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Does Ruby have a string.startswith(“abc”) built in method?
Does Ruby have a some_string.starts_with("abc") method that's built in?
4 Answers
4
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change text of button and disable button in iOS
...abel for all states
extension UIButton {
public func setAllStatesTitle(_ newTitle: String){
self.setTitle(newTitle, for: .normal)
self.setTitle(newTitle, for: .selected)
self.setTitle(newTitle, for: .disabled)
}
}
and use:
yourBtn.setAllStatesTitle("btn title")
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Octave-Gnuplot-AquaTerm error: set terminal aqua enhanced title “Figure 1”…unknown terminal type"
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I had to add setenv("GNUTERM","X11") to OCTAVE_HOME/share/octave/site/m/startup/octaverc (OCTAVE_HOME usually is /usr/local) to make it work permanently.
Solution found and more details on: http://www.mac-forums.com/forums/os-x-apps-games/242997-plots-octave-dont-work.h...
Performing Breadth First Search recursively
...Queue.Empty.enqueue[Tree[T]](t)
val qq = bfsNumForest(1, q)
qq.dequeue._1
}
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Using querySelectorAll to retrieve direct children
..., selector) {
var id = element.id,
guid = element.id = id || 'query_children_' + count++,
attr = '#' + guid + ' > ',
selector = attr + (selector + '').replace(',', ',' + attr, 'g');
var result = element.parentNode.querySelectorAll(selector);
if (!id) element.removeAttribut...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
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Try this:
$str = preg_replace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) {
return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE');
}, $str);
In case it's UTF-16 based C/C++/Java/Json-style:
$str = preg_replace_cal...
How to add reference to a method parameter in javadoc?
... And make a pull request to javadoc :)
– Juh_
Nov 5 '14 at 13:08
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The performance impact of using instanceof in Java
...and @Override a test method
using an own type implementation
getClass() == _.class implementation
I used jmh to run the benchmark with 100 warmup calls, 1000 iterations under measuring, and with 10 forks. So each option was measured with 10 000 times, which takes 12:18:57 to run the whole benchmar...
Change x axes scale in matplotlib
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Try using matplotlib.pyplot.ticklabel_format:
import matplotlib.pyplot as plt
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plt.ticklabel_format(style='sci', axis='x', scilimits=(0,0))
This applies scientific notation (i.e. a x 10^b) to your x-axis tickmarks
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The server committed a protocol violation. Section=ResponseStatusLine ERROR
... show how to tackle it without closing Skype.
– AltF4_
Jun 2 '16 at 15:44
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