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How do I validate a date string format in python?

... Is there a way of doing that without a try/except? Python tends to slow down significantly when an exception is raised and caught. – chiffa Sep 6 '16 at 1:26 1 ...
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How to loop through all but the last item of a list?

I would like to loop through a list checking each item against the one following it. 6 Answers ...
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Unicode character in PHP string

This question looks embarrassingly simple, but I haven't been able to find an answer. 8 Answers ...
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How to make graphics with transparent background in R using ggplot2?

I need to output ggplot2 graphics from R to PNG files with transparent background. Everything is ok with basic R graphics, but no transparency with ggplot2: ...
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How do I alias commands in git?

... Basically you just need to add lines to ~/.gitconfig [alias] st = status ci = commit -v Or you can use the git config alias command: $ git config --global alias.st status On unix, use single quotes if the alias has a space: $ git con...
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Why doesn't indexOf work on an array IE8?

... Versions of IE before IE9 don't have an .indexOf() function for Array, to define the exact spec version, run this before trying to use it: if (!Array.prototype.indexOf) { Array.prototype.indexOf = function(elt /*, from*/) { var len = this.length >>> 0; var from = Number(ar...
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Center Oversized Image in Div

I have been trying to sort out how to center an oversized image within a div using css only. 11 Answers ...
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How to get the position of a character in Python?

... Just for a sake of completeness, if you need to find all positions of a character in a string, you can do the following: s = 'shak#spea#e' c = '#' print [pos for pos, char in enumerate(s) if char == c] which will return [4, 9] ...
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Insert HTML with React Variable Statements (JSX)

I am building something with React where I need to insert HTML with React Variables in JSX. Is there a way to have a variable like so: ...
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Making the main scrollbar always visible

What CSS is required to make the browser's vertical scrollbar remain visible when a user visits a web page (when the page hasn't enough content to trigger the scrollbar's activation)? ...