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Java Generics Wildcarding With Multiple Classes
...eters section, at the bottom of the page. You can actually list more than one interface if you wish, using & InterfaceName for each one that you need.
This can get arbitrarily complicated. To demonstrate, see the JavaDoc declaration of Collections#max, which (wrapped onto two lines) is:
publ...
What is the C runtime library?
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Yes, libcmt is (one of several) implementations of the C standard library provided with Microsoft's compiler. They provide both "debug" and "release" versions of three basic types of libraries: single-threaded (always statically linked), mul...
Linux error while loading shared libraries: cannot open shared object file: No such file or director
... libfoo.so.1.0. And if you install version 1.1 without removing the other one, you'll have a libfoo.so.1.1, and libfoo.so.1 and libfoo.so will now point to the new one, but any code that requires that exact version can use the libfoo.so.1.0 file. Code that just relies on the version 1 API, but doe...
Referring to the null object in Python
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In Python, the 'null' object is the singleton None.
The best way to check things for "Noneness" is to use the identity operator, is:
if foo is None:
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share
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im...
What is the shortest function for reading a cookie by name in JavaScript?
... as performant as the looping approach. The tests I'd run previously were done in Chrome, where the regex approach performed modestly better than other approaches. Nonetheless, it's still the shortest which addresses the question being asked.
– Mac
Aug 25 '14 a...
What is JavaScript's highest integer value that a number can go to without losing precision?
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253-1, or
+/- 9,007,199,254,740,991, or
nine quadrillion seven trillion one hundred ninety-nine billion two hundred fifty-four million seven hundred forty thousand nine hundred ninety-one
To put this in perspective: one quadrillion bytes is a petabyte (or one thousand terabytes).
"Safe" in th...
How can i tell if an object has a key value observer attached
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Isn't here any other elegant solution? this one takes at least 2ms per usage... imagine it in a tableviewcell
– João Nunes
Oct 17 '12 at 14:01
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Creating Unicode character from its number
...re either only support unicode up to U+FFFF (the answers dealing with just one instance of char) or don't tell how to get to the actual symbol (the answers stopping at Character.toChars() or using incorrect method after that), so adding my answer here, too.
To support supplementary code points also...
What are the primary differences between TDD and BDD? [closed]
...omparison of BDD and TDD in this video. Also an opinion about BDD as "TDD done right" by Jeremy D. Miller
March 25, 2013 update
The video above has been missing for a while. Here is a recent one by Llewellyn Falco, BDD vs TDD (explained). I find his explanation clear and to the point.
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Protecting executable from reverse engineering?
...code from disassembly and reverse engineering. Normally I would never condone this behavior myself in my code; however the current protocol I've been working on must not ever be inspected or understandable, for the security of various people.
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