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Should switch statements always contain a default clause?

In one of my first code reviews (a while back), I was told that it's good practice to include a default clause in all switch statements. I recently remembered this advice but can't remember what the justification was. It sounds fairly odd to me now. ...
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How do you force a makefile to rebuild a target

...ther makefile. Since this makefile calls more makefiles that does the work it doesnt really change. Thus it keeps thinking the project is built and upto date. ...
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Unable to export Apple production push SSL certificate in .p12 format

...s out all you have to do is select "My Certificates" on the left panel and it enables the .p12 option. share | improve this answer | follow | ...
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What is the C runtime library?

What actually is a C runtime library and what is it used for? I was searching, Googling like a devil, but I couldn't find anything better than Microsoft's: "The Microsoft run-time library provides routines for programming for the Microsoft Windows operating system. These routines automate many commo...
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Join vs. sub-query

...ed JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why. 19 Answers ...
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How to set the first option on a select box using jQuery?

...follow | edited May 19 '16 at 13:52 answered Sep 16 '11 at 13:46 ...
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Understanding Canvas and Surface concepts

...s of drawing to SurfaceView and therefore the whole Surface / Canvas / Bitmap system, which is used in Android. 3 Answe...
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Cartesian product of multiple arrays in JavaScript

... 2020 Update: 1-line (!) answer with vanilla JS Original 2017 Answer: 2-line answer with vanilla JS: (see updates below) All of the answers here are overly complicated, most of them take 20 lines of code or even more. This example uses just two lines of vani...
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Keyboard shortcuts with jQuery

...and improved the js-hotkeys project. His version is available at: http://github.com/jeresig/jquery.hotkeys share | improve this answer | follow | ...
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Foreign Key naming scheme

I'm just getting started working with foreign keys for the first time and I'm wondering if there's a standard naming scheme to use for them? ...