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How do I put an 'if clause' in an SQL string?

...) However, I might guess that you are looping at a higher level. To set all such values, try this: UPDATE purchaseOrder SET purchaseOrder_status = 'COMPLETED' WHERE not exists (SELECT 1 FROM itemsOrdered WHERE itemsOrdered.purchaseOrder_ID = pu...
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Push Notifications in Android Platform

... You can generally get activated very quickly, and it is being used for things like GMail so is know to work in production. Unfortunately their sample code for communicating with the server side aspect of C2DM is lacking. I've written up a...
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What do the crossed style properties in Google Chrome devtools mean?

... a style exists in an matching rule but is commented out, or if you've manually disabled it by unchecking it within the Chrome developer tools. It will also show as crossed out, but with an error icon, if the style has a syntax error.) For example, if a background color was applied to all divs, but...
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PHP String to Float

I am not familiar with PHP at all and had a quick question. 8 Answers 8 ...
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Prevent flicker on webkit-transition of webkit-transform [duplicate]

...ing other elements on the site and I ended up by having to add the rule to all elements on the site. – mlunoe Jan 10 '13 at 13:53 ...
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CSS :not(:last-child):after selector

... If it's a problem with the not selector, you can set all of them and override the last one li:after { content: ' |'; } li:last-child:after { content: ''; } or if you can use before, no need for last-child li+li:before { content: '| '; } ...
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How to create ls in windows command prompt?

... You could: create a batch file called ls.bat and have it contain the dir command only add the directory where the ls.bat file exists to your PATH environment variable You could then execute ls from a command prompt. ...
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Stop node.js program from command line

...ram, you should be using Ctrl + C. If you do that, it sends SIGINT, which allows the program to end gracefully, unbinding from any ports it is listening on. See also: https://superuser.com/a/262948/48624 share | ...
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What is the reason for a red exclamation mark next to my project in Eclipse?

...s view (try Window->Show View) which shows this kind of thing. It's usually missing Jars (eg your project configuration references a jar that isn't there), and that kind of thing, in the case of JDT, but obviously these days Eclipse can be used in so many ways, it could be anything. ...
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Check folder size in Bash

...arent sizes, rather than disk usage; although the apparent size is usually smaller, it may be larger due to holes in ('sparse') files, internal fragmentation, indirect blocks, and the like And of course theres no need for -h (Human readable) option inside a script. Instead You can use ...