1593275668 {b082f116} ruby wizardry an introduction to programming for kids weinstein 2014 12 18

... computers can only follow instructions if specified in a language they can understand These are called programming languages There are very many languages that the computer can understand and Small ... Chapter An Introduction Small Basic and Programming Computer Programming is defined as the process of creating computer software using programming languages Just like we speak a...

Ngày tải lên: 17/03/2014, 23:20

... * This is more difficult in Java, which does not provide “Monitor.Enter” and “Monitor.Exit”.  An Introduction to Programming with C# Threads 21 We can now revise “RW” to arrange that only waiting readers wait on the main  “RW”  object,  and  that  ... operations, or using lower‐level primitives such as memory barrier instructions.  An Introduction to Programming with C#...

Ngày tải lên: 07/07/2014, 00:20

... 208 210 212 212 Your ‘ .emacs File 213 16 .1 16.2 16 .3 16 .4 16 .5 16 .6 16 .7 16 .8 16 .9 16 .10 16 .11 16 .12 16 .13 16 .14 17 18 1 18 2 18 3 18 6 18 7 18 8 19 0 19 1 19 2 19 3 19 3 19 4 19 7 ... 13 13 4 13 4 13 5 13 6 13 7 13 8 13 9 14 0 14 1 14 2 14 3 14 3 14 5 14 7 14 9 15 0 15 1 15 3 15 4 15 5 15 6 15 8 15 9 16 0 16 0 16 1 16 1...

Ngày tải lên: 09/08/2014, 12:22

... Lisp interpreter to evaluate an expression and that is how you get your results Even typing plain text involves evaluating an Emacs Lisp function, in this case, one that uses self-insertcommand, ... is OK to switch to a visible buffer In regular use, switch -to- buffer takes you to an invisible window since you would most likely use C-x o (other-window) to go to ano...

Ngày tải lên: 09/08/2014, 12:22

... save-excursion causes Emacs to leave point at the beginning of the text being inserted In most circumstances, users prefer to find point at the beginning of inserted text (Of course, the copy -to- buffer function ... looks like Finally, the last line of the beginning-of-buffer command says to move point to the beginning of the next line if the command is invoked with an argument:...

Ngày tải lên: 09/08/2014, 12:22

... zap -to- char 89 Cutting and Storing Text Whenever you cut or clip text out of a buffer with a ‘kill’ command in GNU Emacs, it is stored in a list and you can bring it back with a ‘yank’ command ... precisely, and requiring more expert knowledge to understand, the two integers are of type Lisp Object’, which can also be a C union instead of an integer type 100 Chapter 8: Cutting an...

Ngày tải lên: 09/08/2014, 12:22

... yank and yankpop functions is: (insert (car kill-ring-yank-pointer)) To begin to understand how yank and yank-pop work, it is first necessary to look at the kill-ring-yank-pointer variable and the ... programs running in a windowing system In the X Windowing system, for example, the x-select-text function takes the string and stores it in memory operated by X You can paste the stri...

Ngày tải lên: 09/08/2014, 12:22

... program.) To create a ‘TAGS’ file, first switch to the directory in which you want to create the file In Emacs you can this with the M-x cd command, or by visiting a file in the directory, or by listing ... loop, the first thing it does is evaluate the (beginning-of-line) expression and move point to the beginning of the line Then there is an inner while loop This while loop is d...

Ngày tải lên: 09/08/2014, 12:22

... beginning-of-defun moves point to the beginning of an enclosing or preceding function definition, or else to the beginning of the buffer We can use beginning-of-defun to place point where we wish to start The while ... 14: Counting Words in a defun We will want our new function, files -in- below-directory, to list the ‘.el’ files in the directory it is told to check, and in a...

Ngày tải lên: 09/08/2014, 12:22

... ‘cc-mode.el’ and lisp- mode.el’ See section “Customizing Key Bindings” in The GNU Emacs Manual, and section “Keymaps” in The GNU Emacs Lisp Reference Manual, for more information about keymaps 16.9 Loading ... will note that instead of typing (number -to- string 21), I decided to save typing and wrote ‘21’ as a string, "21", rather than convert it from an integer to a string...

Ngày tải lên: 09/08/2014, 12:22

... expression and typing C-x C-e Indeed, is printed in the echo area.) Using % in rotate-yank-pointer When the kill-ring-yank-pointer points to the beginning of the kill ring, and the argument passed to ... commands B.1 The rotate-yank-pointer Function The rotate-yank-pointer function changes the element in the kill ring to which kill-ring-yank-pointer points For example, it can chan...

Ngày tải lên: 09/08/2014, 12:22

... development then comes down to writing the software and debugging the errors Those embarking on a PIC based design have to create all the interfaces to the outside world in the form of input and output ... used to store the program and data An oscillator is required to drive the microprocessor Its function is to clock data and instructions into the CPU, compu...

Ngày tải lên: 08/03/2016, 11:20