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Is there a builtin identity function in python?

... added advantages/drawbacks of the two in order not to mislead anyone. And now, I really believe there should have been a builtin function that accepts any number of parameters and is a true identity :) – rds Jan 5 '12 at 19:14 ...
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Passing command line arguments to R CMD BATCH

... R CMD BATCH my_script.R from a terminal to execute an R script. I am now at the point where I would like to pass an argument to the command, but am having some issues getting it working. If I do R CMD BATCH my_script.R blabla then blabla becomes the output file, rather than being interpre...
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Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]

I have been googling for about 90 minutes now and still don't have an answer to this. Where do I set default_url_options ? I've already set it for config.action_mailer.default_url_options to solve this same bug elsewhere, but now I'm getting this error when trying to use a URL helper inside an ...
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What is stdClass in PHP?

... I hope you know that object isn't the derived class of "all" objects in Python... At least, not until you are forced to derive from object in Python 3.0 – monokrome Sep 21 '10 at 23:35 ...
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How to optimize for-comprehensions and loops in Scala?

... Now, in 2014, I tested this again and for me performance is the following: java -> 0.3s; scala -> 3.6s; scala optimized -> 3.5s; scala functional -> 4s; Looks much better than 3 years ago, but... Still th...
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Easier way to create circle div than using an image?

...ering if there's an easier way to create circular divs than what I'm doing now. 14 Answers ...
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NHibernate vs LINQ to SQL

...o hasn't used either technology on real-world projects I wonder if anyone knows how these two complement each other and how much their functionalities overlap? ...
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How to Correctly handle Weak Self in Swift Blocks with Arguments

...e closure use [weak self]. If self will never be nil in the closure use [unowned self]. If it's crashing when you use [unowned self] I would guess that self is nil at some point in that closure, which is why you had to go with [weak self] instead. I really liked the whole section from the manual...
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Android Quick Actions UI Pattern

... (the official Twitter app is now maintained by Twitter itself...won't be open sourced contrary to what they announced initially) – Juri Feb 28 '11 at 6:38 ...
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UnicodeDecodeError when redirecting to file

...character list is included in the Unicode standard; it covers most of the known characters. On the other hand, computers do need to represent abstract characters in some way: for this, they use arrays of bytes (numbers between 0 and 255 included), because their memory comes in byte chunks. The nece...