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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?

...tion: http://www.postgresql.org/docs/9.3/static/plpgsql-control-structures.html, example 40-2 right at the bottom. That's usually the easiest way. You can do some magic with rules, but it's likely going to be a lot messier. I'd recommend the wrap-in-function approach over that any day. This works ...
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How to check for an active Internet connection on iOS or macOS?

...ow (2018) a bad choice. It now redirects to Apple.com which is a > 40kB html file. Back to google.com - it is only 11kB. BTW google.com/m is same size but is reported to be slower by 120 msec. – BlueskyMed Dec 9 '18 at 17:31 ...
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Cannot set some HTTP headers when using System.Net.WebRequest

... insensitive per the RFC, http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2 share | improve this answer | follow | ...
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When someone writes a new programming language, what do they write it IN?

...mbler, like picolisp. (blog.kowalczyk.info/article/picoLisp-Arc-before-Arc.html) – Prof. Falken Oct 27 '09 at 9:08 1 ...
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Which .NET Dependency Injection frameworks are worth looking into? [closed]

... http://www.codinginstinct.com/2008/05/ioc-container-benchmark-rerevisted.html share | improve this answer | follow | ...
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CSS Font Border?

...If not, are there any not-too-ugly hacks that will accomplish this in CSS/XHTML or do I still need to fire up Photoshop? 11...
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不到20个积木块,我用App Inventor 2给女儿做了个接星星小游戏 - App应用开...

... > 文档参考:https://www.fun123.cn/reference/components/animation.html
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Feedback on using Google App Engine? [closed]

...o can be easily added see http://code.google.com/appengine/articles/django.html google-app-engine-django (http://code.google.com/p/google-app-engine-django/) project is excellent and works almost like working on a Django project You can not execute any long running process on server, what you do is...
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How can I add a box-shadow on one side of an element?

... My self-made solution which is easy to edit: HTML: <div id="anti-shadow-div"> <div id="shadow-div"></div> </div>​ css: #shadow-div{ margin-right:20px; /* Set to 0 if you don't want shadow at the right side */ margin-left:0px...
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Multiple Updates in MySQL

...ether with ON DUPLICATE KEY UPDATE. dev.mysql.com/doc/refman/5.5/en/insert.html – Haralan Dobrev Sep 16 '13 at 14:15 ...