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Accessing outside variable using anonymous function as params

...n fetch($query,$func) { $query = mysql_query($query); $retVal = array(); while($r = mysql_fetch_assoc($query)) { $retVal[] = $r; } $func($retVal); } This way you would call $func only once and re-process the array once fetched? Not sure about the performance even tho...
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Java Enum Methods - return opposite direction enum

... NORTH, EAST, SOUTH, WEST; // cached values to avoid recreating such array each time method is called private static final Direction[] VALUES = values(); public Direction getOppositeDirection() { return VALUES[(ordinal() + 2) % 4]; } } ...
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How to use Comparator in Java to sort

...blic static void main(String[] args) { List<Person> people = Arrays.asList( new Person("Joe", 24), new Person("Pete", 18), new Person("Chris", 21) ); Collections.sort(people, new LexicographicComparator()); System....
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mysqli or PDO - what are the pros and cons? [closed]

...r as representations of records which would otherwise be read-write assoc. arrays, this is acceptable. Furthermore it permits easier type checking as records float through the system. – Dan Lugg Jul 16 '11 at 0:50 ...
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How can one use multi threading in PHP applications

...sh' . "\n", date("g:i:sa"), $this->arg); } } } // Create a array $stack = array(); //Initiate Multiple Thread foreach ( range("A", "D") as $i ) { $stack[] = new AsyncOperation($i); } // Start The Threads foreach ( $stack as $t ) { $t->start(); } ?> First Run 12:00...
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In C#, how to check if a TCP port is available?

...workInformation namespace. Use the IPGlobalProperties object to get to an array of TcpConnectionInformation objects, which you can then interrogate about endpoint IP and port. int port = 456; //<--- This is your value bool isAvailable = true; // Evaluate current system tcp connections. Th...
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How do I calculate percentiles with python/numpy?

...nt way to calculate percentiles for a sequence or single-dimensional numpy array? 11 Answers ...
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What did MongoDB not being ACID compliant before v4 really mean?

...example, I remove items from inventory and add them to a reservedInventory array of the same document using atomic modifiers. This lets me always know that items are NOT available in the inventory (because they are reserved by a customer). When the customer check's out, I then remove the items f...
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Why do we use __init__ in Python classes?

...iable named colour that is "fuchsia" - not in the same place in the code. Arrays solve that to a degree. If you say colour = ["grey", "fuchsia"], you have stacked two colours into the variable, but you distinguish them by their position (0, or 1, in this case). Attributes are variables that are bo...
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How to get hex color value rather than RGB value?

... var hexDigits = new Array ("0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"); //Function to convert rgb color to hex format function rgb2hex(rgb) { rgb = rgb.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/); return "#" + hex(...