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Interfacing with structs and anonymous unions with c2hs

...You would have to do this patch for each version of the lib. struct monome_event { monome_t *monome; monome_event_type_t event_type; /* __extension__ for anonymous unions in gcc */ __extension__ union { struct me_grid { unsigned int x; unsigned int y...
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Number of elements in a javascript object

...et it. In the past, Mozilla's Javascript variant exposed the non-standard __count__, but it has been removed with version 1.8.5. For cross-browser scripting you're stuck with explicitly iterating over the properties and checking hasOwnProperty(): function countProperties(obj) { var count = 0;...
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How do I copy items from list to list without foreach?

...eetening things up a bit from posts above: ( thanks everyone :) /* Where __strBuf is a string list used as a dumping ground for data */ public List < string > pullStrLst( ) { List < string > lst; lst = __strBuf.GetRange( 0, __strBuf.Count ); __strBuf.Clear( ); ...
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Python debugging tips [closed]

... PDB You can use the pdb module, insert pdb.set_trace() anywhere and it will function as a breakpoint. >>> import pdb >>> a="a string" >>> pdb.set_trace() --Return-- > <stdin>(1)<module>()->None (Pdb) p a 'a string' (Pdb) To...
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How to use the IEqualityComparer

... implement.1 In your code, the solution is to forward GetHashCode to Class_reglement.Numf.GetHashCode and implement it appropriately there. Apart from that, your Equals method is full of unnecessary code. It could be rewritten as follows (same semantics, ¼ of the code, more readable): public boo...
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Cannot push to Heroku because key fingerprint

I am new to Rails, and I was trying to deploy a very simple app to Heroku. This is the second app that I deploy, and the first one I was able to do it just fine. However I am having some issues with this one. Whenever I " git push heroku master ", I get this error: ...
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Why do we use __init__ in Python classes?

...ical piece of understanding: the difference between a class and an object. __init__ doesn't initialize a class, it initializes an instance of a class or an object. Each dog has colour, but dogs as a class don't. Each dog has four or fewer feet, but the class of dogs doesn't. The class is a concept o...
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Creating the Singleton design pattern in PHP5

...ctor so nobody else can instantiate it * */ private function __construct() { } } To use: $fact = UserFactory::Instance(); $fact2 = UserFactory::Instance(); $fact == $fact2; But: $fact = new UserFactory() Throws an error. See http://php.net/manual/en/language.variable...
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powershell - extract file name and extension

... select -ExpandProperty value $b | % {"File name:{0} - Extension:{1}" -f $_.substring(0, $_.lastindexof('.')) , $_.substring($_.lastindexof('.'), ($_.length - $_.lastindexof('.'))) } If is a file you can use something like this based on your needs: $a = dir .\my.file.xlsx # or $a = get-item c:\m...
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Flex-box: Align last row to grid

...p:wrap; } .grid::after{ content: ''; width: 10em // Same width of .grid__element } .grid__element{ width:10em; } With the HTML like this: <div class=grid"> <div class="grid__element"></div> <div class="grid__element"></div> <div class="grid__elemen...