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The yield return operator is one of the least known among programmers using C#. At least among beginners. And even those who know something about it, are not completely sure that they understand the principle of its work correctly. This annoying gap must be corrected. And, I hope this article will help you with this. The yield return operator returns the collection item in the iterator and moves the current position to the next element. The presence of the yield return operator turns the method into an iterator. Each time an iterator encounters a yield return, it returns a value. This operator signals to us and the compiler that this expression is the iterator. The task of the iterator is to move between the elements of the collection and return the value of the current one. Many people are used to call the counter in the loop as an iterator, but this is not true, because the counter does not return a value. The iterator is converted by the compiler into a "f ...

Electronic document management has become an integral part of our lives already long time ago. Everyone appreciated the convenience of such documents - they do not deteriorate over time, they are more difficult to lose, easy to store and quickly transfer to any distance. And although, the times of registered letters and parcels have not yet passed, the need for them will completely disappear very soon. The bureaucratic system recognizes only signed documents and that was a major obstacle to the development of electronic document management. After all, what's the use of the document transfer speed, if its signed version is necessary, so to say “original”. Therefore, electronic signatures have been developed - ciphers that guarantee uniqueness and originality, allowing to unequivocally establish authorship and protect against document changes. Thanks to reliable encryption algorithms, such signatures are no worse than handwritten, and even better, more reliable. ...

"Wie speichert man im HTML-Dateiformat aus Delphi?", "wie erstellt man eine HTML 5-Datei aus Delphi?", "wie erstellt man eine HTML 5-Datei aus Lazarus?" - diese Fragen tauchen oft unter den Entwicklern auf. Ein HTML-Dokument ist in der Hypertext Markup Language (HTML) geschrieben. Sie dient dazu, relativ einfache, aber schön gestaltete Dokumente zu erstellen. Es macht keinen Sinn, von Anfang an über HTML zu sprechen. Aber es lohnt sich, auf einige Merkmale einzugehen - HTML kann unterschiedlich sein - mit tabellarischen und schichtweisen Layouts, HTML 4 und HTML 5 Standards (frühere werde ich nicht berücksichtigen, da sie bereits aus dem Verkehr gezogen sind). Dank HTML5 haben Webseiten gelernt, Daten lokal in den Browsern der Benutzer zu speichern, was es erlaubt, ...

In den letzten Jahren sind QR-Codes zu einem alltäglichen Teil unseres Lebens geworden. QR-Code ist ein zweidimensionaler Barcode, der von einem digitalen Gerät leicht gelesen werden kann und Informationen in einer Reihe von Pixeln speichert. Sie sind in Handel, Logistik und Produktion weit verbreitet. Im Gegensatz zum Barcode können QR-Codes in zwei Richtungen gelesen werden – horizontal und vertikal. Deshalb können sie mehr Daten speichern. Sie si ...

+ added TfrxMemoView.Clipped property+ added TfrxReport.OnAfterPrintReport event+ added baClient to Align property+ added Danish, Chinese resources+ now you can use national chars in the script identifier names+ added TfrxPDFExport.PrintOptimized property+ improved speed of the Excel export filter+ added log rotate function in Client/Server version- bug fixes ...

Fast Reports is going to BASTA! in February 24 personally! Can FastReport work with BigData? We will speak about on BASTA! Spring! BASTA! is the most famous and independent conference for .NET technologies in Germany. At BASTA! renowned experts from all over Europe come together to share their .NET knowledge with conference attendees. For many years, the conference has offered a unique blend of sessions, workshops and keynotes, giving attendees a level of information that is unparalleled. Conference City: Darmstadt Period: 24.02.2014 to 28.02.2014   ...

We wish you a Merry Christmas and Happy New Year!1. FastReport 4.01 releasedWhat is new?------------+ added ability to show designer inside panel(TfrxReport.DesignReportInPanel method). See new demoDemos\\EmbedDesigner+ added TeeChart7 Std support+ [server] added "User" parameter in TfrxReportServer.OnGetReport,TfrxReportServer.OnGetVariables andTfrxReportServer.OnAfterBuildReport events+ added Cross.KeepTogether property+ added TfrxReport.PreviewOptions.PagesInCache property- barcode fix (export w/o preview bug)- fixed bug in preview (AV with zoommode = zmWholePage)- fixed bug with outline + drilldown- fixed datasets in inherited report- [install] ...

Wir freuen uns, Sie über Black Friday-Rabatte auf alle Fast Reports-Produkte zu informieren. Aktion beginnt 29 November und wird bis zum Datum fortgesetzt 3 Dezember 2013. ...

Sybase SQL Anywhere database has a number of very useful features that make it very competitive in comparison with competitors. First, it allows you to handle very large volumes of data. Secondly - it is highly productive, that is, despite the offer large volumes of data fast. Thirdly it requires minimal administration. Finally, it is perfectly integrated into custom applications, as almost completely automated and does not require support. In order to connect to SQL Anywhere database, you need a plug-in connector for report designer which is provided by FastReport. Net. Before connecting the plug-in, you need to create its library. In the delivery of FastReport.Net there are projects to create the connectors. All you need - to restore NuGet library and build the project. The project is located in the folder: C:\Program Files (x86)\FastReports\FastReport.Net\Extras\Connections\FastReport.SqlAnywhere As a result, after you build the project, you'll get the Fas ...