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C++ “virtual” keyword for functions in derived classes. Is it necessary?
...rence between them other than that the first approach requires more typing and is potentially clearer.
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How do you compare structs for equality in C?
How do you compare two instances of structs for equality in standard C?
11 Answers
11
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Regular expression to search for Gadaffi
...lternatives (eg. (Qadafi|Kadafi|...)) then compile that to a DFA, and then convert the DFA back into a regular expression. Assuming a moderately sensible implementation that would give you a "compressed" regular expression that's guaranteed not to contain unexpected variants.
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Best XML Parser for PHP [duplicate]
... and easy xml parsing when an extension is not available:
<?php
/**
* Convert XML to an Array
*
* @param string $XML
* @return array
*/
function XMLtoArray($XML)
{
$xml_parser = xml_parser_create();
xml_parse_into_struct($xml_parser, $XML, $vals);
xml_parser_free($xml_parser);
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g++ undefined reference to typeinfo
I just ran across the following error (and found the solution online, but it's not present in Stack Overflow):
17 Answers
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JAX-RS / Jersey how to customize error handling?
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One obvious solution: take in a String, convert to Date yourself. That way you can define format you want, catch exceptions and either re-throw or customize error being sent.
For parsing, SimpleDateFormat should work fine.
I am sure there are ways to hook handlers...
Read Post Data submitted to ASP.Net Form
... What about byte arrays? Would you have a string like that and then convert it to a byte array, or what? Im uploading a file to the serve.r
– Fallenreaper
Sep 6 '12 at 19:42
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How does strtok() split the string into tokens in C?
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strtok will tokenize a string i.e. convert it into a series of substrings.
It does that by searching for delimiters that separate these tokens (or substrings). And you specify the delimiters. In your case, you want ' ' or ',' or '.' or '-' to be the delimiter...
CSV file written with Python has blank lines between each row
... in binary mode "wb" will not work in Python 3+. Or rather, you'd have to convert your data to binary before writing it. That's just a hassle.
Instead, you should keep it in text mode, but override the newline as empty. Like so:
with open('/pythonwork/thefile_subset11.csv', 'w', newline='') as ...
Python: How to get stdout after running os.system? [duplicate]
... didn't. I'm using ubuntu and this command: out = os.system('ffmpeg -i ' + converted_filename + ' -ss ' + str(thumbnail_frame_time) + ' -vf scale=254:152 -vframes 1 -vcodec png -an -y ' + file_name + '.png')
– Edhowler
Mar 4 at 18:59...