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How to sort an ArrayList?
...ase. Sometimes you might want to sort them by distance to 0. I don't even know about the runtime characteristics of reverse, but sorting descending could actually be faster then sorting ascending and then reversing. Moreover, using a List implementation that supports Comparator as constructor argum...
How to map with index in Ruby?
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the call to #index means this is now an O(N^2) loop also why the +2 ? :)
– rogerdpack
Mar 13 '17 at 16:40
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Easy way to see saved NSUserDefaults?
... I've found this has changed in later versions of XCode. You'll now find it in a directory under the current ios version number instead of User - eg /users/your user name/Library/Application Support/iPhone Simulator/4.3/Applications
– nevster
May 21 ...
Change first commit of project with Git? [duplicate]
...anced the option --root for git rebase:
"git rebase [-i] --root $tip" can now be used to rewrite all the history leading to "$tip" down to the root commit.
That new behavior was initially discussed here:
I personally think "git rebase -i --root" should be made to just work without requiring "-...
JavaScript data formatting/pretty printer
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(yes I know you can click to expand them, but clicking 10 or so links every time I want to dump the data is what I'm doing now - very slow progress)
– Dan
Sep 24 '08 at 22:51
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Adding two numbers concatenates them instead of calculating the sum
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I would discourage anyone from using this shortcut. I know that actually parsing a string into a number requires more code but at least the code clearly matches the intention.
– Si Kelly
May 10 '17 at 12:33
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how to get last insert id after insert query in codeigniter active record
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How does codeigniter know which rows were added by a particular object?
– Shekhar Joshi
Jul 21 '15 at 6:48
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How to print a dictionary's key?
...orked beautifully for me in Python 2.7, what's the alternative in Py3k? I know .iteritems() is no longer supported...
– piperchester
Mar 27 '13 at 21:18
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When should I use nil and NULL in Objective-C?
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This accepted answer fails to acknowledge that [NSNull null] is a very different beast. To quote from NSNull Class Reference, "The NSNull class defines a singleton object used to represent null values in collection objects (which don’t allow nil values)." ...
What is the $$hashKey added to my JSON.stringify result
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Angular adds this to keep track of your changes, so it knows when it needs to update the DOM.
If you use angular.toJson(obj) instead of JSON.stringify(obj) then Angular will strip out these internal-use values for you.
Also, if you change your repeat expression to use the track ...