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What is the most accurate way to retrieve a user's correct IP address in PHP?

... fully-validated, and fully-packaged, version of @AlixAxel's answer: <?php /* Get the 'best known' client IP. */ if (!function_exists('getClientIP')) { function getClientIP() { if (isset($_SERVER["HTTP_CF_CONNECTING_IP"])) { ...
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vim “modifiable” is off

...ot something like this: ~=+www-halo=+test=+lib=+Halo=+Return2=+HeaderTest.php= ~=+www-halo=+test=+lib=+Halo=+Service=+LandmarkTest.php= ~=+www-halo=+test=+lib=+Halo=+Transaction=+AuthnetTest.php= Which is totally useless to you since you have a different file structure. but look for the file tha...
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to

...ion: NOTE The mysql_ functions are deprecated and have been removed in php version 7. Check $result before passing it to mysql_fetch_array. You'll find that it's false because the query failed. See the mysql_query documentation for possible return values and suggestions for how to deal with th...
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jQuery: Return data after ajax call success [duplicate]

... the result: function testAjax(handleData) { $.ajax({ url:"getvalue.php", success:function(data) { handleData(data); } }); } Call it like this: testAjax(function(output){ // here you use the output }); // Note: the call won't wait for the result, // so it will continue...
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Javascript : Send JSON Object with Ajax?

... With jQuery: $.post("test.php", { json_string:JSON.stringify({name:"John", time:"2pm"}) }); Without jQuery: var xmlhttp = new XMLHttpRequest(); // new HttpRequest instance xmlhttp.open("POST", "/json-handler"); xmlhttp.setRequestHeader("Content-...
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Javascript seconds to minutes and seconds

... var secs = ~~duration % 60; // Output like "1:01" or "4:03:59" or "123:03:59" var ret = ""; if (hrs > 0) { ret += "" + hrs + ":" + (mins < 10 ? "0" : ""); } ret += "" + mins + ":" + (secs < 10 ? "0" : ""); ret += "" + secs; return ret; } ~~ is a sh...
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A non well formed numeric value encountered

I have a form that passes two dates (start and finish) to a PHP script that will add those to a DB. I am having problems validating this. I keep getting the following errors ...
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C# member variable initialization; best practice?

...it : base() unless you add something more specific - which could be : base(123, "abc"), or could be : this(123, "abc"). – Marc Gravell♦ Sep 22 '12 at 9:51 ...
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)

...; Proof of concept here: https://dtbaker.net/files/prevent-post-resubmit.php I would still recommend a Post/Redirect/Get approach, but this is a novel JS solution. share | improve this answer ...
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http HEAD vs GET performance

...EAD might work nicely. For example, suppose you want to check if resource 123 exists. A 200 means "yes" and a 404 means "no": HEAD /resources/123 HTTP/1.1 [...] HTTP/1.1 404 Not Found [...] However, if the "yes" or "no" you want from your REST service is a part of the resource itself, rather th...