All Questions

my site hacked twice in last year 2016 . so is that any remedy which should i apply to make PHP Website more secure and strong system. so some hack really needed to make PHP more secure ? what is the setting should i change in the PHP to make it more secure ?

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i found many script which use !function( , exclamation mark before the function , i dont understand why it used. twitter code to embed widget.js have used !function what is use of exclamation mark before the function ? what exclamation mark before the function really do ? is that means dont run function (if ! used for not operator ) or something else use of it ?

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Open-source CMS have many code advantage like , it well tested , very much flexibility , easy to extend functionality etc. but its also good attraction of hacker / cracker also . me using Joomla for many of my website . i know many good loop hole should be there where people can get in and try to thief data and make some miscellaneous activity which harm my user one or other way . so is there way to make more secure to Joomla .please share me some info so i can start work on my to make more secure to Joomla how one can improve security of Joomla ?

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Does Python have a ternary conditional operator? if yes how one can use it . if no than lets try to make some custom code to create ternary conditional function.

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How does database indexing work?

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how to create static variable in JavaScript ?

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how can UPDATE table 's field value from SELECT query in MySQL

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How to redirect one to another page in JavaScript ? what is the best code to do redirection one page to another in JavaScript ? is jQuery or dojo or any other framework do redirection best or pure JavaScript is enough ?

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on the click of the content displaying textarea to edit the content. now want to remove textarea on click outside of the textarea ? how to detect outside click for an element in jQuery ?

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in jQuery .hide() used to hide element .show() used to show element .toggle() used to show/hide element but is there a function which used to check is element hidden ? or is element already visible ? i mean before to use .show() , .hide() , want to check isHidden() or isVisible() for element in jQuery ?

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HTML5 Doctype had so what is difference between <meta charset="utf-8" /> and <meta http-equiv="Content-Type" > ? and what is pros and cons over each other ? which one is best to use between <meta charset="utf-8" /> and <meta http-equiv="Content-Type" > ? i used both in some web application . but did not find good difference between , so which is best to use for which purpose between <meta charset="utf-8" /> and <meta http-equiv="Content-Type" > ?

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how prototype work in JavaScript ? i mean its alternative of the object if no why one should use prototype in JavaScript ? why one do use prototype and what is benefit of using .prototype ?

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what is difference between include and extend in Ruby?

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what is difference between include and require in Ruby? include seems to include file and require seems to only if file is required. so am guessing good ? include vs require in Ruby , need to know pros and cons of include and require in Ruby .

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include , require , include_once , require_once all function do include file . above code will include include.php , include_once.php , require.php , require_once.php if all do include file so what is the difference between include , require , include_once , require_once ?

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it seems #import and #include both do same job , #import and #include both do include header file . so why one made two function do the same work. so is there any difference between #import and #include ? or #import and #include are same .

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how one can include one JavaScript file to another JavaScript file ? as like css have @import to include another css . do we have same import function or something to include JavaScript file to another JavaScript file

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what is use of "use strict" in JavaScript ? i got many library or code in JavaScript which have used "use strict" so "use strict" stand for what ? how to use "use strict "? and what is reason behind for use of "use strict" ?

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where i should use == (double equal to) operator and === (triple equal to) operator ? what is the difference between == (double equal to) operator and === (triple equal to) ? i know (single equal to) = used as assignment operator . it assigns values , suppose still it give of mycode's value if it equal to 10 so it seems both == (double equal to) operator and === (triple equal to) operator had same behavior . so why one made extra operator === (triple equal to) operator, it had to some reason and math behind the === (triple equal to) operator , so please tell me what is the difference between == (double equal to) operator and === (triple equal to) ?

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how Spaceship Operator ( <=>) work ? what it means when we say x<=>y and how it interact with array what this give us result ? optional info i need is , all other language like PHP , Python , have Spaceship Operator ?

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