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How to find where a method is defined at runtime?

...is is really late, but here's how you can find where a method is defined: http://gist.github.com/76951 # How to find out where a method comes from. # Learned this from Dave Thomas while teaching Advanced Ruby Studio # Makes the case for separating method definitions into # modules, especially when...
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

...ce it specifically says "... commutative and associative binary operator" http://spark.apache.org/docs/1.0.0/api/scala/index.html#org.apache.spark.rdd.RDD Here is proof that reduce is NOT just a special case of foldLeft scala> val intParList: ParSeq[Int] = (1 to 100000).map(_ => scala.util....
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CORS Access-Control-Allow-Headers wildcard being ignored?

...ers. On browser which don't implement this yet, it must be an exact match: https://www.w3.org/TR/2014/REC-cors-20140116/#access-control-allow-headers-response-header If you expect a large number of headers, you can read in the value of the Access-Control-Request-Headers header and echo that value b...
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How do I import the Django DoesNotExist exception?

...e_can_delete_discussion_response(self): ...snip... self._driver.get("http://localhost:8000/questions/3/want-a-discussion") try: answer = Answer.objects.get(body__exact = '<p>User can reply to discussion.</p>')) self.fail("Should not have reached here! Expected ...
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How to automatically remove trailing whitespace in Visual Studio 2008?

... and does this automatically along with other useful cleanups. Download: https://github.com/codecadwallader/codemaid/releases/tag/v0.4.3 Modern Download: https://marketplace.visualstudio.com/items?itemName=SteveCadwallader.CodeMaid Documentation: http://www.codemaid.net/documentation/#cleaning I...
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Node.js app can't run on port 80 even though there's no other process blocking the port

...0.0.1:80> ServerName myLocalServer ProxyPass / http://localhost:8080/ ProxyPassReverse / http://localhost:8080/ </VirtualHost> Of course, add server to /etc/hosts: 127.0.0.1 myLocalServer You will need to enable the relevant apache modules: sudo a2...
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How to add a 'or' condition in #ifdef

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Convert a python 'type' object to a string

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AngularJS: Basic example to use authentication in Single Page Application

... I've created a github repo summing up this article basically: https://medium.com/opinionated-angularjs/techniques-for-authentication-in-angularjs-applications-7bbf0346acec ng-login Github repo Plunker I'll try to explain as good as possible, hope I help some of you out there: (1) ap...
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Parse JSON in C#

...": {""results"":[{""GsearchResultClass"":""GwebSearch"",""unescapedUrl"":""http://www.cheese.com/"",""url"":""http://www.cheese.com/"",""visibleUrl"":""www.cheese.com"",""cacheUrl"":""http://www.google.com/search?q\u003dcache:bkg1gwNt8u4J:www.cheese.com"",""title"":""\u003cb\u003eCHEESE\u003c/b\u003...