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Is there an IDictionary implementation that, on missing key, returns the default value instead of th

... Indeed, that won't be efficient at all. You could always write an extension method: public static TValue GetValueOrDefault<TKey,TValue> (this IDictionary<TKey, TValue> dictionary, TKey key) { TValue ret; // Ignore return value dic...
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Javascript trick for 'paste as plain text` in execCommand

... It will intercept the paste event, cancel the paste, and manually insert the text representation of the clipboard: http://jsfiddle.net/HBEzc/. This should be the most reliable: It catches all kinds of pasting (Ctrl+V, context menu, etc.) It allows you to get the clipboard data direc...
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How can building a heap be O(n) time complexity?

...itten this to describe how a max heap works. This is the type of heap typically used for heap sort or for a priority queue where higher values indicate higher priority. A min heap is also useful; for example, when retrieving items with integer keys in ascending order or strings in alphabetical order...
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Python - abs vs fabs

...e about complex numbers. Out of interest, what other classes of things can __builtin__.abs() be successfully applied to? – NPE May 27 '12 at 7:31 ...
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How do I calculate square root in Python?

...ethod can be computed as: sqrt = x**(float(1)/2) – VM_AI Sep 28 '18 at 10:41 add a comment  |  ...
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Generating Guids in Ruby

I have problem that is really easily solved with Guids. 10 Answers 10 ...
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Automapper - how to map to constructor parameters instead of property setters

... Use ConstructUsing this will allow you to specify which constructor to use during the mapping. but then all of the other properties will be automatically mapped according to the conventions. Also note that this is different from ConvertUsing in that con...
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This type of CollectionView does not support changes to its SourceCollection from a thread different

...); but it is giving syntax error. Look like Send method is expecting some callback method name. I have tried various options like delegate with parameter but it is not allowing to have my custom parameter. I am very new to this kind of syntax, so it would really helpful if you can provide me synta...
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How do I find all files containing specific text on Linux?

I'm trying to find a way to scan my entire Linux system for all files containing a specific string of text. Just to clarify, I'm looking for text within the file, not in the file name. ...
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How to read/write from/to file using Go?

... Let's make a Go 1-compatible list of all the ways to read and write files in Go. Because file API has changed recently and most other answers don't work with Go 1. They also miss bufio which is important IMHO. In the following examples I copy a file by reading...