Search Results
Search type | Search syntax |
---|---|
Tags | [tag] |
Exact | "words here" |
Author |
user:1234 user:me (yours) |
Score |
score:3 (3+) score:0 (none) |
Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
Views | views:250 |
Code | code:"if (foo != bar)" |
Sections |
title:apples body:"apples oranges" |
URL | url:"*.example.com" |
Saves | in:saves |
Status |
closed:yes duplicate:no migrated:no wiki:no |
Types |
is:question is:answer |
Exclude |
-[tag] -apples |
For more details on advanced search visit our help page |
Use this tag for code that parses its input, or that is source for a parser generator such as yacc or lex.
15
votes
Parser written in PHP is 5.6x faster than the same C++ program in a similar test (g++ 4.8.5)
Stop allocating memory:
Don't copy vectors around, pass by const ref instead
Don't make new strings when a string_view will do
Don't make new vectors when you can reuse the old one
Don't make a strin …