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SiCrane

Member Since 09 Dec 1999
Offline Last Active Yesterday, 11:59 PM

Posts I've Made

In Topic: How does std::vector<std::list> behave when I add a new item to any o...

20 December 2014 - 05:41 PM

No, the memory for the entire vector will not reallocate if you add something to one of the individual lists.


In Topic: "defer": is this silly / broken?

09 December 2014 - 10:58 AM

The first problem that comes to mind is that you're executing arbitrary code inside a destructor. If that code throws an exception during stack unwind then your program could turn into a big puddle of goo. 


In Topic: Datatype Size and Struct Compiler Padding

04 November 2014 - 12:55 AM

3. The size of any non-fixed size type can change between platforms. All you are really guaranteed is that size(char) = 1, sizeof(char) <= sizeof(short) <= sizeof(int) <= sizeof(long) <= sizeof(long long). Use the fixed size types if you need a guaranteed range.

Well you're also guaranteed that char is at least 8 bits, short and int are at least 16 bits, long is at least 32 bits and long long is at least 64 bits.

In Topic: [Fixed]Image parsing : Read all file or x bytes at a time ?

27 October 2014 - 10:09 AM

infile.read(bufferRestOfFile, sizeof(bufferRestOfFile));
I don't think this line does what you think it does. sizeof gives the static size of the pointer, not the dynamic size of what it points to.

In Topic: Writing python strings for C++

21 September 2014 - 03:23 PM

You need to convert the string to a bytes object before you serialize it. However, once it's converted to a bytes object you don't need to bother sending it through struct, just write it to the file.


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