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No == operator found while comparing structs in C++
...g imperatives for member ordering (bases being necessarily before members, grouping by accessibility, construction/destruction before dependent use). To be more widely useful, C++ would need a new data member/base annotation system to guide choices - that would be a great thing to have in the Stand...
How to use HTML to print header and footer on every printed page of a document?
...the tfoot element by setting the css style:
tfoot {display: table-footer-group;}
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Is ASCII code 7-bit or 8-bit?
...g is 7-bit, but in practice, characters encoded in ASCII are not stored in groups of 7 bits. Instead, one ASCII is stored in a byte, with the MSB usually set to 0 (yes, it's wasted in ASCII).
You can verify this by inputting a string in the ASCII character set in a text editor, setting the encodin...
Android Game Keeps Getting Hacked [closed]
...o make some serious money you need to do some research on your target user group, and behavioral science. You need to make users playing that bring in new money, and thats it.
Besides, you got it all wrong. Hackers are most active members of your user base, thy just behave in a way you did not inte...
Emacs mode for Stack Overflow's markdown
...ructions from the extension options page.
There is an emacs customization group edit-server with options, most importantly the major mode change per site is configured differently than in @N.N's answer:
(add-to-list 'edit-server-url-major-mode-alist
'("^stackoverflow" . markdown-mode)...
Is Java Regex Thread Safe?
...h of member variables including the text that is being matched, arrays for groups, a few indexes for maintain location and a few booleans for other state. This all points to a stateful Matcher that would not behave well if accessed by multiple Threads. So does the JavaDoc:
Instances of this c...
Exploitable PHP functions
...from filesystem
file_exists
file_get_contents
file
fileatime
filectime
filegroup
fileinode
filemtime
fileowner
fileperms
filesize
filetype
glob
is_dir
is_executable
is_file
is_link
is_readable
is_uploaded_file
is_writable
is_writeable
linkinfo
lstat
parse_ini_file
pathinfo
readfile
readlink
realpath...
Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
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Because Floating Point Math is not Associative. The way you group the operands in floating point multiplication has an effect on the numerical accuracy of the answer.
As a result, most compilers are very conservative about reordering floating point calculations unless they can be sur...
What are the rules about using an underscore in a C++ identifier?
...removes (with #undef) any macro definition of an identifier in the first
group listed above, the behavior is undefined.
154) The list of reserved identifiers with external linkage includes errno, math_errhandling, setjmp, and va_end.
Other restrictions might apply. For example, the POSIX st...
Is mathematics necessary for programming? [closed]
...us on math, and those who went to school for physics or math), but in both groups they enjoyed numerical problems and learning about algorithms and math theory.
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