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Insert a line at specific line number with sed or awk
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Yes, the -i switch is specific for GNU-sed.
– user unknown
Dec 21 '12 at 6:39
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comparing sbt and Gradle [closed]
...py with Gradle in java/groovy projects, and I know there's a scala plugin for Gradle.
5 Answers
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Thymeleaf: how to use conditionals to dynamically add/remove a CSS class
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One more thing to remember is that you unfortunately can't have multiple th:classappend attributes. Max one is allowed. Fatal error during parsing org.xml.sax.SAXParseException: Attribute "th:classappend" was already specified...
How to find the 'sizeof' (a pointer pointing to an array)?
...trick is the one mentioned by Zan, which is to stash the size somewhere. For example, if you're dynamically allocating the array, allocate a block one int bigger than the one you need, stash the size in the first int, and return ptr+1 as the pointer to the array. When you need the size, decrement ...
Why does the C++ STL not provide any “tree” containers?
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There are two reasons you could want to use a tree:
You want to mirror the problem using a tree-like structure:
For this we have boost graph library
Or you want a container that has tree like access characteristics
For this we have
std::map (and std::multimap)
std::set (and std::multiset)
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PHP: How to send HTTP response code?
... make responses with HTTP response codes (status-codes), like HTTP 200 OK, or some 4XX or 5XX code.
9 Answers
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What should go into an .h file?
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Header files (.h) are designed to provide the information that will be needed in multiple files. Things like class declarations, function prototypes, and enumerations typically go in header files. In a word, "definitions".
Code files (.cpp) are designed to provide the impl...
What does the “assert” keyword do? [duplicate]
What does assert do?
For example in the function:
8 Answers
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How to allocate aligned memory only using the standard library?
...s part of a job interview, and one question stumped me, even using Google for reference. I'd like to see what the StackOverflow crew can do with it:
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What is the difference between an abstract function and a virtual function?
...on and a virtual function? In which cases is it recommended to use virtual or abstract? Which one is the best approach?
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