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How to retry after exception?
... a nice way to retry a block of code on failure.
For example:
@retry(wait_random_min=1000, wait_random_max=2000)
def wait_random_1_to_2_s():
print("Randomly wait 1 to 2 seconds between retries")
share
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A cron job for rails: best practices?
...> :environment do
puts "Pulling new requests..."
EdiListener.process_new_messages
puts "done."
end
To execute from the command line, this is just "rake cron". This command can then be put on the operating system cron/task scheduler as desired.
Update this is quite an old question and ans...
How do I read / convert an InputStream into a String in Java?
...Utils)
String result = IOUtils.toString(inputStream, StandardCharsets.UTF_8);
Using CharStreams (Guava)
String result = CharStreams.toString(new InputStreamReader(
inputStream, Charsets.UTF_8));
Using Scanner (JDK)
Scanner s = new Scanner(inputStream).useDelimiter("\\A");
String result...
How to access the correct `this` inside a callback?
... context" precluding the of "context" for some other purpose. Rather, it's based on "context" being inappropriate from both a technical and semantic perspective. I also think the use of "context" instead of "this" is dying out. I don't see any reason to find an alternative term to this or thisBindin...
When is -XAllowAmbiguousTypes appropriate?
... Foo a where
whichOne :: a -> String
instance Foo a where
whichOne _ = "a"
instance Foo [a] where
whichOne _ = "[a]"
-- |
-- >>> main
-- [a]
main :: IO ()
main = putStrLn $ whichOne (undefined :: [Int])
But GHC is not okay with overlapping instances when neither is clearly a b...
Replace new lines with a comma delimiter with Notepad++?
...
If there are trailing spaces on the line you might for _*[\r\n]+. To deal with the blank lines turned into excess commas you could do a regular expression search for ,_[,_]+ and replace with ,_. Alternatively, the TextFx package has a delete blanks lines command that can be used ...
Checking if object is empty, works with ng-show but not from controller?
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This requirement isn't in your question, so my answer is based on the over simplified scenario. If you really need an object to start with, you can try $scope.items = {available: false}, and ng-show="items.available", and in your controller just check if (items.available) {...}.
...
How to wait for all goroutines to finish without using time.Sleep?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to check null objects in jQuery
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what do you think about var _myDiv = $('#myDiv'); ... .... if(_myDiv.lenght) {...} produce exception.
– Nuri YILMAZ
Mar 8 '11 at 19:15
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The character encoding of the HTML document was not declared
... edited Sep 27 '15 at 8:04
joe_young
3,79022 gold badges2020 silver badges3434 bronze badges
answered Sep 27 '15 at 7:08
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