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What is an example of the simplest possible Socket.io example?
...quests
var app = http.createServer(function(req, res) {
res.writeHead(200, {'Content-Type': 'text/html'});
res.end(index);
});
// Socket.io server listens to our app
var io = require('socket.io').listen(app);
// Send current time to all connected clients
function sendTime() {
io.emit('...
how to append a list object to another
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edited Feb 17 '12 at 16:30
dmeister
30.8k1818 gold badges6666 silver badges9191 bronze badges
answered ...
How to match all occurrences of a regex
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Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Sep 17 '08 at 5:53
JeanJean
2...
What is ?= in Makefile
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130
?= indicates to set the KDIR variable only if it's not set/doesn't have a value.
For example:
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What does a tilde do when it precedes an expression?
...ntation of the IEEE 754 float (how JavaScript treats numbers) would be...
0011 1111 1111 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
So ~ converts its operand to a 32 bit integer (bitwise operators in JavaScript do that)...
0000 0000 0000 0000 0000 0000 0000 0001
If it wer...
What does [ N … M ] mean in C aggregate initializers?
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90
It is initialization using Designated Initializers.
The range based initialization is a gnu...
npm failed to install time with make not found error
...for MAC.
– Learner
Nov 19 '14 at 13:03
@Learner I believe you may need to install XCode. It should contain all the too...
Replacing some characters in a string with another character
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340
echo "$string" | tr xyz _
would replace each occurrence of x, y, or z with _, giving A__BC___D...
Order by multiple columns with Doctrine
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answered Jul 20 '12 at 8:11
Diego AgullóDiego Agulló
8,03933 gold badges2323 silver badges3838 bronze badges
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Check if item is in an array / list
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edited Feb 10 '19 at 21:23
answered Jun 28 '12 at 19:40
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