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Error 1022 - Can't write; duplicate key in table

...raints are currently in use you can use the following query: SELECT `TABLE_SCHEMA`, `TABLE_NAME` FROM `information_schema`.`KEY_COLUMN_USAGE` WHERE `CONSTRAINT_NAME` IN ('iduser', 'idcategory'); share | ...
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$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions

I am trying to setup my machine with pecl_http and memcache and in both cases, I get similar errors. This is on MAC OS X 10.7.3 (lion) and I also have XCODE installed on it. I also installed Zend Server community edition before running these commands and have CFLAGS='-arch i386 -arch x86_64' environ...
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How do I get the information from a meta tag with JavaScript?

... To get it working with OG tags add quotes to it like this_: var title = document.head.querySelector('[property="og:title"]'); – arpo May 8 '17 at 8:21 1 ...
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Precision String Format Specifier In Swift

... a simple way is: import Foundation // required for String(format: _, _) print(String(format: "hex string: %X", 123456)) print(String(format: "a float number: %.5f", 1.0321)) share | impro...
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How to ignore deprecation warnings in Python

.../eddyp/virtualenv/lib/python2.6/site-packages/Twisted-8.2.0-py2.6-linux-x86_64.egg/twisted/persisted/sob.py:12: DeprecationWarning: the md5 module is deprecated; use hashlib instead import os, md5, sys /home/eddyp/virtualenv/lib/python2.6/site-packages/Twisted-8.2.0-py2.6-linux-x86_64.egg/twisted/p...
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How do I convert an NSString value to NSData?

...t Developer coming here, to convert from NSString / String to NSData var _nsdata = _nsstring.dataUsingEncoding(NSUTF8StringEncoding) share | improve this answer | follow ...
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Correct way to pass multiple values for same parameter name in GET request

...s multiple values from this example at w3schools. <form action="/action_page.php"> <select name="cars" multiple> <option value="volvo">Volvo</option> <option value="saab">Saab</option> <option value="opel">Opel</option> <option value="audi"...
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What's a reliable way to make an iOS app crash?

... Since we all use Clang for iOS, this is fairly reliable: __builtin_trap(); This has the benefit that it's designed for exactly this purpose, so it shouldn't generate any compiler warnings or errors. share...
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How to change background color in android app

... but isn't it easier just to use the hex value? – the_prole Jun 21 '14 at 9:31 it would be very easy, but bad practice...
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Call UrlHelper in models in ASP.NET MVC

...nswers, I ended up with $"/api/Things/Action/{id}" Haters gonna hate ¯\_(ツ)_/¯ share | improve this answer | follow | ...