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The name 'model' does not exist in current context in MVC3

...toryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> <pages pageBaseType="System.Web.Mvc.WebViewPage"> <namespaces> <add namespace="System.Web.Mvc" /> <add namespace="S...
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what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?

what does -webkit-transform: translate3d(0,0,0); exactly do? Does it have any performance issues? Should I just apply it to the body or individual elements? It seems to improve scroll events drastically. ...
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What is the GAC in .NET?

...s\assembly C:\Windows\assembly>dir Directory of C:\Windows\assembly 07/20/2009 02:18 PM <DIR> GAC 06/17/2009 04:22 PM <DIR> GAC_32 06/17/2009 04:22 PM <DIR> GAC_64 06/17/2009 04:22 PM <DIR> GAC_MSIL ...snip... ...
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?

...ystem should contain plenty information for your quest. My system (2.6.32-40-generic #87-Ubuntu) suggests: /sys/class/tty Which gives you descriptions of all TTY devices known to the system. A trimmed down example: # ll /sys/class/tty/ttyUSB* lrwxrwxrwx 1 root root 0 2012-03-28 20:43 /sys/class/...
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Cleaning `Inf` values from an R dataframe

..., function(x) replace(x, is.infinite(x),NA)))) ## user system elapsed # 0.52 0.01 0.53 # is.na (@dwin) system.time(is.na(dat) <- sapply(dat, is.infinite)) # user system elapsed # 32.96 0.07 33.12 # modified is.na system.time(is.na(dat) <- do.call(cbind,lapply(dat, is.infini...
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How can I do DNS lookups in Python, including referring to /etc/hosts?

... Justin M. Keyes 5,57011 gold badge2727 silver badges5656 bronze badges answered May 10 '10 at 18:36 Jochen RitzelJochen R...
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How can I map True/False to 1/0 in a Pandas DataFrame?

... that has boolean True/False values, but for further calculations I need 1/0 representation. Is there a quick pandas/numpy way to do that? ...
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Generate a random point within a circle (uniformly)

...andom point on BC. Ie. pick a pair of random numbers x and y uniformly on [0,R] giving distances from the center. Our triangle is a thin sliver so AB and BC are essentially parallel. So the point Z is simply a distance x+y from the origin. If x+y>R we fold back down. Here's the complete algorith...
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Getting individual colors from a color map in matplotlib

... import matplotlib cmap = matplotlib.cm.get_cmap('Spectral') rgba = cmap(0.5) print(rgba) # (0.99807766255210428, 0.99923106502084169, 0.74602077638401709, 1.0) For values outside of the range [0.0, 1.0] it will return the under and over colour (respectively). This, by default, is the minimum an...
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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)

... 10 Answers 10 Active ...