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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C++内核技术

...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...
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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C++内核技术

...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...
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Union Vs Concat in Linq

...ence is not changed. If you will override Equals and GetHashCode (used to select distinct items), then items will not be compared by reference: class X { public int ID { get; set; } public override bool Equals(object obj) { X x = obj as X; if (x == null) re...
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How can I make a WPF combo box have the width of its widest element in XAML?

...e combo wide enough so that the widest item is fully visible when it's the selected item? This is where I've seen problems. – jschroedl Aug 9 '09 at 17:11 add a comment ...
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The Web Application Project […] is configured to use IIS. The Web server […] could not be found.

...to use IIS, simply go to your project properties, click the "Web" tab, and select the option to use IIS. There's the button there to "Create Virtual Directory". It may tell you that you need to run Visual Studio as an administrator to create that directory, so do that if needed. ...
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How can I use grep to show just filenames on Linux?

...andard: -l (The letter ell.) Write only the names of files containing selected lines to standard output. Pathnames are written once per file searched. If the standard input is searched, a pathname of (standard input) will be written, in the POSIX locale. In other locales, standard i...
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Is there an alternative sleep function in C to milliseconds?

... tv.tv_sec = milliseconds / 1000; tv.tv_usec = milliseconds % 1000 * 1000; select(0, NULL, NULL, NULL, &tv); instead of usleep(milliseconds * 1000);. Credit goes here. – Josh Sanford Sep 29 '16 at 18:18 ...
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Focusable EditText inside ListView

... . All I want to do is be able to use the jogball/arrows, to navigate the selector to individual items like normal, but when I get to a particular row -- even if I have to explicitly identify the row -- that has a focusable child, I want that child to take focus instead of indicating the position w...
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What is HEAD in Git?

...sitory can contain any number of heads. At any given time, one head is selected as the “current head.” This head is aliased to HEAD, always in capitals". Note this difference: a “head” (lowercase) refers to any one of the named heads in the repository; “HEAD” (uppercas...
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Virtualizing an ItemsControl?

...the sort of thing I was looking for! I was looking for a different kind of selection behavior than a listbox and at the time I thought it would be easiest to do with an items control. – Rachel May 7 '10 at 12:20 ...