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How to Create Thumbnail Images in C# and VB.NET | DotNetCurry
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The Duration attribute instructs ASP.NET to cache the page for 20 seconds. The VaryByParam attribute is also required but you ll learn about its effect later on in the Caching and the Query String section. When you run the test page, you ll discover some interesting behavior. The first time you access the page, you will see the current time displayed. If you refresh the page a short time later, however, the page will not be updated. Instead, ASP.NET will automatically send the cached HTML output to you, until it expires in 20 seconds. When the cached page expires, ASP.NET will run the page code again, generate a new cached copy, and use that for the next 20 seconds. Twenty seconds may seem like a trivial amount of time, but in a high-volume site, it can make a dramatic difference. For example, you might cache a page that provides a list of products from a catalog. By caching the page for 20 seconds, you limit database access for this page to three operations per minute. Without caching, the page will try to connect to the database once for each client and could easily make dozens of requests in the course of 20 seconds. Of course, just because you request that a page should be stored for 20 seconds doesn t mean that it actually will be. The page could be evicted from the cache early if the system finds that memory is becoming scarce. This allows you to use caching freely, without worrying too much about hampering your application by using up vital memory.

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how to convert the first page of pdf to thumbnail image - MSDN ...
May 4, 2013 · how to create the first page of the pdf file to thumb nail image ... .com/Articles/5887/Generate-Thumbnail-Images-from-PDF-Documents.

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How to create thumbnail Image from !st page of Pdf using Any Open ...
Hi Experts How can i convert jpeg image from 1st page of uploaded pdf by using open source tools like iTextSharp or other tools.

External requirements have their own properties and are reported on separately in the RTF documentation.

When you recompile a cached page, ASP.NET will automatically remove the page from the cache. This Tip prevents problems where a page isn t properly updated, because the older, cached version is being used. However, you might still want to disable caching while testing your application. Otherwise, you may have trouble using variable watches, breakpoints, and other debugging techniques, because your code will not be executed if a cached copy of the page is available.

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C# Create PDF Thumbnail SDK: View, preview PDF thumbnail ...
How to generate , make, preview PDF document thumbnail image icons in C# .NET. C# create Adobe pdf file thumbnail images with specified image size (width, height) C# generate , get pdf thumbnail files for selected PDF pages. .NET Class Namespace Required.

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Generate thumbnail image for office document in c# - MSDN - Microsoft
Hello everyone, I'm building a winform app that displays office documents' previews and I want to display the office documents' thumbnails in a ...

Another option is to cache the page exclusively on the client side. In this case, the browser stores a copy and will automatically use this page if the client browses back to the page or retypes the page s URL. However, if the user clicks the Refresh button, the cached copy will be abandoned, and the page will be rerequested from the server, which will run the appropriate page code once again. You can cache a page on the client side using the Location attribute in the OutputCache directive, which specifies a value from the System.Web.UI.OutputCacheLocation enumeration. Possible values include Server (the default), Client, None, and Any.

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how to convert the first page of pdf to thumbnail image - MSDN ...
4 May 2013 ... how to create the first page of the pdf file to thumb nail image ... .com/Articles/ 5887/ Generate - Thumbnail -Images-from- PDF -Documents.

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C# Create PDF Thumbnail SDK: View, preview PDF thumbnail ...
How to generate, make, preview PDF document thumbnail image icons in C#.NET. C# create Adobe pdf file thumbnail images with specified image size (width, height) C# generate, get pdf thumbnail files for selected PDF pages. .NET Class Namespace Required.

The onResume() method is called just before your activity comes to the foreground, after being initially launched, being restarted from a stopped state, or a pop-up dialog (e.g., an incoming call) is cleared. This is a great place to refresh the UI based on things that may have occurred since the user was last looking at your activity. For example, if you are polling a service for changes to some information (e.g., new entries for a feed), onResume() is a fine time to both refresh the current view and, if applicable, kick off a background thread to update the view (e.g., via a Handler). Conversely, anything that steals your user away from your activity usually, the activation of another activity will result in your onPause() being called. Here, you should undo anything you did in onResume(), such as stopping background threads, releasing any exclusive-access resources you may have acquired (e.g., a camera), and the like. Once onPause() is called, Android reserves the right to kill off your activity s process at any point. Hence, you should not be relying on receiving any further events.

EA has a rather nifty tool called the Relationship Matrix. It s a spreadsheet-like display of relationships between model elements. You select a source package and a target package, the relationship type and direction, and then EA will display all the relationships between source and target elements by highlighting a grid square.2 You can also use the Relationship Matrix to create and manage the relationships between requirements (see Figure 13-9). This is a convenient way of quickly building up complex relationships and hierarchies. Choose View Relationship Matrix from the main menu to access this window.

The remaining session state settings allow you to configure ASP .NET to use different session state services, depending on the mode that you choose. The next few sections describe the modes you can choose from.

Note If you re hosting ASP.NET using more than one web server (which is affectionately known as a web

farm), you ll also need to take some extra configuration steps to make sure all the web servers are in sync. Otherwise, one server might encode information in session state differently than another, which will cause a problem if the user is routed from one server to another during a session. The solution is to modify the <machineKey> section of the machine.config file so that it s consistent across all servers. For more information, refer to 12.

Figure 13-9. EA s Relationship Matrix feature A point to note when using requirements and the Relationship Matrix is that multiple elements can be selected and realized to a Requirement element (or any other element) by dragging the mouse across a set of cells or Ctrl-clicking individual cells. When you right-click

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c# - Create PDF preview - Code Review Stack Exchange
It open a PDF file, create a thumbnail (using PdfDocument class) and returns ... lock(pdfDocumentMutex) { using ( Image image = pdfDocument.

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