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Ruby: Merging variables in to a string

...ed from a database, and the variable dependant a number of factors. Normally I would use a replace for 1 or two varibles, but this has the potential to be more. Any thoughts? – FearMediocrity Feb 16 '09 at 22:25 ...
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how to view the contents of a .pem certificate

...xt This should work for any x509 .pem file provided you have openssl installed. share | improve this answer | follow | ...
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Change text color based on brightness of the covered background area?

...swered Aug 8 '12 at 15:38 Alex BallAlex Ball 3,73622 gold badges1313 silver badges2121 bronze badges ...
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Map to String in Java

... Use Object#toString(). String string = map.toString(); That's after all also what System.out.println(object) does under the hoods. The format for maps is described in AbstractMap#toString(). Returns a string representation of this map. The string representation consists of a list of key-v...
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Best way to create custom config options for my Rails app?

... create one config option for my Rails application. It can be the same for all environments. I found that if I set it in environment.rb , it's available in my views, which is exactly what I want... ...
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How do I make my string comparison case insensitive?

... Just be aware that the two solutions are not necessarily identical for all locales. String#equalsIgnoreCase is not using locale specific casing rules, while String#toLowerCase and #toUpperCase do. – jarnbjo Feb 8 '10 at 9:48 ...
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How do I prevent node.js from crashing? try-catch doesn't work

... Other answers are really insane as you can read at Node's own documents at http://nodejs.org/docs/latest/api/process.html#process_event_uncaughtexception If someone is using other stated answers read Node Docs: Note that uncaughtException i...
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How do I find out if first character of a string is a number?

... Character.isDigit(string.charAt(0)) Note that this will allow any Unicode digit, not just 0-9. You might prefer: char c = string.charAt(0); isDigit = (c >= '0' && c <= '9'); Or the slower regex solutions: s.substring(0, 1).matches("\\d") // or the equivalent s.su...
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Measuring code execution time

...ngs that @soner-gonul mentioned - but, the usage is clutter free and hides all the boilerplate code. Very helpful when you want to use it very frequently. It also uses Common.Logging so that you can integrate with your preferred logging provider. – Chai Jan 20 ...
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Adding a build configuration in Xcode

...roject as in the screenshot, YES, I selected Info tab THEN my project) but all those options are still greyed out? – Can Poyrazoğlu Sep 5 '16 at 7:09 ...