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Error handling in C code

What do you consider "best practice" when it comes to error handling errors in a consistent way in a C library. 22 Answers ...
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How do I test if a variable is a number in Bash?

I just can't figure out how do I make sure an argument passed to my script is a number or not. 38 Answers ...
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Database Structure for Tree Data Structure

What would be the best way to implement a customizable (meaning, a tree structure with an unknown number of level) tree data structure in a database? ...
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How can I turn a List of Lists into a List in Java 8?

If I have a List<List<Object>> , how can I turn that into a List<Object> that contains all the objects in the same iteration order by using the features of Java 8? ...
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What’s the best RESTful method to return total number of items in an object?

I’m developing a REST API service for a large social networking website I’m involved in. So far, it’s working great. I can issue GET , POST , PUT and DELETE requests to object URLs and affect my data. However, this data is paged (limited to 30 results at a time). ...
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initialize a numpy array

Is there way to initialize a numpy array of a shape and add to it? I will explain what I need with a list example. If I want to create a list of objects generated in a loop, I can do: ...
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What is the difference between the GNU Makefile variable assignments =, ?=, := and +=?

Can anybody give a clear explanation of how variable assignment really works in Makefiles. 6 Answers ...
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Is it a good practice to place C++ definitions in header files?

My personal style with C++ has always to put class declarations in an include file, and definitions in a .cpp file, very much like stipulated in Loki's answer to C++ Header Files, Code Separation . Admittedly, part of the reason I like this style probably has to do with all the years I spent coding...
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How to send objects through bundle

I need to pass a reference to the class that does the majority of my processing through a bundle. 11 Answers ...
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C# code to validate email address

What is the most elegant code to validate that a string is a valid email address? 43 Answers ...