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Understanding typedefs for function pointers in C
...d returns a SignalHandler.
It takes a bit of getting used to, though. The one thing you can't do, though is write a signal handler function using the SignalHandler typedef in the function definition.
I'm still of the old-school that prefers to invoke a function pointer as:
(*functionpointer)(arg1, ...
sprintf like functionality in Python
...file=sio)
return sio.getvalue()
>>> x = sprint('abc', 10, ['one', 'two'], {'a': 1, 'b': 2}, {1, 2, 3})
>>> x
"abc 10 ['one', 'two'] {'a': 1, 'b': 2} {1, 2, 3}\n"
or without the '\n' at the end:
def sprint(*args, end='', **kwargs):
sio = io.StringIO()
print(*args, *...
Suppress warning messages using mysql from within Terminal, but password written in bash script
...erent servers/roles/databases. Using ~/.my.cnf will only allow you to have one set of configuration (although it may be a useful set of defaults).
If you're on a Debian based distro, and running as root, you could skip the above and just use /etc/mysql/debian.cnf to get in ... :
mysql --defaults-ext...
When should I use a struct rather than a class in C#?
...ly large) are more expensive to pass around than class references (usually one machine word), so classes could end up being faster in practice.
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How to clear the cache of nginx?
... server, I have modified the CSS files, but nginx is still serving the old ones.
22 Answers
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Is there a way to add/remove several classes in one single instruction with classList?
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I am switching to this one as the correct answer, as this is a native API, even if support is not great.
– Enrique Moreno Tent
Sep 4 '14 at 8:29
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When do you use Git rebase instead of Git merge?
...
Short Version
Merge takes all the changes in one branch and merges them into another branch in one commit.
Rebase says I want the point at which I branched to move to a new starting point
So when do you use either one?
Merge
Let's say you have created a branch for the...
String slugification in Python
...does a bit more than what you posted (take a look at the source, it's just one file). The project is still active (got updated 2 days before I originally answered, over seven years later (last checked 2020-06-30), it still gets updated).
careful: There is a second package around, named slugify. If y...
PHP: How to send HTTP response code?
... that detects a HTTP response line and lets you replace that with a custom one
header("HTTP/1.1 200 OK");
However, this requires special treatment for (Fast)CGI PHP:
$sapi_type = php_sapi_name();
if (substr($sapi_type, 0, 3) == 'cgi')
header("Status: 404 Not Found");
else
header("HTTP/1....
Remove elements from collection while iterating
... give a few examples with some alternatives to avoid a ConcurrentModificationException.
Suppose we have the following collection of books
List<Book> books = new ArrayList<Book>();
books.add(new Book(new ISBN("0-201-63361-2")));
books.add(new Book(new ISBN("0-201-63361-3")));
books.add(...