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techniques for obscuring sensitive strings in C++

I need to store sensitive information (a symmetric encryption key that I want to keep private) in my C++ application. The simple approach is to do this: ...
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How do I check if a string contains a specific word?

Consider: 36 Answers 36 ...
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Functional, Declarative, and Imperative Programming [closed]

What do the terms functional, declarative, and imperative programming mean? 14 Answers ...
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select * vs select column

If I just need 2/3 columns and I query SELECT * instead of providing those columns in select query, is there any performance degradation regarding more/less I/O or memory? ...
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Postgres and Indexes on Foreign Keys and Primary Keys

Does Postgres automatically put indexes on Foreign Keys and Primary Keys? How can I tell? Is there a command that will return all indexes on a table? ...
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Remove .php extension with .htaccess

Yes, I've read the Apache manual and searched here. For some reason I simply cannot get this to work. The closest I've come is having it remove the extension, but it points back to the root directory. I want this to just work in the directory that contains the .htaccess file. ...
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Catch a thread's exception in the caller thread in Python

I'm very new to Python and multithreaded programming in general. Basically, I have a script that will copy files to another location. I would like this to be placed in another thread so I can output .... to indicate that the script is still running. ...
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Why are we not to throw these exceptions?

I came across this MSDN page that states: 5 Answers 5 ...
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What are C++ functors and their uses?

I keep hearing a lot about functors in C++. Can someone give me an overview as to what they are and in what cases they would be useful? ...
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What's the best way to send a signal to all members of a process group?

I want to kill a whole process tree. What is the best way to do this using any common scripting languages? I am looking for a simple solution. ...