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Difference between a virtual function and a pure virtual function [duplicate]
What is the difference between a pure virtual function and a virtual function?
4 Answers
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In Python, what is the difference between “.append()” and “+= []”?
What is the difference between:
12 Answers
12
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Reading a UTF8 CSV file with Python
...or field1, field2, field3 in reader:
print field1, field2, field3
PS: if it turns out that your input data is NOT in utf-8, but e.g. in ISO-8859-1, then you do need a "transcoding" (if you're keen on using utf-8 at the csv module level), of the form line.decode('whateverweirdcodec').encode('utf...
How to get Top 5 records in SqLite?
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square brackets are necessary if there's a space in the title.
– John Lord
Apr 2 at 20:10
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node.js hash string?
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If you just want to md5 hash a simple string I found this works for me.
var crypto = require('crypto');
var name = 'braitsch';
var hash = crypto.createHash('md5').update(name).digest('hex');
console.log(hash); // 9b74c9897ba...
Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
I understand that in Swift all variables must be set with a value, and that by using optionals we can set a variable to be set to nil initially.
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What is the proper way to URL encode Unicode characters?
...oding in the past, browsers attempt several methods of decoding a URI, but if you're the one doing the encoding you should use UTF-8.
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String Concatenation using '+' operator
...get it all done in one go.
EDIT: Note that the compiler can't do anything if you concatenate in a loop. For example, this code:
string x = "";
foreach (string y in strings)
{
x += y;
}
just ends up as equivalent to:
string x = "";
foreach (string y in strings)
{
x = string.Concat(x, y);...
Force Git to always choose the newer version during a merge?
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note: if you have already used git merge branch, you'll need to git merge --abort before you can do this.
– John Dvorak
Apr 12 '14 at 20:21
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How to connect to LocalDB in Visual Studio Server Explorer?
...talled the latest EF Nuget package for the project to compile. I also verified that I have Microsoft SQL Server 2012 Express LocalDB installed which came with Visual Studio 2013. I don't have any other instances of SQL installed on my local computer. The program runs and entries are added to the d...