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MySQL - UPDATE query based on SELECT Query

... This is by far the fastest query. Edit: Having dest with 22K rows, and src with 4K rows, it took under 1 sec to complete, while the top answer over 60 sec. – Chris Dev Jun 19 '17 at 15:06 ...
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SQL WHERE condition is not equal to?

...ation). So that means you have to use IS NOT NULL. – Byson Aug 20 '14 at 14:31 add a comment ...
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How can I detect whether an iframe is loaded?

... javascript window.onload=function(){ var ifr=document.getElementById('MainPopupIframe'); ifr.onload=function(){ this.style.display='block'; console.log('laod the iframe') }; var btn=document.getElementById('click'); btn.onclick=function(){ ...
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How do I use su to execute the rest of the bash script as that user?

...l definetly show 0 (because the second one was executed inside a block run by root). You can user whoami instead of id which will return the name instead of the id – Mohammed Noureldin Dec 24 '16 at 14:17 ...
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What are best practices for REST nested resources?

...ich would return employees for that company. It depends on what is needed by your consuming client - that is what you should be designing for. But I would hope that all URLs handlers use the same backing code to satisfy the requests so that you aren't duplicating code. ...
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SQL update fields of one table from fields of another one

...ral languages. also if you want to use triggers you can use them as well - by adding sync field for example firing trigger only when it is set). – Unreason May 4 '10 at 9:39 a...
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How to identify all stored procedures referring a particular table

...I am facing difficulty to find list of all sp's. Please suggest some query by assuming that the table name is 'x' and database is sql server 2005. ...
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Push to GitHub without a password using ssh-key

...thub then advise you to point a new repository's remote end to an http URL by default. I just created a repository from scratch, and I was presented with an option for setting an https remote URL, not a git one. – Preslav Rachev Jan 5 '17 at 11:38 ...
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Cannot set property 'innerHTML' of null

... the script tags (present in head section of your HTML file) gets executed by the browser rendering engine even before your whole DOM (various HTML element tags present within body tag) is loaded. The scripts present in head tag are trying to access an element having id hello even before it has act...
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Can I have an onclick effect in CSS?

...ctive, where you don't have mouseUp) is to use the checkbox hack. It works by attaching a label to an <input type="checkbox"> element via the label's for="" attribute. This feature has broad browser support (the :checked pseudo-class is IE9+). Apply the same value to an <input>'s ID attr...