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A fast method to round a double to a 32-bit int explained

...o bad, but on later processors that started to get super-scalar and out-of-order execution, altering the fp rounding mode generally seriales the CPU core and is quite expensive. So on a CPU like a Pentium-III or Pentium-IV, this overall cost is quite high -- a normal fp->int conversion is 10x or...
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Create Pandas DataFrame from a string

In order to test some functionality I would like to create a DataFrame from a string. Let's say my test data looks like: ...
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Setting variable to NULL after free

...roblem in such cases is to review and rethink the structure of the code in order to avoid the situation when the same pointer is passed to free more than once. In such cases setting the pointer to NULL and considering the problem "fixed" is nothing more than an attempt to sweep the problem under the...
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Initialization of an ArrayList in one line

...ation as List, you sill need to use List l = new ArrayList(asList(...)) in order to get an object that doesn't throw OperationNotSupported exceptions. Liskov Substitution Principle anyone? – Splash Apr 12 '12 at 0:50 ...
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fatal: Not a valid object name: 'master'

... But you need a new branch in order to push into master. – Sören Jul 23 '18 at 17:13 1 ...
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Python argparse: How to insert newline in the help text?

... the right direction above. But that solution needs slight modification in order to format description section. Anyway, custom formatter is needed. I extended existing HelpFormatter class and overrode _fill_text method like this: import textwrap as _textwrap class MultilineFormatter(argparse.HelpF...
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How to turn off caching on Firefox?

During development I have to "clear cache" in Firefox all the time in order to make it use the latest version of JavaScript files. ...
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Extract month and year from a zoo::yearmon object

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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Erasing elements from a vector

...terested in how many times an element has been added to your vector or the order the elements were added. share | improve this answer | follow | ...
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Maintain model of scope when changing between views in AngularJS

...roblem is the same as the question, the controller always refresh data, in order to avoid this behavior I did what people suggest above and I created a service for that purpose, then pass it to the controller as follows: app.factory('otisService', function($http){ var service = { ...