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When should I use the Visitor Design Pattern? [closed]
...dmit, I just don't get it. I read the wikipedia article for the pattern and I understand its mechanics but I'm still confused as to when I'd use it.
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MySQL LIKE IN()?
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Over 1 million rows in my table. REGEX arround 0.0009 and LIKE arround 0.0005. If more then 5 REGEX, arround 0.0012...
– David Bélanger
Nov 26 '11 at 5:24
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How to check if a file exists in Go?
Go's standard library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it?
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Store output of subprocess.Popen call in a string
I'm trying to make a system call in Python and store the output to a string that I can manipulate in the Python program.
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Can I get a list of files marked --assume-unchanged?
... answered Mar 2 '10 at 13:48
Andrew AylettAndrew Aylett
35k44 gold badges6262 silver badges9292 bronze badges
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PHP Array to CSV
... edit the code I have above to do this? as it's outputting all the fields, and using examples of fputcsv in the manual I can't get it to do this
– JohnnyFaldo
Oct 28 '12 at 11:44
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How do I return multiple values from a function in C?
If I have a function that produces a result int and a result string , how do I return them both from a function?
8 Answe...
How do you add a Dictionary of items into another Dictionary
...for this, I tried everything except this. But you can drop the @assignment and return, you're already mutating left. Edit: actually, even though I get no errors, I think @assignment should stay.
– Roland
Jun 9 '14 at 12:02
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Python string class like StringBuilder in C#?
... answered Mar 10 '10 at 5:11
Andrew HareAndrew Hare
310k6363 gold badges611611 silver badges614614 bronze badges
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Titlecasing a string with exceptions
Is there a standard way in Python to titlecase a string (i.e. words start with uppercase characters, all remaining cased characters have lowercase) but leaving articles like and , in , and of lowercased?
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