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May 8, 2018 · Post summary: How to extract text from PDF in C#. ... using iTextSharp.text.pdf; using iTextSharp.text.pdf.parser; using System.Text; namespace ...

In comparison to rich desktop applications, Silverlight applications have restricted functionality and features. Only a subset of the .NET Framework is available to Silverlight applications (although it is a fairly reasonable subset), and the capabilities and features of the controls are somewhat limited too, so you will find that some things tend to be more difficult (or impossible) to do in Silverlight than in the desktop counterpart. Silverlight is also not designed for integrating with other applications, the underlying operating system, or hardware devices. Silverlight applications are designed to be



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sandboxed, and although the elevated trust and COM features in Silverlight 4 enable you to get around many of these limitations, you do need to run the applications outside of the browser (with elevated trust) in order for those workarounds to be possible. These are the primary considerations you will have to take into account before choosing Silverlight as a platform. Determine the current and potential future requirements of your application, identify any features that conflict with Silverlight s limitations, and then decide whether Silverlight is really the bestsuited platform for your needs.

To add a random salt to the preceding hash, you could apply the following this code to it:

I Note Before we get into the code, let me take a moment to mention this critical point: caching is hard. It s





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Syncfusion Essential PDF is a .NET standard PDF library used to create, read, and edit PDF files in any .NET Core applications. Key features: • Create, edit, fill,​ ...

Let s compare Silverlight with the other core platforms Microsoft provides and identify the primary pros and cons of each.

Shared features: Both use XAML for defining user interfaces (with Silverlight essentially a subset of WPF). Both can be deployed via a browser as sandboxed applications.

$salt = substr(md5(time()), 0, 7); // create a random salt $hash = $salt . sha1($salt . $password);

Pros:

simple enough to dump objects into the cache and retrieve them, but knowing what to cache and when to cache it (and maybe more importantly when to expire it) is the key to an effective caching layer. It seems easiest to simply cache everything and cache it often, but your application s requirements may not be in line with this approach. Also, caching can occasionally hide bugs (of many types) if applied too early in the development process; this is part of why we are discussing it later in the game.

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use iTextSharp to save pdf to Network drive | The ASP.NET Forums
Hello, I'm using iTextSharp to convert part of the page to pdf and save it in a folder. Now I want the pdfs to be saved in a Network Folder (shared ...

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Cons: WPF requires the full .NET Framework to be installed on the machine. WPF is limited to running on Windows only. WPF does not have the hype and community/Microsoft support that Silverlight has. WPF has minimal restrictions, and it requires no sandbox (unless deployed via a browser as an XBAP without full trust turned on). WPF has the power of the full .NET Framework behind it.

The preceding code generates a random seven-digit salt. The salt is prepended to the password string before hashing; this means that even if two users have the same password, their individual password hashes will be different. However, in order to reproduce that hash, the salt needs to be available. For this reason, the salt is also prepended, unencrypted, to the hash. This way, when a user signs in, you re able to extract the salt from the hash when it s retrieved from the database and use it to recreate the salted hash of the user s password:

Shared features: Both can be downloaded via a browser (although Windows Forms applications cannot be run within the browser like Silverlight applications) and update themselves automatically when a new version is available (using click-once with Windows Forms applications).

Cons:

One of the strengths of the .NET 4 Framework is the ability to swap providers for your cache (including the OutputCache). As such, if we want to engineer flexibility in our caching options, we should opt to hide the specific implementation details away in our libraries and work through abstractions and wrappers. The next few examples will use the client libraries we built directly to see how they work; then we ll wrap them in other code to hide what s actually being done.

It has the power of the full .NET Framework behind it. It is very easy to develop (no need to understand XAML). It is mature, having been around since the inception of the .NET Framework. It requires no graphical skills to design user interfaces with the standard style of Windows applications.

$salt = substr($dbhash, 0, 7); // extract salt from stored hash $hash = $salt . sha1($salt . $_POST['password']); if ( $dbhash==$hash ) { echo "Match!"; } else { echo "No match."; }

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