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How can prepared statements protect from SQL injection attacks?

... The idea is very simple - the query and the data are sent to the database server separately. That's all. The root of the SQL injection problem is in the mixing of the code and the data. In fact, our SQL query is a legitimate program. And we are creating s...
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Xcode: What is a target and scheme in plain language?

... it :-) What do they mean in plain English language? I really don't understand the explanation on Apple's website and I need to rename my target and I'm afraid that nothing works after that.. ...
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How do HashTables deal with collisions?

...ll full then the hash table can increase the number of buckets that it has and then redistribute all the elements in the table. The hash function returns an integer and the hash table has to take the result of the hash function and mod it against the size of the table that way it can be sure it will...
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Difference between open and codecs.open in Python

...open is an alias for the open() built-in. So io.open() works in Python 2.6 and all later versions, including Python 3.4. See docs: http://docs.python.org/3.4/library/io.html Now, for the original question: when reading text (including "plain text", HTML, XML and JSON) in Python 2 you should always ...
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Is the order guaranteed for the return of keys and values from a LinkedHashMap object?

...der (insertion order). Does the Set returned by LinkedHashMap.keySet() and the Collection returned by LinkedHashMap.values() also maintain this order? ...
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Amazon SimpleDB vs Amazon DynamoDB

I have some basic understanding what Amazon SimpleDB is, but according to the Amazon DynamoDB description it seems to be almost the same: a NoSQL Key-value store service. ...
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What does 'const static' mean in C and C++?

I saw this in some code here on StackOverflow and I couldn't figure out what it does. Then I saw some confused answers on other forums. My best guess is that it's used in C to hide the constant foo from other modules. Is this correct? If so, why would anyone use it in a C++ context where you can j...
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What is the difference between declarative and imperative programming? [closed]

I have been searching the web looking for a definition for declarative and imperative programming that would shed some light for me. However, the language used at some of the resources that I have found is daunting - for instance at Wikipedia . Does anyone have a real-world example that they could ...
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What is the basic difference between the Factory and Abstract Factory Design Patterns? [closed]

What is the basic difference between the Factory and Abstract Factory Patterns? 19 Answers ...
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JavaScript get clipboard data on paste event (Cross browser)

How can a web application detect a paste event and retrieve the data to be pasted? 20 Answers ...