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How to get first character of string?

... for ASCII, but it will break in all sorts of way as soon as you deal with more than that. "????".charAt(0) returns "\ud83d", "café".charAt(3) returns e and drops the accent, etc. stackoverflow.com/questions/38345372/… has some info and a good alternative (use a library) –...
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DropDownList's SelectedIndexChanged event not firing

...the answers above. There might be some situation where in, the "value" of more than one items in the dropdown list is duplicated/same. So, make sure that you have no repeated values in the list items to trigger this "onselectedindexchanged" event ...
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Insert string at specified position

... I made a str_insert function with this line, it is more reusable. – djleop Oct 7 '13 at 9:54 ...
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How to disable postback on an asp Button (System.Web.UI.WebControls.Button)

... Yeaaaaaaaaaa. no. 4 Years later and I stand behind this even more now. Just don't do any of that. – Piotr Kula Apr 10 '19 at 13:47 ...
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PHP Get name of current directory

... I'd say you are most likely looking to use getcwd(), dirname(__FILE__) is more useful when you have a file that needs to include another library and is included in another library. Eg: main.php libs/common.php libs/images/editor.php In your common.php you need to use functions in editor.php, so...
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How to convert the background to transparent? [closed]

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Simple way to create matrix of random numbers

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Problems installing the devtools package

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How To Format A Block of Code Within a Presentation? [closed]

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what is the difference between ajax and jquery and which one is better? [closed]

... A more simple English explanation: jQuery is something that makes AJAX and other JavaScript tasks much easier. share | improv...