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What is the difference between Class Path and Build Path
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No. The classpath argument is a hint to the compiler what he should expect to be available/provided at runtime, since you don't build every class you use yourself (e.g. JFC, Libraries, ...). The buildpath contains both source and/or source/compiled dependencies and where to loo...
Skip first entry in for loop in python?
... on 'prev' not 'car'
# at end of loop:
prev = car
# now you can do whatever you want to do to the last one on 'prev'
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What is &&& operation in C
...s. Example: void fn(type& x = *reinterpret_cast<type*>(NULL)); What is the value of &x in fn if fn is called without parameters? It's 0 a.k.a. false. However, using it the way described, it'll always be true unless i == 0, and if one was using it as I described, it would be c = &am...
Should I hash the password before sending it to the server side?
...uld be used in any authenticated session.
There is really no need to know what an original password is. All that is required is a reliable way to generate (and reliably re-generate) an authentication "key" based on the original text chosen by the user. In an ideal world this text should immediate...
Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
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Because interfaces specify only what the class is doing, not how it is doing it.
The problem with multiple inheritance is that two classes may define different ways of doing the same thing, and the subclass can't choose which one to pick.
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What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...ou from putting things that aren't Person into the list.
The difference is what happens behind the scenes. Unlike C#, Java does not go and build a special ListOfPerson - it just uses the plain old ArrayList which has always been in Java. When you get things out of the array, the usual Person p = (Pe...
What is a callback?
What's a callback and how is it implemented in C#?
11 Answers
11
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SQL variable to hold list of integers
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What if you don't know what the IDs are and that comes from a query? Example: SET @AddressIDs = (SELECT ID FROM address WHERE Account = 1234) This query will return multiple IDs and I get an error saying the subquery returned...
What's the difference between OpenID and OAuth?
...te of their domain like serverfault or askubuntu. In OAuth we can restrict what information is flowing from identity provider (facebook) to service provider(stackoverflow). In OpenID we simply give a certificate symbolizing the person as legal and give access to whole database. Since stackoverflow o...
ISO time (ISO 8601) in Python
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Here is what I use to convert to the XSD datetime format:
from datetime import datetime
datetime.now().replace(microsecond=0).isoformat()
# You get your ISO string
I came across this question when looking for the XSD date time for...