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Global address list This is the master list containing all mail-enabled users, groups, and contacts within your Exchange organization Offline address list This is a master list of addresses that can be downloaded to Microsoft Outlook clients that have been configured to use offline folders All users A list of all mailbox- and mail-enabled users in your Exchange organization All groups A list of all mail-enabled security and distribution groups in your organization All contacts A list of all mail-enabled contacts in your organization Public folders A list of all public folders in your organization

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Syncfusion Essential PDF supports OCR by using the Tesseract open-source engine. With a few lines of code, a scanned paper document containing raster images is converted to a searchable and selectable document. You can download the OCR processor product setup here.

Perl provides a facility called taint checking This option forces Perl to examine the origin of the variables used within a script Information gleaned from the outside world is tainted, or marked as possibly unsafe, depending on the context in which it s

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Extracting Text from an Image Using Tesseract in C# - CodeGuru
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used Further, variables derived from tainted variables are also tainted Perl then examines where the variables are used, and in what context, to decide whether the code breaks any of the prebuilt rules Some of the checks are relatively simple, such as verifying that the directories within a given path are not writable by other users Some are more complex and rely on Perl s compiler and syntax checker to accept or reject the statement The rule is straightforward: you cannot use any data from the outside world that may directly or indirectly affect something outside of your program In essence, this means you can use external variables internally for everything except specific system calls, subshell executions, or destinations for data files The following code fragment shows the results of running some statements with taint checking switched on:

The following statement inserts a new paragraph after the third paragraph of the active document:

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$cmd = shift; $run = "echo $cmd"; $alsoran = `echo Hello`; system "echo $cmd"; system "$alsoran"; system "/bin/echo", $cmd; # # # # # # tainted - its origin is the command line Also tainted - derived from $cmd Not tainted Insecure - external shell with $cmd Insecure - until $PATH set Secure - doesn t use shell to execute

If you look back for a moment to Figure 68 you can see the address book open in Outlook 2000 and the various default address lists displayed within it

If you try to execute this as a script with taint checking switched on, you will receive errors similar to Insecure dependency or Insecure $ENV{PATH} for lines 4 and 5 Also note that anything that implies the use of an external command or function also makes the data insecure Therefore, anything that accesses the environment (via %ENV), that calls to file globbing routines (glob or <*c>), as well as some open constructs also returns tainted information Finally, any system functions, such as umask, unlink, link, and others, when used with tainted variables, are also considered insecure In each case, there are some exceptions If you modify the environment from Perl before accessing it, then the information is not tainted (Perl remembers that you made the modification); so the code

$ENV{'PATH'} = '/bin:/usr/bin'; $path = $ENV{'PATH'};

insert text return & "Industrial Policy" & return at the end of the text object of the third paragraph of the active document

does not taint $path, since its source was actually internal In the case of the open command, reads from tainted file names are allowed, since reading is nondestructive However, writes to files referred to by tainted variables are not allowed; thus the code

$file = shift; open(DATA,">$file");

If these default address lists are insufficient for your purposes (and they usually are), you can easily create your own custom address lists You can configure Outlook to use these address lists in various ways, edit lists, and perform other administrative actions with regard to them The remainder of this chapter will walk you through some of these procedures

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Extracting Text from an Image Using Tesseract in C# - CodeGuru
Feb 26, 2019 · Study how to extract image text using Tesseract and writing C# code ... scanned paper documents, PDF files, and images to searchable text ...

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OCR using Tesseract in C# - C# Corner
Dec 18, 2018 · In this article I am going to show how to do OCR using Tesseract in C#.

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