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How do I write a custom init for a UIView subclass in Swift?
...elf.s = s
self.i = i
super.init(frame: CGRect(x: 0, y: 0, width: 100, height: 100))
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
}
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warning about too many open figures
...f or .cla on your figure object instead of creating a new figure. From @DavidZwicker
Assuming you have imported pyplot as
import matplotlib.pyplot as plt
plt.cla() clears an axis, i.e. the currently active axis in the current figure. It leaves the other axes untouched.
plt.clf() clears the enti...
Fixed point vs Floating point number
...read definitions about them all over Google. But none that I have read provide a simple enough explanation of what they really are. Can I get a plain definition with example?
...
log4j logging hierarchy order
...ownvoted for your poor terminology: going down, "visibility" works, item. Didn't you wish to explain how logger configuration affects the actual logging (passing log events)? Please consider another update. BTW: the table in the official documentation (at the end of the section) differs in treating ...
Easiest way to upgrade eclipse 3.7 to 4.2 (Juno)
... Eclipse 3.7 plug-ins, or you can add them manually. It's probably a good idea to see if the plug-ins you use have been upgraded for Eclipse 4.2.
Create a new Eclipse 4.2 workspace, and copy your project code from your Eclipse 3.7 workspace. If you discover a problem later, you can fall back to E...
Compute a confidence interval from sample data
I have sample data which I would like to compute a confidence interval for, assuming a normal distribution.
4 Answers
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How to write a cron that will run a script every day at midnight?
...ng like this:
00 00 * * * ruby path/to/your/script.rb
(00 00 indicates midnight--0 minutes and 0 hours--and the *s mean every day of every month.)
Syntax:
mm hh dd mt wd command
mm minute 0-59
hh hour 0-23
dd day of month 1-31
mt month 1-12
wd day of week 0-7 (Sunday = 0 or 7)
...
class
...ss, so that methods can be redefined for the current self object (which inside a class or module body is the class or module itself). Usually, this is used to define class/module ("static") methods:
class String
class << self
def value_of obj
obj.to_s
end
end
end
String.val...
Deserializing JSON Object Array with Json.net
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DeserializeObject() is slow on android phones running ARM. Any better solution for that case?
– Tadej
May 23 '17 at 9:55
1
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Understanding what 'type' keyword does in Scala
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Yes, the type alias FunctorType is just a shorthand for
(LocalDate, HolidayCalendar, Int, Boolean) => LocalDate
Type aliases are often used to keep the rest of the code simple: you can now write
def doSomeThing(f: FunctorType)
which will be interpreted by the compiler as
def doSomeThing(...