m: cd ~/testdir</code>
Then at the Linux prompt, type,
<code>compsci-user@tim: cp /vol/examples/tutori... er how?). Then, inside the **testdir** directory, type
<code>compsci-user@tim: mv science.bak backups/.</code>
Type **ls** and **ls backups** to see if it has worked... en delete it.
Inside your **testdir** directory, type
<code>compsci-user@tim: cp science.txt tempfile.
y (access rights)====
In your testdir directory, type
<code>compsci-user@tim:~$ ls -l (l for long list... ons on the file biglist for the group and others, type
% chmod go-rwx biglist
This will leave the othe... processes, with their associated PID and status, type
<code>compsci-user@tim:~$ ps</code>
A process m... background processes===
To background a process, type an & at the end of the command line. For example,
write the contents of a file to the screen.
Now type **cat** without specifing a file to read
<code>compsci-user@tim:~$ cat</code>
Then type a few words on the keyboard and press the [Return... file called **list1** containing a list of fruit, type
<code>compsci-user@tim:~$ cat > list1</code>
Then type in the names of some fruit. Press [**Return**] af
ved.
To find out what is in your home directory, type
<code>
compsci-user@tim:~$ ls
</code>
The **ls** ... ory including those whose names begin with a dot, type
<code>
compsci-user@tim:~$ ls -a
</code>
{{:help... alled unixstuff in your current working directory type
<code>compsci-user@tim:~$ mkdir testdir</code>
To see the directory you have just created, type
<code>compsci-user@tim:~$ ls</code>
==== 1.3 C
or.
b) A public method called "imageOf", with a type double parameter "x" and a type double
return type. Let its body be such that it always returns "Double.NaN". Recall
that Double is a class, not a pod-type. NaN is short for Not A Number.
c) A public met
unctions can consume and produce these additional types of data, in addition to numbers. We will write p... es to itself in the WeScheme's Interactions pane. Type in some numbers (one at a time, then hit Enter):
... , and ''/''
Once again in the Interactions pane, type in some Scheme expressions (and hit enter to eval... of text and images, and functions that work these types of data. Evaluate these expressions in the Inter
rectory containing the package's source code.
- Type **./configure** to configure the package for your system.
- Type **make** to compile the package.
- Optionally, type **make check** to run any self-tests that come with the package.
- Type **make install** to install the programs and any
r current quota and how much of it you have used, type
<code>compsci-user@tim:~$ quota -v</code>
===df... ind out how much space is left on the fileserver, type
<code>compsci-user@tim:~$ df .</code>
===du===
... ctory has the most files. In your home-directory, type
<code>compsci-user@tim:~$ du</code>
===compress... e, thus freeing valuable disk space. For example, type
<code>compsci-user@tim:~$ ls -l science.txt</cod
ode>. In order to turn these values into the data types we all know and love (<code>String</code>, <code... nswer.</p>
<p><strong>Question 1.1:</strong> What type of edits did you need to make to the data pass th... viously not correct? How did you handle the other types of errors? Take a look at "Data" shee... de>transform-column</code> can return a different type from its input type.</p>
<p>Give your new table t
<html>
<style type="text/css">
.comment { font-style: italic; color: #c0342d; }
.name, .variable, code v... >
<p>In order to turn these values into the data types we all know and love – <code>String</code>, <cod... swer.</p>
<p><strong>Question 1.1</strong>: What type of edits did you need to make to the data pass th... viously not correct? How did you handle the other types of errors? Take a look at the “Cleaned Data” she
s
* Chapter 7: Java Object Model
* Java Type system
* Type Inquiry
* Object Class
* Shallow and Deep Copy - Cloning
* Serial... shallow copy and deep copy
* Reflection and type inquiry
* Generics / wildcards
One page o... shallow copy and deep copy
* Reflection and type inquiry
* Generics / wildcards
*/
----
<htm
is is the current operating system you are using. Type
<code>compsci-user@tim:~$ echo $OSTYPE</code>
M... command.
To show all values of these variables, type
<code>compsci-user@tim:~$ printenv | less</code>... gh all the commands they have previously entered. Type
<code>compsci-user@tim:~$ echo $history</code>
... command.
To show all values of these variables, type
<code>compsci-user@tim:~$ env | less</code>
So
gin programming!
- In the interactions window, type:<code>
››› 1
</code> and press ''enter''. This ge... window. In future labs and assignments, you will type
in your own code, but for the purposes of this la... :
<code>
# CMPU 101 Lab 1
# Evaluating different types of data expressions
# <YOUR NAME>
# Numbers are a type of data.
# - The following expression adds number
can experiment.
* In the interactions window, type:<code>
››› 1
</code> and press enter. This gets e... window. In future labs and assignments, you will type
in your own code, but for the purposes of this la... :
<code>
# CMPU 101 Lab 1
# Evaluating different types of data expressions
# <YOUR NAME>
# Numbers are a type of data.
# - The following expression adds number