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JavaScript - cannot set property of undefined
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edited Feb 26 '17 at 23:31
answered Sep 20 '11 at 2:45
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How to restart a rails server on Heroku?
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435
The answer was:
heroku restart -a app_name
# The -a is the same as --app
Easily aliased wit...
How can I prevent the “You have mixed tabs and spaces. Fix this?” message?
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Sounds like you have the Visual Studio Productivity Power Tools 2013 installed. Go into its settings and turn off "Fix Mixed Tabs"...
Tools -> Options -> Productivity Power Tools -> Turn Extensions On/Off
If you have the default VS settings, tabs in the editor are converted to ...
How to iterate through two lists in parallel?
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1437
Python 3
for f, b in zip(foo, bar):
print(f, b)
zip stops when the shorter of foo or bar...
What are all the possible values for HTTP “Content-Type” header?
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YoussefDir
22522 silver badges1313 bronze badges
answered Feb 9 '18 at 10:55
lebarillierlebarillier
2,81611 g...
new DateTime() vs default(DateTime)
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ServyServy
190k2323 gold badges279279 silver badges394394 bronze badges
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Multiple left-hand assignment with JavaScript
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Actually,
var var1 = 1, var2 = 1, var3 = 1;
is not equivalent to:
var var1 = var2 = var3 = 1;
The difference is in scoping:
function good() {
var var1 = 1, var2 = 1, var3 = 1;
}
function bad() {
var var1 = var2 = var3 = 1;
}
good();
cons...
What is the best django model field to use to represent a US dollar amount?
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edited Jun 3 '19 at 17:02
user8193706
33122 silver badges99 bronze badges
answered Jul 16...
Use JSTL forEach loop's varStatus as an ID
...heCount">
– vegemite4me
Aug 22 '13 at 9:23
add a comment
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How to add new item to hash
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307
Create the hash:
hash = {:item1 => 1}
Add a new item to it:
hash[:item2] = 2
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