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Index: O

/o modifier (regularexpressions): 6.5.3. Compiled Regular Expressions (Practical mod_perl)
ob_clean( ): 13.3.1. Output Buffering (Programming PHP)
ob_end_clean( ): 13.3.1. Output Buffering (Programming PHP)
A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
ob_end_flush( ): 13.3.1. Output Buffering (Programming PHP)
A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
ob_flush( ): 13.3.1. Output Buffering (Programming PHP)
ob_get_contents( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
ob_get_contents( ) function: 13.3.1. Output Buffering (Programming PHP)
ob_get_length( ): 13.3.1. Output Buffering (Programming PHP)
A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
ob_gzhandler( ): 13.3.2. Compressing Output (Programming PHP)
A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
ob_implicit_flush( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
objcopy command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
objdump command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
(object) casting operator: 2.4.11. Casting Operators (Programming PHP)
object files: 13.1.1. Quick Overview (Running Linux)
13.2. Makefiles (Running Linux)
Object Linking and Embedding (see OLE)
object methods: 6.1. Terminology (Programming PHP)
PEAR DB library: 8.3. PEAR DB Basics (Programming PHP)
as XML parsing handlers: 11.3.9. Methods as Handlers (Programming PHP)
object-oriented database management systems (OODBMS): 3.1.1. The SQL Story (Managing & Using MySQL)
object-oriented programming: 2.2.6. Objects (Programming PHP)
creating maintainable Perl programs: 9.3.1. A Model for Relational Data (Managing & Using MySQL)
declaring classes: 6.4. Declaring a Class (Programming PHP)
object/relational modeling: 8.3. Object/Relational Modeling (Managing & Using MySQL)
PEAR DB library: 8.3. PEAR DB Basics (Programming PHP)
PHP terminology: 6.1. Terminology (Programming PHP)
object-relational database management systems (ORDBMS): 3.1.1. The SQL Story (Managing & Using MySQL)
Objective-C programming language, compiling (gcc): 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
objects: 2.2.6. Objects (Programming PHP)
6. Objects (Programming PHP)
A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
casting to/from arrays: 2.4.11. Casting Operators (Programming PHP)
COM class and VARIANT type: 15.3.2. PHP Functions (Programming PHP)
creating: 6.2. Creating an Object (Programming PHP)
defined: 6.1. Terminology (Programming PHP)
displaying with print_r( ): 4.2.4. print_r( ) and var_dump( ) (Programming PHP)
extension functions returning: 14.8.3. Objects (Programming PHP)
functions for: A.1. PHP Functions by Category (Programming PHP)
getting class for: A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
in XML parsing: 11.3.9. Methods as Handlers (Programming PHP)
instantiating: 8.3. Object/Relational Modeling (Managing & Using MySQL)
introspection: 6.5. Introspection (Programming PHP)
mysql_fetch_object( ) and: 18.2. Functions (Managing & Using MySQL)
properties: 6.1. Terminology (Programming PHP)
A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
properties and methods, accessing: 6.3. Accessing Properties and Methods (Programming PHP)
rows in database query results: 8.3.5.3. Inside a row array (Programming PHP)
serialization of: 6.6. Serialization (Programming PHP)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
_ _sleep( ) and _ _wakeup( )s: 6.6. Serialization (Programming PHP)
logfile (example): 6.6. Serialization (Programming PHP)
unserializing: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
ob_start( ): 13.3.1. Output Buffering (Programming PHP)
A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
obtaining FreeBSD Unix: 1.6.3. Which Unix? (Apache: The Definitive Guide)
OCT( ) function: 17.2.2. General Functions (Managing & Using MySQL)
octal numbers: 2.2.1. Integers (Programming PHP)
octdec( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
OCTET_LENGTH( ) function: 17.2.2. General Functions (Managing & Using MySQL)
od command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
ODBC
mysql_odbc_escape_string( ) and: 19.2. Functions (Managing & Using MySQL)
mysql_odbc_remove_escape( ) and: 19.2. Functions (Managing & Using MySQL)
ODBC data sources, interacting with: 15.4. Interacting with ODBC Data Sources (Programming PHP)
Access: 15.4.4. Working with Access (Programming PHP)
configuring a DSN: 15.4.1. Configuring a DSN (Programming PHP)
Excel
accessing data: 15.4.2. Accessing Excel Data (Programming PHP)
limitations as database: 15.4.3. Limitations of Excel as a Database (Programming PHP)
ODBC extension: B.1. Optional Extensions Listing (Programming PHP)
ODBM_File: 19. DBM and mod_perl (Practical mod_perl)
O'Dell, Devon: 11.8. Where to Find Out More (Managing & Using MySQL)
of variable (printcap): 8.4.5.3. The rest of the printcap variables (Running Linux)
offsets, superblock: 8.6.1. Repairing Filesystems (Running Linux)
OLE (Object Linking and Embedding): 15.3.1. Background (Programming PHP)
COM objects and parameters, exposing with Word macro: 15.3.3. Determining the API (Programming PHP)
ON clause (GRANT statement): 6.1.2.1. GRANT and REVOKE (Managing & Using MySQL)
ON keyword: 3.9.5. Outer Joins (Managing & Using MySQL)
one-and-only-one relationships: 7.2.3. Relationships (Managing & Using MySQL)
--one-database mysql option: 4.5.1. mysqldump Recovery (Managing & Using MySQL)
//(one-line comments in PHP scripts): 11.1.1. A Short Language Primer (Managing & Using MySQL)
one-or-many relationships: 7.2.3. Relationships (Managing & Using MySQL)
one-to-many relationships: 7.2.5. Kinds of Relationships (Managing & Using MySQL)
7.4.2. Foreign Keys (Managing & Using MySQL)
designing models for maintainable Perl programs: 9.3.1. A Model for Relational Data (Managing & Using MySQL)
wedding gift registry database: 11.3.1. The Wedding Gift Registry Database (Managing & Using MySQL)
one-to-one relationships: 7.2.5. Kinds of Relationships (Managing & Using MySQL)
designing models for maintainable Perl programs: 9.3.1. A Model for Relational Data (Managing & Using MySQL)
object/relational modeling: 8.3. Object/Relational Modeling (Managing & Using MySQL)
one-way hashes: 5.11. Digest Authentication (Apache: The Definitive Guide)
onintr command (tcsh): 8.9. Built-in Commands (Linux in a Nutshell)
online documentation: 0.. Online Documentation (Linux in a Nutshell)
online documents (Linux resources): 1.8.1. Online Documents (Running Linux)
online help: 3.2.2. Getting Online Help (Running Linux)
online tutorials, CGI: 1.1.2. The Common Gateway Interface Specification (Practical mod_perl)
OODBMS (object-oriented database management systems): 3.1.1. The SQL Story (Managing & Using MySQL)
OOP (see object-oriented programming)
open( ): 6.4.8. Output from System Calls (Practical mod_perl)
open command
ex: 11.14. Alphabetical Summary of ex Commands (Linux in a Nutshell)
ftp: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
open source: 1.7. Open Source and the Philosophy of Linux (Running Linux)
open source software (see free software)
Open Source web sites: A.3.2. Open Source Projects (Running Linux)
open_basedir option, restricing filesystem access with: 12.2.2. Restrict Filesystem Access to a Specific Directory (Programming PHP)
open_basedir option, restricting filesystem access with: 12.2. Filenames (Programming PHP)
opendir( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
open_event( ): A.6.9.3. Event functions (Apache: The Definitive Guide)
opening
files: A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
sessions: 7.6.2.3. Custom storage (Programming PHP)
TCP or UDP connection on remote host: A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
on specific port: A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
openlog( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
open_logs phase: 25.2. New Apache Phases and Corresponding Perl*Handlers (Practical mod_perl)
25.2.1.1. PerlOpenLogsHandler (Practical mod_perl)
OpenOffice: 9.3.1. Word Processors (Running Linux)
OpenSSH: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
scp command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
OpenSSL: 11.7.1.2. OpenSSL (Apache: The Definitive Guide)
openssl, installing, configuring, and testing: 3.6.2. Installing mod_perl with mod_ssl (+openssl) (Practical mod_perl)
openvt command: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
operands: 2.4. Expressions and Operators (Programming PHP)
number of: 2.4.1. Number of Operands (Programming PHP)
operating systems
determining: 15.2.1. Determining the Platform (Programming PHP)
A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
discontinued products: 8.1.7. Discontinued Products (Practical mod_perl)
hanging processes, debugging: 21.7.1. Hanging Because of an Operating System Problem (Practical mod_perl)
memory leaks, avoiding: 8.1.4. Avoiding Memory Leaks (Practical mod_perl)
memory management: 8.1.3. Good Memory Management (Practical mod_perl)
memory-sharing capabilities: 8.1.5. Memory-Sharing Capabilities (Practical mod_perl)
mod_perl support: 8.1.1. mod_perl Support for the Operating System (Practical mod_perl)
performance tuning for: 5.4. Operating System/Hardware Tuning (Managing & Using MySQL)
releases: 8.1.8. Keeping Up with OS Releases (Practical mod_perl)
security for: 6.2.1. Operating System Security (Managing & Using MySQL)
selecting: 8.1. Choosing the Right Operating System (Practical mod_perl)
smart memory-page caching: 10.1.1. Calculating Real Memory Usage (Practical mod_perl)
stability: 8.1.2. Stability and Robustness (Practical mod_perl)
support costs: 8.1.6. The Real Cost of Support (Practical mod_perl)
supporting PHP: 1.1. What Does PHP Do? (Programming PHP)
operators: 2.4. Expressions and Operators (Programming PHP)
arithmetic: 2.4.5. Arithmetic Operators (Programming PHP)
assignment: 2.4.12. Assignment Operators (Programming PHP)
associativity of: 2.4.3. Operator Associativity (Programming PHP)
autoincrement and autodecrement: 2.4.7. Autoincrement and Autodecrement Operators (Programming PHP)
bitwise: 2.4.9. Bitwise Operators (Programming PHP)
casting: 2.4.11. Casting Operators (Programming PHP)
casting operand types: 2.4.4. Implicit Casting (Programming PHP)
comparison: 2.4.8. Comparison Operators (Programming PHP)
logical: 2.4.10. Logical Operators (Programming PHP)
miscellaneous: 2.4.13. Miscellaneous Operators (Programming PHP)
number of operands: 2.4.1. Number of Operands (Programming PHP)
precedence of: 2.4.2. Operator Precedence (Programming PHP)
string concatenation: 2.4.6. String Concatenation Operator (Programming PHP)
summary of: 2.4. Expressions and Operators (Programming PHP)
operators, SQL: 3.8. SQL Operators (Managing & Using MySQL)
17.1. Operators (Managing & Using MySQL)
optcd= boot option: 3.1.1. Booting Linux (Running Linux)
optimization, mod_perl: 24.3.5. Optimizations (Practical mod_perl)
optimization of code: 13.1.2. gcc Features (Running Linux)
13.1.5. Optimizing (Running Linux)
14.1.1. Tracing a Program (Running Linux)
OPTIMIZE statement: 15.2. SQL Commands (Managing & Using MySQL)
optimizing
code: 13.5. Performance Tuning (Programming PHP)
database connections: 8.3.2. Connecting (Programming PHP)
execution time: 13.5.3. Optimizing Execution Time (Programming PHP)
memory requirements: 13.5.4. Optimizing Memory Requirements (Programming PHP)
optimizing performance: 5. Performance Tuning (Managing & Using MySQL)
using bind variables: 9.1.4. Introducing Bind Variables and Optimizations (Managing & Using MySQL)
slow query logs: 4.3.3. The Slow Query Log (Managing & Using MySQL)
option argument syntax: 0.. Conventions (Linux in a Nutshell)
optional functions: 20.8.4. Optional Functions (Apache: The Definitive Guide)
example: 20.8.5. Optional Function Example (Apache: The Definitive Guide)
optional hooks: 20.8.2. Optional Hooks (Apache: The Definitive Guide)
example: 20.8.3. Optional Hook Example (Apache: The Definitive Guide)
OPTIONALLY keyword: 3.9.7.3. Pulling data from MySQL (Managing & Using MySQL)
15.2. SQL Commands (Managing & Using MySQL)
options
-D (debugging): 21.8.2. -D Runtime Option (Practical mod_perl)
fdisk: 3.1.3. Creating Linux Partitions (Running Linux)
getting help with: 3.9.4. Making a Local Apache Installation (Practical mod_perl)
MOD_PERL_TRACE environment variable: 21.4. Tracing mod_perl-Specific Perl Calls (Practical mod_perl)
tar command: 7.1.2. Using tar (Running Linux)
Options directive: 3.5. HTTP Response Headers (Apache: The Definitive Guide)
4.2.2. <Location /perl> Sections (Practical mod_perl)
Includes option: 14. Server-Side Includes (Apache: The Definitive Guide)
merging: 4.1.6. Options Directive Merging (Practical mod_perl)
Options ExecCGI: 3.5. HTTP Response Headers (Apache: The Definitive Guide)
16.2.2. Script in DocumentRoot (Apache: The Definitive Guide)
16.2.2. Script in DocumentRoot (Apache: The Definitive Guide)
Options FollowSymLinks: 3.5. HTTP Response Headers (Apache: The Definitive Guide)
3.5.1. FollowSymLinks, SymLinksIfOwnerMatch (Apache: The Definitive Guide)
Options FollowSymLinksIfOwnerMatch: 3.5.1. FollowSymLinks, SymLinksIfOwnerMatch (Apache: The Definitive Guide)
Options IncludesNoExec: 3.5. HTTP Response Headers (Apache: The Definitive Guide)
Options Indexes: 3.5. HTTP Response Headers (Apache: The Definitive Guide)
Options MultiViews: 3.5. HTTP Response Headers (Apache: The Definitive Guide)
6.2. Content Negotiation (Apache: The Definitive Guide)
Options SymLinksIfOwnerMatch: 3.5. HTTP Response Headers (Apache: The Definitive Guide)
ScriptAlias and: 16.2.2. Script in DocumentRoot (Apache: The Definitive Guide)
16.2.2. Script in DocumentRoot (Apache: The Definitive Guide)
options to Linux commands: 3. Linux Commands (Linux in a Nutshell)
or command (gawk): 13.8. Alphabetical Summary of Commands (Linux in a Nutshell)
OR logical operator: 3.8. SQL Operators (Managing & Using MySQL)
17.1.4. Logical Operators (Managing & Using MySQL)
performing membership tests: 3.8.3. Membership Tests (Managing & Using MySQL)
OR operator
| (bitwise OR): 2.4.9. Bitwise Operators (Programming PHP)
|= (bitwise OR assignment) operator: 2.4.12.2. Assignment with operation (Programming PHP)
Oracle extensions: B.1. Optional Extensions Listing (Programming PHP)
Oracle SQL: 3.1.1. The SQL Story (Managing & Using MySQL)
Oracle vs. MySQL: 1.4. MySQL Features (Managing & Using MySQL)
ORBit library: 17. GNOME (Linux in a Nutshell)
ord( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
ORD( ) function: 17.2.2. General Functions (Managing & Using MySQL)
ORDBMS (object-relational database management systems): 3.1.1. The SQL Story (Managing & Using MySQL)
ORDER BY clause: 3.7.3.1. Basic ordering (Managing & Using MySQL)
15.2. SQL Commands (Managing & Using MySQL)
ORDER BY RAND( ) clause: 3.7.3.1. Basic ordering (Managing & Using MySQL)
order directive: 5.9. Order, Allow, and Deny (Apache: The Definitive Guide)
10.4.1. Server Status (Apache: The Definitive Guide)
origin (PDF coordinates), changing: 10.3.1. Coordinates (Programming PHP)
Orion application server: 13.1.3.2. Data sources revisited (Managing & Using MySQL)
Orwant, Jon: 9.3. A General Model for Maintainable Perl Programs (Managing & Using MySQL)
os_escape_path( ): A.6.12. Path, Filename, and URL Manipulation Functions (Apache: The Definitive Guide)
OSS/Free: 9.5.2. Audio Under Linux (Running Linux)
OSTYPE environment variable (tcsh): 8.4.6. Environment Variables (Linux in a Nutshell)
our( ) declaration: 6.2.1. The First Mystery: Why Does the Script Go Beyond 5? (Practical mod_perl)
Out of memory! message: 22.3.10. Out of memory! (Practical mod_perl)
out-of-process server: 15.3.1. Background (Programming PHP)
outer joins: 1.4. MySQL Features (Managing & Using MySQL)
3.9.5. Outer Joins (Managing & Using MySQL)
output: 13.3. Handling Output (Programming PHP)
buffering: 13.3.1. Output Buffering (Programming PHP)
in error handlers: 13.4.4.2. Output buffering in error handlers (Programming PHP)
functions for: A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
setting file buffer size: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
changing document references: 13.3.1. Output Buffering (Programming PHP)
with rewrite( ) callback function: 13.3.1. Output Buffering (Programming PHP)
compressing: 13.3.2. Compressing Output (Programming PHP)
cron utility: 8.2. Scheduling Jobs Using cron (Running Linux)
end-of-line handling on Windows: 15.2.7. End-of-Line Handling (Programming PHP)
functions for: A.1. PHP Functions by Category (Programming PHP)
PDF
basic text: 10.2.5. Outputting Basic Text (Programming PHP)
buffering: 10.2.2. Initializing the Document (Programming PHP)
phpinfo( ), checking for installed module: 13.3.1. Output Buffering (Programming PHP)
redirection: 4.9. Saving Your Output (Running Linux)
output filters: 20.9.2. Output Filters (Apache: The Definitive Guide)
output filters, modules: B. Apache Perl Modules (Practical mod_perl)
B.15.1. Apache::OutputChain—Chain Stacked Perl Handlers (Practical mod_perl)
output formatting commands
fmt: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
fold: 3.1. Alphabetical Summary of Commands (Linux in a Nutshell)
output generation, CGI.pm module: 1.1.2. The Common Gateway Interface Specification (Practical mod_perl)
output streams: 4.9. Saving Your Output (Running Linux)
output to shells: 11.7. Apache's Security Precautions (Apache: The Definitive Guide)
overlay_tables( ): A.6.3. Table Functions (Apache: The Definitive Guide)
overline, text in PDF files: 10.3.3. Text Attributes (Programming PHP)
overrides: 5.16. Overrides (Apache: The Definitive Guide)
overriding methods, derived class vs. parent class: 6.4.3. Inheritance (Programming PHP)
overview: 1.4.3. Kernel (Running Linux)
Overwrite mode (Emacs): 9.2.8. Tailoring Emacs (Running Linux)
overwriting files
avoiding: 4.9. Saving Your Output (Running Linux)
recovery: 8.1. Making Backups (Running Linux)
Ovrimos SQL extension: B.1. Optional Extensions Listing (Programming PHP)
owd variable (tcsh): 8.4.3. Predefined Shell Variables (Linux in a Nutshell)
owners (permissions): 4.13.2. Owners and Groups (Running Linux)
changing: 4.14. Changing the Owner, Group,and Permissions (Running Linux)
ownership of binaries, setting up: 2.2.1. Binary (Tarball) Distributions (Managing & Using MySQL)
2.2.3. Source Distributions (Managing & Using MySQL)

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