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Defining an abstract class without any abstract methods
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Of course.
Declaring a class abstract only means that you don't allow it to be instantiated on its own.
Declaring a method abstract means that subclasses have to provide an implementation for that method.
The two are separate concepts, though obviously you can't have an abstract m...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
...parameter and write it as List(1, 2, 3) indexOf 2. This is not the case of dot-notation.
Note also that when you have a single parameter that is a multi-token expression, like x + 2 or a => a % 2 == 0, you have to use parenthesis to indicate the boundaries of the expression.
Tuples
Because you ca...
Error 1046 No database Selected, how to resolve?
...se:
USE database_name;
before you create a table.
In case the database does not exist, you need to create it as:
CREATE DATABASE database_name;
followed by:
USE database_name;
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Disable soft keyboard on NumberPicker
...necessarily a bad thing, depending on how you are using the picker, but it does appear to be a limitation of the solution.
– frenziedherring
Aug 26 '13 at 17:01
76
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Python - Create list with numbers between 2 values?
...ith a third step parameter but that's still an int -- not float. You can't do that exactly in the standard lib.
– Jared
Aug 16 '13 at 4:53
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Converting pfx to pem using openssl
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You can use the OpenSSL Command line tool. The following commands should do the trick
openssl pkcs12 -in client_ssl.pfx -out client_ssl.pem -clcerts
openssl pkcs12 -in client_ssl.pfx -out root.pem -cacerts
If you want your file to be password protected etc, then there are additional options.
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Navigation in django
I've just done my first little webapp in django and I love it. I'm about to start on converting an old production PHP site into django and as part its template, there is a navigation bar.
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Is Java RegEx case-insensitive?
In Java, when doing a replaceAll to look for a regex pattern like:
5 Answers
5
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Replace new lines with a comma delimiter with Notepad++?
...the comma.
This will also replace lines like
Apples
Apricots
Pear
Avocados
Bananas
Where there are empty lines.
If your lines have trailing blank spaces you should remove those first. The simplest way to achieve this is
EDIT -> Blank Operations -> Trim Trailing Space
OR
TextFX ->...
What is the rationale for fread/fwrite taking size and count as arguments?
...ings like UTF-8.
The SUS notes that this is actually taken from the ISO C documents.
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