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How to implement a binary tree?
...ice implementation. I'm just here to point out some style stuff. python usually does node is not None instead of your (node!=None). Also, you can use the __str__ function instead of the printTree method.
– Jeff Mandell
Oct 18 '15 at 2:30
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Why is __init__() always called after __new__()?
... new instance.
__new__ is the first step of instance creation. It's called first, and is
responsible for returning a new
instance of your class.
In contrast,
__init__ doesn't return anything; it's only responsible for initializing the
instance after it's been created.
In ge...
How do I implement interfaces in python?
...interface, a module that is a part of the Zope Component Architecture, a really awesomely cool component framework. Here you don't subclass from the interfaces, but instead mark classes (or even instances) as implementing an interface. This can also be used to look up components from a component reg...
What is the difference between max-device-width and max-width for mobile web?
... actual device screen
Same goes for max-height and max-device-height naturally.
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Visual Studio Clicking Find Results Opens Code in Wrong Window
...
Thanks. Works in VS2015 also
– RandallTo
Nov 24 '15 at 17:29
This solution usually fixes it for me q...
What does “hashable” mean in Python?
...y and a set member, because these data structures use the hash value internally.
All of Python’s immutable built-in objects are hashable, while no mutable containers (such as lists or dictionaries) are. Objects which are instances of user-defined classes are hashable by default; they all comp...
nodejs how to read keystrokes from stdin
...wMode( true );
// resume stdin in the parent process (node app won't quit all by itself
// unless an error or process.exit() happens)
stdin.resume();
// i don't want binary, do you?
stdin.setEncoding( 'utf8' );
// on any data into stdin
stdin.on( 'data', function( key ){
// ctrl-c ( end of text...
Is it possible to cache POST methods in HTTP?
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The corresponding RFC 2616 in section 9.5 (POST) allows the caching of the response to a POST message, if you use the appropriate headers.
Responses to this method are not cacheable, unless the response
includes appropriate Cache-Control or Expires header fields. Howe...
Python argparse: How to insert newline in the help text?
...nfortunately Only the name of this class is considered a public API. All the methods provided by the class are considered an implementation detail. So probably not a great idea, although it might not matter, since 2.7 is meant to be the last 2.x python and you'll be expected to refactor lots ...
Where is my Django installation?
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Current top (accepted) answer works with my Ubuntu installation. As does yours. As do all of them!
– Adam Marshall
Apr 28 '14 at 14:24
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