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Is “argv[0] = name-of-executable” an accepted standard or just a common convention?

...utable? Or is this just a common convention and not guaranteed to be true 100% of the time? 8 Answers ...
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PHP abstract properties

...lass Father { public $name; abstract protected function setName(); // now every child class must declare this // function and thus declare the property public function __construct() { $this->setName(); } } class Son extends Father { prote...
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GoTo Next Iteration in For Loop in java

... answered Jun 22 '12 at 17:10 Jigar JoshiJigar Joshi 219k4141 gold badges370370 silver badges417417 bronze badges ...
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jQuery: checking if the value of a field is null (empty)

... answered Nov 22 '10 at 10:47 GuffaGuffa 619k9090 gold badges651651 silver badges926926 bronze badges ...
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How to compare two strings in dot separated version format in Bash?

...ty fields in ver2 with zeros ver2[i]=0 fi if ((10#${ver1[i]} > 10#${ver2[i]})) then return 1 fi if ((10#${ver1[i]} < 10#${ver2[i]})) then return 2 fi done return 0 } testvercomp () { vercom...
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How the single threaded non blocking IO model works in Node.js

...e it sends back the results to callback which sends the response. Node.js knows to execute callback when fetch finishes. In my opinion, because it's a single thread model, there is no way to switch from one request to another. Actually the node server does exactly that for you all the time. To mak...
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Why `null >= 0 && null

... answered May 26 '10 at 6:39 Christian C. SalvadóChristian C. Salvadó 688k171171 gold badges886886 silver badges826826 bronze badges ...
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How can I check if an ip is in a network in Python?

...t == net address = dottedQuadToNum("192.168.1.1") networka = networkMask("10.0.0.0",24) networkb = networkMask("192.168.0.0",24) print (address,networka,networkb) print addressInNetwork(address,networka) print addressInNetwork(address,networkb) This outputs: False True If you just want a singl...
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Remove a string from the beginning of a string

... Takes: 0.1749 ms (0.000,174,999 seconds) the 1st run (compiling), and 0.0510 ms (0.000,051,021 seconds) after. Profiled on my server, obviously. share | improve this answer | ...
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What are some (concrete) use-cases for metaclasses?

...Having said that, Python 3.6 introduced the much simpler init_subclass, so now you can manipulate subclasses in a baseclass, and no longer need a metaclass for that purpose. – Dan Gittik Jun 10 '18 at 20:38 ...