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Convert int to ASCII and back in Python

...t applicable. I had arrived on this question based on the title, literally converting an integer to ascii text as if the integer has ascii encoded data embedded in its bytes. I posted this answer in the event others arrived here with the same desired outcome. – Matthew Davis ...
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Why do Python's math.ceil() and math.floor() operations return floats instead of integers?

...vident in your comment: The whole point of ceil/floor operations is to convert floats to integers! The point of the ceil and floor operations is to round floating-point data to integral values. Not to do a type conversion. Users who need to get integer values can do an explicit conversion fo...
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how to convert array values from string to int?

returns 14 Answers 14 ...
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Fast permutation -> number -> permutation mapping algorithms

...lation w[k-1] = k! is easily proved by induction.) The number we get from converting our sequence will then be the sum of s[k] * w[k], with k running from 0 to n-1. Here s[k] is the k'th (rightmost, starting at 0) element of the sequence. As an example, take our {1, 2, 0, 1, 0}, with the rightmost ...
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What does “dereferencing” a pointer mean?

... case f: p_filename = optarg; break; } if (p_filename) // Only NULL converts to false ... // Only get here if -f flag specified In C and C++, just as inbuilt numeric types don't necessarily default to 0, nor bools to false, pointers are not always set to NULL. All these are set to 0/f...
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How to find out line-endings in a text file?

...e testfile2.txt testfile2.txt: ASCII text, with CRLF line terminators To convert from "DOS" to Unix: $ dos2unix testfile2.txt To convert from Unix to "DOS": $ unix2dos testfile1.txt Converting an already converted file has no effect so it's safe to run blindly (i.e. without testing the forma...
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How to define an empty object in PHP

... $o=(object)NULL; -- If an object is converted to an object, it is not modified. If a value of any other type is converted to an object, a new instance of the stdClass built-in class is created. If the value was NULL, the new instance will be empty. Arrays conve...
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How to convert a Hibernate proxy to a real entity object

During a Hibernate Session , I am loading some objects and some of them are loaded as proxies due to lazy loading. It's all OK and I don't want to turn lazy loading off. ...
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Converting a view to Bitmap without displaying it in Android?

I will try to explain what exactly I need to do. 9 Answers 9 ...
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Test if string is a guid without throwing exceptions?

I want to try to convert a string to a Guid, but I don't want to rely on catching exceptions ( 18 Answers ...