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Typedefs with tweaked alignment

By : Eifer Wang
Date : September 15 2020, 05:00 AM
like below fixes the issue These are not the same thing. One is a GCC extension, and the other is a standard language feature.
From cppreference.com:
code :
struct alignas(8) aligned_int
    int val;

aligned_int ar[3];

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Encryption: TCB (Tweaked CodeBook) algorithm - what is it?

By : partha
Date : March 29 2020, 07:55 AM
this one helps. My cryptographic skills are a little bit rusty - but IMHO, Tweaked Codebook = Tweakable Block Cipher.
It's basically ECB with a Tweak, that "patches" ECB's biggests flaws: identical plaintext blocks result in identical ciphertext (exposing your ciphertext to malicious substitution and showing data patterns).

subversion: how to manage tweaked files

By : JCR
Date : March 29 2020, 07:55 AM
may help you . Whenever you have files that are in the repository, but you don't want to change, you're going to end up changing those files. It doesn't matter what version control system you're using. Someone is going to accidentally change those files.
There are a couple of things that can help:

Why are the std::atomic_{char,schar,etc.} typedefs allowed to be typedefs to a base class of std::atomic<T>, and n

By : Karthicks
Date : March 29 2020, 07:55 AM
wish of those help It is probably there because someone already had an implementation of atomics using std::atomic_* types as base classes and complained enough/provided a good argument towards this approach.
In MSVC such an implementation is suggested.

C++ sort with 'tweaked' compare functor

By : Masa Zivkovic
Date : March 29 2020, 07:55 AM
To fix this issue If you can define a bijective operation in which the comparison is total/weak order then you are fine. It turns our that for your type (unsigned) this is simply -=2/+=2
code :
bool operator()(unsigned i, unsigned j) const{
   return (i-2) < (j-2); // usigned will wrap around 0 

#pragma pack, template typedefs, and struct alignment

By : David Chambers
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further In your code, the #pragma pack will have no effect. It only does anything when it's in effect around the definition of a struct or class, not around a typedef or anything. Neither does it have any effect around that variable definition.
You can see the usage here: http://msdn.microsoft.com/en-us/library/2e70t5y1(v=VS.100).aspx
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