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Node.js Best Practice Exception Handling
... // no error occured, continue on
return x/y
}
}
// Divide 4/2
var result = divideSync(4,2)
// did an error occur?
if ( result instanceof Error ) {
// handle the error safely
console.log('4/2=err', result)
}
else {
// no error occured, continue on
console.log('4/2='+r...
Inspect hovered element in Chrome?
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Justin ChmuraJustin Chmura
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12
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Linux - Install redis-cli only
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Ubuntu (tested on 14.04) has package called redis-tools which contains redis-cli among other tools.
To install it type:
sudo apt-get install redis-tools
share
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How to check if there's nothing to be committed in the current branch?
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241
An alternative to testing whether the output of git status --porcelain is empty is to test each...
How would I run an async Task method synchronously?
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24 Answers
24
Active
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Insert into a MySQL table or update if exists
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1664
Use INSERT ... ON DUPLICATE KEY UPDATE
QUERY:
INSERT INTO table (id, name, age) VALUES(1, "A",...
How to join two generators in Python?
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240
I think itertools.chain() should do it.
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How to preventDefault on anchor tags?
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tennisgenttennisgent
13.8k99 gold badges4545 silver badges4747 bronze badges
2
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Change string color with NSAttributedString?
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rmaddyrmaddy
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4
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