head first java programming phần 6 pot

... 214 Chapter 6 programming toolbox CHAPTER 6 Your Programming Toolbox You’ve got Chapter 6 under your belt. Let’s look back at what you’ve learned in this chapter: Programming Tools * ... discount. you are here 4 199 modular programming The transaction file is working great, too coffee_pos.py 000350 064 32425412474321 WORKOUT 0000150 764 9 463 8 564 243 26 DONUT The descripti...

Ngày tải lên: 12/08/2014, 19:20

... two) Multi-dimensional array 1 86 Chapter 6 real-world format strings Head First: Format String, it’s a pleasure to meet you. Format String: The pleasure is all mine. Head First: You’re not just used ... see what sort of data you will need to generate: 62 18 967 25740 561 80000220 LATTE 75 362 847324839070000120 TEA 9334337 468 4577850000150 DONUT 4 265 7423454758780000095 GRAIN B...

Ngày tải lên: 12/08/2014, 19:20

... time travelling with his lovely wife—and fellow Head First author—Dawn. Before writing Head First Programming, he wrote another book called Head First Rails, which is an excellent read and would ... other Head First books “Kathy and Bert’s Head First Java transforms the printed page into the closest thing to a GUI you’ve ever seen. In a wry, hip manner, the authors m...

Ngày tải lên: 12/08/2014, 19:20

... 2 string theory Head First: String, it’s so good of you to find the time to speak to us. String: Please, the honor is mine. Sit. Sit. Make yourself at home. Did you eat yet? Head First: I’m fine, ... record text one character at a time. Head First: That must have been rather inconvenient. String: Inconvenient? It was a royal pain in the tuchis. Head First: Quite. String: With...

Ngày tải lên: 12/08/2014, 19:20

... TypeError might be. Why do you think the code crashed? you are here 4 69 textual data You’re already using library code Look at the first line of the original code: import urllib.request page = urllib.request.urlopen("http:// ... it will also need to replace the existing price-watch code. Is there a problem? Why? Why not? 66 Chapter 2 traffic jam From: The Department of Webland S...

Ngày tải lên: 12/08/2014, 19:20

... Sorting sounds tricky is there a “best” way? 8 .65 9.12 8.45 7.81 8.05 7.21 8.31 9.12 8 .65 8.45 8.31 8.05 7.81 7.21 highest _score 9.12 second_ highest 8 .65 third_ highest 8.45 The unsorted data An ... number. The results file. Johnny 8 .65 Juan 9.12 Joseph 8.45 Stacey 7.81 Aideen 8.05 Zack 7.21 Aaron 8.31 The results in the file look like this. Name Score Johnny 8 .65 Juan 9.12 Jo...

Ngày tải lên: 12/08/2014, 19:20

... was intended for the Head- Ex depot in Cambridge, MA, or the Head- Ex depot in Cambridge, England. You need some way to prevent users from entering ambiguous data in the depot field. Think about ... the depot Entry field in the Head- Ex program with a set of radio buttons, you prevent users from entering ambiguous depot names. That way, they will be able to choose one, and only one,...

Ngày tải lên: 12/08/2014, 19:20

... 291 guis and data HEAD- EX HEAD- EX Things are going great at Head- Ex The GUI system is easy to use, and by restricting the depots with an option menu, the quality of the entered data is spot on. This ... the same. Depot: Save The user could select a depot from an option menu. 280 Chapter 8 depot buttons Pool Puzzle Solution This is the section of the program that creates the depot r...

Ngày tải lên: 12/08/2014, 19:20

... here? 348 Chapter 9 programming toolbox CHAPTER 9 Your Programming Toolbox You’ve got Chapter 9 under your belt. Let’s look back at what you’ve learned in this chapter: Programming Tools * ... not legal? Jim: Well it depends on the programming language. Joe: Don’t tell me this is something that only works with Python?!? Jim: No there are lots of programming languages that allow yo...

Ngày tải lên: 12/08/2014, 19:20

... widget, 3 36 338, 340–345, 348 Text() widget, 261 , 263 , 266 – 267 , 269 , 292 data storage, 129–130 data structures, 131, 150. (see also arrays; hashes) list of, 152 returning from functions, 164 – 167 database, ... index D data entry widgets Checkbutton() widget, 331–335, 348 Entry() widget, 261 – 262 , 266 – 267 , 269 , 292 model for, 2 76 278, 285, 292 OptionMenu() widget, 284–290, 292...

Ngày tải lên: 12/08/2014, 19:20