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Replace all non-alphanumeric characters in a string

...ce any character that isn't a standard character or number such as (a-z or 0-9) with an asterisk. For example, "h^&ell`.,|o w]{+orld" is replaced with "h*ell*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go about doing this? ...
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How can I change the color of a Google Maps marker?

... answered Mar 18 '10 at 20:00 KevinKevin 12.4k1111 gold badges5353 silver badges8484 bronze badges ...
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What do the different readystates in XMLHttpRequest mean, and how can I use them?

... The full list of readyState values is: State Description 0 The request is not initialized 1 The request has been set up 2 The request has been sent 3 The request is in process 4 The request is complete (from https://www.w3schools.com/js/js_ajax_http_respo...
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Overloading Macro on Number of Arguments

... 270 Simple as: #define GET_MACRO(_1,_2,_3,NAME,...) NAME #define FOO(...) GET_MACRO(__VA_ARGS__, FO...
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Fetch frame count with ffmpeg

...below. ffprobe: Query the container ffprobe -v error -select_streams v:0 -show_entries stream=nb_frames -of default=nokey=1:noprint_wrappers=1 input.mp4 This is a fast method. Not all formats (such as Matroska) will report the number of frames resulting in the output of N/A. See the other met...
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How to merge two sorted arrays into a sorted array? [closed]

... Sumit Singh 23k88 gold badges7070 silver badges9797 bronze badges answered May 11 '11 at 1:19 Greg HewgillGreg Hewgill ...
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Android View.getDrawingCache returns null, only null

... 10 Answers 10 Active ...
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Multiprocessing - Pipe vs Queue

...ts using Pipe() and Queue()... This is on a ThinkpadT61 running Ubuntu 11.10, and Python 2.7.2. FYI, I threw in results for JoinableQueue() as a bonus; JoinableQueue() accounts for tasks when queue.task_done() is called (it doesn't even know about the specific task, it just counts unfinished tasks ...
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Why use softmax as opposed to standard normalization?

... 170 There is one nice attribute of Softmax as compared with standard normalisation. It react to lo...
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Append a NumPy array to a NumPy array

... answered Mar 19 '12 at 18:01 endolithendolith 19.6k2424 gold badges107107 silver badges170170 bronze badges ...