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Differences between Proxy and Decorator Pattern

Can you give any good explanation what is the difference between Proxy and Decorator ? 8 Answers ...
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dynamic_cast and static_cast in C++

I am quite confused with the dynamic_cast keyword in C++. 10 Answers 10 ...
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How can I remove a character from a string using Javascript?

I am so close to getting this, but it just isn't right. All I would like to do is remove the character r from a string. The problem is, there is more than one instance of r in the string. However, it is always the character at index 4 (so the 5th character). ...
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How do you read a file into a list in Python? [duplicate]

I want to prompt a user for a number of random numbers to be generated and saved to a file. He gave us that part. The part we have to do is to open that file, convert the numbers into a list, then find the mean, standard deviation, etc. without using the easy built-in Python tools. ...
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How to create a trie in Python

I'm interested in tries and DAWGs (direct acyclic word graph) and I've been reading a lot about them but I don't understand what should the output trie or DAWG file look like. ...
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Could you explain STA and MTA?

Can you explain STA and MTA in your own words? 7 Answers 7 ...
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Batch files: How to read a file?

How you can read a file (text or binary) from a batch file? There is a way to read it in a binary mode or text mode? 7 Answ...
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How many socket connections can a web server handle?

Say if I was to get shared, virtual or dedicated hosting, I read somewhere a server/machine can only handle 64,000 TCP connections at one time, is this true? How many could any type of hosting handle regardless of bandwidth? I'm assuming HTTP works over TCP. ...
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What is a mutex?

A mutex is a programming concept that is frequently used to solve multi-threading problems. My question to the community: ...
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Why do we need a pure virtual destructor in C++?

I understand the need for a virtual destructor. But why do we need a pure virtual destructor? In one of the C++ articles, the author has mentioned that we use pure virtual destructor when we want to make a class abstract. ...