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Find MongoDB records where array field is not empty

... @wojcikstefan's comment needs to be upvoted to prevent people from using the last suggestion which, indeed, under certain circumstances does not return matching documents. – Thomas Jung Apr 14 '17 at 18:54 ...
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Build Maven Project Without Running Unit Tests

... With Intellij Toggle Skip Test Mode can be used from Maven Projects tab: share | improve this answer | follow | ...
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Android - How to get application name? (Not package name)

...t.getString(stringId); } Hope this helps. Edit In light of the comment from Snicolas, I've modified the above so that it doesn't try to resolve the id if it is 0. Instead it uses, nonLocalizedLabel as a backoff. No need for wrapping in try/catch. ...
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Detecting a redirect in ajax request?

... Welcome to the future! Right now we have a "responseURL" property from xhr object. YAY! See How to get response url in XMLHttpRequest? However, jQuery (at least 1.7.1) doesn't give an access to XMLHttpRequest object directly. You can use something like this: var xhr; var _orgAjax = jQuer...
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Checking user's homepage in Internet Explorer

...le, if www.microsoft.com is set as your homepage, and you call this method from a page on the Microsoft® Web site, then the isHomePage method returns true. However, if your homepage is set to www.microsoft.com and you call this method from a page on a different domain, the method will return false....
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Linux bash: Multiple variable assignment

...cho is pointless, but I was using this technique to return multiple values from a script that I did care about the return status. I thought I would share my findings. – Lee Netherton Oct 22 '15 at 11:26 ...
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Preventing Laravel adding multiple records to a pivot table

...a doublet. You should also take a look at the more straightforward answer from Barryvdh just below. share | improve this answer | follow | ...
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Why can't I use a list as a dict key in python?

...pected behavior. Lists are generally treated as if their value was derived from their content's values, for instance when checking (in-)equality. Many would - understandably - expect that you can use any list [1, 2] to get the same key, where you'd have to keep around exactly the same list object. B...
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What does “Splats” mean in the CoffeeScript tutorial?

... The term "splat operator" comes from Ruby, where the * character (sometimes called the "splat"—see the Jargon File entry) is used to indicate that an entry in an argument list should "soak up" a list of arguments. CoffeeScript adopted Ruby-style splats v...
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Why does Math.floor return a double?

..., but that would result in a performance impact (no conversion instruction from long to double in any instruction set that I'm aware of). I wonder what Math.floor does with doubles > 2^53 at the first place. Some results aren't representable. – Nils Pipenbrinck ...