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How to delete (not cut) in Vim?

... Use the "black hole register", "_ to really delete something: "_d. Use "_dP to paste something and keep it available for further pasting. For the second question, you could use <C-o>dw. <C-o> is used to execute a normal command without leaving ...
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Random Gaussian Variables

...uller polar method: public sealed class GaussianRandom { private bool _hasDeviate; private double _storedDeviate; private readonly Random _random; public GaussianRandom(Random random = null) { _random = random ?? new Random(); } /// <summary> /// Obta...
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DistutilsOptionError: must supply either home or prefix/exec-prefix — not both

I've been usually installed python packages through pip. 8 Answers 8 ...
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Best practice for localization and globalization of strings and labels [closed]

... As far as I know, there's a good library called localeplanet for Localization and Internationalization in JavaScript. Furthermore, I think it's native and has no dependencies to other libraries (e.g. jQuery) Here's the website of library: http://www.localeplanet....
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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?

...some check before creating an object, probably in its constructor. This is all okay until I decide I want to make this check be a part of the business logic. So, how can I arrange for a business object to be creatable only through some method in my business logic class but never directly? The first ...
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Find out time it took for a python script to complete execution

...test function" L = [] for i in range(100): L.append(i) if __name__=='__main__': from timeit import Timer t = Timer("test()", "from __main__ import test") print t.timeit() Then to convert to minutes, you can simply divide by 60. If you want the script runtime in an easi...
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How to throw std::exceptions with variable messages?

...atter & operator << (const Type & value) { stream_ << value; return *this; } std::string str() const { return stream_.str(); } operator std::string () const { return stream_.str(); } enum ConvertToString { to_str };...
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How to log source file name and line number in Python

...='%Y-%m-%d:%H:%M:%S', level=logging.DEBUG) logger = logging.getLogger(__name__) logger.debug("This is a debug log") logger.info("This is an info log") logger.critical("This is critical") logger.error("An error occurred") Generates this output: 2017-06-06:17:07:02,158 DEBUG [log.py:11] Thi...
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Easy idiomatic way to define Ordering for a simple case class

...[...] to Ordered[TupleN[...]] provided an implicit Ordering[TN] exists for all elements T1, ..., TN of the tuple, which should always be the case because it makes no sense to sort on a data type with no Ordering. The implicit ordering for Tuples is your go-to for any sorting scenario involving a co...
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基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...腾讯,搜狐,网易)的开发者,拿到属于你自己的CONSUMER_KEY和CONSUMER_SECRET(有时也被称作APP_*)。 下面开始!假定我们要开发一个类似Follow5和微博通的应用,简单点说就是把消息同时发送到多个微博平台,出于安全性的考虑,...