... horrible
support. Asterisk solves the first two problems; entrepreneurs and the community
are addressing the latter.
The Asterisk Community
One of the compelling strengths of Asterisk is the passionate ... with each other, in theAsterisk community they delight in
each others’ skills. The significance of this cooperation cannot be underestimated.
If the dream of Asterisk is to be realized, the community ... community, led by the fine folks at Digium, is keenly aware of the
cultural significance of Asterisk and has an optimistic view of the future.
One of the more powerful side effects of theAsterisk community’s...
... Documentation lowers the barrier to entry and
helps people contemplate the possibilities.
Produced with the generous support of O’Reilly Media, Asterisk: The Definitive
Guide is the third edition of what ... service or
product, post here.
Asterisk- Dev
The Asterisk developers hang out here. The purpose of this list is the discussion of
the development of the software that is Asterisk, and its participants ... exist) is create the /etc/
asterisk/ directory where our configuration files will live:
$ sudo mkdir /etc /asterisk/
$ sudo chown asteriskpbx:asteriskpbx /etc /asterisk/
#If your /etc /asterisk/
folder...
... are those of the authors, not the
Internet Service Provider.
HTML & XHTML: TheDefinitive Guide
p
age 53
4.4.2 The <acronym> Tag
The <acronym> tag indicates that the enclosed ...
them as footnotes or as a separate document entirely. The semantics of the <cite> tag go far beyond changing the
appearance of the enclosed text; they enable the browser to present the ... but the practice is tricky; you cannot always predict how other browsers
will react to nested comments.
HTML & XHTML: TheDefinitive Guide
p
age 5
5
The special HTML reference for the...
... 4
Asterisk: The Professional’s PBX 5
The Asterisk Community 5
The Asterisk Mailing Lists 6
Asterisk Wiki Sites 7
The IRC Channels 7
Asterisk User Groups 7
The Asterisk Documentation Project 8
The Business ... Documentation lowers the barrier to entry and
helps people contemplate the possibilities.
Produced with the generous support of O’Reilly Media, Asterisk: The Definitive
Guide is the third edition of what ... Contents
Project (http://www.asteriskdocs.org), with the goal of writing an Asterisk book for the
community. That project became the basis of the first edition of this book, Asterisk:
The Future of Telephony.
Nine...
... talk to each other over networks. The two protocols that give the suite its
name are among the most important, but there are many others, and we shall meet some
of them later. These protocols ... Whatever the name of the module, the
LoadModule directive requires
the exact filename.
2.6.2.1 LoadFile
The LoadFile directive links in the named object files or libraries when the server ... required by the protocol, by convention there is a dividing line somewhere
inside this number: to the left is the network number and to the right, the host number.
Two machines on the same physical...
... reset the form or send its contents to the server. Users fill out the form at their
leisure, perhaps after reading the rest of the document, and click a special send button that makes the browser
send ... Header
The document header describes the various properties of the document, including its title, position within the
Web, and relationship with other documents. Most of the data contained within the ... to the user.
3.7.1 The <head> Tag
The <head> tag serves to encapsulate other header tags. Place it at the beginning of your document, just after
the
<html> tag and before the...
... into the overall struc-
ture of the document. Every element in the document is either the parent or the child
of another element, and it’s often both.
An element is said to be the parent of another ... parent to another
em element. Conversely, an element is the
child of another element if it is directly beneath the other element. Thus, the anchor
element in Figure 2-14 is a child of the
strong ... {font-weight: bold;}
Note the presence of the tilde (~) in the selector. It is the key to selection based on
the presence of a space-separated word within the attribute’s value. If you omit the
tilde, you...
... look at the
details of this model in later chapters, but the important point for the present discussion
is that there are two parts to the computation, the map and the reduce, and it’s the
interface ... data together and having the tools to analyze
it, the Rackspace engineers were able to gain an understanding of the data that they
otherwise would never have had, and, furthermore, they were ... the output types
for the map and the reduce functions, which are often the same, as they are in our case.
If they are different, then the map output types can be set using the methods
setMapOutputKeyClass()...
... chapters, but the important point for the present discussion
is that there are two parts to the computation, the map and the reduce, and it’s the
interface between the two where the “mixing” occurs. ... record of the highest found so far.
The third piece of code runs the MapReduce job (see Example 2-5).
Analyzing the Data with Hadoop | 23
www.it-ebooks.info
Hadoop: TheDefinitive Guide, Third Edition
by ... is the realm of the RDBMS. Semi-structured
data, on the other hand, is looser, and though there may be a schema, it is often ignored,
so it may be used only as a guide to the structure of the...
... rooted in developments of the early to mid-1990s. The alphabet soup of the first edition was
gruel compared to the mulligatawny of 2005.
Matthew filled the gap between the book and contemporary ... introduces the acronyms used
throughout the book. With 802.11, the introduction serves another important purpose. 802.11 is
superficially similar to Ethernet. Understanding the background of Ethernet ... transmission. (Among many, many other items, you have him to thank for the
footnote on the gain of the Aricebo radio telescope!)
As with so much in life, the devil of writing is in the details. Getting it...
... provider to the service clients. When clients use
a service on the service bus, the service bus has the ability to perform multiple operations: it
can transform the data or the schema of the messages ... select the Java ➤ Build Path ➤ User Libraries path in
the tree. Click the Add button and specify the name of the library. Your first library will be designed
for web service test clients, so name the ... Click the Next button.
5. Select Development Mode and the BEA-supplied JDK radio buttons. Select the Sun SDK
from the associated list box. The JDK must be version 1.5.0 or later. Click the Next...
... see if the value of the variable a is equal to the number 4. If it is, the
s the boolean value true. If a is not equal to 4, the result of the
else
if equals . If so, it adds to ; otherwise, ... fun exploring!
a
v
w
G
What's New in the Fourth Edition
This edition of JavaScript: TheDefinitiveGuide has been thoroughly updated in light of
the changes I just described. Major new features ... compute the sine of the numeric value
x:
In addition to these basic arithmetic operations, JavaScript supports more complex
mathematical operations through a large number of mathe
part of the language....