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Is R's apply family more than syntactic sugar?

... sapply function in snow: library(snow) cl <- makeSOCKcluster(c("localhost","localhost")) parSapply(cl, 1:20, get("+"), 3) This example uses a socket cluster, for which no additional software needs to be installed; otherwise you will need something like PVM or MPI (see Tierney's clustering pag...
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Should I use SVN or Git? [closed]

... SVN is one repo and lots of clients. Git is a repo with lots of client repos, each with a user. It's decentralised to a point where people can track their own edits locally without having to push things to an external server. SVN is designed to be more central where Git is based on each user havin...
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How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc

...erldoc lib Perl Module Mechanics - a great guide containing practical HOW-TOs How do I 'use' a Perl module in a directory not in @INC? Programming Perl - chapter 31 part 13, ch 7.2.41 How does a Perl program know where to find the file containing Perl module it uses? There does not seem to be a co...
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Handling click events on a drawable within an EditText

... return false; } }); we getRawX() because we want to get the actual position of touch on screen, not relative to parent. To get left side click if(event.getRawX() <= (editComment.getCompoundDrawables()[DRAWABLE_LEFT].getBounds().width())) ...
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What is the difference between the states selected, checked and activated in Android?

I'd like to know what differs those states. I didn't find any webpage clarifying this. 3 Answers ...
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How to change the style of the title attribute inside an anchor tag?

...hed; text-decoration: none } a.tip:hover { cursor: help; position: relative } a.tip span { display: none } a.tip:hover span { border: #c0c0c0 1px dotted; padding: 5px 20px 5px 5px; display: block; z-index: 100; background: url(../images/status-info....
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Qt events and signal/slots

... the Metaclass (have a look at your moc_classname.cpp file for more), but most of the interclass communication that you will produce will probably use signals and slots. Signals can get delivered immediately or deferred via a queue (if you are using threads). A signal can be generated. ...
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Best practice for nested fragments in Android 4.0, 4.1 (

... Limitations So nesting fragments inside another fragment is not possible with xml regardless of which version of FragmentManager you use. So you have to add fragments via code, this might seem like a problem, but in the long run makes your layouts superflexible. So nesting without using ...
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Stack smashing detected

...-protector while compiling. In that case you will get a different error, most likely a segmentation fault as you are trying to access an illegal memory location. Note that -fstack-protector should always be turned on for release builds as it is a security feature. You can get some information abo...
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How to pull request a wiki page on GitHub?

... GitHub doesn't support pull requests for the wiki repository, only the main repository (this is a bit of a shame, IMO, but I can understand it). Here's an interesting way one project manages community updates to their wiki, while still keeping tight control, as for source code...