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How can we match a^n b^n with Java regex?
...+ (?(B)(?!))
...
(?<Z-Y>z)+ (?(Y)(?!))
$
For example: http://www.ideone.com/usuOE
Edit:
There is also a PCRE pattern for the generalized language with recursive pattern, but a lookahead is needed. I don't think this is a direct translation of the above.
^
(?=(a(?-1)?b)) a+
(?...
Search and replace in Vim across all the project files
...and line options perldoc perlrun. For more information on Perl see http://www.perl.org/.
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Array include any value from another array?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Scalar vs. primitive data type - are they the same thing?
... contain a single value and are not composed of other C++ objects
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/1995/N0774.pdf
I'm curious about whether this refers to whether these items would have a value of 'scale'? - Such as counting numbers.
...
What does “@@ -1 +1 @@” mean in Git's diff output?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Selectively revert or checkout changes to a file in Git?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Send a file via HTTP POST with C#
...d Page_Load(object sender, EventArgs e) { string address="http:www.testproject.com/SavedFiles"; string filepath=@"D:\test\FileOperations\testfile.txt"; using (WebClient client = new WebClient()) { client.UploadFile(address, filepath); } }
...
How to update a git clone --mirror?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How do I get the current absolute URL in Ruby on Rails?
... to change host name but keep everything else. I found that url_for(host: 'www.newdomain.com') worked the best for me as a solution to the problem. IMO, its a more robust solution since its the same across all versions of rails.
– PeppyHeppy
Dec 28 '12 at 7:06
...
How do I send a POST request with PHP?
... 'http' => array(
'header' => "Content-type: application/x-www-form-urlencoded\r\n",
'method' => 'POST',
'content' => http_build_query($data)
)
);
$context = stream_context_create($options);
$result = file_get_contents($url, false, $context);
if ($result =...