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How to detect if my shell script is running through a pipe?

How do I detect from within a shell script if its standard output is being sent to a terminal or if it's piped to another process? ...
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)

...m is that when you have a macro replacement, the preprocessor will only expand the macros recursively if neither the stringizing operator # nor the token-pasting operator ## are applied to it. So, you have to use some extra layers of indirection, you can use the token-pasting operator with a recurs...
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Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)

... ${...} . Furthermore, when I started with SpEL I was told to use ${...} and it works fine. 4 Answers ...
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Composer: how can I install another dependency without updating old ones?

I have a project with a few dependencies and I'd like to install another one, but I'd like to keep the others the way they are. So I've edited the composer.json , but if I run composer install , I get the following output: ...
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Difference between thread's context class loader and normal classloader

What is the difference between a thread's context class loader and a normal class loader? 4 Answers ...
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PHP foreach change original array values

I am very new in multi dimensional arrays, and this is bugging me big time. 5 Answers ...
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Copying text with color from Notepad++

...anager. update As of version 6.1.5 (or maybe earlier) this ships with a standard install of Notepad++ update As of 2019 NppExport is not included by default in the Notepad++ 64 bits version (github issue). You can download the 64 bits version of NppExport here: [github] ...
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Python append() vs. + operator on lists, why do these give different results?

...ethod however does literally what you ask: append the object on the right-hand side that you give it (the array or any other object), instead of taking its elements. An alternative Use extend() if you want to use a function that acts similar to the + operator (as others have shown here as well). It'...
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Best Practice for Forcing Garbage Collection in C#

...need them. If you have custom objects, look at using the "using statement" and the IDisposable interface. This link has some good practical advice with regards to freeing up memory / garbage collection etc: http://msdn.microsoft.com/en-us/library/66x5fx1b.aspx ...
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What exactly is Arel in Rails 3.0?

I understand that it is a replacement for ActiveRecord and that it uses objects instead of queries. 4 Answers ...