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Why doesn't Python have a sign function?

I can't understand why Python doesn't have a sign function. It has an abs builtin (which I consider sign 's sister), but no sign . ...
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Count occurrences of a char in a string using Bash

I need to count the number of occurrences of a char in a string using Bash. 7 Answers ...
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Using ChildActionOnly in MVC

... for [ChildActionOnly].. there are two action methods: Index() and MyDateTime() and corresponding Views: Index.cshtml and MyDateTime.cshtml. this is HomeController.cs public class HomeController : Controller { public ActionResult Index() { ViewBag.Message = "This is from Index()"...
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How to create a remote Git repository from a local one?

I have a local Git repository. I would like to make it available on a remote, ssh-enabled, server. How do I do this? 8 Answ...
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Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading

...pipeline, and there's no convenient way to tweak the asset URLs at request time (they are all generated during deployment when the assets are precompiled). The font's URL in css is already up on S3. – Zach Lipton Apr 30 '13 at 0:13 ...
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Designing function f(f(n)) == -n

...n returning an inline function: the bodies of both are expanded at compile time, or rather just before. Can't get much more efficient than this. – Jon Purdy Apr 26 '10 at 16:11 ...
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What is the difference between 'my' and 'our' in Perl?

...rder to use them under use strict without getting typo warnings or compile-time errors. Since Perl 5.6, it has replaced the obsolete use vars, which was only file-scoped, and not lexically scoped as is our. For example, the formal, qualified name for variable $x inside package main is $main::x. Dec...
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Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术

Redis 的性能幻想与残酷现实2011 年,当初选择 Redis 作为主要的内存数据存储,主要吸引我的是它提供多样的基础数据结构可以很方便的实现业务需求。另一方面又比较... 2011 年,当初选择 Redis 作为主要的内存数据存储,主要吸...
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How can I read a function's signature including default argument values?

Given a function object, how can I get its signature? For example, for: 8 Answers 8 ...
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Confused about __str__ on list in Python [duplicate]

Coming from a Java background, I understand that __str__ is something like a Python version of toString (while I do realize that Python is the older language). ...