Tài liệu Exploring Everyday Things with R and Ruby pptx

... buy from any producer, and will buy from the producer who sells at the cheapest price first.The ProducerWe start off our exercise with the producer. The Producer class is a rather simple one, ... demand_supply array with the current market demand and supply. Then we loop through each producer and get her to create and set the price of goods by calling the produce method. This randomly ... generates the price of goods for each producer.After that and before looping through each consumer, we populate the price_demand array with the average price of goods and the market demand....

Exploring Everyday Things with R and Ruby docx

... URI, and the Net packages (HTTP, IMAP, SMTP, and so on).To use the standard libraries and any other libraries other than the Ruby core, you will need to require them in your program:require ... professionals use Safari Books Online as their primary resource for research, problem solving, learning, and certification training.Safari Books Online offers a range of product mixes and pricing ... advantage of the power of computers.However, for programmers and many other people, writing computer programs started with providing tools for businesses and for improving business processes. It’s...

Tài liệu 16.3. Working with Files and Directories pptx

... Working with Files and Directories The previous pages show you how to navigate your directories using Unix commands. Just perusing your directories isn't particularly productive, however. ... the iMovie Projects directory contains other directories and not just files, that command produces an error message. The Unix cp command doesn't copy directories within directories unless ... for the current working directory) to copy files from another directory into the working directory, like this: $ cp ~/Documents/Reviews.doc. (Notice the space and the period after Reviews.doc.)...

Tài liệu Configuring Default Routing with RIP and IGRP pptx

... router rip With RIP removed from each router’s configuration, configure IGRP on all three routers using AS 24, as shown: SanJose1(config)#router igrp 24 SanJose1(config-router)#network ... explore the possibility of migrating all routers to IGRP. As a test, you must configure the three routers in this scenario for IGRP and configure default routing for that protocol as well. Procedures ... configure a default route and use RIP to propagate this default information to other routers. When you have this configuration working, you must migrate the network from RIP to IGRP and configure...

Tài liệu Writing Apache Modules with Perl and C doc

... $VERSION = '1.00'; sub handler ($$) { my($class, $r) = @_; my $next = tied *STDOUT || return SERVER_ERROR; tie *STDOUT, $class, $r, $next or return SERVER_ERROR; $r- >register_cleanup(sub ... code fragment will arrange for the footer() subroutine to be the next content handler invoked: $r- >push_handlers(PerlHandler => \&footer); With this technique, we can rewrite the previous ... "\U$extension\L:-", %arguments); if ($err) { unlink $tmpnam; $r- >log_error($err); return SERVER_ERROR; } close $fh; We now call Image::Magick 's Write() method with the argument 'filename'=>EXTENSION:-...

Tài liệu Website Database Basics With PHP and MySQL ppt

... Printing strings and numbers is easy, but how do you print arrays? (Arrays are sets of things. ) If you try print $myarray; the result will be Array, in other words, PHP informing ... function's argument is the result identifier ($result). Successive calls to mysql_fetch_array will return the next rows of the query. The array variable $row is created and filled with the first row ... convert the array into a string, then print the string. The first argument is the array, the second argument is a delimiter to separate the array elements: $implodedarray = implode ($myarray,...

Tài liệu Module 6: Working with Cubes and Measures docx

... Module 6: Working with Cubes and Measures 19 BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY #### Working with Measures !Defining Measure Properties!Aggregating ... alphabetical order. > are either registered trademarks or trademarks of Microsoft Corporation in the U.S.A. and/ or other countries. <This is where mention of specific, contractually obligated ... Module 6: Working with Cubes and Measures BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY Count—The Number of Measures A new measure created from a string field...

Tài liệu Executing Batch Updates with ADO and SQL Server doc

... column for all the records in the Orders table. This statement is being assigned to the CommandText property of the Command object instead of to the name of a stored procedure. Another important ... & vbCrLf & vbCrLf & rstNew.GetString End Sub For this example recordset, objects were used merely to display the before and after data, as seen in Figure A.6. Figure A.6. Although ... Dim strSQL As String = "Update Orders Set ShippedDate = ShippedDate+1" Dim strDispSQL As String = _ "Select OrderID, ShippedDate From Orders Where OrderID < 10251"...

Tài liệu Building a database with PHP and SQL ppt

...

Tài liệu Web Application Development with Yii and PHP doc

... name=>value pair in the dened array for the url parameter. The code we added for the lter is expecting the querystring parameter to be pid (for project id). Also, since we are using the rst (project ... // perform access control for CRUD operations 'projectContext + create', //check to ensure valid project context );}The filters() method should return an array of lter congurations. ... Create Issue hyperlink opens a URL with a querystring parameter appended at the end:http://localhost/trackstar/index.php ?r= issue/create&pid=1This querystring parameter allows the lter...

332
3,794
0

Xem thêm