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Ruby 'require' error: cannot load such file
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answered Mar 17 '12 at 14:14
PascalPascal
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Why are regular expressions so controversial? [closed]
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22 Answers
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What exactly is a C pointer if not a memory address?
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25 Answers
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How to prevent robots from automatically filling up a form?
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27 Answers
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CSS opacity only to background color, not the text on it? [duplicate]
...e) can be either <integer>s or <percentage>s, where the number 255 corresponds to 100%. A (alpha) can be a <number> between 0 and 1, or a <percentage>, where the number 1 corresponds to 100% (full opacity).
RGBa example
rgba(51, 170, 51, .1) /* 10% opaque green */
rgba(5...
How can I use a file in a command and redirect output to the same file without truncating it?
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Trevor Boyd Smith
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answered Jul 14 '11 at 16:42
c00kiemon5terc00k...
How to check whether a string contains a substring in Ruby
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edited Aug 1 '19 at 21:05
Dave Powers
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Is there any significant difference between using if/else and switch-case in C#?
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answered Dec 28 '08 at 8:06
imaima
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How to get “wc -l” to print just the number of lines without file name?
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221
Try this way:
wc -l < file.txt
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JavaScript variable assignments from tuples
In other languages like Python 2 and Python 3, you can define and assign values to a tuple variable, and retrieve their values like this:
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