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Why dict.get(key) instead of dict[key]?
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I will give a practical example in scraping web data using python, a lot of the times you will get keys with no values, in those cases you will get errors if you use dictionary['key'], whereas dictionary.get('key', 'return_otherwise') has no problems.
Similarly,...
How to find the JVM version from a program?
...cgi" Undocumented
java.specification.name "Java Platform API Specification" "Java Platform API Specification" "Java Platform API Specification" Java Runtime Environment specification name
java.specification.vendor "Oracle Corporation" ...
Rails update_attributes without save?
...=> 'Sierra', :years => '1990', :looks => 'Sexy'}
Source: http://api.rubyonrails.org/classes/ActiveRecord/Base.html
attributes=(new_attributes, guard_protected_attributes = true)
Allows you to set all the attributes at once by passing in a hash with keys matching the attribute names (whic...
Encode String to UTF-8
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@AhmadHajjar docs.oracle.com/javase/10/docs/api/java/lang/… : "The Java platform uses the UTF-16 representation in char arrays and in the String and StringBuffer classes."
– Maxi Gis
Oct 4 '19 at 14:43
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How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
I am developing an Android Application where I'm using Google Map API v2. I need to show the user location on a map with custom markers.
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Android 4.1: How to check notifications are disabled for the application?
...sEnabled(), from support library, to check if notifications are blocked on API 19+. The versions below API 19 will return true (notifications are enabled).
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Turn off autosuggest for EditText?
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API 24/Android 7.0: I replaced android:inputType="textPersonName" with the suggested text but it still displays the suggestion row (with the mic icon).
– Neph
Feb 25 at 14:35
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Perform debounce in React.js
...r more details.
2018: try promise debouncing
We often want to debounce API calls to avoid flooding the backend with useless requests.
In 2018, working with callbacks (Lodash/Underscore) feels bad and error-prone to me. It's easy to encounter boilerplate and concurrency issues due to API calls r...
Is there a jQuery unfocus method?
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$('#textarea').blur()
Documentation at: http://api.jquery.com/blur/
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What does it mean to hydrate an object?
...gging performance optimizations that are in the internals of a data access API, then you probably don't need to deal with hydration explicitly. You would typically use deserialization instead so you can write less code. Some data access APIs don't give you this option, and in those cases you'd also ...