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How to capitalize the first letter of a record in SQL
(3 answers)
SQL Server how to change 1 letter from lower case into upper case?
(5 answers)
Closed 3 months ago.
How could I change the first letter in this function to uppercase with he remainder staying in lower case?
substring(Column2,charindex('-', Column2)+1,len(Column2)),
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What is [:,:-1] in python? [duplicate]
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Python Difference between iloc indexes
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Understanding slicing
(38 answers)
Closed 6 months ago.
X = df_census.iloc[:,:-1]
y = df_census.iloc[:,-1]
what is the meaning of [:,:-1] in this and also [:,-1]
Following your example: [:,:-1]
The first argument is : which means to get all rows of the dataframe, and :-1 means to return all columns but the last one
In the case of just -1, it means to get the last column
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Sorting numbers in QTableWidget work doesnt right Pyqt5
(1 answer)
Sorting in pyqt tablewidget
(4 answers)
Closed 11 months ago.
I have a table with id and this ids start from 1 to 22. When I sort with following code:
a = QSortFilterProxyModel()
a.setSourceModel(model)
self.table_view = QTableView()
self.table_view.setModel(a)
self.table_view.setSortingEnabled(True)
self.table_view.sortByColumn(1, Qt.DescendingOrder)
It sorting as in the picture because 8 is bigger than 6 and 2 it reads as string but the column is integer.
How can I sort the column as integer?
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Assembly 8086 | Sum of an array, printing multi-digit numbers
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Displaying numbers with DOS
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How do I print an integer in Assembly Level Programming without printf from the c library? (itoa, integer to decimal ASCII string)
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Closed 2 years ago.
Can I Convert Var(int) like this:
var1 db 45
That the Var1 will be "45"
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How do I delete a column that contains only zeros in Pandas?
(4 answers)
Closed 5 years ago.
I'm doing a complex calculation on a data frame that is bound to throw exceptions if all the values in a column are zeros. How to do a quick check whether a column is full of zero? i.e. return True if the column has values other than 0 else False.
you can do something like this:
(df['col'] == 0).all()
This will return True if all values are 0 otherwise it will return false
This question already has answers here:
Converting words to numbers in PHP
(6 answers)
Closed 8 years ago.
How to convert any string into digit in SQL without CASE and Decode function.
eg. THREE to 3
FOUR to 4
FIVE to 5
SIX to 6
Range is not decided.. can be vary upto N.
Well, I'm not sure whether this is what you need, but what about defining a table, say digits, like this:
digit: text | value: int
------------+-----------
one | 1
two | 2
three | 3
etc.
Then use a query, for example, like this one:
SELECT value FROM digits WHERE digit = 'FIVE'
Sure, it's pretty weird (to say the least), but nonetheless the use of CASE is avoided.