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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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jQuery scroll to element

... individual element 100 pixels down Options: scrollTarget: A element, string, or number which indicates desired scroll position. offsetTop: A number that defines additional spacing above scroll target. duration: A string or number determining how long the animation will run. easing: A string...
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What's the difference between echo, print, and print_r in PHP?

... are more or less the same; they are both language constructs that display strings. The differences are subtle: print has a return value of 1 so it can be used in expressions whereas echo has a void return type; echo can take multiple parameters, although such usage is rare; echo is slightly faster ...
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Most efficient way to check for DBNull and then assign to a variable?

...o extension methods: public static T? GetValue<T>(this DataRow row, string columnName) where T : struct { if (row.IsNull(columnName)) return null; return row[columnName] as T?; } public static string GetText(this DataRow row, string columnName) { if (row.IsNull(columnNam...
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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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How to store a list in a column of a database table

...ding on localization), and stitch those together. Otherwise we'd not store strings of text at all. On the other hand, all he wants is a string of strings. And there are ways to do that. – Haakon Løtveit May 25 '17 at 9:36 ...
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How to apply !important using .css()?

...he above, attr() approach modified slightly to preserve the original style string/properties, and modified as suggested by falko in a comment: $('#elem').attr('style', function(i,s) { return (s || '') + 'width: 100px !important;' }); ...
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What is the correct file extension for GLSL shaders? [closed]

...t handle loading shaders from files; you just pass in the shader code as a string, so there's no specific file format. However, glslang, Khronos' reference GLSL compiler/validator, uses the following extensions to determine what type of shader that the file is for: .vert - a vertex shader ...
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How to set timeout for http.Get() requests in Golang?

...r timeout = time.Duration(2 * time.Second) func dialTimeout(network, addr string) (net.Conn, error) { return net.DialTimeout(network, addr, timeout) } func main() { transport := http.Transport{ Dial: dialTimeout, } client := http.Client{ Transport: &transport, ...