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How to check if object has any properties in JavaScript?

...ave any way to create non-enumerable properties. However this has changed now with ECMAScript 5th Edition, and we are able to create non-enumerable, non-writable or non-deletable properties, so the above method can fail, e.g.: var obj = {}; Object.defineProperty(obj, 'test', { value: 'testVal', ...
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SVN 405 Method Not Allowed

...ld not update with it, I cannot determine. – roadsunknown Aug 31 '10 at 23:14 1 Was the case here...
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typeof !== “undefined” vs. != null

...e would use the !== or === operators when comparing a value whose type is known to be a string. – Nicolas Rinaudo Aug 30 '13 at 7:38  |  show ...
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What is the difference between an Azure Web Site and an Azure Web Role

...eaming, etc.) With the April 2014 and September 2014 rollouts, there are now some features common to both Web Apps and Web Roles (and Worker Roles), including: Staging+production slots Wildcard DNS, SSL certificates Visual Studio integration Traffic Manager support Virtual Network support Here...
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Set up Heroku and GoDaddy? [closed]

...it took about 10 minutes. That's it! supermoo-bil-3411.herokuapp.com will now be under www.example.com :) Create a naked domain: A naked domain removes the need to write www in front of your domain name. This can be done by forwarding example.com to www.example.com. This is super easy on GoDaddy...
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Shell - How to find directory of some command?

I know that when you are on shell, the only commands that can be used are the ones that can be found on some directory set on PATH. Even I don't know how to see what dirs are on my PATH variable (and this is another good question that could be answered), what I'd like to know is: ...
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What is meant with “const” at end of function declaration? [duplicate]

...4) will internally correspond to something like Foo f; Foo_Bar(&f, 4). Now adding the const at the end (int Foo::Bar(int random_arg) const) can then be understood as a declaration with a const this pointer: int Foo_Bar(const Foo* this, int random_arg). Since the type of this in such case is cons...
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Node.js app can't run on port 80 even though there's no other process blocking the port

... Not sure why, but on Ubuntu 14.04 this did not work for me. I now use port forwarding via ssh, which is just as easy. I posted an answer below. – panepeter Feb 27 '18 at 9:12 ...
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How to clear the cache of nginx?

... is cacheable as well. If you have removed a page (404 or other errors are now served by the backend), the page now sends a Set-Cookie or a "Content-Control: private" header, the cached content will not be "invalidated". – rbu Feb 2 '16 at 10:17 ...
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Set Locale programmatically

...his answer, since configuration.locale was deprecated from API 24, you can now use: configuration.setLocale(locale); Take in consideration that the minSkdVersion for this method is API 17. Full example code: @SuppressWarnings("deprecation") private void setLocale(Locale locale){ SharedPrefU...