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Squash my last X commits together using Git
How can I squash my last X commits together into one commit using Git?
35 Answers
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How to split one string into multiple strings separated by at least one space in bash shell?
I have a string containing many words with at least one space between each two. How can I split the string into individual words so I can loop through them?
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Java HashMap performance optimization / alternative
I want to create a large HashMap but the put() performance is not good enough. Any ideas?
25 Answers
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SQL Server principal “dbo” does not exist,
I am getting the following error
11 Answers
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Rails Observer Alternatives for 4.0
With Observers officially removed from Rails 4.0 , I'm curious what other developers are using in their place. (Other than using the extracted gem.) While Observers were certainly abused and could easily become unwieldily at times, there were many use-cases outside of just cache-clearing where they...
Should CSS always preceed Javascript?
In countless places online I have seen the recommendation to include CSS prior to JavaScript. The reasoning is generally, of this form :
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Block comments in html.erb templates in rails
How do you comment out html mixed with ruby code?
16 Answers
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In Windows cmd, how do I prompt for user input and use the result in another command?
I have a Windows .bat file which I would like to accept user input and then use the results of that input as part of the call to additional commands.
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What are some (concrete) use-cases for metaclasses?
I have a friend who likes to use metaclasses, and regularly offers them as a solution.
19 Answers
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Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
In multiple courses, books, and jobs, I have seen text fields defined as VARCHAR(255) as kind of the default for "shortish" text. Is there any good reason that a length of 255 is chosen so often, other than being a nice round number ? Is it a holdout from some time in the past when there was a go...