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Is arr.__len__() the preferred way to get the length of an array in Python?
...eptually a sequence.
For a complete list of interfaces, have a look here: http://docs.python.org/reference/datamodel.html#basic-customization
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How to indent a few lines in Markdown markup?
...whether or not you're using the right tool here. Check out Gruber's docs:
http://daringfireball.net/projects/markdown/syntax#html
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How can two strings be concatenated?
...GAD,AB"
I found this from Google by searching for R concatenate strings: http://stat.ethz.ch/R-manual/R-patched/library/base/html/paste.html
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How to use NSJSONSerialization
...simple, this code uses synchronous requests.
NSString *urlString = @"http://api.openweathermap.org/data/2.5/weather?q=London,uk"; // The Openweathermap JSON responder
NSURL *url = [[NSURL alloc]initWithString:urlString];
NSURLRequest *request = [NSURLRequest requestWithURL:url...
How to add local jar files to a Maven project?
...t;group-id>: the group that the file should be registered under e.g → com.google.code
<artifact-id>: the artifact name for the file e.g → kaptcha
<version>: the version of the file e.g → 2.3
<packaging>: the packaging of the file e.g. → jar
Reference
Maven FAQ: I h...
Is it possible to search for a particular filename on GitHub?
... there is also this search filename:user.rb
Found on: https://help.github.com/articles/searching-code/
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Operational Transformation library?
...rts of Google Wave's OT implementation are Open Source (and more parts are coming).
I'm not sure if this is what you are looking for, but an alternative to OT is Differential Synchronization:
Google-Diff-Match-Patch - Diff, Match and Patch libraries for Plain Text: "The Diff Match and Patch libra...
JavaScript file upload size validation
...omplete example:
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-type" content="text/html;charset=UTF-8">
<title>Show File Data</title>
<style type='text/css'>
body {
font-family: sans-serif;
}
</style>
<script type='text/javascript'>...
ASP.NET MVC How to convert ModelState errors to json
... To get the same output like from Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState); you should use var errorList = modelState.Where(elem => elem.Value.Errors.Any()) .ToDictionary( kvp => kvp.Key, kvp => kvp.Value.Errors.Select(e => string....
C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...s == &rhs)
return *this;
运行结果如下图：
原文地址：http://blog.csdn.net/hackbuteer1/article/details/7561235
C++ 智能指针 设计 使用