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IT

Anything related to information technologies and information systems


What is heap and stack?

The stack is a place in the computer memory where all the variables that are declared and initialized before runtime are stored. The heap is the section of computer memory where all the variables created or initialized at runtime are stored.

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noexecute DEP parameter in boot.ini

The noexecute parameter is a switch in the boot.ini file used to enable, disable, and configure Data Execution Prevention (DEP).

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DEP Data Execution Prevention

Data Execution Prevention (DEP) helps to prevent an application or service from executing code in a non-executable memory region. Data Execution Prevention DEP is a security feature available in modern Microsoft Windows operating systems.

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Fastdetect boot.ini switch

The /fastdetect parameter is used to disable the Windows operating system from detecting specified communications ports during startup.

The /fastdetect switch is used often for security reasons. Having the fastdetect parameter in your boot.ini file prevents your Windows system from unauthorized booting from unsupported device.

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3GB Switch in Windows boot.ini

The /3GB or 3GB switch in the boot.ini file lets you tune the use of memory and memory address space in your computer. The /3GB switch specifies the amount of memory for user-mode virtual address space. It is used to allocate more memory to applications and less memory to the operating system.

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ASCII table

ASCII is a standard for character encoding used by computers and communications equipment to represent text. ASCII is short for American Standard Code for Information Interchange. You can find the ASCII table below.

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Carriage return and line feed problems

Line feed and carriage return are two different ways of how your computer sees the Enter key.

While for example the character M is interpreted the same way in Windows and in UNIX, the ENTER key is interpreted differently. This causes problems when transferring files and data from one platform to another one.

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Line termination: line feed versus carriage return 0d 0a

Line feed and carriage return are two different ways of computer interpretting the ENTER key. Line feed and carriage return are two different ways how lines are ended in the computer language. Both the line feed and carriage return originate in the typewriter age.

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Tabbed browsing

Tabbed browsing represents an easier way to switch between web sites or web pages. Modern browsers that support tabbed browsing let you view many different websites at one time, all within one organized window.

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Outlook: reuse windows for hyperlinks

This page describes how to set up MS Outlook so that when you click on a link within an email, it opens up a new Explorer browser window for each link that you open. In other words how to reuse windows for hyperlinks or how to open each link in a new window.

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