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process.env.NODE_ENV is undefined
...is undefined. According to my research the default value should be 'development'. How is this value dynamically set and where is it set initially?
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Put icon inside input element in a form
How do I put an icon inside a form's input element?
16 Answers
16
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How to set selected item of Spinner by value, not by position?
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Suppose your Spinner is named mSpinner, and it contains as one of its choices: "some value".
To find and compare the position of "some value" in the Spinner use this:
String compareValue = "some value";
ArrayAdapter<CharSequence> adapter = Arr...
Reduce left and right margins in matplotlib plot
...red; if you're trying to enforce a particular resolution, the image will come out smaller.
– detly
Jan 19 '15 at 11:23
5
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How to run `rails generate scaffold` when the model already exists?
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TL;DR: rails g scaffold_controller <name>
Even though you already have a model, you can still generate the necessary controller and migration files by using the rails generate option. If you run rails generate -h you can see all of the options available to yo...
Android: how to check if a View inside of ScrollView is visible?
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Where should i call this methods?
– Tooto
Mar 5 '14 at 6:24
3
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Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
Every time I have to iterate over a collection I end up checking for null, just before the iteration of the for-each loop starts. Like this:
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Why there is no ConcurrentHashSet against ConcurrentHashMap
...ays derive a set from a map. Since there are many types of maps, you use a method to produce a set from a given map (or map class).
Prior to Java 8, you produce a concurrent hash set backed by a concurrent hash map, by using Collections.newSetFromMap(map)
In Java 8 (pointed out by @Matt), you can ...
How to get start and end of day in Javascript?
How to get start ( 00:00:00 ) and end ( 23:59:59 ) of today in timestamp ( GMT )? Computer use a local time.
7 Answers
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JSHint and jQuery: '$' is not defined
... With my JSHint for Visual Studio, the option is called "assume jQuery"
– Jowen
May 7 '14 at 8:09
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