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Python Pandas: Get index of rows which column matches certain value

... [57]: idx Out[57]: Int64Index([10, 40, 50], dtype='int64') then you can select the rows using loc instead of iloc: In [58]: df.loc[idx] Out[58]: BoolCol 10 True 40 True 50 True [3 rows x 1 columns] Note that loc can also accept boolean arrays: In [55]: df.loc[df['BoolCol']] Ou...
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Select which href ends with some string

Is it possible using jQuery to select all <a> links which href ends with "ABC"? 5 Answers ...
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How to set IntelliJ IDEA Project SDK

... for me to set up the Project SDK. When I click on "JDK" it asks for me to select the home directory of the JDK as shown in this image. ...
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Return 0 if field is null in MySQL

... Would that be IFNULL((SELECT SUM(uop.price * uop.qty) FROM uc_order_products uop WHERE uo.order_id = uop.order_id) AS products_subtotal, 0)? – Kevin Oct 22 '10 at 13:46 ...
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Selecting only first-level elements in jquery

How can I select the link elements of only the parent <ul> from a list like this? 10 Answers ...
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How do I search within an array of hashes by hash values in ruby?

... You're looking for Enumerable#select (also called find_all): @fathers.select {|father| father["age"] > 35 } # => [ { "age" => 40, "father" => "Bob" }, # { "age" => 50, "father" => "Batman" } ] Per the documentation, it "returns a...
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Pandas - Get first row value of a given column

... To select the ith row, use iloc: In [31]: df_test.iloc[0] Out[31]: ATime 1.2 X 2.0 Y 15.0 Z 2.0 Btime 1.2 C 12.0 D 25.0 E 12.0 Name: 0, dtype: float64 To select the ith val...
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Obtain form input fields using jQuery?

...s[field.name] = field.value; }); Note that this snippet will fail on <select multiple> elements. It appears that the new HTML 5 form inputs don't work with serializeArray in jQuery version 1.3. This works in version 1.4+ ...
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Hidden Features of Visual Studio (2005-2010)?

... Make a selection with ALT pressed - selects a square of text instead of whole lines. share answered Sep 19 ...
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Sort a Map by values

... any more (stackoverflow.com/questions/109383/…). Also, why was there a cast to Double? Shouldn't it just be return ((Comparable)base.get(a).compareTo(((Comparable)base.get(b)))? – Stephen Aug 11 '10 at 21:50 ...