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How can I iterate over an enum?

... Two = 9, Three = 4, Last }; This illustrates that an enum is not really meant to iterate through. The typical way to deal with an enum is to use it in a switch statement. switch ( foo ) { case One: // .. break; case Two: // intentional fall-through case Three: ...
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In .NET, which loop runs faster, 'for' or 'foreach'?

...heaper than looping on List using foreach (which I believe, is what we all do). share | improve this answer | follow | ...
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Why is address zero used for the null pointer?

...emory, because it means freeing the pointer again isn't dangerous; when I call malloc it returns a pointer with the value zero if it can't get me memory; I use if (p != 0) all the time to make sure passed pointers are valid, etc. ...
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Create a variable name with “paste” in R?

...oss: a <- rnorm(1); a - eval(parse(text=paste(a))) does not return 0 usually. – user10307643 Oct 7 '19 at 13:31 ...
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How to create a cron job using Bash automatically without the interactive editor?

...w cron into cron file echo "00 09 * * 1-5 echo hello" >> mycron #install new cron file crontab mycron rm mycron Cron line explaination * * * * * "command to be executed" - - - - - | | | | | | | | | ----- Day of week (0 - 7) (Sunday=0 or 7) | | | ------- Month (1 - 12) | | --------- Day of...
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Should I return EXIT_SUCCESS or 0 from main()?

...y portable way to indicate failure in a C or C++ program. exit(1) can actually signal successful termination on VMS, for example. If you're going to be using EXIT_FAILURE when your program fails, then you might as well use EXIT_SUCCESS when it succeeds, just for the sake of symmetry. On the other...
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Rails find record with zero has_many records associated [duplicate]

...92465 - also answers your question about constructing the inverse and does all this with Arel – novemberkilo Sep 29 '13 at 16:06 5 ...
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How to list all Git tags?

...<pattern> List tags with names that match the given pattern (or all if no pattern is given). Typing "git tag" without arguments, also lists all tags. More recently ("How to sort git tags?", for Git 2.0+) git tag --sort=<type> Sort in a specific order. Supported type...
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The tilde operator in C

...F hashing algorithm, and I'm curious what it does. (The code is from Eternally Confused .) 6 Answers ...
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How to use Fiddler to monitor WCF service

...k Tools | Fiddler Options => Connections => adjust the port as 8888.(allow remote if you need that) Ok, then from file menu, capture the traffic. That's all, but don't forget to remove the web.config lines after closing the fiddler, because if you don't it will make an error. Reference : ht...