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heroku - how to see all the logs

...an environment for a variety of reasons. First, if your app has more than one dyno then each log file only represents a partial view into the events of your app. You would have to manually aggregate all the files to get the full view. Second, the filesystem on Heroku is ephemeral meaning whenever ...
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How to break out of nested loops?

... Works, but ugly and not general. What if someone changes the limit to 2000 (suppose the code is longer, so you don't immediately notice it)? – ugoren Mar 14 '12 at 8:17 ...
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Clone Object without reference javascript [duplicate]

I have a big object with much data. And i want to clone this in other variable. When i set some param of the instance B has the same result in the original object: ...
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Check that an email address is valid on iOS [duplicate]

I am developing an iPhone application where I need the user to give his email address at login. 4 Answers ...
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Hidden Features of Java

...ed method returns true if the two given collections are equal or if either one of them contains the given element, otherwise false. The point to notice is that you can invoke methods of both Comparable and Collection on the arguments b1 and b2. ...
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Trigger a button click with JavaScript on the Enter key in a text box

I have one text input and one button (see below). How can I use JavaScript to trigger the button's click event when the Enter key is pressed inside the text box? ...
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getting type T from IEnumerable

...(t => t.GetGenericArguments()[0]); } Some objects implement more than one generic IEnumerable so it is necessary to return an enumeration of them. Edit: Although, I have to say, it's a terrible idea for a class to implement IEnumerable<T> for more than one T. ...
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Best algorithm for detecting cycles in a directed graph [closed]

... Tarjan's strongly connected components algorithm has O(|E| + |V|) time complexity. For other algorithms, see Strongly connected components on Wikipedia. share | ...
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Split string in Lua?

...olution. Use the gmatch function to capture strings which contain at least one character of anything other than the desired separator. The separator is **any* whitespace (%s in Lua) by default: function mysplit (inputstr, sep) if sep == nil then sep = "%s" end ...
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Validating parameters to a Bash script

I came up with a basic one to help automate the process of removing a number of folders as they become unneeded. 10 Answers...