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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...t even I can see the addl $1000000000, %edi line.
The resulting code looks more like
for(int i = 0; /* nothing, that is - infinite loop */; i += 1000000000)
std::cout << i << std::endl;
This comment of @T.C.:
I suspect that it's something like: (1) because every iteration with...
Checkstyle vs. PMD
...ble to point out questionable coding practices and its output is generally more relevant and useful.
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How can I use goto in Javascript?
...onsole.log("Hello, world!");
i++;
if(i < 538) goto start;
You can read more about how goto is implemented, but basically, it does some JavaScript preprocessing that takes advantage of the fact that you can simulate a goto with a labelled while loop. So, when you write the "Hello, world!" program...
classical inheritance vs prototypal inheritance in javascript
...d bike and the Harley Davidson are all abstractions. However the bike is a more general abstraction of the mud bike and the Harley Davidson (i.e. both the mud bike and the Harley Davidson are specific types of bikes).
Generalization: An abstraction of a more specific abstraction.
In object-oriente...
WebSockets vs. Server-Sent events/EventSource
...one with SSE can also be done with Websockets, Websockets is getting a lot more attention and love, and many more browsers support Websockets than SSE.
However, it can be overkill for some types of application, and the backend could be easier to implement with a protocol such as SSE.
Furthermore ...
How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
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List comprehension: Returning two (or more) items for each item
Is it possible to return 2 (or more) items for each item in a list comprehension?
6 Answers
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Show current assembly instruction in GDB
...You can switch to assembly layout in GDB:
(gdb) layout asm
See here for more information. The current assembly instruction will be shown in assembler window.
┌────────────────────────────────────────────...
What are the differences between a pointer variable and a reference variable in C++?
...e stack, and since the address is the same as the variable it references. More on stack vs heap. This implies that there is a real address of a reference that the compiler will not tell you.
int x = 0;
int &r = x;
int *p = &x;
int *p2 = &r;
assert(p == p2);
You can have pointers to ...