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Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib

... 10 Answers 10 Active ...
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How does collections.defaultdict work?

...efault items are created using int(), which will return the integer object 0. For the second example, default items are created using list(), which returns a new empty list object. share | improve ...
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LINQ with groupby and count

... .OrderBy(x => x.Metric)) { Console.WriteLine("{0} {1}", line.Metric, line.Count); } > This was a brilliantly quick reply but I'm having a bit of an issue with the first line, specifically "data.groupby(info=>info.metric)" I'm assuming you already have a list/array...
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Java 8 forEach with index [duplicate]

... 170 Since you are iterating over an indexable collection (lists, etc.), I presume that you can then ...
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How to center a “position: absolute” element

...may use: position: absolute; margin-left: auto; margin-right: auto; left: 0; right: 0; text-align: center; share | improve this answer | follow | ...
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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)

... Since 3.24.0 SQLite also supports upsert, so now you can simply write the following INSERT INTO visits (ip, hits) VALUES ('127.0.0.1', 1) ON CONFLICT(ip) DO UPDATE SET hits = hits + 1; ...
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How to set 'auto' for upper limit, but keep a fixed lower limit with matplotlib.pyplot

... 109 You can pass just left or right to set_xlim: plt.gca().set_xlim(left=0) For the y axis, use ...
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How to access cookies in AngularJS?

... 200 This answer has been updated to reflect latest stable angularjs version. One important note is ...
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GLib compile error (ffi.h), but libffi is installed

... 270 If you have a Debian-based Linux OS with apt-get: sudo apt-get install libffi-dev With a Redh...
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CSS: how to position element in lower right?

...x { position:relative; } .bet_time { position:absolute; bottom:0; right:0; } The way this works is that absolutely positioned elements are always positioned with respect to the first relatively positioned parent element, or the window. Because we set the box's position to relative,...