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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]
...that i have an object e.g. user = {} and through the course of using the app this gets populated. Let's say somwhere, after an AJAX call or something i do this:
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How to set background color of an Activity to white programmatically?
... agreed. this changes the colour of the window before the root layout is applied, the accepted answer changes the colour of the root element in the activity's layout
– LairdPleng
Oct 2 '13 at 1:46
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nodejs get file name from absolute path?
...form.
Why need to care about remembering/importing an API while this regex approach also letting us recollect our regex skills.
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Draw a perfect circle from user's touch
...e user to draw on the screen as they touch with their fingers. Very simple App I did as exercise way back.
My little cousin took the liberty of drawing things with his finger with my iPad on this App (Kids drawings: circle, lines, etc, whatever came to his mind).
Then he started to draw circles and ...
No Persistence provider for EntityManager named
...ger*.jar as stated in Ualter Jrs answer below. I am using a standalone GWT app with hibernate-core-4.3.7.jar, hibernate-entitymanager-4.3.7.Final.jar and hibernate-jpa-2.1-api-1.0.0.jar.
– Andreas Dietrich
Dec 15 '14 at 10:56
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How to simulate target=“_blank” in JavaScript
... This answer could be improved by adding some description of what is happening
– Elly Post
Oct 13 '16 at 18:54
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How to convert a double to long without casting?
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Assuming you're happy with truncating towards zero, just cast:
double d = 1234.56;
long x = (long) d; // x = 1234
This will be faster than going via the wrapper classes - and more importantly, it's more readable. Now, if you need rounding ...
Laravel - Eloquent or Fluent random row
... updated my answer accordingly.
edit 2: Laravel 5.2 finally implements a wrapper function for this. It's called inRandomOrder().
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linq query to return distinct field values from a list of objects
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To have DistinctBy to appear you need to add the namespace Microsoft.Ajax.Utilities
– Shiljo Paulson
Aug 11 '16 at 1:33
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What is the difference between “Flush Magento Cache” and “Flush Cache Storage” in magento's cache ma
...ache location (like /tmp/) or service (like Memcache) is shared with other applications. "Flush Magento Cache" removes only those entries that Magento reliably tracks as its own. "Flush Cache Storage" clears everything but might affect other applications if they're using it.
Normally the location i...