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How to do date/time comparison

...hen used with time.Parse they do not accept all the time formats permitted by the RFCs. cutOffTime, _ := time.Parse(time.RFC3339, "2017-08-30T13:35:00Z") // POSTDATE is a date time field in DB (datastore) query := datastore.NewQuery("db").Filter("POSTDATE >=", cutOffTime). ...
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Why is Java's Iterator not an Iterable?

... be possible to implement an Iterable Iterator that implements .iterator() by resetting itself, but this design would still break in some circumstances, for example, if it was passed to a method that takes an Iterable and loops over all possible pairs of elements by nesting for-each loops. ...
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What is the difference between a definition and a declaration?

...on introduces names into a translation unit or redeclares names introduced by previous declarations. A declaration specifies the interpretation and attributes of these names. The next paragraph states (emphasis mine) that a declaration is a definition unless... ... it declares a function withou...
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Sending a JSON to server and retrieving a JSON in return, without JQuery

...ng the XHR on the submit action of the form, when I changed it to be fired by a click event on. I got the CORS error, that is understandable and I am changing my server side code for that. I wrote about it here medium.com/@viveksinghggits/… – viveksinghggits ...
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Why is C so fast, and why aren't other languages as fast or faster? [closed]

...s such as just-in-time compilation which produces native machine code from bytecode to achieve higher performance. share | improve this answer | follow | ...
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Should I learn C before learning C++? [closed]

... first and I am not a misled programmer. So your claim is not true, proof by counter example. And yes I do have a gold badge in C as well. The truth of the matter is that they are 2 distinct and different languages. You don't need one language as a dependency to learn the other. That is just a...
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mongodb count num of distinct values per field/key

...is example of using aggregation API. To complicate the case we're grouping by case-insensitive words from array property of the document. db.articles.aggregate([ { $match: { keywords: { $not: {$size: 0} } } }, { $unwind: "$keywords" }, { $group: {...
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Remove last character of a StringBuilder?

...have to loop through a collection and make a string of each data separated by a delimiter, you always end up with an extra delimiter at the end, e.g. ...
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In Matplotlib, what does the argument mean in fig.add_subplot(111)?

... I think this would be best explained by the following picture: To initialize the above, one would type: import matplotlib.pyplot as plt fig = plt.figure() fig.add_subplot(221) #top left fig.add_subplot(222) #top right fig.add_subplot(223) #bottom left ...
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Maven check for updated dependencies in repository

...your projects. There is also a REST JSON API, for tool integrations. By the way, I'm the dude who started this project. Let me know if you have questions. share | improve this answer ...