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while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
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In Python 2.x, True is not a keyword, but just a built-in global constant that is defined to 1 in the bool type. Therefore the interpreter still has to load the contents of True. In other words, True is reassignable:
Python 2.7 (r27:82508, Jul 3 2010, 21...
What is the difference between public, protected, package-private and private in Java?
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It is worth putting in words - "Protected modifier makes the object available across other packages, whereas default/no-modifier restricts access to the same package"
– vanguard69
Aug 15 '16 at 16:53
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Curly braces in string in PHP
...g for the same reason as $foo[bar] is wrong outside a string.
// In other words, it will still work, but only because PHP first looks for a
// constant named foo; an error of level E_NOTICE (undefined constant) will be
// thrown.
echo "This is wrong: {$arr[foo][3]}";
// Works. When using multi-di...
Assert an object is a specific type
...legal start of expression, illegal start of type, ';' expected... In other words, your second parameter to the assertThat matcher, CANNOT be "instanceof (BaseClass.class)"! In fact, you didnt even type that correctly, the syntax you used is slightly different - "InstanceOf(" - as a function call! T...
Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
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A grammar is a formal definition of where words can go. For example, adjectives preceed nouns in English grammar, but follow nouns en la gramática española.
Context-free means that the grammer universally in all contexts. Context-sensitive means there are additio...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
...t disabled implies readonly but readonly does not imply disabled. In other words if an element has the disabled attribute then there is no need to also include the readonly attribute. Correct?
– chharvey
Dec 6 '15 at 18:43
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What is the global interpreter lock (GIL) in CPython?
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Python doesn't allow multi-threading in the truest sense of the word. It has a multi-threading package but if you want to multi-thread to speed your code up, then it's usually not a good idea to use it. Python has a construct called the Global Interpreter Lock (GIL).
https://www.youtube...
What is JSONP, and why was it created?
... browser and this with bypassing the "same origin" restrictions.
In other words, you can achieve cross-domain data exchange.
Normally, XMLHttpRequest doesn't permit cross-domain data-exchange directly (one needs to go through a server in the same domain) whereas:
<script src="some_other_doma...
MIT vs GPL license [closed]
... A MIT licensed product (perhaps 'application' would be better word) cannot include GPL code. You can add GPL code into a MIT product, but the resulting application can only be distributed under the GPL licence. I've never before seen someone describe an application that can only be dist...
nginx upload client_max_body_size issue
...patch to fix this on the mailing list: nginx.2469901.n2.nabble.com/… No word whether it will be added to the 1.2.x stable branch, though.
– Joe Shaw
Nov 19 '12 at 18:14
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