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Can an abstract class have a constructor?
...lass can have a constructor. Consider this:
abstract class Product {
int multiplyBy;
public Product( int multiplyBy ) {
this.multiplyBy = multiplyBy;
}
public int mutiply(int val) {
return multiplyBy * val;
}
}
class TimesTwo extends Product {
public TimesT...
How to implement LIMIT with SQL Server?
...
Starting SQL SERVER 2005, you can do this...
USE AdventureWorks;
GO
WITH OrderedOrders AS
(
SELECT SalesOrderID, OrderDate,
ROW_NUMBER() OVER (ORDER BY OrderDate) AS 'RowNumber'
FROM Sales.SalesOrderHeader
)
SELECT ...
Combining two Series into a DataFrame in pandas
I have two Series s1 and s2 with the same (non-consecutive) indices. How do I combine s1 and s2 to being two columns in a DataFrame and keep one of the indices as a third column?
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Is it .yaml or .yml?
According to yaml.org , the official file extension is .yaml .
4 Answers
4
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adding noise to a signal in python
I want to add some random noise to some 100 bin signal that I am simulating in Python - to make it more realistic.
7 Answer...
Mac zip compress without __MACOSX folder?
When I compress files with the built in zip compressor in Mac OSX, it results in an extra folder titled "__MACOSX" created in the extracted zip.
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How do I add more members to my ENUM-type column in MySQL?
...ABLE
`table_name`
MODIFY COLUMN
`column_name2` enum(
'existing_value1',
'existing_value2',
'new_value1',
'new_value2'
)
NOT NULL AFTER `column_name1`;
share
|
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Read/Write String from/to a File in Android
I want to save a file to the internal storage by getting the text inputted from EditText. Then I want the same file to return the inputted text in String form and save it to another String which is to be used later.
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How to put space character into a string name in XML?
i have defined some strings in the strings.xml file. Now I need to put some extra space between some numbers in the string. When I type extra space characters this is not showing on the application though.
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To ARC or not to ARC? What are the pros and cons? [closed]
I've yet to use ARC, since the majority of the code in the project I'm working on at the moment was written pre-iOS 5.0.
6...