Ubuntu Unleashed 2019 Edition: Covering 18.04, 18.10, 19.04

Android Runtime Some of the higher-level components of Android in the Application layer (described next) interac ...

example, /home/matthew). Doing so creates a new directory called android-studio. Note where you put this direc ...

FIGURE 45.1 The main Android Studio options appear when you start it. (© Google, LLC) FIGURE 45.2 You can conf ...

FIGURE 45.3 Use Android SDK Manager to find what you need and remove what you do not. (© Google, LLC) At ...

References http://developer.android.com/—The main website for Android development. Most of this chapter could n ...

PART VI Bonus Chapters ...

BONUS CHAPTER 46 Using Perl IN THIS CHAPTER Using Perl with Linux Perl Variables and Data Structures ...

Using Perl with Linux Although originally designed as a data-extraction and report-generation language, Perl ...

of available updates for Ubuntu. You can determine what version of Perl you have installed by typing perl ...

The sample program in the listing is a two-line Perl program. When you type in the program and run it (usi ...

information about the version of Perl installed on your system. To learn how to use the perldoc command, enter ...

number like a string, it becomes a string. If you treat a string like a number, it is translated into a ...

$ is perhaps the most useful of these. You see this variable used often in this chapter. $ is the Perl ...

> Greater than <= Less than or equal to >= Greater than or equal to <=> Returns –1 if less th ...

operators and their meanings. Table 46.3 Compound Pattern Operators in Perl OperatorMeaning && Logical AND | ...

—y Decrements y by 1 and uses the value (prefix decrement) y— Uses the value of y and then decrements by 1 ...

Except for the comma operator and conditional expression, you can also use these operators with the assignment ...

Perl offers two conditional statements, if and unless, which function opposite one another. if enables you to exe ...

unless unless works just like if only backward. unless performs a statement or block if a condition ...

for ($i=1; $i<=10; $i++) { print "$i\n" } foreach The foreach construct performs a statem ...