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change type of input field with jQuery

...ut field (with id="password" ) that is of type password to a normal text field, and then fill in the text “Password”. ...
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How to get all Errors from ASP.Net MVC modelState?

...tate entries with empty string for Value.ErrorMessage and instead a Value.Exception.Message – AaronLS Sep 16 '14 at 1:12 ...
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List of lists into numpy array

... work. Instead there are at least 3 options: 1) Make an array of arrays: x=[[1,2],[1,2,3],[1]] y=numpy.array([numpy.array(xi) for xi in x]) type(y) >>><type 'numpy.ndarray'> type(y[0]) >>><type 'numpy.ndarray'> 2) Make an array of lists: x=[[1,2],[1,2,3],[1]] y=num...
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How can I represent an infinite number in Python?

...rt math test = math.inf And then: test > 1 test > 10000 test > x Will always be true. Unless of course, as pointed out, x is also infinity or "nan" ("not a number"). Additionally (Python 2.x ONLY), in a comparison to Ellipsis, float(inf) is lesser, e.g: float('inf') < Ellipsis w...
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How can I remove all objects but one from the workspace in R?

...imple construct that will do it, by using setdiff: rm(list=setdiff(ls(), "x")) And a full example. Run this at your own risk - it will remove all variables except x: x <- 1 y <- 2 z <- 3 ls() [1] "x" "y" "z" rm(list=setdiff(ls(), "x")) ls() [1] "x" ...
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GCC dump preprocessor defines

... Yes, use -E -dM options instead of -c. Example (outputs them to stdout): gcc -dM -E - < /dev/null For C++ g++ -dM -E -x c++ - < /dev/null From the gcc manual: Instead of the normal output, generate a list of `#define' directives for all the ma...
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image processing to improve tesseract OCR accuracy

I've been using tesseract to convert documents into text. The quality of the documents ranges wildly, and I'm looking for tips on what sort of image processing might improve the results. I've noticed that text that is highly pixellated - for example that generated by fax machines - is especially di...
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What's the false operator in C# good for?

...tors can't be overridden, but if you override |, &, true and false in exactly the right way the compiler will call | and & when you write || and &&. For example, look at this code (from http://ayende.com/blog/1574/nhibernate-criteria-api-operator-overloading - where I found out abou...
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How can I compare two lists in python and return matches

... What would be the time complexity of the first example set(a) & set(b) ? – AdjunctProfessorFalcon May 19 '17 at 1:56 ...
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How can I read command line parameters from an R script?

... Dirk's answer here is everything you need. Here's a minimal reproducible example. I made two files: exmpl.bat and exmpl.R. exmpl.bat: set R_Script="C:\Program Files\R-3.0.2\bin\RScript.exe" %R_Script% exmpl.R 2010-01-28 example 100 > exmpl.batch 2>&1 Alternatively, using Rterm.exe: ...