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Generating random whole numbers in JavaScript in a specific range?

...d it. It's a simple rule of three: Math.random() returns a Number between 0 (inclusive) and 1 (exclusive). So we have an interval like this: [0 .................................... 1) Now, we'd like a number between min (inclusive) and max (exclusive): [0 .................................... 1)...
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How do I convert a float number to a whole number in JavaScript?

... 5 5 ~~value // 5 5 5 value | 0 // 5 5 5 value >> 0 // 5 5 5 value >>> 0 // 5 5 5 value - value % 1 // 5 5 5 Negative // val...
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Why are elementwise additions much faster in separate loops than in a combined loop?

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Pandas: drop a level from a multi-level column index?

...pd.DataFrame([[1,2], [3,4]], columns=cols) >>> df a b c 0 1 2 1 3 4 [2 rows x 2 columns] >>> df.columns = df.columns.droplevel() >>> df b c 0 1 2 1 3 4 [2 rows x 2 columns] ...
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“f” after number

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How to generate random SHA1 hash to use as ID in node.js?

... edited May 23 '17 at 12:10 Community♦ 111 silver badge answered Feb 23 '12 at 6:28 ...
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Encrypt and decrypt a string in C#?

... EDIT 2013-Oct: Although I've edited this answer over time to address shortcomings, please see jbtule's answer for a more robust, informed solution. https://stackoverflow.com/a/10366194/188474 Original Answer: Here's a working ex...
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Is there a way to detect if an image is blurry?

... answered Oct 14 '11 at 10:01 Simon BergotSimon Bergot 9,08866 gold badges3131 silver badges5353 bronze badges ...
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Algorithm for Determining Tic Tac Toe Game Over

...; //check end conditions //check col for(int i = 0; i < n; i++){ if(board[x][i] != s) break; if(i == n-1){ //report win for s } } //check row for(int i = 0; i < n; i++){ ...
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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...