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How to get distinct values from an array of objects in JavaScript?

... @zhuguowei perhaps, although there's nothing really wrong with sparse arrays - and I also assumed that age is a relatively small integer (<120 surely) – Niet the Dark Absol Jun 12 '17 at 14:56 ...
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Importing files from different folder

...ere from a search engine, this is not the answer you are looking for. Typically you would structure your files into packages (see other answers) instead of modifying the search path. By default, you can't. When importing a file, Python only searches the directory that the entry-point script is runn...
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Union of dict objects in Python [duplicate]

...yptic, and it immediately makes most readers balk and the remainder assume all the keys in x would have to be legal parameter names. IMHO, the fact it works is a bug in the name-checking mechanisms in the implementation. What happens when you rely on bugs? They either get fixed, or become politic...
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Is there a short cut for going back to the beginning of a file by vi editor?

... @Subhashree Pradhan - Thank you for the insights on Vi Vs Vim. However, looks like there is no such operator/command called 'Shift + GG' - I have just verified in both Vi and Vim. Otherwise, you can use 1G to go to the beginning of the file as the operator G takes a quantifier as...
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Placeholder in UITextView

... I made a few minor modifications to bcd's solution to allow for initialization from a Xib file, text wrapping, and to maintain background color. Hopefully it will save others the trouble. UIPlaceHolderTextView.h: #import <Foundation/Foundation.h> IB_DESIGNABLE @interfac...
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What is your favorite C programming trick? [closed]

... C99 offers some really cool stuff using anonymous arrays: Removing pointless variables { int yes=1; setsockopt(yourSocket, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)); } becomes setsockopt(yourSocket, SOL_SOCKET, SO_REUSEADDR...
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How can I verify if a Windows Service is running

...implemented as a Windows Service. When the device boots, this service typically takes some time to start. I'd like to check, from my code, if the service is running. How can I accomplish this? ...
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Passing variable number of arguments around

...I have a C function which takes a variable number of arguments: How can I call another function which expects a variable number of arguments from inside of it, passing all the arguments that got into the first function? ...
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Find size of object instance in bytes in c#

... First of all, a warning: what follows is strictly in the realm of ugly, undocumented hacks. Do not rely on this working - even if it works for you now, it may stop working tomorrow, with any minor or major .NET update. You can use th...
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Can I zip more than two lists together in Scala?

... Scala treats all of its different tuple sizes as different classes (Tuple1, Tuple2, Tuple3, Tuple4,...,Tuple22) while they do all inherit from the Product trait, that trait doesn't carry enough information to actually use the data values ...