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Using an if statement to check if a div is empty

... It depends what you mean by empty. To check if there is no text (this allows child elements that are empty themselves): if ($('#leftmenu').text() == '') To check if there are no child elements or text: if ($('#leftmenu').contents().length == 0) ...
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Disable orange outline highlight on focus

... @oori it does, however that "breaks" iOS by causing the keyboard to pop up. – Max Nov 9 '12 at 20:49 ...
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How to drop a table if it exists?

...ver 2016+ has a better way, using DROP TABLE IF EXISTS …. See the answer by @Jovan. share | improve this answer | follow | ...
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Add space between HTML elements only using CSS

... it is this: span + span { margin-left: 10px; } Every span preceded by a span (so, every span except the first) will have margin-left: 10px. Here's a more detailed answer to a similar question: Separators between elements without hacks ...
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How to join two sets in one line without using “|”

... If by join you mean union, try this: set(list(s) + list(t)) It's a bit of a hack, but I can't think of a better one liner to do it. share ...
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How do I get the collection of Model State Errors in ASP.NET MVC?

... Because we start by iterating over this.ModelState.Keys, I don't see the potential for a KeyNotFoundException. I think that check would be overkill. – Chris McKenzie Nov 6 '12 at 22:09 ...
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WCF ServiceHost access rights

... The issue is that the URL is being blocked from being created by Windows. Steps to fix: Run command prompt as an administrator. Add the URL to the ACL netsh http add urlacl url=http://+:8000/ServiceModelSamples/Service user=mylocaluser ...
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How to select multiple files with ?

...cification). Browser support is quite good on desktop (just not supported by IE 9 and prior), less good on mobile, I guess because it's harder to implement correctly depending on the platform and version. share | ...
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Gradle store on local file system

...cache location depends on the GRADLE_USER_HOME environment variable value. By default, it is $USER_HOME/.gradle on Unix-OS based and %userprofile%.\gradle on Windows. But if you set this variable, the cache directory would be located from this path. And whatever the case, you should dig into caches...
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Android dismiss keyboard

...er way in the future to do such a simple thing. – Subby May 20 '15 at 11:01 add a comment ...