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SQL Query to concatenate column values from multiple rows in Oracle
...ted string exceeds 4000 characters( limit for VARCHAR2 in SQL ), the below error is thrown, which is difficult to manage in Oracle versions upto 12.1
ORA-01489: result of string concatenation is too long
A new feature added in 12cR2 is the ON OVERFLOW clause of LISTAGG.
The query including t...
JSON to pandas DataFrame
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Error. You should pass the file contents (i.e. a string) to json.loads(), not the file object itself - json.load(train_file.read())
– Vasin Yuriy
Nov 1 '19 at 12:12
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How to print VARCHAR(MAX) using Print Statement?
...ially those that contain <. If they aren't XML, the query will usually error out. If they are XML, the string may end up reformatted into another "equivalent" XML form.
– Jirka Hanika
Sep 7 '15 at 6:16
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What's the difference between deque and list STL containers?
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answered Sep 17 '09 at 0:05
Lee BLee B
2,0891111 silver badges1616 bronze badges
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Why am I getting “undefined reference to sqrt” error even though I include math.h header? [duplicate
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This is a likely a linker error.
Add the -lm switch to specify that you want to link against the standard C math library (libm) which has the definition for those functions (the header just has the declaration for them - worth looking up the differenc...
Search for executable files using find command
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Error find: invalid mode ‘+111’ on findutils 4.5.11 4.fc20.
– sourcejedi
Jul 17 '14 at 10:31
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Set every cell in matrix to 0 if that row or column contains a 0
... row and column are both 1s.
Coding it will be tricky to avoid off-by-one errors etc but it should work in one pass.
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Get type of all variables
...character
typeof(3 + 四) #R pukes on unicode error
typeof(iconv("a", "latin1", "UTF-8")) #UTF-8 characters character
typeof(5 == 5) #result of a comparison: logical
How to get the class of a variable you have in R
The R function class ...
Understanding the map function
...your function should look for None and handle them, otherwise you will get errors. In Python 3 map() will stop after finishing with the shortest list. Also, in Python 3, map() returns an iterator, not a list.
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Reading binary file and looping over each byte
...ions).
– martineau
Feb 14 '16 at 19:05
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Hmm seems unlikely, link?
– codeap...