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Bad class file magic or version
I already know that question has been already asked very often and answers, but no one of the answers i found fixed my problem.
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what is the difference between a portlet and a servlet?
...ser has lots of parts, think tiles, each coming from a different portlet.
Now, you can get that "tiled" effect from normal servets (See Struts + Tiles for an example of how) the extra bit from the portlets is that the portlets are in a richer environment provided by the Portal, extra APIs are provi...
Is floating point math broken?
... floating-point arithmetic issues is What Every Computer Scientist Should Know About Floating-Point Arithmetic. For an easier-to-digest explanation, see floating-point-gui.de.
Side Note: All positional (base-N) number systems share this problem with precision
Plain old decimal (base 10) numbers ha...
How to make my custom type to work with “range-based for loops”?
...f this defect report.
The way to make a for(:) loop work on your type X is now one of two ways:
Create member X::begin() and X::end() that return something that acts like an iterator
Create a free function begin(X&) and end(X&) that return something that acts like an iterator, in the same ...
Centering a div block without the width
...e a problem when I try to center the div block "products" because I don't know in advance the div width. Anybody have a solution?
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What is dynamic programming? [closed]
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Dynamic programming is when you use past knowledge to make solving a future problem easier.
A good example is solving the Fibonacci sequence for n=1,000,002.
This will be a very long process, but what if I give you the results for n=1,000,000 and n=1,000,001? Sudde...
Socket.IO Authentication
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@Alfred that link seems to be dead now :(
– Pro Q
Aug 8 '16 at 4:28
@Alfred's ...
How to change the remote repository for a git submodule?
...y, a patch has been submitted in April 2009 to clarify gitmodule role.
So now the gitmodule documentation does not yet include:
The .gitmodules file, located in the top-level directory of a git working tree, is a text file with a syntax matching the requirements -of linkgit:git-config1.
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Titlecasing a string with exceptions
...id not hit your edge case. Ex: titlecase('one 4 two') -> 'One 4 Two'. Now titlecase('1one') -> '1one', but '1one'.title() -> '1One'. though this later case is an edge case and I'm not sure '1One' is the correct titling. I'm also not concerned enough to grab my grammar book.
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Why does C++ not allow inherited friendship?
...g along the lines of virtual friend class Foo; puzzles me. Does anyone know the historical background behind this decision? Was friendship really just a limited hack that has since found its way into a few obscure respectable uses?
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