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Check for array not empty: any?

...plicit block of {|obj| obj} (that is any? will return true if at least one of the collection members is not false or nil). share | improve this answer | follow ...
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Can I use break to exit multiple nested 'for' loops?

... I'm a new C++ programmer (and one without any formal programming training) thus after reading about people's rants on goto. I'm hesitant on using it in fear my program might just suddenly explode and kill me. Other than that, when i used to write programs...
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Can grep show only words that match search pattern?

...ixing of file names on output. This is the default when there is only one file (or only standard input) to search. -o, --only-matching Print only the matched (non-empty) parts of a matching line, with each such part on a separate output line. ...
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How to work with Git branches and Rails migrations

...ing data will be lost. You'll probably only want to run production off of one branch which you're very careful with, so these steps don't apply there (just run rake db:migrate as usual there). But in development, it should be no big deal to recreate the database from the schema, which is what rake...
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Add spaces before Capital Letters

... Didn't test performance, but here in one line with linq: var val = "ThisIsAStringToTest"; val = string.Concat(val.Select(x => Char.IsUpper(x) ? " " + x : x.ToString())).TrimStart(' '); ...
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Difference between freeze and seal

...t.seal does, plus: It prevents modifying any existing properties Neither one affects 'deep'/grandchildren objects. E.g., if obj is frozen, obj.el can’t be reassigned, but the value of obj.el could be modified, e.g. obj.el.id can be changed. Performance: Sealing or freezing an object may affe...
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How can I open a cmd window in a specific location?

...answers the "letter" of the question, but not the "spirit"! This requires one to "...to navigate all the way to the directory I want." Ok, perhaps not "navigate", but rather "type", which is hardly a shortcut! – raven Sep 6 '14 at 19:23 ...
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External template in Underscore

...n of said templates happen at build time (not runtime), and you don't have one hundred tiny async requests when the page starts up. Everything below is junk For me, I prefer the simplicity of including a JS file with my template. So, I might create a file called view_template.js which includes th...
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How to output in CLI during execution of PHP Unit tests?

...ning a PHPUnit test, I would like to be able to dump output so I can debug one or two things. 17 Answers ...
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.NET - How can you split a “caps” delimited string into an array?

... I made this a while ago. It matches each component of a CamelCase name. /([A-Z]+(?=$|[A-Z][a-z])|[A-Z]?[a-z]+)/g For example: "SimpleHTTPServer" => ["Simple", "HTTP", "Server"] "camelCase" => ["camel", "Case"] To convert that to just insert spaces between th...