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Why doesn't Haskell's Prelude.read return a Maybe?

...ersions floating around many codebases). See also this discussion. Personally, I use the version from the safe package. share | improve this answer | follow ...
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Running a Python script from PHP

...e if PHP script runs in browser or curl) and/or must be "executable". Also all commands into .py file must have correct privileges: Taken from php manual: Just a quick reminder for those trying to use shell_exec on a unix-type platform and can't seem to get it to work. PHP executes as the w...
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Sequence contains no elements?

...boxes for the title and content, the ID and date aren't put on the page at all. Could this be the reason for it passing them as null\new? – Andy Hunt Aug 24 '09 at 19:43 2 ...
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Real life example, when to use OUTER / CROSS APPLY in SQL

... ORDER BY pr.name) pa ORDER BY pr.name, pa.name 2) Calling a Table Valued Function for each row in the outer query SELECT * FROM sys.dm_exec_query_stats AS qs CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle) 3) Reusing a column alias SELECT number, doubled_number...
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python's re: return True if string contains regex pattern

...p.search(word) <_sre.SRE_Match object at 0x101030b28> . You can drop all the pipe symbols. – radtek Jan 27 '17 at 14:51 add a comment  |  ...
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How to view the Folder and Files in GAC?

... Install: gacutil -i "path_to_the_assembly" View: Open in Windows Explorer folder .NET 1.0 - NET 3.5: c:\windows\assembly (%systemroot%\assembly) .NET 4.x: %windir%\Microsoft.NET\assembly OR gacutil –l When you are ...
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UITableView row animation duration and completion callback

...o either specify the duration for UITableView row animations, or to get a callback when the animation completes? 10 Answers...
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Does R have an assert statement as in python?

...ndition that will throw an error in your program. Here's an example: Less_Than_8 = function(x) return(x < 8) for (i in 1:10) { print(i) stopifnot(Less_Than_8(i)) } This will print the numbers 1 through 8, then print a message that says Error: Less_Than_8(i) is not TRUE It would be ni...
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Move all files except one

How can I move all files except one? I am looking for something like: 14 Answers 14 ...
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Stop an input field in a form from being submitted

...nts it from being submitted? Cool, I didn't know that. Does this work on all browsers? Is it part of a standard, or is it an implementation quirk? – BlairHippo Jun 9 '10 at 17:12 ...