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process.env.NODE_ENV is undefined
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4
you might add that if NODE_ENV is not set the app behaves like in "development" mode
– Rocco
Sep 21 '...
How do I efficiently iterate over each entry in a Java Map?
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44 Answers
44
Active
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In STL maps, is it better to use map::insert than []?
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241
When you write
map[key] = value;
there's no way to tell if you replaced the value for key, o...
Text Progress Bar in the Console [closed]
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498
Python 3
A Simple, Customizable Progress Bar
Here's an aggregate of many of the answers below ...
Change select box option background color
...r on the option tag and not the select tag...
select option {
margin: 40px;
background: rgba(0, 0, 0, 0.3);
color: #fff;
text-shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
}
If you want to style each one of the option tags.. use the css attribute selector:
select option {
margin: 40...
(13: Permission denied) while connecting to upstream:[nginx]
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edited Feb 7 '18 at 4:19
answered Jul 18 '14 at 17:35
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How can I check if a string is null or empty in PowerShell?
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484
You can use the IsNullOrEmpty static method:
[string]::IsNullOrEmpty(...)
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Repeat String - Javascript
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407
Note to new readers: This answer is old and and not terribly practical - it's just "clever"...
Styling multi-line conditions in 'if' statements? [closed]
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You don't need to use 4 spaces on your second conditional line. Maybe use:
if (cond1 == 'val1' and cond2 == 'val2' and
cond3 == 'val3' and cond4 == 'val4'):
do_something
Also, don't forget the whitespace is more flexible than you m...
How to reference a file for variables using Bash?
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248
The short answer
Use the source command.
An example using source
For example:
config.sh
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