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Can I use the range operator with if statement in Swift?

...e code is compiled in Xcode 6.3 with optimizations switch on, then for the test if 200 ... 299 ~= statusCode actually no function call is generated at all, only three assembly instruction: addq $-200, %rdi cmpq $99, %rdi ja LBB0_1 this is exactly the same assembly code that is generated...
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What is process.env.PORT in Node.js?

... terminal: set a new user environment variable, not permanently export MY_TEST_PORT=9999 app.js: read the new environment variable from node app console.log(process.env.MY_TEST_PORT) terminal: run the node app and get the value $ node app.js 9999 ...
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Return all enumerables with yield return at once; without looping through

...at exactly do you mean that it will call the methods immediately? I ran a test and it looks like it's deferring the method calls completely until something is actually iterated. Code here: pastebin.com/0kj5QtfD – Steven Oxley Aug 9 '10 at 23:20 ...
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Sort hash by key, return hash in Ruby

... @zachaysan but it does work: h.sort{|a,z|a<=>z}.to_h (tested 2.1.10, 2.3.3) – whitehat101 Dec 2 '16 at 6:27 ...
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Mark parameters as NOT nullable in C#/.NET?

...scure edge case, combined with there being a typo, combined with a lack of tests around that code, you'd end up with a problem. By that point I think you have bigger problems though :) – Jon Skeet Nov 29 '11 at 6:49 ...
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Having issue with multiple controllers of the same name in my project

... I haven't tested it, but the namespaces parameter is a string array, so you should be able to pass any number by adding to the array: new string[] { "MyCompany.MyProject.WebMvc.Controllers", "My.Second.Namespace", "My.Third.Namespace",...
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A fast method to round a double to a 32-bit int explained

...s for numbers with absolute value < 2 ^ 51. This is a little program to test it: ideone.com #include <cstdio> int main() { // round to nearest integer printf("%.1f, %.1f\n", rint(-12345678.3), rint(-12345678.9)); // test tie-breaking rule printf("%.1f, %.1f, %.1f, %.1f\n",...
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Change Oracle port from port 8080

...T(8181); as SYS/SYSTEM. Replace 8181 with the port you'd like changing to. Tested this with Oracle 10g. Source : http://hodentekhelp.blogspot.com/2008/08/my-oracle-10g-xe-is-on-port-8080-can-i.html share | ...
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Convert seconds to Hour:Minute:Second

...es:$seconds"; ?> which produces: $ php file.php 0:11:25 (I've not tested this much, so there might be errors with floor or so) share | improve this answer | follow ...
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Where can I learn jQuery? Is it worth it?

...ere like Wikipedia, select a few that fit your criteria and interest you. Test them out to see how they work for you. Most, if not all, of these libraries have websites w/ reference documentation and user group type support. To put some names out there, Prototype, script.aculo.us, Jquery, Dojo, Y...