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What's quicker and better to determine if an array key exists in PHP?
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there is a difference from php.net you'll read:
isset() does not return TRUE for array
keys that correspond to a NULL value,
while array_key_exists() does.
A very informal test shows array_key_exists() to be about 2.5 times slower than isset()
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Convert a PHP object to an associative array
... the ArrayAccess interface, perhaps in combination with this solution. php.net/manual/en/class.arrayaccess.php
– alttag
Aug 8 '14 at 13:53
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Replace multiple characters in a C# string
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Remember that Strings are wchar_t in .net, you are replacing only a subset of all the possible characters (and you'll need 65536 bools to optimize that...)
– gog
Jul 4 '19 at 12:57
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Why does PHP consider 0 to be equal to a string?
...ating (string)"0" as false I thought it would help others.
http://www.php.net/manual/en/filter.filters.validate.php
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How do I unlock a SQLite database?
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In windows you can try this program http://www.nirsoft.net/utils/opened_files_view.html to find out the process is handling db file. Try closed that program for unlock database
In Linux and macOS you can do something similar, for example, if your locked file is development.db:
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How do I perform an insert and return inserted identity with Dapper?
...Y before than OUTPUT ? KB:2019779 was FIXED ?
– Kiquenet
Feb 15 '17 at 12:48
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@Kiquenet, if I we...
How to select from subquery using Laravel Query Builder?
...g what I write. Nothing is escaped when you call toSql. Read about PDO php.net/manual/en/book.pdo.php and see the result of your $query->toSql()
– Jarek Tkaczyk
Sep 23 '15 at 6:47
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What is the equivalent of Java's final in C#?
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http://en.csharp-online.net/CSharp_FAQ:_What_are_the_differences_between_CSharp_and_Java_constant_declarations
C# constants are declared using the const keyword for compile time constants or the readonly keyword for runtime constants. The semantics...
Binding arrow keys in JS/jQuery
...o good online tools to test the keyboard keycodes: keycode.info asquare.net/javascript/tests/KeyCode.html unixpapa.com/js/key.html
– Riccardo Volpe
Aug 2 '17 at 21:53
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Quickest way to convert XML to JSON in Java [closed]
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@danieltalsky : What import do I need to write? import net.sf.json.JSONObject; or import org.json.JSONObject;. Also which jar do I need to include?
– Fahim Parkar
Jun 3 '12 at 16:15
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