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How can I add numbers in a Bash script?
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119
Use the $(( )) arithmetic expansion.
num=$(( $num + $metab ))
See Chapter 13. Arithmetic Ex...
Giving a border to an HTML table row,
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119
You can set border properties on a tr element, but according to the CSS 2.1 specification, suc...
Data structure for loaded dice?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Split string with multiple delimiters in Python [duplicate]
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119
Here's a safe way for any iterable of delimiters, using regular expressions:
>>> imp...
Parse v. TryParse
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Greg BeechGreg Beech
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Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
...you handle big images, you should load them with appropriate inSampleSize: http://developer.android.com/training/displaying-bitmaps/load-bitmap.html. But that's another topic.
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How do I convert a dictionary to a JSON String in C#?
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119
Serializing data structures containing only numeric or boolean values is fairly straightforwar...
How do you do relative time in Rails?
...'a second ago'
when 2..59 then a.to_s+' seconds ago'
when 60..119 then 'a minute ago' #120 = 2 minutes
when 120..3540 then (a/60).to_i.to_s+' minutes ago'
when 3541..7100 then 'an hour ago' # 3600 = 1 hour
when 7101..82800 then ((a+99)/3600).to_i.to_s+' hours ago'
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dd: How to calculate optimal blocksize? [closed]
...e Eug-Lug mailing list, circa 2002, recommending a block size of 64K here: http://www.mail-archive.com/eug-lug@efn.org/msg12073.html
For determining THE optimal output block size, I've written the following script that tests writing a 128M test file with dd at a range of different block sizes, from...