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When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]

I understand the differences between DFS and BFS, but I'm interested to know when it's more practical to use one over the other? ...
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HTTP 1.0 vs 1.1

Could somebody give me a brief overview of the differences between HTTP 1.0 and HTTP 1.1? I've spent some time with both of the RFCs, but haven't been able to pull out a lot of difference between them. Wikipedia says this: ...
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How to get a random value from dictionary in python

How can I get a random pair from a dict ? I'm making a game where you need to guess a capital of a country and I need questions to appear randomly. ...
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append multiple values for one key in a dictionary [duplicate]

I am new to python and I have a list of years and values for each year. What I want to do is check if the year already exists in a dictionary and if it does, append the value to that list of values for the specific key. ...
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Understanding checked vs unchecked exceptions in Java

Joshua Bloch in " Effective Java " said that 21 Answers 21 ...
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How do I create a Java string from the contents of a file?

I've been using the idiom below for some time now. And it seems to be the most wide-spread, at least on the sites I've visited. ...
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What's wrong with using $_REQUEST[]?

I've seen a number of posts on here saying not to use the $_REQUEST variable. I usually don't, but sometimes it's convenient. What's wrong with it? ...
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Relational table naming convention [closed]

I'm starting a new project and would like to get my table- and column names right from the start. For example I've always used plural in table names but recently learned singular is correct. ...
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Why is the String class declared final in Java?

From when I learned that the class java.lang.String is declared as final in Java, I was wondering why that is. I didn't find any answer back then, but this post: How to create a replica of String class in Java? reminded me of my query. ...
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How can I make SQL case sensitive string comparison on MySQL?

I have a function that returns five characters with mixed case. If I do a query on this string it will return the value regardless of case. ...