Recent questions tagged Parsing

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parsing - Antlr v3 error with parser/lexer rules

I am having problems with my Antlr grammar. I'm trying to write a parser rule for 'typedident' which can ... this problem has now been solved. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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520 views

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parsing - Generate parser that runs a received parser on the output of another parser and monadically joins the results

given the following type and function, meant to parse a field of a CSV field into a string: type Parser ... underlying monad good for anyway? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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parsing - python UnicodeEncodeError > How can I simply remove troubling unicode characters?

Heres what I did.. >>> soup = BeautifulSoup (html) >>> soup Traceback (most recent call last): File "< ... Or is there any cleaner solution ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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664 views

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parsing - Perl - Parse URL to get a GET Parameter Value

How to get the value of a parameter code using URI::URL Perl module? From this link: http://www.someaddress ... of obsolete). Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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710 views

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parsing - Is it possible to have two or more Lex/Yacc parsers in the same application

I have an application where I already have a parser for one sort of grammar and I need to add a second ... entry point? Thanks david allan finch See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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745 views

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parsing - Converting hexadecimal numbers in strings to negative numbers, in Perl

I have a bunch of numbers represented as hexadecimal strings in log files that are being parsed by a Perl ... a tutorial or other resource? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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786 views

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parsing - Mathematical expression (string) to number in Java

I'm trying to find something like Java Embedding Plugin (JEP) that can evaluate a mathematical formula ( ... sourceforge.net/projects/calex/. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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654 views

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parsing - How to get exact command line string from shell?

I know about $*, $@, "$@" and even ${1+"@"} and what they mean. I need to get access to the EXACT ... 2" 3 Any idea how to achieve this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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parsing - In ANTLR, is there a shortcut notation for expressing alternation of all the permutations of some set of rules?

In ANTLR I want to define a rule like this: rule : ( a b c | a c b | b a c | b c a | ... in ANTLR without having to write all the permutations? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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690 views

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parsing - Get comments in a php file

I've been trying to get the comments out of a certain .php file on my server, in order to parse it's ... all for your help on this one. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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836 views

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parsing - Python parse csv file - replace commas with colons

I suspect this is a common problem, but I counldn't seem to locate the answer. I am trying to remove all ... Thanks in advance for your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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894 views

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parsing - Catching (and keeping) all comments with ANTLR

I'm writing a grammar in ANTLR that parses Java source files into ASTs for later analysis. Unlike other parsers ... all. Any ideas are welcome. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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561 views

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parsing - Processing repeatedly structured text file with python

I have a big text file structured in blocks like: Student = { PInfo = { ID = 0001; Name.First = "Joe"; ... easier way to do it. Thanks ahead. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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535 views

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parsing - Parser, Generator for Java with the following requirements

I am looking for a parser generator for Java that does the following: My language project is pretty simple and ... work: JavaCC, jlex, Ragel? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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708 views

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parsing - Easiest way to parse a Lua datastructure in C# / .Net

Anyone know of an easy way to parse a Lua datastructure in C# or with any .Net library? This would be ... there's something already out there. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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537 views

1 answer

parsing - Scala: How to combine parser combinators from different objects

Given a family of objects that implement parser combinators, how do I combine the parsers? Since Parsers.Parser is ... putting it here too. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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640 views

1 answer

parsing - How can I parse a text file using javascript

The code below is to read a text file using javascript. it works. However, I just want to read part of the ... , urlToLoad); } thank you!!! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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809 views

1 answer

parsing - C# Decimal.Parse issue with commas

Here's my problem (for en-US): Decimal.Parse("1,2,3,4") returns 1234, instead of throwing an ... there that solve this issue? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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616 views

1 answer

parsing - Evaluating mathematical expressions in Python

I want to tokenize a given mathematical expression into a parse tree like this: ((3 + 4 - 1) * 5 + 6 ... as a tree like mentioned above. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.9k views

1 answer

parsing - Use tika with python, runtimeerror: unable to start tika server

I am trying to use the tika package to Parse files. Tika is successfully installed, tika-server-1.18.jar ... Unable to start Tika Server. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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709 views

1 answer

parsing - How can I write a Perl script to extract the source code of each subroutine in a Perl package?

Given a Perl package Foo.pm, e.g. package Foo; use strict; sub bar { # some code here } sub baz { ... the package, whitespace and all. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

549 views

1 answer

parsing - How do you write an arithmetic expression parser in JavaScript, without using eval or a constructor function?

Given a string: var str1 = "25*5+5*7"; Without using eval or the constructor function in JavaScript, how would ... , which in this case is 160? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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634 views

1 answer

parsing - Java - Decimal Format.parse to return double value with specified number of decimal places

I want to be able to convert a string to a Double given a number of decimal places in a format string. ... I missing something? Cheers, Andez See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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714 views

1 answer

parsing - Golang parse JSON array into data structure

I am trying to parse a file which contains JSON data: [ {"a" : "1"}, {"b" : "2"}, {"c" : "3"} ... } Then it can be read into a map[string]string See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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500 views

1 answer

parsing - Resolving html entities with NSXMLParser on iPhone

I think I read every single web page relating to this problem but I still cannot find a solution to it, so here ... feel free to write it here. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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944 views

1 answer

parsing - Python dateutil.parser.parse parses month first, not day

I'm using dateutil.parser.parse to format a date from a string. But now it mixes up the month and the day. I have ... , 25, 0, 0), as expected. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

569 views

1 answer

parsing - How to determine whether a language is LL(1) LR(0) SLR(1)

Is there a simple way to determine whether a grammar is LL(1), LR(0), SLR(1)... just from looking on ... ? Any help would really be appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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603 views

1 answer

parsing - Regex: To pull out a sub-string between two tags in a string

I have a file in the following format: Data Data Data [Start] Data I want [End] Data I'd like to grab the ... show me how this might be done? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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