A new scope for a local variable is introduced in the toplevel, a class (module) definition, a method defintion. In a procedure block a new scope is introduced but you can access to a local variable outside the block.
The scope in a block is special because a local variable should be localized in Thread and Proc objects.
while, until, and for are control structures and the scope is shared with the outside of these structures. loop is a method and the appended block introduces a new scope.
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There are 3 main uses for the static.
1. If you declare within a function:
It retains the value between function calls
2.If it is declared for a function name:
By default function is extern..so it will be visible from other files. if the function declaration is as static, it is invisible for the outer files
3.Static for global variables:
By default we can use the global variables from outside files If it is static global..that variable is limitied to with in the file
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Tuesday, September 11, 2007
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Something thatâ?Ts used in an expression to manipulate objects such as + (plus), - (minus), * (multiply), and / (divide). You can also use operators to do comparisons,such as with <, >, and &&.
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Thursday, September 13, 2007
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Ecotourism, also known as ecological tourism, is a form of tourism
that appeals to ecologically and socially conscious individuals.
Generally speaking, ecotourism focuses on volunteering, personal
growth, and learning new ways to live on the planet. It typically
involves travel to destinations where flora, fauna, and cultural
heritage are the primary attractions.
Responsible ecotourism includes programs that minimize the negative
aspects of conventional tourism on the environment and enhance the
cultural integrity of local people. Therefore, in addition to
evaluating environmental and cultural factors, an integral part of
ecotourism is the promotion of recycling, energy efficiency, water
conservation, and creation of economic opportunities for the local
communities
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Saturday, June 28, 2008
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Yes. If you are debugging via Visual Studio.NET, just go to Immediate window.
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Tuesday, May 13, 2008
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The data value may not be changed. Note: The variable value may be changed, but the original immutable data value was discarded and a new data value was created in memory.
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Tuesday, May 13, 2008
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It is available to any sub-class (a class inheriting this class).
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Tuesday, May 13, 2008
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