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How to change value of process.env.PORT in node.js?
...ode -> simply use a space to use more than one variable on the same command
– p4bloch
Nov 18 '15 at 21:59
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Why can't I assign a *Struct to an *Interface?
I'm just working through the Go tour , and I'm confused about pointers and interfaces. Why doesn't this Go code compile?
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Is there a jQuery unfocus method?
...bind the event before the DOM is loaded. Try to put the code in the ready handler of the page like this: $(document).ready(function() { $('#textarea').blur() })
– user434917
May 13 '09 at 12:38
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R programming: How do I get Euler's number?
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The R expression
exp(1)
represents e, and
exp(2)
represents e^2.
This works because exp is the exponentiation function with base e.
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If I have ACCESS_FINE_LOCATION already, can I omit ACCESS_COARSE_LOCATION?
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https://developer.android.com/guide/topics/location/strategies.html#Permission
Note: If you are using both NETWORK_PROVIDER and GPS_PROVIDER, then you need to request only the ACCESS_FINE_LOCATION permission, because it includes permission...
Django ManyToMany filter()
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There are many examples of FOO__in=... style filters in the many-to-many and many-to-one tests. Here is syntax for your specific problem:
users_in_1zone = User.objects.filter(zones__id=<id1>)
# same thing but using in
users_in_1zone = User.objects.filter(zones__in=[<id1>])
# filter...
jQuery document.ready vs self calling anonymous function
... answered Jul 15 '10 at 20:06
jAndyjAndy
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What does $(function() {} ); do?
Sometimes I make a function and call the function later.
5 Answers
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Does Ruby have a string.startswith(“abc”) built in method?
...ot String#startswith: In Ruby, the names of boolean-ish methods end with ? and the words in method names are separated with an _. Not sure where the s went, personally, I'd prefer String#starts_with? over the actual String#start_with?
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What does the 'L' in front a string mean in C++?
...r extended character set. Wikipedia has a little discussion on this topic, and c++ examples.
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