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Futures vs. Promises
...o these two separate "interfaces" is to hide the "write/set" functionality from the "consumer/reader".
auto promise = std::promise<std::string>();
auto producer = std::thread([&]
{
promise.set_value("Hello World");
});
auto future = promise.get_future();
auto consumer = std::thread...
AJAX POST and Plus Sign ( + ) — How to Encode?
...t contains the url encoded data.
For a GET request you can retrieve this from the URI. $_SERVER['REQUEST_URI'] or $_SERVER['QUERY_STRING']. For a urlencoded POST, file_get_contents('php://stdin')
NB:
decode() only works for single byte encoded characters. It will not work for the full UTF-8 ran...
How to get the name of a class without the package?
...pe is anonymous is "[]".
It is actually stripping the package information from the name, but this is hidden from you.
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How do I detect unsigned integer multiply overflow?
...tegers mod 2^32 (or 2^64). The distinction between overflow as a deviation from mathematical infinite-sized integer behaviour, and overflow as an undefined behaviour in the language seems rarely to be made explicit.
– Chris Johnson
Oct 3 '09 at 18:47
...
How do I trap ctrl-c (SIGINT) in a C# console app
... up since it's entirely true. I'll edit Jonas his answer to clarify people from thinking the way Jonathon did (which is not inherently bad but not as Jonas meant his answer)
– M. Mimpen
Dec 2 '13 at 11:43
...
Adding two Java 8 streams, or an extra element to a stream
...bout the concat operation.
In it they discuss the issues that could arise from those cases in which the stream could be infinite and what concatenation would mean in those cases, but I do not think that was the reason for the modification.
You see in this other thread that some early users of the ...
Detecting an undefined object property
...this method is the only way of referring to an undeclared (note: different from having a value of undefined) identifier without an early error:
if(typeof myVariable === 'undefined') {
alert('myVariable is either the special value `undefined`, or it has not been declared');
}
In versions of Java...
Handling Touch Event in UILabel and hooking it up to an IBAction
...
UILabel inherits from UIView which inherits from UIResponder. All UIresponder objects can handle touch events. So in your class file which knows about your view (which contains the UIlabel) implement:
-(void)touchesBegan:(NSSet*)touches wit...
How do I list loaded plugins in Vim?
..., so forgive me if this is totally offbase. But according to what I gather from the following VIM Tips site:
" where was an option set
:scriptnames : list all plugins, _vimrcs loaded (super)
:verbose set history? : reveals value of history and where set
:function :...
PHP: How to remove all non printable characters in a string?
... you just want the 7 bit printable ASCII chars, you can rip out everything from 0-31 and 127-255 with this:
$string = preg_replace('/[\x00-\x1F\x7F-\xFF]/', '', $string);
It matches anything in range 0-31, 127-255 and removes it.
8 bit extended ASCII?
You fell into a Hot Tub Time Machine, and ...