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How to get the last N rows of a pandas DataFrame?

... dataframe df1 and df2 (df1 is vanila dataframe, df2 is indexed by 'STK_ID' & 'RPT_Date') : 3 Answers ...
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Changing the cursor in WPF sometimes works, sometimes doesn't

...deCursor: Mouse.OverrideCursor = Cursors.Wait; try { // do stuff } finally { Mouse.OverrideCursor = null; } This overrides the cursor for your application rather than just for a part of its UI, so the problem you're describing goes away. ...
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How do I remove a project configuration in Visual Studio 2008?

... wish Visual Studio offered a quicker way to remove a configuration across all projects. If you have a dozen projects or so in a solution it's a pain to go through each of them and manually delete the configuration. – Stefano Ricciardi Aug 23 '11 at 9:43 ...
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Are unused CSS images downloaded?

... "unused" and thusly, any images won't be downloaded. Chrome 26 (possibly all of them, not sure), does download CSS images if they are applied to the <noscript> element, even when JS is enabled. (It isn't immediately clear to me why though, perhaps this is a bug?). It does not download CSS i...
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Determine if an object property is ko.observable

...ce) { if ((instance === null) || (instance === undefined) || (instance.__ko_proto__ === undefined)) return false; if (instance.__ko_proto__ === ko.dependentObservable) return true; return ko.isComputed(instance.__ko_proto__); // Walk the prototype chain }; UPDATE: If you are using KO 2...
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How can I split and parse a string in Python?

I am trying to split this string in python: 2.7.0_bf4fda703454 3 Answers 3 ...
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Preserving order with LINQ

... Actually, I think Distinct preserves original (first found) order - so {1,2,1,3,1,3,4,1,5} would be {1,2,3,4,5} – Marc Gravell♦ Oct 15 '08 at 14:33 ...
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Is it possible to implement dynamic getters/setters in JavaScript?

...Here's a simple example that turns any property values that are strings to all caps on retrieval: "use strict"; if (typeof Proxy == "undefined") { throw new Error("This browser doesn't support Proxy"); } let original = { "foo": "bar" }; let proxy = new Proxy(original, { get(...
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Python: One Try Multiple Except

...n) as e: handle_either_of_3rd_4th_or_5th() except Exception: handle_all_other_exceptions() See: http://docs.python.org/tutorial/errors.html The "as" keyword is used to assign the error to a variable so that the error can be investigated more thoroughly later on in the code. Also note that...
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How to merge YAML arrays?

...hon:3.7.3 stage: test script: - *pip_git - pip install -q -r requirements_test.txt - python -m unittest discover tests use the same `*pip_git` on e.g. build image... where requirements_test.txt contains e.g. -e git+ssh://git@gitlab.com/example/example.git@v0.2.2#e...