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Keep only first n characters in a string?
Is there a way in JavaScript to remove the end of a string?
7 Answers
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Regular expressions in C: examples?
I'm after some simple examples and best practices of how to use regular expressions in ANSI C. man regex.h does not provide that much help.
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How to get the first element of an array?
How do you get the first element from an array like this:
31 Answers
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leading zeros in rails
I have fields hr and min , both integers in my application. For hr field, if the user enters "1" I would like Rails to automatically pad it to "01" before saving it to the database. Also for the min field if the user enter "0" it should put in as "00".
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How to change colors of a Drawable in Android?
I'm working on an android application, and I have a drawable that I'm loading up from a source image. On this image, I'd like to convert all of the white pixels to a different color, say blue, and then cache the resultant Drawable object so I can use it later.
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Could not load file or assembly 'Newtonsoft.Json' or one of its dependencies. Manifest definition do
Things I've tried after searching:
32 Answers
32
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How to resolve “must be an instance of string, string given” prior to PHP 7?
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9 Answers
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Does opacity:0 have exactly the same effect as visibility:hidden
If so, does it effectively deprecate the visibility property?
9 Answers
9
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How to make rounded percentages add up to 100%
Consider the four percentages below, represented as float numbers:
17 Answers
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What's the algorithm to calculate aspect ratio?
I plan to use it with JavaScript to crop an image to fit the entire window.
18 Answers
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