2012-09-17 - WDC12: Node.js & MongoDB
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Zwei neue Technologien für die Cloud sind das JavaScript-Framework Node.js und die NoSQL-Datenbank MongoDB. Johannes Hoppe gibt einen Schnellstart in die beiden Open-Source-Systeme.
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There are more smart people building software now than there have been at any point in the past, which means that it's more important than ever to stay on top of new developments, libraries, frameworks, and everything else. To really take advantage of this wealth of innovation, however, you've got to look beyond your normal community -- what's going on in Python? And how can we use that to make our Ruby lives easier? In this session, we'll explore that question. We'll look at actual examples of code and concepts borrowed and reimplemented to form a better idea of when it's appropriate and when it'll fall flat.
Neo4j GraphTour: Utilizing Powerful Extensions for Analytics and Operations
The document discusses various ways to extend Neo4j using procedures, functions, and aggregation functions written in JVM languages. It provides examples of full text search, string joining, and finding the longest string aggregation procedures. The document also discusses how the Apoc procedures library can be used for data integration and loading data from relational databases and XML into Neo4j.
Hd insight programming
This document provides information on programming with HDInsight including important port numbers, using WebHDFS and WebHCat to interact with HDFS and Hive, running MapReduce jobs with .NET, and using Mahout for machine learning tasks like classification, clustering, and collaborative filtering recommendations.
jQuery Data Manipulate API - A source code dissecting journey
Represent major data manipulate API in jQuery 1.6; such as .data(), removeData(), index(), globalEval() and so no. Also, HTML5 data-* attributes. I will walk you through with diving into jQuery source code and find out the killing techniques used in jQuery.
Backbone.js — Introduction to client-side JavaScript MVC
Philip Poots is a Ruby developer who works at Audacio.us. He focuses on structure frameworks, state applications, and speed with JavaScript.
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More from Johannes Hoppe
Einführung in Angular 2
Letztes Wochenende waren Danny Koppenhagen, Ferdinand Malcher, Gregor Woiwode und ich Teilnehmer des Developer Open Space 2015.
Per Live-Coding mit Pair-Programming haben Gregor und ich einen Schnellstart in das neue Framework gegeben: TypeScript, Komponenten, Dekoratoren, Bindings, Events, Formularverarbeitung und Datenfluss in einer NG2-App. In 45 Minuten stand die erste Single-Page-App. Im Anschluss an die tolle Session möchte ich hier noch einmal alle Infos zusammen tragen.
Die didaktisch aufgebauten Folien findest du hier auf Slideshare, Links, Downloads und das Video findest du auf http://blog.johanneshoppe.de/2015/10/angular2-einfuehrung-schnellstart/.
MDC kompakt 2014: Hybride Apps mit Cordova, AngularJS und Ionic
Sehen Sie sich das Video an: http://haushoppe-its.de/videos/mdc-kompakt-2014-hybride-apps-mit-cordova-angularjs-und-ionic/
Dieser Vortrag wurde am 18.11.2014 bei der "MDC - Mobile Developer Conference kompakt 2014" aufgenommen.
Dank Apache Cordova ist es möglich, Ihr bestehendes Wissen zu HTML5, JavaScript und CSS3 auf mobile Apps anzuwenden. Nutzen Sie AngularJS von Google, um Techniken wie MVC und Data Binding in den Browser zu bringen. Erfahren Sie in diesem Vortrag, wie Sie mit dem jüngsten Spross, dem Ionic Framework, ansprechende Oberflächen für iOS, Android und Windows Phone gestalten können. Statt PowerPoint erwartet Sie viel Live Coding. Johannes Hoppe wird zusammen mit Ihnen eine erste hybride Anwendung entwickeln.
2012-06-25 - MapReduce auf Azure
Der Map-Reduce Algorithmus begegnet uns bei vielen NoSQL Datenbanken. Wann immer große Datenmengen aggregiert werden, ist er das Mittel der Wahl. In einem Crashkurs wird die Theorie erläutert und gezeigt, wie in Dokumenten bei MongoDB, RavenDB und Hadoop gesucht wird. Mithilfe des MapReduce Modells von Hadoop werden Probleme wie das Durchzählen von Daten, Logfile-Analysen und Graphenanalysen demonstriert. Als Programmiersprache wird C# eingesetzt.
2013-06-25 - HTML5 & JavaScript Security
Sie kennen die bekannten Angriffsvektoren wie SQL-Injections oder XSS. Ihre Anwendung ist sicher. Ist Sie das wirklich? Auch wenn Sie in Ihrer Webanwendung kein HTML5 einsetzen, die Browser sind bereit! Kennen Sie alle neuen Markups? Haben Sie bereits die Potentiale von Cross Origin Requests, WebSockets oder Local Storage auf dem Radar? Lernen Sie neue Gefahrenpotentiale kennen, die durch die Unterstützung von HTML5 und dessen APIs entstanden sind. - See more at: http://www.developer-week.de/Programm/Veranstaltung/(event)/11133#sthash.ZRPweawl.dpuf
2013-06-24 - Software Craftsmanship with JavaScript
This document discusses principles of software craftsmanship including:
- Common JavaScript pitfalls like implied globals, trailing commas, and return undefined
- Best practices like avoiding globals, using module patterns for organization, and test-driven development
- Tools for JavaScript development like Jasmine for testing, RequireJS for module loading, and Visual Studio for debugging
- The process of test-driven development including writing tests, making them fail, making them pass, refactoring code, and repeating
2013-06-15 - Software Craftsmanship mit JavaScript
Entwickeln Sie Clean Code mit JavaScript. Den “Software Craftsman” zeichnen dabei Wissen, Werkzeuge und Wiederholung aus. Diese drei Grundfeste werden speziell für JavaScript beleuchtet. Lernen Sie die wichtigsten Patterns für eine stabile und wartbare Website kennen. Überprüfen Sie Ihre persönliche Werkzeugkiste für Entwicklung, Testing und Deployment. Schließen Sie Bekanntschaft mit Code Katas für JavaScript.
2013 05-03 - HTML5 & JavaScript Security
INTERAKTIVE SLIDES:
http://johanneshoppe.github.com/HTML5Security/
Sie kennen die bekannten Angriffsvektoren wie SQL-Injections oder XSS. Ihre Anwendung ist sicher. Ist Sie das wirklich? Auch wenn Sie in Ihrer Webanwendung kein HTML5 einsetzen, die Browser sind bereit! Kennen Sie alle neuen Markups? Haben Sie bereits die Potentiale von Cross Origin Requests, WebSockets oder Local Storage auf dem Radar? Lernen Sie neue Gefahrenpotentiale kennen, die durch die Unterstützung von HTML5 und dessen APIs entstanden sind.
2013-03-23 - NoSQL Spartakiade
This document discusses different data modeling techniques for MongoDB including embedding documents, linking documents by ID, and handling many-to-many relationships. It provides code examples of saving documents, querying, and updating in MongoDB. It also briefly covers software testing strategies for MongoDB applications.
2013-02-21 - .NET UG Rhein-Neckar: JavaScript Best Practices
The document provides JavaScript best practices focusing on code quality, avoiding antipatterns like implied globals and eval, and recommendations for style like indentation and naming conventions. It also discusses testing with Jasmine including writing tests, making them pass, refactoring code, and repeating the test-driven development process. Modular code organization techniques like revealing module pattern and event publishing are also covered.
2011-06-27 - AOP - .NET User Group Rhein Neckar
The document provides an introduction to aspect-oriented programming with .NET. It discusses various cross-cutting concerns like logging, exceptions, validation, and caching that can be addressed using aspect-oriented programming. It also demonstrates how aspects are used to modify the intermediate language (IL) code to inject cross-cutting behavior before, after, and around method calls. Various aspect oriented programming frameworks for .NET are also mentioned.
DMDW 8. Student Presentation - Groovy to MongoDB
The document outlines an ETL project to extract data from an Excel room-plan file, transform it into a new structure and data types, and load it into a database. It discusses exporting the CSV file from Excel and issues with encoding and delimiter. It then describes using a Groovy script to parse the file and handle inconsistent data. Finally, it notes putting the objects into the database and addressing problems around data conversion and structure.
DMDW 5. Student Presentation - Pentaho Data Integration (Kettle)
This document discusses data warehousing and data mining. It describes a typical data warehouse architecture including data consolidation, security, modeling, and querying requirements. It outlines the extract, transform, load (ETL) process for moving raw data into the warehouse. Specific tools used are MySQL, MySQL Workbench, and Pentaho Data Integration. The steps taken include verifying source Excel data, preparing the database structure in MySQL, and performing the extract, transform, and load of data using Pentaho.
DMDW 7. Student Presentation - Pentaho Data Integration (Kettle)
ETL involves extracting data from outside sources, transforming it to fit operational needs, and loading it into an end target database. The document discusses extracting Excel data which can contain errors like null entries, spelling mistakes, and duplicates. It describes normalizing the data to decompose relations and define relationships between smaller, well-structured tables. Various ETL tools are mentioned, including Pentaho Data Integration, an open source and user-friendly tool that supports extraction, transformation, and loading capabilities.
DMDW 9. Student Presentation - Java to MySQL
This document provides an introduction to an exercise on Extract, Transform, Load (ETL) processes. It was presented by Stefan Böttler, Daniel Henn and Philipp Grundmann for the course Data Mining & Data Warehouse taught by lecturer Dipl.-Inf. (FH) Johannes Hoppe. The document outlines the ETL process of extract, transform, load and lists the software requirements of Java, MySQL, XAMPP and HeidiSQL.
DMDW 11. Student Presentation - JAVA to MongoDB
The document describes an ETL tool created in Java to extract data from an Excel file and load it into a MongoDB database. The tool uses the Morphia ORM mapper to map Excel data to Java objects and then to documents in MongoDB for storage. The tool was built using Java 1.6 and runs on any machine with a JVM, extracting from Excel files and transforming and loading the data into MongoDB in a non-SQL document format.
DMDW 1. Student Presentation - Access 2007
The document discusses integrating an Excel spreadsheet into a Microsoft Access database. It describes the tools used, including Microsoft Access 2007, 2010, and Excel 2007 and 2010. Some common problems that can occur during import are discussed, such as missing column headings, empty spaces, and formatting errors with dates and times. Solutions for resolving these problems, such as manual corrections and using Access 2010 features, are provided. A live demonstration of the integration process is also included.
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MDC kompakt 2014: Hybride Apps mit Cordova, AngularJS und Ionic
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2012-09-17 - WDC12: Node.js & MongoDB
- 3. Anno 2006
- 13. var result = db.query("select * from table"); doSomething(result); // wait! doSomethingWithOutResult(); // blocked
- 14. db.query("select * from table", callback); doSomethingWithOutResult();
- 15. db.query("select * from table", function(result){ doSomething(result); //wait! }); doSomethingWithOutResult();
- 17. var http = require('http'); http.createServer(callback).listen();
- 18. var http = require('http'); var callback = function (request, response) { response.writeHead(200, {'Content-Type': 'text/plain'}); response.end('Hello Worldn'); }; http.createServer(callback).listen();
- 28. { _id : ObjectId("5055e94ae0745519e458ac70"), Title : "MongoDB Testeintrag", Message : "Ein gruener Postit", Added : ISODate("2012-05-12T22:00:00Z"), Categories : [ { Name : "Normal Importance", Color : "green" }, { Name : "Private", Color : "gray" }] }
- 34. › ›