chapter 17  using perl with mysql

... you are using Apache 1.3.x and mod _perl 1.22 or greater In addition, your mod _perl should have been compiled with PERL_ METHOD_HANDLERS=1 and PERL_ TABLE_API=1, or with EVERYTHING=1 We expect Mason ... mod _perl, we need to set up a few Mason configuration variables and then tell mod _perl to use Mason as a PerlContentHandler Here is the simplest possible configuration: SetHandler perl- script PerlHandler ... /mason> PerlSetVar MasonCompRoot /path/to/doc/root/mason SetHandler perl- script PerlHandler HTML::Mason::ApacheHandler This tells Apache that only requests that have a path starting with...

Ngày tải lên: 14/12/2013, 12:15

... System It was ported to Perl soon afterwards; Nick Ing-Simmons did most of the work to make it functional as a module with Perl You can get Tk from any CPAN archive (http://www .perl. com/CPAN/) The ... and your window will then go away Line tells the shell to invoke Perl to interpret the rest of the file, and Line then tells Perl that we need to use the Tk module Line tells the system that ... kicks off the event handler for the graphical interface The most important concept to understand with Perl/ Tk is that the program won't a single thing until it hits the MainLoop statement You won't...

Ngày tải lên: 07/11/2013, 09:15

... want to be able to stop it from looping at any point Here's how we accomplish this with Perl/ Tk: #!/usr/bin /perl -w use strict; use HTML::FormatText; use HTML::Parse; use Tk; my $query_interval ... to call our function, do_search( ), with the URL we extracted from the HTML tag Then we insert the text for the link into the text widget, and associate it with the tag we just built Figure 7-2 ... every few minutes For this example, we'll interact with the Federal Express tracking page When you ship a package via FedEx, they keep track of it with a shipping number (also called an airbill number)...

Ngày tải lên: 07/11/2013, 09:15

... letter, it would scroll to the first entry starting with that letter Or you could put an additional entry, and search for any word starting with those characters: my $response_f = $mw->Frame; ... today for the date field The FedEx web page expects it in the form of "DayMonthYear", and digits with only one number require a leading zero The string returned from localtime( ) gives us the correct ... The loop_query( ) subroutine gets called when the Loop button is pressed We query the web site with the information entered, then set up Tk to loop again in $query_interval minutes To let the...

Ngày tải lên: 07/11/2013, 09:15

... automatically the next time we start the program Here's the final code, with most of the mentioned features represented: #!/usr/bin /perl -w ################################################### #################### ... command-line options ourselves As you can see from our usage statement, we've got quite a few to deal with Automode is the term we use when the program loops and checks each web site every n minutes ... exactly as it did the last time we ran it except that the program will have updated the list of sites with the current status $entry->focus; &do_automode if ($auto_mode); MainLoop; Off it goes! Now...

Ngày tải lên: 14/12/2013, 13:15

... mod _perl 565 New mod _perl 2.0 Features Configuring mod _perl mod _perl Configuration Directives 566 566 569 Sections PerlModule PerlLoadModule SetHandler perl- script SetHandler modperl PerlSetEnv ... interface with memcached from within MySQL You will see how you can use these convenient functions with MySQL: ❑ From within your Perl code ❑ With triggers www.it-ebooks.info Chapter 1: LAMMP, Now with ... More mod _perl mod _perl Handlers or ModPerl::Registry? Using ModPerl::RegistryLoader Converting a ModPerl::Registry Script to a mod _perl Handler Converting a mod _perl Handler to a ModPerl::Registry...

Ngày tải lên: 15/03/2014, 17:20

... subsequent discharge operation of the battery with the consequence of premature depletion Valve-regulated batteries are constructed with flat plates Also batteries with tubular plates for stationary and ... plates, the separator must not be saturated with liquid With this technology, too, the initial capacity is significant below the capacity of vented batteries Without additional measures, the initial ... leadacid batteries during charging with constant voltage (Ford Test) The self-discharge, too, is influenced by antimony, because this is a reaction of the negative mass with the sulfuric acid of the...

Ngày tải lên: 05/07/2014, 07:20

... associated with an event Chapter 17 Slide Moral Hazard  Determining the Premium for Fire Insurance  Warehouse  Probability worth $100,000 of a fire:  005 with a $50 fire prevention program  01 without ... QH 50,000 75,000 QL Quality Uncertainty and the Market for Lemons  The Market for Used Cars  With asymmetric information:  Low quality goods drive high quality goods out of the market  The ... signals to convey information to buyers about the product’s quality helps buyers and sellers deal with asymmetric information Chapter 17 Slide Market Signaling  Strong Signal  To be effective,...

Ngày tải lên: 26/09/2015, 15:08

... devices described in this book are just mechanical curiosities, but when integrated by creative minds with others, they can perform new and different functions One need only consider the role of basic ... Meanwhile, scientists are studying the feasibility of microminiature, self-propelled capsules made with even smaller-scale nanotechnology that could navigate through the human body and seek out,...

Ngày tải lên: 22/10/2012, 14:27

... interact with JavaScript only through the API provided by the JSObject class Because Java is a strongly typed language, the methods defined by this class can work only with Java objects, not with ... applet interacts with JavaScript, special instructions are required for both of these steps 22.2.2.1 Compiling applets that use the JSObject class Any applet that interacts with JavaScript uses ... like this: set CLASSPATH=.;C:\Windows\Java\Packages\5fpnnz7t.zip With CLASSPATH set, you should be able to compile your applet with javac as you would normally 22.2.2.2 The mayscript attribute...

Ngày tải lên: 05/10/2013, 13:20

... they will it much faster Their use is much simpler, too Perl uses tie( ) to interact with DBM databases, and you work with these files as with normal hash data structures When you want to store ... : is used to separate the various fields Working with flat-file databases is easy and straightforward in plain Perl There are no special mod _perl tricks involved Filesystem Databases Many people ... 12:44 PM mod _perl greatly helps work with relational databases, mainly because it allows persistent database connections We’ll talk extensively about relational databases and mod _perl in Chapter...

Ngày tải lên: 17/10/2013, 19:15

... of her two friends, and the attentions of her brother; and Elizabeth thought with pleasure of dancing a great deal with Mr Wickham, and of seeing a confirmation of everything in Mr Darcy’s look ... perforce delayed a little longer, and Mr Collins’s proposal accepted with as good a grace as she could She was not the better pleased with his gallantry from the idea it suggested of something more ... friend again, called it an age since they had met, and repeatedly asked what she had been doing with herself since their separation To the rest of the family they paid little attention; avoiding...

Ngày tải lên: 17/10/2013, 22:15

... and go back, carrying her pot of porter with her, for her private solace, in her own gloomy, upper haunt Only one hour in the twenty-four did she pass with her fellow-servants below; all the ... from their chambers I could not proceed to the schoolroom without passing some of their doors, and running the risk of being surprised with my cargo of victualage; so I stood still at this end, ... already made so protracted a stay at Thornfield." It was with some trepidation that I perceived the hour approach when I was to repair with my charge to the drawing-room Adele had been in a state...

Ngày tải lên: 24/10/2013, 20:15

... without looking at me I compared him with his guests What was the gallant grace of the Lynns, the languid elegance of Lord Ingram, even the military distinction of Colonel Dent, contrasted with ... possession of an ottoman at the feet of Louisa: Adele shares it with him: he is trying to talk French with her, and Louisa laughs at his blunders With whom will Blanche Ingram pair? She is standing alone ... sang: her voice was fine; she talked French apart to her mamma; and she talked it well, with fluency and with a good accent Mary had a milder and more open countenance than Blanche; softer features...

Ngày tải lên: 24/10/2013, 20:15

... you just created The constants you defined within those functions (pattern within matchFunction, and search and replace within applyFunction) stay with those functions, even after you return ... This technique of using the values of outside parameters within a dynamic function is called closures You're essentially defining constants within the apply function you're building: it takes one ... What are you doing? You're replacing the end of string with es In other words, adding es to the string You could accomplish the same thing with string concatenation, for example noun + 'es', but...

Ngày tải lên: 28/10/2013, 16:15

... The McGraw-Hill Companies, Inc All rights reserved Designing the Process Process design begins with analyzing the general operation and identifying: Every major step that needs to be done The ... Flexible Manufacturing Flexible manufacturing – techniques that help reduce the setup costs associated with the production system computer aided design, engineering, and manufacturing tools make the ... want and what they actually get from the company Suppliers and TQM Suppliers are seen as partners with the firm TQM and the Production Process Operations management uses TQM techniques to focus...

Ngày tải lên: 04/11/2013, 19:15

... that you'll want to access Most window managers install with a default set of common programs that can be accessed by left- or rightclicking with the mouse on the desktop Most window managers, for ... compliant with GNOME desktop SCWM A window manager that has a powerful configuration language, based on the Scheme dialect of LISP WindowMaker Resembles the user interface of NEXTStep Compatible with ... compliant with the GNOME desktop; users who plan to use GNOME may prefer to choose a different window manager 6.3.2 Enlightenment Enlightenment is the window manager most often used with the GNOME...

Ngày tải lên: 07/11/2013, 10:15

... Mr Bumble stopped not to converse with the small shopkeepers and others who spoke to him, deferentially, as he passed along He merely returned their salutations with a wave of his hand, and relaxed ... paupers might have chorussed the rejoinder with great propriety, if they had heard it ’A porochial life, ma’am,’ continued Mr Bumble, striking the table with his cane, ‘is a life of worrit, and ... meekly raised his eyes, and encountered those of Mr Bumble ’What’s the matter with you, porochial Dick?’ inquired Mr Bumble, with well-timed jocularity ’Nothing, sir,’ replied the child faintly ’I...

Ngày tải lên: 07/11/2013, 18:15

... Chemistry, Julia Burdge, 2nd e., McGraw Hill Energy Tax • you can’t break even! • to recharge a battery with 100 kJ of • useful energy will require more than 100 kJ every energy transition results in ... to go • spontaneity is determined by comparing the free energy of the system before the reaction with the free energy of the system after reaction if the system after reaction has less free energy ... give State C Therefore State C has higher entropy than either State A or State B The macrostate with the highest entropy also has the greatest dispersal of energy Tro, Chemistry: A Molecular Approach...

Ngày tải lên: 28/11/2013, 01:12