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Can you add new statements to Python's syntax?

...r the until statement. I found where the while statement was defined (while_stmt), and added until_stmt below [2]: compound_stmt: if_stmt | while_stmt | until_stmt | for_stmt | try_stmt | with_stmt | funcdef | classdef | decorated if_stmt: 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' su...
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Determine command line working directory when running node bin script

...ge) if it's has not been changed by 'process.chdir' inside of application. __filename returns absolute path to file where it is placed. __dirname returns absolute path to directory of __filename. If you need to load files from your module directory you need to use relative paths. require('../lib/...
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How to read keyboard-input?

... try raw_input('Enter your input:') # If you use Python 2 input('Enter your input:') # If you use Python 3 and if you want to have a numeric value just convert it: try: mode=int(raw_input('Input:')) except ValueError: ...
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Count the number occurrences of a character in a string

...quently, check out collections.Counter: from collections import Counter my_str = "Mary had a little lamb" counter = Counter(my_str) print counter['a'] share | improve this answer | ...
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Python constructor and default value [duplicate]

...don't generally do what you want. Instead, try this: class Node: def __init__(self, wordList=None, adjacencyList=None): if wordList is None: self.wordList = [] else: self.wordList = wordList if adjacencyList is None: self.adjacencyL...
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What is the difference between '/' and '//' when used for division?

...he 2.x line, there is no difference for integers unless you perform a from __future__ import division, which causes Python 2.x to adopt the 3.x behavior. Regardless of the future import, 5.0 // 2 will return 2.0 since that's the floor division result of the operation. You can find a detailed descr...
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Is there a way to 'uniq' by column?

...o you need the ,1 in -k1,1? why not just -k1? – hello_there_andy Nov 24 '14 at 20:10 19 @hello_th...
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GET URL parameter in PHP

... $_GET is not a function or language construct—it's just a variable (an array). Try: <?php echo $_GET['link']; In particular, it's a superglobal: a built-in variable that's populated by PHP and is available in all scope...
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Pointers in Python?

...putations, possibilities would include: class Form(object): ... def __getattr__(self, name): return self.data[name] and class Form(object): ... @property def data(self): return self.__dict__ The presence of .value suggests picking the first form, plus a kind-of-use...
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Espresso: Thread.sleep( );

... On my mind correct approach will be: /** Perform action of waiting for a specific view id. */ public static ViewAction waitId(final int viewId, final long millis) { return new ViewAction() { @Override public Matcher<View...