.../sad-tragedy-of-microoptimization or sitepen.com/blog/2008/05/09/string-performance-an-analysis etc. Also, this question involves only 5 concatenations. – Alex Reece May 7 '13 at 22:34 ...

...eprocessor-driven.) To do the converse (i.e. print out a number in binary form), you can use the non-portable itoa function, or implement your own. Unfortunately you cannot do base 2 formatting with STL streams (since setbase will only honour bases 8, 10 and 16), but you can use either a std::stri...

...ing. This is assuming you're creating the regexes and replacements in the form of Java String literals. If you create them any other way (e.g., by reading them from a file), you don't have to do all that double-escaping. If you have a linefeed character in the input and you want to replace it wit...

...r programs. Theoretically an abstraction is defined as "a general concept formed by extracting common features from specific examples". However for the sake of this explanation we're going to use the aforementioned definition instead. Now some objects have a lot of things in common. For example a ...

... single piece of data with more than three states which requires different formatting in each case? You may be able to force a CSS style into the data itself, but then you're pushing view-level concerns into your data. I can imagine sensible cases for an if/elseif/endif construct (or even a switch/m...

...ute PHP code: include/require can be used for remote code execution in the form of Local File Include and Remote File Include vulnerabilities. eval() assert() - identical to eval() preg_replace('/.*/e',...) - /e does an eval() on the match create_function() include() include_once() require() requi...

... Interestingly, if you have a frame, image, or form named 'location', then 'document.location' provides a reference to the frame window, image, or form, respectively, instead of the Location object. Apparently, this is because the document.forms, document.images, and wind...

... Create a form, use the POST method, submit the form - there's no need for an iframe. When the server page responds to the request, write a response header for the mime type of the file, and it will present a download dialog - I've do...

...rowly as The request could not be understood by the server due to malformed syntax So it might have been argued that it was inappropriate for semantic errors. But not any more; since June 2014 the relevant standard RFC 7231, which supersedes the previous RFC2616, gives the use of 400 (Bad Re...

...the same number of bits for each portion. For example, if your fixed point format was in decimal IIIII.FFFFF then the largest number you could represent would be 99999.99999 and the smallest non-zero number would be 00000.00001. Every bit of code that processes such numbers has to have built-in know...