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Difference between >>> and >>
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421
>> is arithmetic shift right, >>> is logical shift right.
In an arithmetic shift...
Objective-C - Remove last character from string
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419
In your controller class, create an action method you will hook the button up to in Interface B...
Generate a heatmap in MatPlotLib using a scatter data set
I have a set of X,Y data points (about 10k) that are easy to plot as a scatter plot but that I would like to represent as a heatmap.
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How to determine the first and last iteration in a foreach loop?
...s $item) {
if ($i == 0) {
// first
} else if ($i == $len - 1) {
// last
}
// …
$i++;
}
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Overload constructor for Scala's Case Classes?
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190
Overloading constructors isn't special for case classes:
case class Foo(bar: Int, baz: Int) {...
How to test which port MySQL is running on and whether it can be connected to?
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13 Answers
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Cast Object to Generic Type for returning
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212
You have to use a Class instance because of the generic type erasure during compilation.
publi...
How to silence output in a Bash script?
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189
If it outputs to stderr as well you'll want to silence that. You can do that by redirecting fi...
How to overcome TypeError: unhashable type: 'list'
...ue = [x.strip() for x in line]
key = line[0].strip()
value = line[1].strip()
# Now we check if the dictionary contains the key; if so, append the new value,
# and if not, make a new list that contains the current value
# (For future reference, this is a great place for a default...
How to open, read, and write from serial port in C?
... serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1.
2 Answers
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