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Remove blank lines with grep
...ion allows regex patterns for matching.
The single quotes around ^$ makes it work for Cshell. Other shells will be happy with either single or double quotes.
UPDATE: This works for me for a file with blank lines or "all white space" (such as windows lines with "\r\n" style line endings), whereas ...
Concatenate strings in Less
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edited Jun 11 '14 at 15:44
mikemanger
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answered Apr 21 '12 at 5...
How to flatten tree via LINQ?
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If you would prefer flattening in pre-order rather than in post-order, switch around the sides of the Concat(...).
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How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?
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It means the new copy of your application (on your development machine) was signed with a different signing key than the old copy of your application (installed on the device/emulator). For example, if this is a device, you m...
What is the significance of 1/1/1753 in SQL Server?
...01-01) as the minimum date value for a datetime in SQL Server goes back to its Sybase origins.
The significance of the date itself though can be attributed to this man.
Philip Stanhope, 4th Earl of Chesterfield. Who steered the Calendar (New Style) Act 1750 through the British Parliament. This l...
How to get the latest tag name in current branch in Git?
What's the simplest way to get the most recent tag in Git?
24 Answers
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How to check if a Ruby object is a Boolean
... Yes, that's called duck typing and a core principle of OOP. I think it's a feature.
– Konstantin Haase
Jun 19 '12 at 16:41
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Scala best way of turning a Collection into a Map-by-key?
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edited Oct 20 '16 at 10:47
answered Jul 14 '10 at 18:56
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When to use which design pattern? [closed]
I like design patterns very much, but I find it difficult to see when I can apply one. I have read a lot of websites where design patterns are explained. I do understand the most of them, but I find it difficult to recognize a pattern in my own situations.
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Import CSV to SQLite
I'm trying to import a csv file to an SQLite table.
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