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SQL Query to concatenate column values from multiple rows in Oracle
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There's also an XMLAGG function, which works on versions prior to 11.2. Because WM_CONCAT is undocumented and unsupported by Oracle, it's recommended not to use it in production system.
With XMLAGG you can do the following:
SELECT XMLAGG(X...
How to use HTML Agility pack
...ile containing the html
htmlDoc.Load(filePath);
// Use: htmlDoc.LoadHtml(xmlString); to load from a string (was htmlDoc.LoadXML(xmlString)
// ParseErrors is an ArrayList containing any errors from the Load statement
if (htmlDoc.ParseErrors != null && htmlDoc.ParseErrors.Count() > 0)
{...
How to log source file name and line number in Python
Is it possible to decorate/extend the python standard logging system, so that when a logging method is invoked it also logs the file and the line number where it was invoked or maybe the method that invoked it?
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Extract file name from path, no matter what the os/path format
Which Python library can I use to extract filenames from paths, no matter what the operating system or path format could be?
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Is there a builtin identity function in python?
... it to take multiple arguments. That's fine, but then you hit a problem as Python functions don't return multiple results, so you have to find a way of cramming all of those arguments into one return value.
The usual way of returning "multiple values" in Python is to return a tuple of the values - ...
Is it possible for a unit test to assert that a method calls sys.exit()
I have a python 2.7 method that sometimes calls
4 Answers
4
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How to read a text file into a string variable and strip newlines?
I use the following code segment to read a file in python:
23 Answers
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How do I get indices of N maximum values in a NumPy array?
... @LKT use a=np.array([9, 4, 4, 3, 3, 9, 0, 4, 6, 0]) because normal python lists do not support indexing by lists, unlike np.array
– Marawan Okasha
Aug 8 '17 at 19:34
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What is the difference between Python's list methods append and extend?
... are not that important. I am just showing them to make the point that, in Python, doing the semantically correct thing is doing things the Right Way™.
It's conceivable that you might test timings on two comparable operations and get an ambiguous or inverse result. Just focus on doing the semanti...
JSP : JSTL's tag
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Only if 'escapeXML' it set to true (not sure if it is by default)
– Chris Serra
Nov 14 '08 at 19:12
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