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What is tail call optimization?
...he spec that any implementation must provide this optimization (JavaScript does also, starting with ES6), so here are two examples of the factorial function in Scheme:
(define (fact x)
(if (= x 0) 1
(* x (fact (- x 1)))))
(define (fact x)
(define (fact-tail x accum)
(if (= x 0) accum...
Apply .gitignore on an existing repository already tracking large number of files
...s answer...and it deleted nearly everything in my project! Obviously I was doing something wrong. But I want to warn folks not to follow this suggestion casually.
– Mark Olbert
Jun 16 '16 at 16:18
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Can you attach a UIGestureRecognizer to multiple views?
... recognizer once, I'm not sure if this is a bug or it just needs some more documentation.
12 Answers
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How can I get a web site's favicon?
...cons from my system for known file types isn't terribly complicated, but I don't know how to get the favicon from a website. (SO has the grey->orange stack icon in the address bar for instance)
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How to create a multi-tenant database with shared table structures?
... you toward a more shared
approach.
How many prospective tenants do you expect to target? You may be nowhere
near being able to estimate
prospective use with authority, but
think in terms of orders of magnitude:
are you building an application for
hundreds of tenants? Thousands? ...
How to use bootstrap-theme.css with bootstrap 3?
After downloading a complete pack of bootstrap 3 from http://getbootstrap.com , I noticed that there is a separate css file for theme. How to make use of it? Please explain?
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Add a “hook” to all AJAX requests on a page
...rd-party scripts on the page. Some of these might use jQuery, while others do not. Is this possible?
8 Answers
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fatal: Not a valid object name: 'master'
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When I git init a folder it doesn't create a master branch
This is true, and expected behaviour. Git will not create a master branch until you commit something.
When I do git --bare init it creates the files.
A non-bare git init will also create...
TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...(TLSF)
* Version 2.4.6
*
* Written by Miguel Masmano Tello <mimastel@doctor.upv.es>
*
* Thanks to Ismael Ripoll for his suggestions and reviews
*
* Copyright (C) 2008, 2007, 2006, 2005, 2004
*
* This code is released using a dual license strategy: GPL/LGPL
* You can choose the li...
How can I center an absolutely positioned element in a div?
...o place a div (with position:absolute; ) element in the center of my window. But I am having problems doing so, because the width is unknown .
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