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Log to the base 2 in python

...n_function_or_method Base Class: <type 'builtin_function_or_method'> String Form: <built-in function log> Namespace: Interactive Docstring: log(x[, base]) -> the logarithm of x to the given base. If the base not specified, returns the natural logarithm (base e) of x. In ...
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Find a pair of elements from an array whose sum equals a given number

... java.util.HashMap; public class ArrayPairSum { public static void main(String[] args) { int []a = {2,45,7,3,5,1,8,9}; printSumPairs(a,10); } public static void printSumPairs(int []input, int k){ Map<Integer, Integer> pairs = new HashMap<Integer, Integer&g...
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How does Duff's device work?

...nion that is the key to understanding this code. – Richard Chambers Apr 20 '13 at 23:03 3 Am I mi...
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How do I decode HTML entities in Swift?

I am pulling a JSON file from a site and one of the strings received is: 23 Answers 23...
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Looking for a clear definition of what a “tokenizer”, “parser” and...

...hes extra context to the tokens -- this token is a number, that token is a string literal, this other token is an equality operator. A parser takes the stream of tokens from the lexer and turns it into an abstract syntax tree representing the (usually) program represented by the original text. Las...
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Docker - how can I copy a file from an image to a host?

...asks about. However, +1 because it also works with files and comes with an extra feature: permission and owner preservation. Great! – caligari Nov 30 '17 at 9:06 5 ...
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Can I stop 100% Width Text Boxes from extending beyond their containers?

... What you could do is to remove the default "extras" on the input: input.wide {display:block; width:100%;padding:0;border-width:0} This will keep the input inside its container. Now if you do want the borders, wrap the input in a div, with the borders set on the div ...
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Differences between fork and exec

..." functions to create the child process execvp (argv[0], const_cast<char**>(argv)); } else { // This is the Parent Process //Continue executing parent process } share | ...
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Concatenating two one-dimensional NumPy arrays

... the input list in various ways before hand. np.stack for example adds an extra dimension to all input arrays. Look at their source code. Only concatenate is compiled. – hpaulj May 26 '17 at 16:45 ...
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Best way to get identity of inserted row?

...serted in the SQL code you sent to the database. If triggers go and create extra rows, they won't cause the wrong value to get returned. Hooray IDENT_CURRENT returns the last ID that was inserted by anyone. If some other app happens to insert another row at an unforunate time, you'll get the ID of ...