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When to use volatile with multi threading?
...now the 2011 Standard). Some specific platforms however do add additional functionality or restrictions to what volatile does. For example, in MSVC 2010 (at least) Acquire and Release semantics do apply to certain operations on volatile variables. From the MSDN:
When optimizing, the compiler ...
Why not be dependently typed?
...iled to dependently-typed bytecode or similar).
This is not necessarily a fundamental restriction, but I'm not personally aware of any current research that looks promising in this regard but that has not already made it into GHC. If anyone else knows more, I would be happy to be corrected.
...
Difference between MEAN.js and MEAN.io
...hon Starter. It doesn't have A of MEAN (it is 'MEN'), but it rocks..
Have fun!
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Running Bash commands in Python
...r((i=1;i<=$#;i++)); do
# Arrays are Bash-only
array[i]+=123
done''',
shell=True, check=True,
executable='/bin/bash')
A subprocess is separate from its parent, and cannot change it
A somewhat common mistake is doing something like
subprocess.run('foo=bar', shell=Tru...
How to run a program without an operating system?
...x86_64 -drive file=main.img,format=raw
C standard library
Things get more fun if you also want to use the C standard library however, since we don't have the Linux kernel, which implements much of the C standard library functionality through POSIX.
A few possibilities, without going to a full-blown...
How does PHP 'foreach' actually work?
...AP is a visible feature of an array (exposed through the current family of functions), as such changes to the IAP count as modifications under copy-on-write semantics. This, unfortunately, means that foreach is in many cases forced to duplicate the array it is iterating over. The precise conditions ...
Pretty-print C++ STL containers
...sert("hello");
j.insert("world");
double k[] = { 1.1, 2.2, M_PI, -1.0/123.0 };
std::cout << i << "\n" << j << "\n" << k << "\n";
}
It currently only works with vector and set, but can be made to work with most containers, just by expanding on the IsConta...
RESTful Authentication
...c.html HTTP/1.1
Host: www.example.org
Cookie: theme=light; sessionToken=abc123
The cookie technique itself is HTTP-linked, so it's not truly RESTful, which should be protocol-independent, IMHO. It is vulnerable to MiM or Replay attacks.
Granted via Token (OAuth2)
An alternative is to put a token...
What to do Regular expression pattern doesn't match anywhere in string?
... with regular expressions and therefore do so poorly.
But this is not some fundamental flaw related to computational theory. That silliness is parroted a lot around here, but don’t you believe them.
So while it certainly can be done (this posting serves as an existence proof of this incontrovertib...
What is your most productive shortcut with Vim?
...to point new folks who want a good explanation of what vi power users find fun about vi. Then I'll tell them about Emacs and they can decide.)
– Brandon Rhodes
Mar 29 '10 at 15:26
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