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Ruby: How to get the first character of a string

...was posted it was still quite common): puts 'Smith'[0] # prints 83 Of course, if you're not doing it on a regular basis, then defining the method might be overkill, and you could just do it directly: puts last_name[0,1] ...
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How to replace multiple substrings of a string?

... with 'B' and all 'B' with 'C', the string 'AB' would be transformed into 'CC', and not 'BC'. – Ambroz Bizjak Oct 21 '13 at 10:47 ...
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C# Create New T()

... Robert Harvey 164k4141 gold badges308308 silver badges467467 bronze badges answered Jun 30 '11 at 3:19 Alex AzaAlex Aza ...
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How to use FormData for AJAX file upload?

... I can't add a comment above as I do not have enough reputation, but the above answer was nearly perfect for me, except I had to add type: "POST" to the .ajax call. I was scratching my head for a few minutes trying to figure out wh...
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How to trigger ngClick programmatically

... 183 The syntax is the following: function clickOnUpload() { $timeout(function() { angular.el...
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python date of the previous month

... see the answer of Ivan, and add: min(date.today().day, last_day_of_previous_month.day) – michel.iamit Feb 20 '16 at 10:10 ...
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How can I remove the gloss on a select element in Safari on Mac?

...ce: none; background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='100' height='100' fill='%238C98F2'><polygon points='0,0 100,0 50,50'/></svg>") no-repeat; background-size: 12px; background-position: calc(100% - 20px) center; background-repea...
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How do I drop a function if it already exists?

... MetaphorMetaphor 5,15666 gold badges3838 silver badges6464 bronze badges add a comment ...
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How to make overlay control above all other controls?

...th=\"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 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
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What is this CSS selector? [class*=“span”]

...th=\"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 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...