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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
...x dim: initial centres, e.g. random.sample( X, k )
delta: relative error, iterate until the average distance to centres
is within delta of the previous average distance
maxiter
metric: any of the 20-odd in scipy.spatial.distance
"chebyshev" = max, "cit...
Determine the type of an object?
...icult to read. try... except is a good solution when you want to deal with errors, but not when deciding on behavior based on type.
– Rens van der Heijden
Mar 12 '16 at 12:02
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Exploitable PHP functions
...r_shutdown_function' => 0,
'register_tick_function' => 0,
'set_error_handler' => 0,
'set_exception_handler' => 0,
'session_set_save_handler' => array(0, 1, 2, 3, 4, 5),
'sqlite_create_aggregate' => array(2, 3),
'sqlite_create_function' => 2,
Inf...
How to set the prototype of a JavaScript object that has already been instantiated?
...ng a prototype with inadequate methods for the given object are programmer errors, not language faults and should not be a factor, and besides they can happen with Object.create just as well as with freely settable __proto__.
– user2451227
Jul 22 '14 at 11:44
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Windows远程桌面授权错误（授权超时）等报错信息疑难解答 - 更多技术 - 清...
...桌面授权错误（授权超时）等报错信息疑难解答windows_rdp_error_resolve由于无法升级或续订本地计算机的客户端访问许可证，远程会话被中断。
由于授权协议出错，远程计算机中断了会话。
由于授权协议中发生网络问题，远程会...
Understanding reference counting with Cocoa and Objective-C
...ember to release any acquired resources inside of code is both tedious and error-prone. Objective-C introduces another concept aimed at making this much easier: Autorelease Pools. Autorelease pools are special objects that are installed on each thread. They are a fairly simple class, if you look up ...
JavaScript get clipboard data on paste event (Cross browser)
...wn to suggesting the use of a DocumentFragment, and abligh for catching an error in Firefox due to the use of DOMStringList instead of a string for clipboardData.types
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Differences between lodash and underscore [closed]
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I'm getting error 500 on the Lo-Dash vs Underscore benchmark link
– Hylle
Jan 7 '19 at 12:05
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Is there a constraint that restricts my generic method to numeric types?
...m(1L, 2, 3, 4, 5);
NumericPolicies.Instance.Sum("www", "") // compile-time error.
The solution is compile-time safe. CityLizard Framework provides compiled version for .NET 4.0. The file is lib/NETFramework4.0/CityLizard.Policy.dll.
It's also available in Nuget: https://www.nuget.org/packages/Cit...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
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There is another case: ${var:?}, which will provide error when variable is unset or not set. REF: github.com/koalaman/shellcheck/wiki/SC2154
– Nam Nguyen
Apr 7 '15 at 4:32
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