learn to program, the pragmatic programers (2005)
learn to program, the pragmatic programers (2005)
... discovered crayonsand Photoshop), so people didn’t thi nk of them as folders. They calledthem directories. So they didn’t move from folder to folder; they changeddirectories. But if you actually ... are: your home directory. If you want to change to a different directory, you use cd. (No one w ants to type change-directory, not even once. I mean, I had to just then, to make a point,but ... and then hang on to it store it somewhere. Well, we can, of course—it would have beeninsensitive to bring it up otherwise. To store the string in your computer’s memory for use later in yourprogram,...
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agile web development with rails, the pragmatic programers (1st, 2005)
... catalog page, and the user has just clicked the Add To Cartbutton next to one of the products. This button links back to our appli-cation using the URLhttp://my.url/store/add _to_ cart/123, where ... asks the model to find the information for product 123. It then tells the shopping cart to add that product to itself. (See how the model is beingused to keep track of all the business data; the ... it what to do, and the model knows how to do it.)Now that the cart includes the new product, we can show it to the user. The controller arranges things so that the view has access to the cart...
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John smiley learn to program with c++ 2003
... of the userinterface, observe the behavior of the interface, and then add code to fill in the gaps. That’s not the problem, they tell me. The problem is that they don’t know how to gather the ... me that they just didn’tknow where to start when they began to work on their programming assignments. They wouldstart to program the application, then stop. Some of them would find themselves ... that the God who made us allwill someday permit us to be together again.xiv Learn to Program with C++LearnTo / Learn to Program with C++ / Smiley / 222535-1 / Front MatterP:\010Comp\LearnTo\535-1\FM.vpTuesday,...
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Learn to Program (2nd edition) potx
... bread and the jelly on the other one.4. Put the peanut butter and jelly away, and take care of the knife.5. Put the slices together, put the sandwich on a plate, and bring it to me. Thanks!I imagine ... explanation. Step 3 says to spread the peanutbutter on one slice of bread. It doesn’t say to spread it on only one sideof the bread or to use the knife to do the spreading (as opposed to, say,your forehead). ... discov-ered crayons and Photoshop), so people didn’t think of them as fold-ers. They called them directories. So, they didn’t “move from folder to folder.” They “changed directories.” But if you actually...
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So You Want to Learn to Program? potx
... from the menu bar then selecting “Run” from the drop down menu. To clear out the program you are working on and completely start a new program we use the “New” button on the tool bar. The new ... using the say statement and the + (concatenate) operator. Join strings and numbers together with other strings and numbers. The text output area - The print statement:Programs that use the Text ... 6“New” on the tool bar - or - “File” then “New” on the menu The “New” command tells BASIC-256 that you want to clear the current statements from the program area and start a totally new program....
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advanced rails recipes, the pragmatic programers (2008)
... together: you, the reader,and the contributor of the recipe (“Let’s build an ark, shall we?”). Then,when the contributor of the recipe needs to relay something about theirexperience, look for ... use the events_path method to just get the path part of t he UR L, often referred to as the URI.)Notice that the same incoming URL path is mapped to our create action. The only difference is the ... 16for example, to generat e a URL to show our event. Passing @event to the route helper wil l automatically fill in the :i d route parameter with the ID of the event.So, in a nutshell, the map.resources...
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agile web development with rails, the pragmatic programers (2nd, 2007)
... product catalog page and the user hasjust clicked the Add To Cart button next to one of the products. This buttonlinks to http://my.url/store/add _to_ cart/123, where add _to_ cart is an action in ... takes the first part of the path,store, as the name of the controller and the second part,add _to_ cart, as the name of anaction. The last part of the path,123, is by convention extra cted into ... product to itself. ( See how the model is being used to keeptrack of all the business data; the controller tells it what to do, and the modelknows how to do it.)Now that the cart includes the...
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deploying rails applications, the pragmatic programers (2008)
... pieces will include the operating system, the Ruby language, the Rails framework, and the various pieces that will tie them together. The host represents whereyour customers will go to find your application. ... strategy will have to install your application into each Rails envi-ronment. You will n eed to configure the pieces to w ork together. Andthat’s the subject of this book.In the first few chapters, ... you’ll learn to use the baseRuby tools, and a few others, to understand just what your envi-ronment can handle. You’ll also learn a few techniques to breakthrough any bottlenecks you do find. The...
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enterprise integration with ruby, the pragmatic programers (2006)
... could happily move to the next project. But wouldn’tit be i nteresting to know how many customers actually convert theircoupon? To do this, we have to store at least the customer ids of allcoupon ... followed by the house number. InItaly, there’s a comma between the street name and the housenumber. Other countries put the number before the name.It’s nearly impossible to automatically separate ... Hochstetler THE COUPON APPLICATION 23set its autocommit f eature to true. We also defer closing the connectionuntil the end of the program, as it’s needed during the whole runtime. The Fruits...
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everyday scripting with ruby, the pragmatic programers (2006)
... to irb. It’s easier to switch back to the editor, correct the mistake, and repaste it than it is to fool around with the arrow keys.On the Mac and other Unix-like systems, the cut, copy, and ... bet you came to this book hoping to learn how to automate test execution: how to push inputs at a program(probably through the user interface), collect the results, andcompare what the program ... the current prompt. Youcan then use the Back Arrow and Forward Arrow keys to move aroundin the line.It’s often convenient to edit complicated text in an editor and then copyand paste it to...
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