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How can I scan barcodes on iOS?
...codes and the iphone code in the project were retired around the start of 2014.
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Remove columns from dataframe where ALL values are NA
I'm having trouble with a data frame and couldn't really resolve that issue myself:
The dataframe has arbitrary properties as columns and each row represents one data set .
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How to convert all text to lowercase in Vim
How do you convert all text in Vim to lowercase? Is it even possible?
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Fix code indentation in Xcode
...evious code maintains its former indentation instead of adjusting automatically.
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How do you round to 1 decimal place in Javascript?
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If you use Math.round(5.01) you will get 5 instead of 5.0.
If you use toFixed you run into rounding issues.
If you want the best of both worlds combine the two:
(Math.round(5.01 * 10) / 10).toFixed(1)
You might want to create a function for thi...
How to export all collections in MongoDB?
I want to export all collections in MongoDB by the command:
26 Answers
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Access lapply index names inside FUN
...Here the function uses "global" variable x and extracts the names in each call.
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How to checkout in Git by date?
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CarlCarl
37.5k1010 gold badges7070 silver badges9797 bronze badges
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How can I write text on a HTML5 canvas element?
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Mr. Polywhirl
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answered Apr 26 '12 at 16:46
ZibriZibri
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How do I replace all line breaks in a string with elements?
How can I read the line break from a value with JavaScript and replace all the line breaks with <br /> elements?
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