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Python timedelta in years

... year=from_date.year-years) Your question originally said you wanted to know how many years it's been since some date. Assuming you want an integer number of years, you can guess based on 365.25 days per year and then check using either of the yearsago functions defined a...
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What does 'require: false' in Gemfile mean?

... This means install the gem, but do not call require when you start Bundler. So you will need to manually call require "whenever" if you want to use the library. If you were to do gem "whenever", require: "whereever" then bundler woul...
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Entity Framework DateTime and UTC

...y Framework (I am using the Code First Approach with CTP5 currently) store all DateTime values as UTC in the database? 13 A...
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Servlet for serving static content

...;url-pattern>/</url-pattern> </servlet-mapping> This basically just maps all content files by extension to the default servlet, and everything else to "myAppServlet". It works in both Jetty and Tomcat. s...
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Get the first element of each tuple in a list in Python [duplicate]

... Use a list comprehension: res_list = [x[0] for x in rows] Below is a demonstration: >>> rows = [(1, 2), (3, 4), (5, 6)] >>> [x[0] for x in rows] [1, 3, 5] >>> Alternately, you could use unpacking instead of x[0]: res_li...
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What does `someObject.new` do in Java?

... And, as you can tell, this can be incredibly confusing. Ideally, inner classes should be implementation details of the outer class and not be exposed to the outside world. – Eric Jablow Mar 30 '13 at 23:45 ...
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not None test in Python [duplicate]

...r of the latter two, since val could potentially be of a type that defines __eq__() to return true when passed None. share | improve this answer | follow | ...
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What's the difference between ES6 Map and WeakMap?

...e: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap): Keys of WeakMaps are of the type Object only. Primitive data types as keys are not allowed (e.g. a Symbol can't be a WeakMap key). Nor can a string, number, or boolean be used as a WeakMap key. A M...
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FileSystemWatcher Changed event is raised twice

...anner. Because FileSystemWatcher monitors the operating system activities, all events that these applications fire will be picked up. Now this bit of text is about the Created event, but the same thing applies to other file events as well. In some applications you might be able to get around this ...
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Deleting rows with MySQL LEFT JOIN

...ed May 4 '10 at 6:26 Daniel VassalloDaniel Vassallo 301k6666 gold badges475475 silver badges424424 bronze badges ...