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Booleans, conditional operators and autoboxing

... of returnsNull()) to make it type boolean. This of course causes the NPE from the null returned at run-time. For E2, types of the 2nd and 3rd operands are <special null type> (not Boolean as in E1!) and boolean respectively, so no specific typing clause applies (go read 'em!), so the final "...
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Using the “final” modifier whenever applicable in Java [closed]

...ticing the word itself and will simply think, that-thing-will-never-change-from-this-point-on (you can take it from me ;-) I think it's good practice. I am not using it all the time, but when I can and it makes sense to label something final I'll do it. ...
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Why (0-6) is -6 = False? [duplicate]

... All integers from -5 to 256 inclusive are cached as global objects sharing the same address with CPython, thus the is test passes. This artifact is explained in detail in http://www.laurentluce.com/posts/python-integer-objects-implementa...
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How to prevent ajax requests to follow redirects using jQuery

...he another level of abstraction or the network stack. For example the data from the XMLHttpRequest can be retrieved from the HTTP proxy or from the local browser cache, and it's the part of HTTP protocol. Mostly the server which provide the data and not the client can influence on caching. You can ...
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How to reload a page using JavaScript

... 1.2 window.location.reload(false); // If we needed to pull the document from // the web-server again (such as where the document contents // change dynamically) we would pass the argument as 'true'. share | ...
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How to convert a number to string and vice versa in C++

...ert a string to a number in C++03 The most lightweight option, inherited from C, is the functions atoi (for integers (alphabetical to integer)) and atof (for floating-point values (alphabetical to float)). These functions take a C-style string as an argument (const char *) and therefore their usag...
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Finding local IP addresses using Python's stdlib

...e IP address instead of a domain name -- it must be faster and independent from DNS availability. E.g. we can use 8.8.8.8 IP -- Google's public DNS server. – wobmene Apr 16 '12 at 12:27 ...
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How to input a regex in string.replace?

...lt;/[1> and then there are cases ... where the<[99> number ranges from 1-100</[99>. and there are many other lines in the txt files with<[3> such tags </[3>""" result = pattern.sub("", subject) print(result) If you want to learn more about regex I recomend to read Reg...
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How do I build a numpy array from a generator?

...One google behind this stackoverflow result, I found that there is a numpy.fromiter(data, dtype, count). The default count=-1 takes all elements from the iterable. It requires a dtype to be set explicitly. In my case, this worked: numpy.fromiter(something.generate(from_this_input), float) ...
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Retaining file permissions with Git

...www directory . My hope was that I would then be able to push web content from our dev server to github, pull it to our production server, and spend the rest of the day at the pool. ...