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Converting a Uniform Distribution to a Normal Distribution
...so shared by the inverse CDF method. See cimat.mx/~src/prope08/randomgauss.pdf . This can be alleviated by using a uniform RNG which has non zero probability to yield a floating point number very close to zero. Most RNG do not, since they generate a (typically 64 bit) integer which is then mapped to...
Generate random numbers with a given (numerical) distribution
...se home-grown solutions just weren't succinct enough for your liking. :-)
pdf = [(1, 0.1), (2, 0.05), (3, 0.05), (4, 0.2), (5, 0.4), (6, 0.2)]
cdf = [(i, sum(p for j,p in pdf if j < i)) for i,_ in pdf]
R = max(i for r in [random.random()] for i,c in cdf if c <= r)
I pseudo-confirmed that th...
Linux equivalent of the Mac OS X “open” command [closed]
...ngs correctly open in VLC, .txt files open in less (instead of gedit) and .pdf files simply fail to open! ( Error: no "view" mailcap rules found for type "application/pdf")
– MestreLion
Sep 11 '12 at 21:36
...
那些我印象深刻的建议和教诲 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...我叫去说：给你们讲讲JUnit, SVN，Ant, JBuilder的用法，明天开始用。这四样东西我以前都没有接触过，第一反应就是在QQ上跟同学抱怨这家公司不人性，得到的答复却是“赶紧学，赚到了，我们这还不让用呢”，于是我硬着头皮全...
ListCtrl 重绘（Custom Draw） - C/C++ - 清泛网 - 专注C/C++及内核技术
...要的，其余的可以让Windows为你代劳。
好了，现在你可以开始为你的ListCtrl添加Custom Draw去做一些个性化的事情了。你首先要有正确的Comm Ctrl Dll版本，然后Windows会为你发送NM_CUSTOMDRAW消息，你只需要添加一个处理函数以便开始使...
How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
...lick Save.
The diagram is exported. To export in a vector format, use To PDF File, instead. This allows for simplified editing using Inkscape (or other vector image editor).
These instructions may work for SQL Developer 3.2.09.23 to 4.1.3.20.
...
Generating HTML email body in C#
...;
var file = new Attachment(fileStream, MediaTypeNames.Application.Pdf);
file.Name = "FILE.PDF";
msg.Attachments.Add(file);
// Send the email
var client = new SmtpClient(...);
client.Credentials = new NetworkCredential(...);
client.Send(msg)...
How to use the “number_to_currency” helper method in the model rather than view?
...swer.
If you think “but I really need this to write my to_csv & to_pdf methods in my model!”, then your entire premise is wrong—after all, you don’t have a to_html method, do you? And yet your object is very often rendered as HTML. Consider creating a new class for generating your outp...
PHP开源导航网站（114la）安装体验 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...后台的开源导航网站。
比较有名气的是114la开源导航，下载地址：http://open.114la.com/
下面，笔者带领大家体验一下：
首先是下载，安装，按照步骤来，下面是其中几步的截图：
这里不得不吐槽一下，明明是官网下载的是2.0...
创业公司刷单造假泛滥 部分企业不堪重负倒闭 - 资讯 - 清泛网 - 专注C/C++...
...也会被计入到软件总点击量中；有时玩游戏为了过关必须下载一个App，下载后又发现手机上同时又多捆绑安装了一个新的App，这些都与刷单有关。”张欢介绍，还有的刷单商能直接通过技术人员在后台修改软件统计的总用户量和...