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How to escape a single quote inside awk

... This maybe what you're looking for: awk 'BEGIN {FS=" ";} {printf "'\''%s'\'' ", $1}' That is, with '\'' you close the opening ', then print a literal ' by escaping it and finally open the ' again. ...
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How to create and handle composite primary key in JPA

...want to have versions from the same data entry. In other words, I want to duplicate the entry with another version number. ...
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How do I Moq a method that has an optional argument in its signature without explicitly specifying i

... I believe your only choice right now is to explicitly include the bool parameter in the setup for Foo. I don't think it defeats the purpose of specifying a default value. The default value is a convenience for calling code, but I think ...
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How do I test which class an object is in Objective-C?

How do I test whether an object is an instance of a particular class in Objective-C? Let's say I want to see if object a is an instance of class b, or class c, how do I go about doing it? ...
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Get pandas.read_csv to read empty values as empty string instead of nan

I'm using the pandas library to read in some CSV data. In my data, certain columns contain strings. The string "nan" is a possible value, as is an empty string. I managed to get pandas to read "nan" as a string, but I can't figure out how to get it not to read an empty value as NaN. Here's sam...
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Left align and right align within div in Bootstrap

... 2018 Update... Bootstrap 4.1+ pull-right is now float-right text-right is the same as 3.x, and works for inline elements both float-* and text-* are responsive for different alignment at different widths (ie: float-sm-right) ...
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CPU Privilege Rings: Why rings 1 and 2 aren't used?

A couple of questions regarding the x86 CPU privilege rings: 3 Answers 3 ...
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sed: print only matching group

I want to grab the last two numbers (one int, one float; followed by optional whitespace) and print only them. 5 Answers ...
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NULL vs nil in Objective-C

In observeValueForKeyPath:ofObject:change:context: - why do the docs use NULL instead of nil when not specifying a context pointer? ...
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What does it mean to start a PHP function with an ampersand?

I'm using the Facebook library with this code in it: 3 Answers 3 ...