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How do you read CSS rule values with JavaScript?
...lar rule, so I can't just pull them out by style name (like .style.width etc.)
16 Answers
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How to handle configuration in Go [closed]
...s setting activated?", "what does it do?", "what are valid values for it?" etc).
– Darian Moody
Jan 22 '15 at 2:04
7
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Ruby Regexp group matching, assign variables on 1 line
...;.*)/i =~ string
puts one, two, three
It doesn't work if you reverse the order of string and the regex.
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Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
...st of annotations in both versions are same, but few differs.
Reference
Order of Execution.
Dashed box -> optional annotation.
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Android Studio installation on Windows 7 fails, no JDK found
... Java path then follow the tip 1.
Tip 1
When you set the path JAVA_HOME, etc., make sure not to include bin at the end of the path. This solved the issue for me.
JAVA_HOME => C:\Program Files\Java\jdk1.7.0_21
path => C:\Program Files\Java\jdk1.7.0_21\bin
It works fine with JDK 1.7 (I trie...
How to schedule a function to run every hour on Flask?
... believe that for the newest versions, the package structure, class names, etc., have changed, so I'm putting here a fresh solution which I made recently, integrated with a basic Flask application:
#!/usr/bin/python3
""" Demonstrating Flask, using APScheduler. """
from apscheduler.schedulers.backgr...
SQLAlchemy: cascade delete
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I had to set passive_deletes='all' in order to get the children to be deleted by the database cascade when the parent is deleted. With passive_deletes=True, children objects were getting disassociated (parent set to NULL) before the parent is deleted, so the data...
Align button at the bottom of div using CSS
...eenshot:
Useful Resources:
Specs
MDN
CSS Tricks
* {box-sizing: border-box;}
body {
background: linear-gradient(orange, yellow);
font: 14px/18px Arial, sans-serif;
margin: 0;
}
.container {
justify-content: space-between;
flex-direction: column;
height: 100vh;
displ...
Appropriate hashbang for Node.js scripts
...an an apt-get install nodejs and it created /usr/bin/node as a symlink to /etc/alternatives/node. People afflicted by this issue are, I suspect, a shrinking minority.
Even if you're targeting Node-illiterate people, you may still want to use #!/usr/bin/env node, perhaps adding the possible need fo...
Detect rotation of Android phone in the browser with JavaScript
...ere is a lot of variety across devices. NOTE: The events are listed in the order that they fired.
|==============================================================================|
| Device | Events Fired | orientation | innerWidth | screen.width |
|=====================================...