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html select option separator
...urence: IE7 does not support css styles on optgroup or option elements. At least not borders
– grom
Aug 20 '09 at 2:44
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How to get error information when HttpWebRequest.GetResponse() fails
...quest and then retrieving it's response. Occasionally, I get a 500 (or at least 5##) error, but no description. I have control over both endpoints and would like the receiving end to get a little bit more information. For example, I would like to pass the exception message from server to client. ...
Fastest method to escape HTML tags as HTML entities?
...sted in enumerating cases in which I think "something could go wrong" (not least because it's the unexpected/forgotten cases that'll hurt you, and when you least expect it at that). I am interested in coding to standards (so the unexpected/forgotten cases can't hurt you by definition). I can't stres...
Understanding REST: Verbs, error codes, and authentication
...t a new status code, think again; if you still believe so, make sure to at least pick the right category (1xx -> OK, 2xx -> informational, 3xx -> redirection; 4xx-> client error, 5xx -> server error). Did I mention that inventing new status codes is a bad idea?
re 4. If in any way po...
How to export revision history from mercurial or git to cvs?
...sg file1 file2 file3 etc
The next time you do a git cvsimport (waiting at least 10 minutes) you should see the patch of your exported commit re-imported into your local repository. They will have different commit IDs since the CVS commit will have a different timestamp and possibly a different com...
Handling specific errors in JavaScript (think exceptions)
...his gives something more akin to typed exception handling used in Java, at least syntactically.
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target=“_blank” vs. target=“_new”
...ng to the HTML5 Spec:
A valid browsing context name is any string with at least one character that does not start with a U+005F LOW LINE character. (Names starting with an underscore are reserved for special keywords.)
A valid browsing context name or keyword is any string that is either a valid br...
Convert a JSON String to a HashMap
...ception: Cannot construct instance of java.util.LinkedHashMap (although at least one Creator exists): no String-argument constructor/factory method to deserialize from String value ('{
– Disha Jain
Sep 8 at 7:13
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Regex not operator
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No, there's no direct not operator. At least not the way you hope for.
You can use a zero-width negative lookahead, however:
\((?!2001)[0-9a-zA-z _\.\-:]*\)
The (?!...) part means "only match if the text following (hence: lookahead) this doesn't (hence: negati...
iReport not starting using JRE 8
...e problem of not working with Java 8 is through up to the version 5.6.0 at least (the most current at time of commenting)
– Hubert Schumacher
Jan 15 '16 at 4:59
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