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Saving a Numpy array as an image

...Works with matplotlib 1.3.1, I don't know about lower version. From the docstring: Arguments: *fname*: A string containing a path to a filename, or a Python file-like object. If *format* is *None* and *fname* is a string, the output format is deduced from the extension of the filename...
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How to determine the memory footprint (size) of a variable?

...g support since the 2.* version. Please search for the "removed functions" string here: http://www.xdebug.org/updates.php Removed functions Removed support for Memory profiling as that didn't work properly. Other Profiler Options php-memory-profiler https://github.com/arnaud-lb/php-memory-profiler...
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What is an idiomatic way of representing enums in Go?

... A very simple way to create an object that starts to look and feel like a string enum in Python would be: package main import ( "fmt" ) var Colors = newColorRegistry() func newColorRegistry() *colorRegistry { return &colorRegistry{ Red: "red", Green: "green", ...
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What is the canonical way to determine commandline vs. http execution of a PHP script?

...example inspects the first 3 characters, whilst the description states the string should be exactly "cgi" but, other than that, I think this is perfect. – Bobby Jack Oct 6 '08 at 11:17 ...
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When is it acceptable to call GC.Collect?

...h to be posted here for example), that shows the difference between looped string concatenation and StringBuilder. If I need something precise, then this would be two completely independent tests - but often this is enough if we just want to minimize (or normalize) the GC during the tests to get a ...
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Underscore: sortBy() based on multiple attributes

...s solution ended up using the second one since my attributes could be both strings and numbers. So there doesn't seem to be a simple native way to sort arrays? – Christian R May 11 '13 at 11:00 ...
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What are the “standard unambiguous date” formats for string-to-date conversion in R?

... This is documented behavior. From ?as.Date: format: A character string. If not specified, it will try '"%Y-%m-%d"' then '"%Y/%m/%d"' on the first non-'NA' element, and give an error if neither works. as.Date("01 Jan 2000") yields an error because the format isn'...
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What is simplest way to read a file into String? [duplicate]

I am trying to read a simple text file into a String. Of course there is the usual way of getting the input stream and iterating with readLine() and reading contents into String. ...
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Writing Unicode text to a text file?

...you first get them and encoding them as necessary on the way out. If your string is actually a unicode object, you'll need to convert it to a unicode-encoded string object before writing it to a file: foo = u'Δ, Й, ק, ‎ م, ๗, あ, 叶, 葉, and 말.' f = open('test', 'w') f.write(foo.encod...
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From io.Reader to string in Go

... EDIT: Since 1.10, strings.Builder exists. Example: buf := new(strings.Builder) n, err := io.Copy(buf, r) // check errors fmt.Println(buf.String()) OUTDATED INFORMATION BELOW The short answer is that it it will not be efficient because co...