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How to understand nil vs. empty vs. blank in Ruby
... nil? , blank? , and empty? in Ruby on Rails. Here's the closest I've come:
14 Answers
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Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
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Tab space instead of multiple non-breaking spaces (“nbsp”)?
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Tabulation example</title>
<style type="text/css">
dummydeclaration { padding-left: 4em; } /* Firefo...
How can I use NSError in my iPhone App?
...there are some issues in ARC and casting the id to a BOOL. Any slight ARC compatible variation would be much appreciated.
– NSTJ
Dec 5 '12 at 17:28
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Is it possible to perform a 'grep search' in all the branches of a Git project?
...ide all the branches of a Git control sourced project? Or is there another command to run?
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How does “cat
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This is called heredoc format to provide a string into stdin. See https://en.wikipedia.org/wiki/Here_document#Unix_shells for more details.
From man bash:
Here Documents
This type of redirection instructs the shell to read input from
the current source until a line
containin...
JavaScript is in array
... browsers (like IE < 9). There's a jQuery function for this: api.jquery.com/jQuery.inArray
– Vinicius Pinto
Oct 5 '12 at 14:42
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What is the difference between i++ and ++i?
...ame results as the precise and correct description. First, I don't see any compelling value in getting the right answers through incorrect reasoning, and second, yes, I have seen production code that gets exactly this sort of thing wrong. I get probably half a dozen questions a year from real progra...
What should every JavaScript programmer know? [closed]
...can use them; using them with inline anonymous function expressions to get compact, readable code.
The flow of control between the browser and user code; synchronous and asynchronous execution; events that fire inside the flow of control (eg. focus) vs. events and timeouts that occur when control re...
How can I get a resource “Folder” from inside my jar File?
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