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NOW() function in PHP
...l got ~800 upvotes more. Your answer submission was probably seconds apart from his. :) Thank You for writing it anyways :D
– Aleksandar
May 29 '19 at 8:50
3
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What is a “translation unit” in C++
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From here: (wayback machine link)
According to standard C++ (wayback machine link) :
A translation unit is the basic unit
of compilation in C++. It consists of
the contents of a single source file,
plus the conte...
Streaming via RTSP or RTP in HTML5
I'm building a web app that should play back an RTSP/RTP stream from a server http://lscube.org/projects/feng .
8 Answers
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Speed up the loop operation in R
... names.
So how better is it?
I run each function for data.frame with nrow from 1,000 to 10,000 by 1,000 and measure time with system.time
X <- as.data.frame(matrix(sample(1:10, n*9, TRUE), n, 9))
system.time(dayloop2(X))
Result is
You can see that your version depends exponentially from nr...
What's the difference between “groups” and “captures” in .NET regular expressions?
...istory tracker. When the regex makes his match, it goes through the string from left to right (ignoring backtracking for a moment) and when it encounters a matching capturing parentheses, it will store that in $x (x being any digit), let's say $1.
Normal regex engines, when the capturing parenthes...
What is an example of the simplest possible Socket.io example?
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// Respond with a message including this clients' id sent from the server
socket.emit('i am client', {data: 'foo!', id: data.id});
});
socket.on('time', function(data) {
addMessage(data.time);
});
socket...
Determine if Android app is being used for the first time
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@Alan you are right, this answer is no longer valid from Android Marshmallow.
– Ioane Sharvadze
May 12 '17 at 17:03
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How do you design object oriented projects? [closed]
...onality.
Create a class diagram. If you're a Java developer, NetBeans 6.7 from Sun has a UML module that allows for diagramming as well as round-trip engineering and it's FREE. Eclipse (an open source Java IDE), also has a modeling framework, but I have no experience with it. You may also want t...
List all base classes in a hierarchy of given class?
...h, nice. And for even nicer output, use pprint! python -c 'import inspect; from pprint import pprint as pp; pp(inspect.getclasstree(inspect.getmro(IOError)))'
– penguin359
Nov 15 '16 at 4:58
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Why doesn't java.util.Set have get(int index)?
...ions which use Object-Relational Mapping (for example with Hibernate); and from all the people who replied here, Andreas Petersson is the only one who understood the real issue and offered the correct answer to it: Java is missing a UniqueList! (or you can also call it OrderedSet, or IndexedSet).
M...