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How do I break out of a loop in Scala?
...nt) {
sum += i; if (sum < max) addTo(i+1,max)
}
addTo(0,1000)
(1c) Fall back to using a while loop
var sum = 0
var i = 0
while (i <= 1000 && sum <= 1000) { sum += 1; i += 1 }
(2) Throw an exception.
object AllDone extends Exception { }
var sum = 0
try {
for (i <- 0 to 1...
Mock functions in Go
I'm puzzled with dependencies. I want to be able to replace some function calls with mock ones. Here's a snippet of my code:
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How do I delete all messages from a single queue using the CLI?
How do I delete all messages from a single queue using the cli?
I have the queue name and I want to clean it.
9 Answers
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Nested defaultdict of defaultdict
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For an arbitrary number of levels:
def rec_dd():
return defaultdict(rec_dd)
>>> x = rec_dd()
>>> x['a']['b']['c']['d']
defaultdict(<function rec_dd at 0x7f0dcef81500>, {})
>>> print json.dumps(x)
{"a": {"b": {"c": {"d": {}}}}}
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How can I get the iOS 7 default blue color programmatically?
...cluding the system button, segmented control, etc. They've made it easy to select the color using IB, as seen here:
14 Answ...
How to copy an object in Objective-C
...deep, logical copy. In this, we make a copy of the object, but without actually doing it bit by bit - we want an object that behaves the same for all intents and purposes, but isn't (necessarily) a memory-identical clone of the original - the Objective C manual calls such an object "functionally ind...
Linux command or script counting duplicated lines in a text file?
...3
}
or you can use a simple one-liner:
$ cat filename | python3 -c 'print(__import__("json").dumps(__import__("collections").Counter(map(str.strip, __import__("fileinput").input())), indent=2))'
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Does “\d” in regex mean a digit?
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@FarazAhmad, probably not, you have to specify all characters separately
– Kirill Polishchuk
Dec 28 '17 at 23:26
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Custom exception type
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This will not allow you stack traces unless you inherit from Error
– Luke H
Jul 30 '14 at 19:53
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How can I expand the full path of the current file to pass to a command in Vim?
...ught me here, this should be the chosen answer.
– doc_id
Mar 2 '13 at 1:15
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