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Is there a “not in” operator in JavaScript for checking object properties?
...se statement just to use the else portion...
Just negate your condition, and you'll get the else logic inside the if:
if (!(id in tutorTimes)) { ... }
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difference between collection route and member route in ruby on rails?
What is the difference between collection routes and member routes in Rails?
4 Answers
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Why can't I push to this bare repository?
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I'm doing sudo apt-get upgrade git-core and sudo apt-get upgrade git and it think no update is necessary. git --version returns 1.7.3.1. Any idea what's missing? I admit currently apt-get update doesn't work for me, but it did not too long ago.
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Force CloudFront distribution/file update
...to make an API request yourself, you can also log in to the Amazon Console and create an Invalidation request there: docs.amazonwebservices.com/AmazonCloudFront/latest/…
– j0nes
Jul 26 '12 at 6:50
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Sort JavaScript object by key
...swers to this question are outdated, never matched implementation reality, and have officially become incorrect now that the ES6/ES2015 spec has been published.
See the section on property iteration order in Exploring ES6 by Axel Rauschmayer:
All methods that iterate over property keys do so ...
Transposing a 2D-array in JavaScript
... a provided callback function once for each element in an array, in order, and constructs a new array from the results. callback is invoked only for indexes of the array which have assigned values; it is not invoked for indexes which have been deleted or which have never been assigned values.
c...
How to give System property to my test via Gradle and -D
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The -P flag is for gradle properties, and the -D flag is for JVM properties. Because the test may be forked in a new JVM, the -D argument passed to gradle will not be propagated to the test - it sounds like that is the behavior you are seeing.
You can use the sy...
Java: Integer equals vs. ==
...r values. Hence the comparison with == only works for numbers between -128 and 127.
Refer: #Immutable_Objects_.2F_Wrapper_Class_Caching
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How to divide flask app into multiple py files?
...ication currently consists of a single test.py file with multiple routes and the main() route defined. Is there some way I could create a test2.py file that contains routes that were not handled in test.py ?
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Turning live() into on() in jQuery
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The on documentation states (in bold ;)):
Event handlers are bound only to the currently selected elements; they must exist on the page at the time your code makes the call to .on().
Equivalent to .live() would be something like
$(document.body).on('change', 'select[nam...