाच्या शरीरात मात्र तेवढा अमुलाग्र बदल झालेला नाही. हजारो वर्षांपूर्वीच्या मानवाला जे शरीरावयव होते तेच आधुनिक मानवालाही आहेत. थोडक्यात सांगायचे तर मानवाच्या अवती-भोवतीच्या वातावरणात आणि जीवनशैलीत प्रचंड बदल झालेला आहे परंतु जीवन जगण्यासाठी त्याला ईश्वराने दिलेले जे उपकरण अर्थात शरीर ते मात्र फारसे बदललेले नाही.
Posted On : 18 Mar 2019
गिणगिणे बुवांचा उपदेश आणि अजपा
नुकताच २५ फेब्रुवारी २०१९ रोजी शेगावच्या श्री गजानन महाराजांचा प्रकट दिन संपन्न झाला. वृत्तीने दिगंबर अवधूत असणाऱ्या गजानन महाराजांच्या तोंडी नेहमी एक मंत्र खेळत असे - गण गण गणांत बोते. गजानन महाराज हा मंत्र नेहमी गुणगुणत असत. त्यामुळेच त्यांना गिणगिणे बुवा असे नाव पडले. या मंत्राचा सोप्या भाषेत अर्थ सांगायचा तर तो असा आहे - जीव आणि शिव हृदयातच वास करत आहेत. त्यांना जाणून घ्या.
Posted On : 11 Mar 2019
जिये मार्गींचा कापडी महेशु आझुनी
ज्या योगसाधनेसाठी शिवशंकराने वैराग्य पांघरलं, ज्या योगाभ्यासासाठी त्याने महाल टाकून स्मशानवास आपलासा केला, ज्या योगाचा मंत्र-हठ-लय-राज असा विस्तार त्याने स्वतः पार्वतीला शिकवला. असा योग त्याला जीव की प्राण आहे. एके ठिकाणी भगवान शिवशंकर पार्वतीला म्हणतात - "देवी! जो माझ्यामध्ये मन लावून योगाभ्यासाचे यथाविधी आचरण करतो तोच माझा उत्तम भक्त होय असे मी मानतो."
Posted On : 04 Mar 2019
महाशिवरात्री निमित्त मूलमंत्र जप साधना
येत्या ४ मार्च रोजी महाशिवरात्र आहे. येथे अशी एक साधना विषद करणार आहे की ज्यामुळे ईश्वरी तत्वाशी आणि गुरुतत्वाशी कनेक्शन जोडले जाण्यास मदत होईल. तुम्हाला कदाचित माहित असेल की प्रत्येक देवतेचा एक "मूलमंत्र" असतो. त्या दैवातेच्या कोणत्याही अन्य काम्यमंत्राची साधना करण्यापूर्वी मूलमंत्राची साधना करणे मंत्रशास्त्रानुसार आवश्यक मानले गेले आहे. मी जी साधाना सांगणार आहे त्यासाठी तुम्हाला भगवान सदाशिवाचा मूलमंत्र माहित असणे आवश्यक आहे.
Posted On : 25 Feb 2019
ध्यानाचे मूळ आहार-विहारात
काही आठवड्यांवर महाशिवरात्र येऊ घातली आहे. ज्यांची अजपा साधना काही कारणाने खंडित अथवा विस्कळीत झाली असेल त्यांच्यासाठी साधना परत नव्या जोमाने सुरु करायला तो उत्तम दिवस आहे. त्या निमित्त आज काही ध्यानमार्गावर समाधानकारक वाटचाल करायला पोषक अशा काही सोप्या गोष्टी सांगणार आहे. अनेकांना मी आजवर त्या सांगितल्या आहेत आणि बहुतेकांना त्याचा फायदाही झाला आहे. तुम्हालाही त्या उपयोगी पडतील अशी आशा आहे.
Posted On : 18 Feb 2019
मच्छिंद्रनाथांच्या गडावर यात्रा आणि धर्मनाथ बीज
या आठवड्यात नवनाथ भक्तांसाठी दोन महत्वाचे दिवस आहेत. आज ४ फेब्रुवारी २०१९ रोजी पौष अमावस्या आहे. आज श्रीक्षेत्र मच्छिंद्रनाथ गडावर यात्रोत्सव असतो. या ठिकाणी नाथ संप्रदायाचे प्रवर्तक असलेल्या मच्छिंद्रनाथांची समाधी आहे. नवनाथ पोथीच्या २३ व्या अध्यायात नवनाथांनी गर्भगिरी पर्वताच्या भोवताली समाध्या कशाप्रकारे घेतल्या त्याचा उल्लेख आहे. त्यांतील मच्छिंदनाथांची समाधीचे हे स्थान. यात्रेनिमित्त हे समाधी मंदिर रोषणाई वगैरे करून सजवलं जातं आणि हजारो भक्तांच्या साक्षीने यात्रा पार पडते.
Posted On : 04 Feb 2019
परमात्म्याच्या ठायी एकवटले सत, चित आणि आनंद
आज खरंतर दुसऱ्या काही विषयावर लिहिणार होतो. पण पहाटे पहाटे ज्ञानेश्वरांचा अमृतानुभव चाळत होतो काही संदर्भ शोधण्याकरता. सच्चिदानंदपदत्रयविवरण या पाचव्या अध्यायात सुरवातीला ज्ञानेश्वरांनी सत, चित, आनंद हे भिन्न अर्थ दर्शवणारे शब्द परमात्म्याच्या ठिकाणी कसे एकवटले आहेत ते सांगितले आहेत. ज्ञानेश्वरांनी छान उदाहरणे दिली आहेत म्हणून आज त्याच ओव्या सांगतो. अर्थ मुद्दाम विस्ताराने देत नाही. आपापला "अमृतानुभव" उघडा आणि आस्वाद घ्या.
Posted On : 28 Jan 2019
अजपा गायत्रीच्या सहाय्याने मनाचा पोत सुधारा
महर्षी पतंजलींची योगसूत्रे सुप्रसिद्ध आहेत. त्यांची निराळी ओळख करून द्यायला नको. पातंजल योगावरील व्यासभाष्यात आपल्याला मनाच्या पाच अवस्था वर्णिलेल्या दिसतात. ह्या पाच अवष्ठा ह्या व्यक्तीच्या मनाचा सध्याचा पोत कसा आहे त्यावर आधारलेळ्या आहेत. चित्ताच्या या पाच अवस्था अशा - मूढ, क्षिप्त, विक्षिप्त, एकाग्र आणि निरुद्ध.
Posted On : 21 Jan 2019
आत्म्याचे आणि वैराग्याचे मिलन
आज संध्याकाळी मकर संक्रांत सुरु होत आहे. ही वेळ उशीराची असल्याने शास्त्रानुसार मकर संक्रांत उद्या साजरी होणार आहे. एखाद्या चांगल्या दिनदर्शिकेत तुम्हाला संक्रांतीचा पुण्यकाळ सहज मिळून जाईल. अनेक ठिकाणी ग्रहगोलांच्या दृष्टीने मकर संक्रांत म्हणजे काय त्याचे विश्लेषण केलेलेही तुम्हाला वाचायला, पहायला मिळेल. मी येथे त्या विस्तारात जाणार नाही. परंतु अजपा साधकांसाठी काही महत्वाच्या गोष्टी जरूर सांगीन.
Posted On : 14 Jan 2019
साधकासाठी गुणग्राहीपणा आणि विवेक आवश्यक
श्रीमदभागवतामध्ये अवधूत दत्तात्रेय आणि यदु राजा यांचा संवाद फार रोचक आहे. अवधूत दत्तात्रेयांचे तेजस्वी स्वरूप पाहून यदु राजा प्रभावित होतो. दत्तात्रेयांना शरण जाऊन त्यांच्या गुरुंविषयी विनयपूर्वक विचारणा करतो. त्याला उत्तर म्हणून अवधूत शिरोमणी त्याला आपले २४ गुरु कोण ते सांगतात. त्यांच्या संवादातून आपल्याला एक फार महत्वाची गोष्ट शिकता येते. उद्धवाने श्रीकृष्णाकडे जेंव्हा संन्यास आणि वैराग्याचा उपदेश मागितला तेंव्हा श्रीकृष्णाने हाच संवाद उद्धवाला ऐकवला.
Posted On : 07 Jan 2019
Beginning XML with C# 7
(Apress, November 2017)

Master the basics of XML as well as the namespaces and objects you need to know in order to work efficiently with XML. You'll learn extensive support for XML in everything from data access to configuration, from raw parsing to code documentation. You will see clear, practical examples that illustrate best practices in implementing XML APIs and services as part of your C#-based Windows applications. In this book, you’ll discover the integration of XML with ADO.NET and LINQ as well as additional .NET support for today's RESTful web services and Web API. Written by a Microsoft Certified Professional and developer, this book demystifies everything to do with XML and C# 7.
Beginning SOLID Principles and Design Patterns for ASP.NET Developers
(Apress, March 2016)

This book teaches you all the essential knowledge required to learn and apply time-proven SOLID principles of object-oriented design and important design patterns in ASP.NET 5 (recently renamed ASP.NET Core 1.0) applications. You will learn to write server-side as well as client-side code that makes use of proven practices and patterns. This book contains detailed descriptions of how to apply Creational, Structural and Behavioral GoF design patterns along with some Patterns of Enterprise Application Architecture. Also covered are a few Popular JavaScript code organization techniques and patterns.
Beginning jQuery 2 for ASP.NET Developers
(APress, December 2013)

Beginning jQuery 2 for ASP.NET Developers teaches you to harness the power, versatility and extensibility of jQuery in your ASP.NET Web Forms and ASP.NET MVC applications. By combining jQuery with ASP.NET you get the best of both worlds: the client-side interactivity and responsiveness of JavaScript with the robustness and extensibility of Microsoft's web stack. Beginning jQuery 2 for ASP.NET Developers shows you how.
HTML5 Programming for ASP.NET Developers
(APress, November 2012)

HTML5 Programming for ASP.NET Developers teaches you to harness the power and flexibility of HTML5 in your ASP.NET Web Forms and ASP.NET MVC applications. Focusing on the programmable features of HTML5 that will be most useful to you as an ASP.NET developer, this book will take you straight to the heart of what you can get out of this new technology.
नाथ संकेतींचा दंशु
(फेब्रुवारी २०१५)


कुंडलिनी योगमार्ग विनाकारण गुढतेच्या आणि क्लिष्टतेच्या वलयात झाकोळला गेला आहे. सर्वसामान्य संसारी साधक कुंडलिनी योगमार्गापासून दूरच राहिला आहे. कुंडलिनी योगमार्गाच्या अनेक परंपरा आहेत. त्यांच्या साधनामार्गातही भिन्नता आहे. या सर्व पसार्‍यातून सर्वसामान्य साधकाला समजतील, जमतील आणि फायदा मिळवून देतील अशी मूलतत्वे आणि साधना यांचे सहज सोप्या भाषेत विश्लेषण करणे हे या पुस्तकाचे मुख्य उद्दीष्ट आहे.
शिवोपासना
(मार्च २०११)


भारतवर्षामधे अनादी काळापासून शिवोपासना आणि योग प्रचलित आहे. कूर्म पूराणात निःसंदिग्धपणे असे सांगितले आहे की शंकर हे कलियुगातल्या मानवांसाठीचे दैवत आहे. शिव उपासनेचे योगमार्गावरील महत्व, शिवलिंग, पुजा इत्यादींचा योगशास्त्रीय अर्थ, शैव दर्शनाची मुलतत्वे, रुद्राक्षधारण विधी, कालसापेक्ष शिव उपासना कशी करावी इत्यादी गोष्टी सोप्या भाषेत विशद करणारे पुस्तक.
देवाच्या डाव्या हाती
(प्रथम आवृत्ती - मार्च २००९, द्वितीय आवृत्ती - ऑक्टोबर २०११, तृतीय आवृत्ती - फेब्रुवारी २०१७)


कुंडलिनी योग अध्यात्म जीवनाचा राजमार्ग आहे. जगदंबा कुंडलिनीला जागृत करून तीचे सहस्रार स्थित शिवाशी सामरस्य घडवून आणणे हे कुंडलिनी योगमार्गाचे मुलतत्व. अनेकदा कुंडलिनी योग गूढतेच्या अनावश्यक धुक्याने वेढलेला आठळतो. हा मार्ग फक्त जंगलात वा हिमालयात वास्तव्य करणार्‍या योग्यांसाठीच आहे असा गैरसमज बहुतांशी लोकांमधे आढळतो. देवाच्या डाव्या हाती' या पुस्तकात श्री. बिपीन जोशी यांनी स्वतःचे कुंडलिनी योगमार्गावरील अनुभव विषद केले आहेत. एक नवखा साधक ते योगी या प्रवासात त्यांना कोणत्या अडचणी आल्या, त्यांनी मोठ्या जिद्दीने हा प्रवास कसा पार केला याचे प्रभावी वर्णन या पुस्तकात आढळते. 
Beginning XML with C# 2008: From Novice to Professional
(APress, April 2008)

Beginning XML with C# 2008 focuses on XML and how it is used within .NET 3.5. As you’d expect of a modern application framework, .NET 3.5 has extensive support for XML in everything from data access to configuration, from raw parsing to code documentation. This book demystifies all of this. It explains the basics of XML as well as the namespaces and objects you need to know in order to work efficiently with XML. You will see clear, practical examples that illustrate best practices in action. With this book, you’ll learn everything you need to know from the basics of reading and writing XML data to using the DOM, from LINQ and SQL Server integration to SOAP and web services.
Pro .NET 2.0 XML
(APress, April 2007)


XML is the de facto language for communication within and between distributed applications, whether they are on the Internet or a corporate network. XML is successful because of two strengths: it has a highly-structured human readable format and it can be transmitted as pure text. No matter how disparate applications and their architectures may be, text files can always be read, and therefore can accept XML data. This makes XML-based solutions advantageous over rival technologies like remoting. Pro .NET 2.0 XML is the first book to provide a complete solution to XML on the .NET Framework 2.0 including the new .NET 3.0 extensions that are being released in January 2007. It provides you with everything you need to know to take advantage of XML in every aspect of your job including integration with Windows Communication Foundation.
Developer's Guide to ASP.NET 3.5
(BinaryIntellect Consulting, November 2007)


This book is about ASP.NET 3.5. It teaches you most of the concepts that you need to make yourself up and running with ASP.NET 3.5. It looks at ASP.NET 3.5 as a complete platform for web application development. You will find many topics that are equally applicable in ASP.NET 1.x and 2.0 also. Care has been taken that you need not refer any 1.x or 2.0 book for understanding the concepts. Master ASP.NET 3.5 development using C# and Visual Studio.NET 2008. Learn ASP.NET from ground up. Design professional looking web sites with server controls, Master Pages and Themes. Develop data driven web forms with ADO.NET and data bound controls. Secure your web application with Membership and Roles. Develop AJAX spiced web sites. Write ASMX and WCF services. Understand the configuration, compilation and deployment techniques.
Developer's Guide to ASP.NET 2.0
(BinaryIntellect Consulting, November 2005)


Since Microsoft introduced ASP.NET the overall web application development is revolving around ASP.NET as far as Microsoft product based solutions are concerned. ASP.NET brought a major shift in the way applications are built and deployed. Web applications suddenly became so rich and powerful! Continuing the same wave further Microsoft has introduced ASP.NET 2.0. The new version is totally backward compatible with ASP.NET 1.x. However, it introduces some major enhancements and additions. While building version 2.0 the goal of ASP.NET team within Microsoft has been to reduce the amount of code that developers are writing today to a great degree. Version 2.0 brings more than 40 new controls and provides many new classes and concepts. With these additions ASP.NET 2.0 is poised to be stronger, flexible and powerful than ever before. This book is about ASP.NET 2.0. It teaches you most of the concepts that you need to make yourself up and running with ASP.NET 2.0. There are books that cover just the new additions to ASP.NET infrastructure. This book is different. It looks at ASP.NET 2.0 as a complete platform for web application development. You will find many topics that are equally applicable in ASP.NET 1.x also. Care has been taken that you need not refer to any 1.x book for understanding the concepts.
Pro ADO.NET with VB .NET 1.1
(APress, November 2004)

Calling all VB .NET programmers and web developers! This highly anticipated book provides thorough instruction for using ADO.NET, supported with numerous relevant code examples and extensive technical information. So whether you're developing web applications using ASP.NET, Windows Forms applications, or XML Web Services, you will become adept at maximizing .NET's data access technology. Topics include: ADO.NET data architecture; data readers, adapters, and DataSets; safer development with XML Schemas; data relationships; and ADO.NETs built-in support and performance optimization. With such valuable content, you will come to master a solution-oriented approach to ADO.NET.
Professional ADO.NET with VB.NET
(WROX Press, December 2002)

ADO.NET is Microsoft's latest data access technology and, as an integral part of the .NET Framework, is far more than just an ADO upgrade. ADO.NET provides an extensive set of .NET classes that facilitate efficient access to data in a large variety of sources, enable sophisticated manipulation and sorting of data, and form an important framework within which to implement inter-application communication. This book provides a comprehensive guide to using ADO.NET, with plenty of practical code examples and extensive technical information. Whether you're developing web applications using ASP.NET, Windows Forms applications, or XML Web Services, this book will show you how to use .NET's data access technology to maximum effect. Along the way, it looks at: Understanding the architecture of the ADO.NET data providers, Reading and writing data with data readers, data adapters and DataSets, Making development safer with XML Schemas and strongly typed DataSets, Defining constraints on and relationships between your data, Using ADO.NET's built-in support for transactional processing, Optimizing the performance and security of your ADO.NET applications, Developing your own data provider for a custom data source.
Professional XML for .NET Developers
(WROX Press, December 2001)

XML is now an established technology for the description and transportation of data, and has made a major impact on almost every aspect of software development. When Microsoft introduced the .NET Framework, they took advantage of XML wherever they could. No other technology is so tightly bound with .NET as XML, both at the developer level and underlying the whole framework. This book aims to give the reader enough information to be able to use XML from within the .NET Framework in the most efficient manner possible. It will explain in detail the usage of all the XML-related .NET Framework library classes for the manipulation, validation, transformation, and serialization of XML data, using both C# and Visual Basic .NET. It also looks at how the developer can utilize the full power of XML within the .NET Framework, for example, with the new XML capabilities of ADO.NET and ASP.NET. As is demonstrated, the .NET Framework itself uses XML, in configuration files, meta data, and C#'s XML code documentation mechanism, for example. This book is aimed at intermediate-level programmers who have started on their journey towards .NET development, and who want to see how to use XML within their applications to its best advantage. Basic knowledge of C# or Visual Basic .NET, XML, and XML related technologies (XSLT, XPath, and XML Schemas) is necessary.
Professional ADO.NET
(WROX Press, November 2001)

ADO.NET is Microsoft's latest data access technology and, as an integral part of the .NET Framework, is far more than simply an upgrade of previous incarnations of ADO. ADO.NET provides an extensive set of .NET classes that facilitate efficient access to data from a large variety of sources, enable sophisticated manipulation and sorting of data, and forms an important framework within which to implement inter-application communication and XML Web Services. This book provides a comprehensive guide to using ADO.NET, with plenty of practical code examples, extensive technical information, and a detailed case study. Whether you are developing Web Applications using ASP.NET, Windows Forms applications, or XML Web Services, this book will show you how to utilize .NET's data access technology to maximum effect.

ASP.NET Core, Design Patterns, Angular

Now a days there are many learning options available to .NET developers. But if you are looking for more structured, code focused, and down-to-earth learning experience we would be happy to help. Instructor-led online courses for individuals and small groups conducted by Bipin Joshi. Get in touch with our web team for registration and more details.
Quality training at reasonable fees
Lots of hands-ons with real-world examples
Small groups / One-to-One


Ajapa Dhyana and Kriya

Now a days there are many learning options available to spiritual seekers. But if you are looking for more structured, authentic, and blissful yogic techniques we would be happy to help. Online course and initiation for individuals and small groups by Bipin Joshi. Get in touch with our web team for registration and more details.
Manage stress and work pressures
Open Chakras and awaken Kundalini
Small groups / One-to-One



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