Download MySQL (OTHER NEW RIDERS) by Paul DuBois PDF

By Paul DuBois

This e-book has been great precious. i used to be new to improvement with MySQL and one of the three or four MySQL books I acquired, this can be the go-to e-book i take advantage of. it's totally thorough, explains issues truly, and has plenty of concise examples to teach statements in use. hugely suggest it.

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11 Renamed function prototypes. ” Leaving out words such as a, an, and the is a good practice when choosing function names; most of the time such words use up space in the name but don’t make a big difference because they have no explanatory function. Moreover, they should definitely be avoided when choosing variable names; in variable names, it makes absolutely no sense to choose a name such as $a_key or $the_key, since the fact that it’s a key is obvious. It makes more sense to select a name that explains what key; for example, $last_user_key.

4. Correct any errors in the data. 5. Write the data back to the file. 6. Close the file. Each step can be packed into a separate block of code. It’s good style to abstract these blocks and create separate functions out of them. Not only will this enable you to reuse each code block in other functions (you’ll probably need file operation support somewhere else as well), but it will also make the code much easier to read and debug. You can make the abstracted parts bulletproof, equip them with error-handling support, and much more.

Such options might include environmental options such as the site name, file system locations, and so on. Stay on the (Generic) Path When including the configuration file from a subdirectory, always use relative paths to ensure that your project is mobile on your filesystem and on your customers’ systems as well—never rely on special conditions of your developing environment being present in all deployment environments as well. Whatever you can keep generic should be kept generic. The documentation for a project is probably the first part of the project that your customers will see, and the first impression is the one that counts.

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