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What does jQuery.fn mean?

... | edited Nov 3 '10 at 0:54 answered Nov 3 '10 at 0:49 ...
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Check if array is empty or null

...to check if an array is empty or null in jQuery. I tried array.length === 0 but it didn't work. It did not throw any error either. ...
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How to do a newline in output

... answered Jan 13 '10 at 21:06 kjagiellokjagiello 7,30922 gold badges2727 silver badges4646 bronze badges ...
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socket.emit() vs. socket.send()

...er custom event like that: server: var io = require('socket.io').listen(80); io.sockets.on('connection', function (socket) { socket.emit('news', { hello: 'world' }); socket.on('my other event', function (data) { console.log(data); }); }); client: var socket = io.connect('http://local...
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C++ convert vector to vector

... | edited May 30 '17 at 13:00 Harry 322 bronze badges answered Jun 18 '11 at 21:51 ...
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Is it possible to delete an object's property in PHP?

...| edited Jun 18 '19 at 17:03 Nathan Arthur 4,57133 gold badges3636 silver badges6060 bronze badges answe...
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Numpy array assignment with copy

... answered Oct 30 '13 at 7:59 BlckknghtBlckknght 80.1k99 gold badges9393 silver badges141141 bronze badges ...
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How to plot multiple functions on the same figure, in Matplotlib?

...m numpy import * import math import matplotlib.pyplot as plt t = linspace(0, 2*math.pi, 400) a = sin(t) b = cos(t) c = a + b plt.plot(t, a, 'r') # plotting t, a separately plt.plot(t, b, 'b') # plotting t, b separately plt.plot(t, c, 'g') # plotting t, c separately plt.show() ...
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How to remove the last character from a string?

...ring method(String str) { if (str != null && str.length() > 0 && str.charAt(str.length() - 1) == 'x') { str = str.substring(0, str.length() - 1); } return str; } share | ...
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recursively add file extension to all files

... | edited Jul 10 '09 at 9:24 answered Jul 10 '09 at 9:14 ...