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Create an array or List of all dates between two dates [duplicate]

... As for padding values with defaults in a time-series, you could enumerate all the dates in the full date-range, and pick the value for a date directly from the series if it exists, or the default otherwise. For example: var paddedSeries = fullDates.ToDictionary(date => date, date => timeSeri...
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Select rows which are not present in other table

... There are basically 4 techniques for this task, all of them standard SQL. NOT EXISTS Often fastest in Postgres. SELECT ip FROM login_log l WHERE NOT EXISTS ( SELECT -- SELECT list mostly irrelevant; can just be empty in Postgr...
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How to get started on TDD with Ruby on Rails? [closed]

...the concepts (took testing classes in college), but I am not sure how to really use them yet since I never worked on a "real" TDD project. ...
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New to unit testing, how to write great tests? [closed]

... My tests just seems so tightly bound to the method (testing all codepath, expecting some inner methods to be called a number of times, with certain arguments), that it seems that if I ever refactor the method, the tests will fail even if the final behavior of the method did not change...
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class

...lass << foo syntax opens up foo's singleton class (eigenclass). This allows you to specialise the behaviour of methods called on that specific object. a = 'foo' class << a def inspect '"bar"' end end a.inspect # => "bar" a = 'foo' # new object, new singleton class a.insp...
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Object.watch() for all browsers?

...s answer I gave to a similar question works fine here) I have created a small object.watch shim for this a while ago. It works in IE8, Safari, Chrome, Firefox, Opera, etc. share | improve this answ...
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Preloading images with JavaScript

Is the function I wrote below enough to preload images in most, if not all, browsers commonly used today? 14 Answers ...
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ADT requires 'org.eclipse.wst.sse.core 0.0.0' but it could not be found

I'm installing the Android SDK on a fresh installation of Fedora 14 (Linux). I installed eclipse, and ran the tools/android sdk tool to install all the Eclipse components for the SDK. I was able to get DDMS to install when selecting it by itself. ...
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Warn user before leaving web page with unsaved changes

...firmationMessage; //Gecko + Webkit, Safari, Chrome etc. }); }; Then calling the setter when submitting: <form method="post" onsubmit="setFormSubmitting()"> <input type="submit" /> </form> But read on... Long, correct answer: You also don't want to show this mess...
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In C, how should I read a text file and print all strings

...igned. If you want to read the file in chunks, but without dynamic memory allocation, you can do: #define CHUNK 1024 /* read 1024 bytes at a time */ char buf[CHUNK]; FILE *file; size_t nread; file = fopen("test.txt", "r"); if (file) { while ((nread = fread(buf, 1, sizeof buf, file)) > 0) ...