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Can someone give an example of cosine similarity, in a very simple, graphical way?
...alization and TF-IDF: site.uottawa.ca/~diana/csi4107/cosine_tf_idf_example.pdf
– Mike B.
Aug 12 '14 at 10:41
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show 14 more comments
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What is the fastest way to get the value of π?
...t π I know of is the one with the digits hard coded. Looking at Pi and Pi[PDF], there are a lot of formulae.
Here is a method that converges quickly — about 14 digits per iteration. PiFast, the current fastest application, uses this formula with the FFT. I'll just write the formula, since the co...
Django - how to create a file and save it to a model's FileField?
...ntentFile) works perfectly with the file string returned by django-wkhtmltopdf's convert_to_pdf command. Thank you!!
– Nostalg.io
Sep 1 '16 at 4:53
...
Object-orientation in C
...on, ownership, exceptions, contracts and closures. There is a draft paper (PDF) that describes it.
Exception in C is a C89 implementation of the TRY-CATCH-FINALLY found in other OO languages. It comes with a testsuite and some examples.
Both by Laurent Deniau, which is working a lot on OOP in C....
vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...st 源代码所在路径最好全英文，不要有空格、特殊字符、中文等
编译要花上30分钟左右（根据PC性能所定）， 会在指定生成目录：
D:\05_Computer\04_3rdPatry\02Boost\boost_1_44_0\output下生成对应库文件和头文件。
8.设置开发环境
打...
How to render and append sub-views in Backbone.js
... is example code lifted from Recipes With Backbone, found on page 42 of my PDF edition:
...
render: function() {
$(this.el).html(this.template());
this.addAll();
return this;
},
addAll: function() {
this.collection.each(this.addOne);
},
addOne: function(model) {
view = new V...
初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...整性，我们选择从源代码安装MySQL，需要注意的是早期的版本有内存泄漏，所以推荐安装最新的稳定版，激活WITH_INNODB_MEMCACHED即可：
shell> groupadd mysql
shell> useradd -r -g mysql mysql
shell> tar zxvf mysql-<VERSION>.tar.gz
shell> cd mysql-5.6.13
sh...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...n tremendously. It is an acquired skill. So, let's continue.
Searching the PDF file for === brings me to page 56 of the specification: 11.9.4. The Strict Equals Operator ( === ), and after wading through the specificationalese I find:
11.9.6 The Strict Equality Comparison Algorithm
The comparison x...
How to open every file in a folder?
...
This opens, prints, closes every PDF in a directory using PyPerClip and PyAutoGui. Hope others find this helpful.
– RockwellS
Jun 8 '18 at 22:09
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Mapping two integers to one, in a unique and deterministic way
... -> N mapping. These are used for e.g. dovetailing. Have a look at this PDF for an introduction to so-called pairing functions. Wikipedia introduces a specific pairing function, namely the Cantor pairing function:
Three remarks:
As others have made clear, if you plan to implement a pairing f...