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Retain precision with double in Java

...of 11.4. Now, a little explanation into why this is happening: The float and double primitive types in Java are floating point numbers, where the number is stored as a binary representation of a fraction and a exponent. More specifically, a double-precision floating point value such as the double...
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Count the number occurrences of a character in a string

...ences of substring sub in the range [start, end]. Optional arguments start and end are interpreted as in slice notation. >>> sentence = 'Mary had a little lamb' >>> sentence.count('a') 4 share | ...
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How do I immediately execute an anonymous function in PHP?

... Thanks @Gordon, that's what I thought. I got the impression that salathe and yes123 weren't happy with this method, and I wondered why. Seems perfectly fine to me. – Bennett McElwee Jun 21 '13 at 10:47 ...
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Exif manipulation library for python [closed]

...nt to check out exif-py: Python library to extract EXIF data from tiff and jpeg files. Very easy to use - $ ./EXIF.py image.jpg or the Python Imaging Library (PIL): The Python Imaging Library (PIL) adds image processing capabilities to your Python interpreter. This library supports many fi...
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“Invalid JSON primitive” in Ajax processing

...l quotation marks ... }) This way jQuery should leave the data alone and send the string as is to the server which should allow ASP.NET to parse the json server side. share | improve this answ...
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Import error: No module name urllib2

...ule has been split across several modules in Python 3 named urllib.request and urllib.error. The 2to3 tool will automatically adapt imports when converting your sources to Python 3. So you should instead be saying from urllib.request import urlopen html = urlopen("http://www.google.com/").read() ...
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dyld: Library not loaded … Reason: Image not found

...libSystem.B.dylib (compatibility version 1.0.0, current version 169.3.0) and for each libboost_xxx.dylib, do: $ install_name_tool -change @executable_path/libboost_something.dylib /opt/local/lib/libboost_something.dylib exefile and finally verify using otool again: $ otool -L exefile exefile: ...
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Convert List to List

... The way to make this work is to iterate over the list and cast the elements. This can be done using ConvertAll: List<A> listOfA = new List<C>().ConvertAll(x => (A)x); You could also use Linq: List<A> listOfA = new List<C>().Cast<A>().ToList()...
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jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class

... See my edited answer. clean and build the app using Maven, and check that the servlet jar is not in the WEB-INF/lib directory in the generated webapp. – JB Nizet Mar 24 '13 at 17:37 ...
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Get Image size WITHOUT loading image into memory

I understand that you can get the image size using PIL in the following fashion 6 Answers ...