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How do I represent a hextile/hex grid in memory?

... Board: # Layout is just a double list of Tiles, some will be None def __init__(self, layout=None): self.numRows = len(layout) self.numCols = len(layout[0]) self.hexagons = [[None for x in xrange(self.numCols)] for x in xrange(self.numRows)] self.edges = [[None for x in xrange(s...
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Align image in center and middle within div

...00%; height:100%"> <img src="http://www.garcard.com/images/garcard_symbol.png"> </div> JSFiddle share | improve this answer | follow ...
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How do I remove documents using Node.js Mongoose?

...s to me more efficient and easy to maintain. See example: Model.remove({ _id: req.body.id }, function(err) { if (!err) { message.type = 'notification!'; } else { message.type = 'error'; } }); UPDATE: As of mongoose 3.8.1, there are several methods that le...
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How do I shuffle an array in Swift?

...Distance` in < Swift 4.1 let d: Int = numericCast(arc4random_uniform(numericCast(unshuffledCount))) let i = index(firstUnshuffled, offsetBy: d) swapAt(firstUnshuffled, i) } } } extension Sequence { /// Returns an array with the contents of this...
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How to check if a value exists in a dictionary (python)

...ed for lookup operations: >>> type(d.viewvalues()) <type 'dict_values'> >>> type(d.values()) <type 'list'> >>> type(d.itervalues()) <type 'dictionary-valueiterator'> EDIT2: As per request in comments... >>> T(lambda : 'four' in d.itervalues()...
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How to draw a line in android

...rself just simple and clean add the line in xml. <View android:layout_width="match_parent" android:layout_height="1dp" android:background="@android:color/black" /> The example code I provided will generate a line that fills the screen in width and has a height of one dp. If you have ...
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Debug vs Release in CMake

...Then from the root of your project: mkdir Release cd Release cmake -DCMAKE_BUILD_TYPE=Release .. make And for Debug (again from the root of your project): mkdir Debug cd Debug cmake -DCMAKE_BUILD_TYPE=Debug .. make Release / Debug will add the appropriate flags for your compiler. There are als...
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Why are function pointers and data pointers incompatible in C/C++?

...ill couldn't convert between the two pointers (short of using non-standard __near and __far modifiers). Additionally there's no guarantee that even if the pointers are the same size, that they point to the same thing - in the DOS Small memory model, both code and data used near pointers, but they p...
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is_file or file_exists in PHP

I need to check if a file is on HDD at a specified location ($path.$file_name). 5 Answers ...
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FormData.append(“key”, “value”) is not working

...a, the way to check the appended information on the server is by a simple $_POST['*your appended data*'] query. like so: js: $('form').submit(function(){ var sessionID = 8; var formData = new FormData(this); formData.append('id', sessionID); $.ajax({ url: "yoururl.php", ...