irb

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Simple IRB Question regarding Count

I have a class called Deal. Deal has vote_scores. I would like to see how many vote_scores are in Deal that are greater than 2.[详细]

2022-12-30 17:46 分类：问答
How do I start IRB console from a rake task?

I\'m trying to write a rake task that will set up an environment mirroring my project. task :environment do[详细]

2022-12-27 11:59 分类：问答
IRb: how to start an interactive ruby session with pre-loaded classes

As I am going through my journey by adopting the Ruby language, I spend a lot of time inside IRb. It\'s just fantastic! But, as I am not very aware of it\'s capabilities, and still a “nubby” with Ru[详细]

2022-12-26 21:23 分类：问答
active record helpers defined in ~/.irbrc

I\'m really tired of typing my_ar_object.errors.full_messages in my console when i\'m testing things...[详细]

2022-12-25 05:27 分类：问答
Beginners PHP / mySQL question

I\'m brand new to PHP & MySQL, and one function I\'m creating needs to access a large table or database. I\'ve created the database and it\'s currently in a MySQL table, which I\'m accessing with[详细]

2022-12-23 13:10 分类：问答
how to create triangular button in c#

How to cre开发者_JS百科ate Custom shaped buttons in c#: say triangularYou could use a pictureBox as a button.Easiest way is to set a tringular image on the button, with transparent areas outside the t[详细]

2022-12-22 07:07 分类：问答
irb history not working

in ~/.irbrc i have these lines: require \'irb/ext/save-history\' #History configuration IRB.conf[:SAVE_HISTORY] = 100[详细]

2022-12-17 12:09 分类：问答
Grouping fields that partially match in MySQL

I\'m trying to return duplicate records in a user table where the fields only partially match, and the matchi开发者_开发技巧ng field contents are arbitrary. I\'m not sure if I\'m explaining it well, s[详细]

2022-12-17 07:51 分类：问答
Choosing one of two files to include in PHP

I do apologize for asking this stupid question but I am wondering if you can help me.. i want insert among file $cat1 or $cat2 to in page.php...[详细]

2022-12-16 23:42 分类：问答
How to get the current working directory's absolute path in Ruby?

I\'m running Ruby on Windows though I don\'t know if that should make a difference.All I want to do is get the current working directory\'s absolute path.I开发者_运维百科s this possible from irb?Appar[详细]

2022-12-14 23:41 分类：问答