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Split a vector into chunks in R
...ve to split a vector into n chunks of equal size in R. I couldn't find any base function to do that. Also Google didn't get me anywhere. So here is what I came up with, hopefully it helps someone some where.
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Understanding the Event Loop
...ad?" or "Hey OS, any of my outstanding filesystem calls have data ready?". Based upon its internal algorithm and event loop engine design, node will select one "tick" of JavaScript to execute, run it, then repeat the process all over again. That's what is meant by the event loop. Node is basically a...
How to uninstall the “Microsoft Advertising SDK” Visual Studio extension?
...ds.
Edit: @Max actually posted a forked version of this. This one is file based setup with a command line interface. I use it to script the cleanup as post visual studio install.
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推荐系统算法初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...很多电商网站上都有用到。CF算法包括基于用户的CF(User-based CF)和基于物品的CF(Item-based CF)。
基于用户的CF原理如下：
分析各个用户对item的评价（通过浏览记录、购买记录等）；
依据用户对item的评价计算得出所有用户之间的...
Interfaces — What's the point?
...efore each call to Prepare will automatically prepare each pizza correctly based on its type, even if the collection has multiple types of pizzas.
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How to use ELMAH to manually log errors
...ltering rules to the exception. Log method does not.
Raise is subscription based and is able to log one exception into the several loggers.
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Can you have multiline HTML5 placeholder text in a ?
..." cols="35"></textarea>
JsFiddle snippet.
Expected result
Based on comments it seems some browser accepts this hack and others don't.
This is the results of tests I ran (with browsertshots and browserstack)
Chrome: >= 35.0.1916.69
Firefox: >= 35.0 (results varies on platform)...
Xcode stops working after set “xcode-select -switch”
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@VikasSingh + abhishek the path will differ based on where you have xcode installed. For example if your xcode is called "Xcode 5.0.app" then the path would be: /Applications/Xcode\ 5.0.app/Contents/Developer
– Geoff
Dec 19 '13 at...
How to print without newline or space?
...like "How to printf in python?"
Since people may come here looking for it based on the title, Python also supports printf-style substitution:
>>> strings = [ "one", "two", "three" ]
>>>
>>> for i in xrange(3):
... print "Item %d: %s" % (i, strings[i])
...
Item 0: one...
What does the forward slash mean in the CSS font shorthand?
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12px is the font size, 18px is the line height.
The syntax is based on typographical notation for specifying the respective sizes, and is only applicable to the font shorthand property. In other words, the above declaration simply expands to the following:
font-size: 12px;
line-height:...