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Logic to test that 3 of 4 are True
....7/4) indicates that converting bool to int gives the expected values 0 or 1.
In Java and C#, you can use the following construct:
if ((a?1:0) + (b?1:0) + (c?1:0) + (d?1:0) == 3)
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Creating a zero-filled pandas data frame
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140
You can try this:
d = pd.DataFrame(0, index=np.arange(len(data)), columns=feature_list)
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How to use Active Support core extensions
I have Active Support 3.0.3 installed and Rails 3.0.3 with Ruby 1.8.7.
5 Answers
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Using bitwise OR 0 to floor a number
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How does it work? Our theory was that using such an operator casts the
number to an integ...
Which method performs better: .Any() vs .Count() > 0?
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edited Nov 20 '08 at 12:51
answered Nov 20 '08 at 12:37
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Is there any boolean type in Oracle databases?
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11 Answers
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How can I easily view the contents of a datatable or dataview in the immediate window
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The Visual Studio debugger comes with four standard visualizers. These are the text, HTML, and...
How to format strings in Java
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In addition to String.format, also take a look java.text.MessageFormat. The format less terse...
MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...SDK：以 “ListView_”开头的一些宏。如 ListView_InsertColumn
1. CListCtrl 风格
LVS_ICON: 为每个item显示大图标
LVS_SMALLICON: 为每个item显示小图标
LVS_LIST: 显示一列带有小图标的item
LVS_REPORT: 显示item详细资料
直观...
Should I return EXIT_SUCCESS or 0 from main()?
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EXIT_FAILURE, either in a return statement in main or as an argument to exit(), is the only po...