... xxviPrefaceThis book is the second ed ition of the PickA xe, as ProgrammingRuby is known toRubyists. It is a tutorial and reference for theRubyprogramming language. If you have the first edition, you’ll ... and fun. The first edition of ProgrammingRuby was su c h a book; the second edition is evenbetter.”James Britt, Administrato r,http:/ /ruby- doc.org The best reaso n to learn a new programming ... using irb, you’d see the values we show in the book.)Here, the thing before the p eriod is called the receiver, and the name after the period is the method to be invoked. The first example asks...
... Chapter 5. The story is different for arrays. When the name of an array is used as an argument, the valuepassed to the function is the location or address of the beginning of the array - there is ... or equal to upper), the body of the loop (the three statements enclosed in braces) isexecuted. Then the condition is re-tested, and if true, the body is executed again. When the testbecomes false ... consistently. Most of the work gets done in the body of the loop. The Celsius temperature is computed andassigned to the variable celsius by the statement celsius = 5 * (fahr-32) / 9; The reason for...
... install the SDK, downloadthe SDK package that corresponds to your system fromhttp://developer.android.com/sdk/index.html. The download is an archive. Open the archive and extract the folder at the ... it part of the Eclipse plug-in,and therefore the contents of the SDK folder are not updated by the OS or Eclipse. The SDK has its own update mechanism, which has a user interface in the SDK and ... to install the SDK. The Android SDK is a collection of files: libraries,executables, scripts, documentation, and tools. Installing the SDK means downloading the correct version of the SDK for...
... -4.When the 5th thread signals the barrier, one of the waiting threads is allowedto proceed, and the semaphore is incremented to -3.But then no one signals the semaphore again and none of the other ... decrements the semaphore, if the result is negative, the thread blocks itself and cannot continue until another thread increments the semaphore.3. When a thread increments the semaphore, if there ... threads, then the processor can work on one for a while, thenswitch to another, and so on.In general the programmer has no control over when each thread runs; the operating system (specifically, the...
... On the other hand, it works in the other direction, too: Web programmers are often delighted to discover thatthey can take their scripts from a Windows machine and run them unchanged on their ... but there's still only one reference from the variable to the value). There may be other hardreferences to the same thingy, but if so, the variable doesn't know (or care) about them. ... namedAUTOLOAD in the undefined subroutine's package (or in the case of an object method, in the packageof any of the object's base classes), then the AUTOLOAD subroutine is called with the same...
... Programming C#, 2nd Edition Jesse Liberty Publisher: O'Reilly Second Edition February 2002 ISBN: 0-596-00309-9, 648 pages The first part of Programming C#, 2ndEdition ... and then invokes either expression1 if the value returned from the conditional expression is true, or expression2 if the value returned is false. The logic is "if this is true, do the ... a chemistry experiment. Your program Programming C#, 2ndEdition 5 provide a series of markers along the way (see the notes to Java programmers within the chapters). C# Versus C++ While...
... past the end of the lines list. Try this on your own machine to see what the rest of the module's documentation string looks like. 2.3.7 Python Library Manuals Programming Python, 2nd Edition, ... it's always the implicit place where files processed by the script are assumed to reside, unless their names have absolute directory paths. As Programming Python, 2nd Edition, O’Reilly ... speed. There are simply more projects than programmers to staff them. As a language optimized for developer productivity, Python seems to be the right answer to the questions being asked by the...
... trademark claim, the designations have been printed ininitial capital letters or in all capitals. ThePragmatic Starter Kit, ThePragmatic Programmer, Pragmatic Programming, Pragmatic Bookshelf, ... at the return value, #'user/hello. The prefix #' indicates that the functionwas stored in a Clojure var, and user is the namespace of the function. (The user namespace is the ... clojuremvn package The sample code is regularly updated to match the current development head ofClojure. Check the README file in the sample code to see the revision numbers that the samples were...
... in the right place at the right time and you have the right equipment. These broadcasts flow on regardless of whether you or anyoneelse is listening, and they occur on their own time, in their ... amongothers. Though these are all potentially interesting areas for artists and designers, the focus of the book is on teaching some of the theory and techniques for interactiondesign as well as the ... hardware and programming. The resources listed at the end of the book can provide the names of some materials that might help you explorethese topics.Conventions Used in This Book The following...
... and other objects, held by the Shubert Foundation at the Lyceum Theatre in New York City. The bulk of the collection focuses on the rst four decades of the Shubert brothers’ careers. The earliest ... source—one noted in the docu-ment and referred to in the bibliography—to determine the authenticity of the article. Another step is to critically review the material and see if the evidence presented ... able? Is there a bibliography? Documentation adds to the authenticity of the material, and also makes the author’s claim credible.It’s important, then, to examine every statement made by the author...
... } The problem occurs if the file is created by another proces s between the o pe n and the cr ea t . If the file is created by another proces s between these two functioncalls, and if that other ... during the late 1980s.These include the A NSI standard for the C programming language, the IEEE PO SIX family (still being developed), and the X/Open portability guide. This book also describes these ... B'scurrent file offset for the file to 1,600. Bec ause the file's size has been extended, the kernel also updates the current file size in the v-node to 1,600. T hen the kernel switches processes...
... look at the details of this model in later chapters, but the important point for the present discussionis 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 analyzeit, the Rackspace engineers were able to gain an understanding of the data that theyotherwise would never have had, and, furthermore, they were ... the output typesfor 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 methodssetMapOutputKeyClass()...