Explain the following unexpected result:
$ whereis date
date: /bin/date ...
$ echo $PATH
.:/usr/local/bin:/usr/bin:/bin
$ cat > date
echo "This is my own version of date."
$ ./date
Tue May 21 11:45:49 PDT 2013
You do not have execute permission for the date file in the working directory,
so the shell does not execute it but rather executes the /bin/date file.
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A good reason to use the binary tree structure is
a. to expedite the process of searching large sets of information b. aesthetics and program design c. code readability d. that it is more flexible than the unary tree structure e. None of these
When you select a check box, for example, its Checked property changes from False to True.
Answer the following statement true (T) or false (F)
?_____ contains a generic grouping of elements within a document.
A. ?
A ______ of height h is full down to level h – 1, with level h filled in from left to right.
a) full binary tree b) complete binary tree c) balanced binary tree d) general tree