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Specifying colClasses in the read.csv
... one can probably use the following to read the first line of the csv and determine how many columns there are. scan(csv,sep=',', what="character" , nlines=1 )
– defoo
May 10 '10 at 19:53
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git push says “everything up-to-date” even though I have local changes
I have a remote gitosis server and a local git repository, and each time I make a big change in my code, I'll push the changes to that server too.
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What is [Serializable] and when should I use it?
...lization
Serialization allows the developer to save the state of an object and recreate it as needed, providing storage of objects as well as data exchange. Through serialization, a developer can perform actions like sending the object to a remote application by means of a Web Service, passing an ob...
CSS: transition opacity on mouse-out?
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You're applying transitions only to the :hover pseudo-class, and not to the element itself.
.item {
height:200px;
width:200px;
background:red;
-webkit-transition: opacity 1s ease-in-out;
-moz-transition: opacity 1s ease-in-out;
-ms-transition: opacity 1s ease-in-out;
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Side-by-side plots with ggplot2
...ut as an alternative to grid.arrange. See the answer by @claus-wilke below and this vignette for an equivalent approach; but the function allows finer controls on plot location and size, based on this vignette.
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Green Bars in Visual Studio 2010
...ens things are in Visual Studio 2010. What are they for? They look pretty random but of course they have to have some meaning. Can any one tell me?
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Boolean.hashCode()
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1231 and 1237 are just two (sufficiently large) arbitrary prime numbers. Any other two large prime numbers would do fine.
Why primes?
Suppose for a second that we picked composite numbers (non-primes), say 1000 and 2000. When ins...
How to check whether dynamically attached event listener exists or not?
...);
}
Creating special attribute for an element when listener is attached and then checking if it exist.
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Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]
One mistake I see people making over and over again is trying to parse XML or HTML with a regex. Here are a few of the reasons parsing XML and HTML is hard:
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How to deal with “data of class uneval” error from ggplot2?
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No its not! and yes you will! Glad I could steer you in the right direction and now its here for posterity.
– Justin
May 10 '13 at 16:39
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