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Is if(items != null) superfluous before foreach(T item in items)?

...in turn degrades to enumerator to an interface making iteration slower. My test showed a factor 5 degradation for iteration over an int array. – CodesInChaos Jun 23 '11 at 14:41 ...
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Nginx no-www to www and www to no-www

...omain\.example\.net))$; return 301 $scheme://$domain$request_uri; } Testing Regular Expressions w/ nginx You can test that the regex works as expected with pcretest on your system, which is the exact same pcre library that your nginx will be using for regular expressions: % pcretest PCRE ver...
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How do you create a dropdownlist from an enum in ASP.NET MVC?

... [System.ComponentModel.Description] attribute. For example: public enum TestEnum { [Description("Full test")] FullTest, [Description("Incomplete or partial test")] PartialTest, [Description("No test performed")] None } Here is my code: using System; using System.Collections.Gener...
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How do I use extern to share variables between source files?

... for the variable is allocated in another file. Say you have two .c-files test1.c and test2.c. If you define a global variable int test1_var; in test1.c and you'd like to access this variable in test2.c you have to use extern int test1_var; in test2.c. Complete sample: $ cat test1.c int test1_va...
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sendmail: how to configure sendmail on ubuntu? [closed]

...tc/mail/sendmail.conf /etc/cron.d/sendmail /etc/mail/sendmail.mc You can test sendmail to see if it is properly configured and setup by typing the following into the command line: $ echo "My test email being sent from sendmail" | /usr/sbin/sendmail myemail@domain.com The following will allow yo...
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How can I trigger an onchange event manually? [duplicate]

...nnet: interesting. I'm working in Linux at the moment and can't switch to test for a solution, but I would suggest swapping the if and else blocks, and testing for if ('createEvent' in document) instead. Let me know if this works and I'll update the answer. – Andy E ...
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What is the list of possible values for navigator.platform as of today? [closed]

...nformation and release dates where applicable. Android It's really hard to test for Android devices. Android devices will return Android just as often as some version of Linux. For example on a Nexus 5 phone, both the Android browser and Chrome return Linux armv7l. In rare cases Android devices can ...
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How to get Enum Value from index in Java?

...} import static junit.framework.Assert.assertEquals; import org.junit.Test; public class MonthsTest { @Test public void test_indexed_access() { assertEquals(Months.MONTHS_INDEXED[1], Months.JAN); assertEquals(Months.MONTHS_INDEXED[2], Months.FEB); assertEquals(Months.byOrdinal(1)...
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Replace a newline in TSQL

... New update! Test-cases can be found here: sqlfiddle.com/#!6/585a2/1/0 -- SQLFiddle seemed to choke on my actual run of the test-cases so instead, I built a "test-case query builder" table & give you the 9 statements to copy-paste int...
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Using HTML5/JavaScript to generate and save a file

...d it will save the content of @Nøk's answer to a file. I don't have IE to test it, but it works for webkit. – Bruno Bronosky Mar 25 '13 at 21:10  |  ...