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Is it possible to have a multi-line comments in R? [duplicate]

...u can only use such blocks in places where an expression would be syntactically valid - no commenting out parts of lists, say. Regarding what do in which IDE: I'm a Vim user, and I find NERD Commenter an utterly excellent tool for quickly commenting or uncommenting multiple lines. Very user-friendl...
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Syntax error on print with Python 3 [duplicate]

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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How should I organize Python source code? [closed]

...the file -- make this worse, beyond the compiler's requirements. Keep it orderly, and a hierarchy is useful, but try to avoid make-work. – Roboprog Dec 4 '09 at 20:30 add a ...
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Rich vs Anemic Domain Model [closed]

...take the data model as an argument. E.g. public BigDecimal calculateTotal(Order order){ ... } while the rich domain approach inverses this by placing the data interpretation logic into the rich domain model. Thus it puts logic and data together and a rich domain model would look like this: order...
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Are there strongly-typed collections in Objective-C?

... There are no generics in Objective-C. From the Docs Arrays are ordered collections of objects. Cocoa provides several array classes, NSArray, NSMutableArray (a subclass of NSArray), and NSPointerArray. share ...
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Show a popup/message box from a Windows batch file

... I would make a very simple VBScript file and call it using CScript to parse the command line parameters. Something like the following saved in MessageBox.vbs: Set objArgs = WScript.Arguments messageText = objArgs(0) MsgBox messageText Which you would call like: cscr...
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Do I cast the result of malloc?

...chael Anderson () issue aside, note that your suggested style switched the order., Consider when element count is computed like length*width, keeping the sizeof first in this case insures multiplication is done with at least size_t math. Compare malloc(sizeof( *ptr) * length * width) vs. malloc(l...
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Find and copy files

...intent is to copy the found files into /home/shantanu/tosend, you have the order of the arguments to cp reversed: find /home/shantanu/processed/ -name '*2011*.xml' -exec cp "{}" /home/shantanu/tosend \; Please, note: the find command use {} as placeholder for matched file. ...
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How do I efficiently iterate over each entry in a Java Map?

... Yes, the order depends on the specific Map implementation. @ScArcher2 has the more elegant Java 1.5 syntax. In 1.4, I would do something like this: Iterator entries = myMap.entrySet().iterator(); while (entries.hasNext()) { Entry ...
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HTML5 textarea placeholder not appearing

...ayed since the input area contains content (a newline character is, technically, valid content). Good: <textarea></textarea> Bad: <textarea> </textarea> Update (2020) This is not true anymore, according to the HTML5 parsing spec: If the next token is a U+000A LINE FEED (LF)...