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In the Java programming language, heap pollution is a situation that arises when a variable of a parameterized type refers to an object that is not of that parameterized type. [1] This situation is normally detected during compilation and indicated with an unchecked warning . [ 1 ]
The Packrat parser is a type of parser that shares similarities with the recursive descent parser in its construction. However, it differs because it takes parsing expression grammars (PEGs) as input rather than LL grammars .
C# has a built-in data type decimal consisting of 128 bits resulting in 28–29 significant digits. It has an approximate range of ±1.0 × 10 −28 to ±7.9228 × 10 28. [1] Starting with Python 2.4, Python's standard library includes a Decimal class in the module decimal. [2] Ruby's standard library includes a BigDecimal class in the module ...
Context-free languages are a category of languages (sometimes termed Chomsky Type 2) which can be matched by a sequence of replacement rules, each of which essentially maps each non-terminal element to a sequence of terminal elements and/or other nonterminal elements.
Unlike the DOM parser, the SAX parser does not create an in-memory representation of the XML document and so runs faster and uses less memory. Instead, the SAX parser informs clients of the XML document structure by invoking callbacks, that is, by invoking methods on an DefaultHandler instance provided to the parser.
Those subtrees are not yet joined together because the parser has not yet reached the right end of the syntax pattern that will combine them. Shift-reduce parse tree built bottom-up in numbered steps. Consider the string A = B + C * 2. At step 7 in the example, only "A = B +" has been parsed. Only the shaded lower-left corner of the parse tree ...
push 2.0f on the stack fdiv 6e 0110 1110 value1, value2 → result divide two floats fload 17 0001 0111 1: index → value load a float value from a local variable #index: fload_0 22 0010 0010 → value load a float value from local variable 0 fload_1 23 0010 0011 → value load a float value from local variable 1 fload_2 24 0010 0100 → value
1 ⁄ 7: 0. 142 857: 0.142 857: 0.000 000 142 857: ln 2: 0.693 147 180 559 945 309 41... 0.693 147: 0.000 000 180 559 945 309 41... log 10 2: 0.301 029 995 663 981 195 21... 0.3010: 0.000 029 995 663 981 195 21... 3 √ 2: 1.259 921 049 894 873 164 76... 1.25992: 0.000 001 049 894 873 164 76... √ 2: 1.414 213 562 373 095 048 80... 1.41421: 0. ...