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She dove into the water headfirst.​ These example sentences are selected automatically from various online news sources to reflect current usage of the word 'headfirst.​ ' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors.
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You're wondering what this Ruby language is all about, and if it's right for you.


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Let us ask you this: Do you like being productive? Do you feel like all those extra compilers and libraries and class files and keystrokes in your other language bring you closer to a finished product, admiring coworkers, and happy customers? Would you like a language that takes care of the details for you? If you sometimes wish you could stop maintaining boilerplate code and get to work on your problem, then Ruby is for you. Ruby lets you get more done with less code.

But the only methods you could call, and the only kinds of objects you could create, were the ones that Ruby defined for you. And the copies are starting to fall out of sync—some are fine, while others have bugs.


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Fewer copies means fewer maintenance headaches! Every instance you create starts out as a clean slate. If you call certain instance methods before adding data, an error will be raised that will bring your whole program to a screeching halt. A whole lot of programming deals with lists of things.

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Lists of addresses. Lists of phone numbers.

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Lists of products. Matz, the creator of Ruby, knew this. So he worked really hard to make sure that working with lists in Ruby is really easy. First, he ensured that arrays , which keep track of lists in Ruby, have lots of powerful methods to do almost anything you might need with a list.

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Second, he realized that writing code to loop over a list to do something with each item, although tedious, is something developers were doing a lot. So he added blocks to the language, and removed the need for all that looping code. What is a block, exactly? Please tell us where you read or heard it including the quote, if possible.

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Headfirst dictionary definition | headfirst defined

The active ingredient is knowledge. How to remember which is which Literally How to use a word that literally drives some people nuts. Is Singular 'They' a Better Choice? The awkward case of 'his or her' Word Games Liar, Liar Quiz Test your knowledge of words for lies, liars, and those being lied to. In other words, everyone. Winter has returned along with cold weather. Wrap yourself in a blanket and challenge yourself with our question quiz about words relating to winter. Can you spell these 10 commonly misspelled words?

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View British English definition of head first. Change your default dictionary to British English. View the pronunciation for head first. Show more. Show less. Using the thesaurus.