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What does “O(1) access time” mean?
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You're going to want to read up on Order of complexity.
http://en.wikipedia.org/wiki/Big_O_notation
In short, O(1) means that it takes a constant time, like 14 nanoseconds, or three minutes no matter the amount of data in the set.
O(n) means it takes an amount of time linear wit...
Set environment variables from file of key/value pairs
...ution when wrapping the variables in quotes, such as REACT_APP_IFRAME_URI="http://localhost:3000". The quotes were parsed which wasn't intended.
– Adam Gerthel
Jul 10 '19 at 12:12
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How do I run a spring boot executable jar in a Production environment?
...our app as a service
56.1.1 Installation as an init.d service (System V)
http://docs.spring.io/spring-boot/docs/current/reference/html/deployment-install.html
cheers
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Converting Java objects to JSON with Jackson
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Only thing is the String comes out escaped from the ObjectWriter. Use: new JSONObject(ow.writeValueAsString(msg)) if it's being sent out via Web Services like RESTful.
– jmarcosSF
Mar 23 '15 at 6:28
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How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
...urn true;
};
but be aware that this is not a good practice as it completely ignores the server certificate and tells the service point manager that whatever certificate is fine which can seriously compromise client security. You could refine this and do some custom checking (for certificat...
Is arr.__len__() the preferred way to get the length of an array in Python?
...eptually a sequence.
For a complete list of interfaces, have a look here: http://docs.python.org/reference/datamodel.html#basic-customization
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How to indent a few lines in Markdown markup?
...whether or not you're using the right tool here. Check out Gruber's docs:
http://daringfireball.net/projects/markdown/syntax#html
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How can two strings be concatenated?
...GAD,AB"
I found this from Google by searching for R concatenate strings: http://stat.ethz.ch/R-manual/R-patched/library/base/html/paste.html
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How to use NSJSONSerialization
...simple, this code uses synchronous requests.
NSString *urlString = @"http://api.openweathermap.org/data/2.5/weather?q=London,uk"; // The Openweathermap JSON responder
NSURL *url = [[NSURL alloc]initWithString:urlString];
NSURLRequest *request = [NSURLRequest requestWithURL:url...
Limit labels number on Chart.js line chart
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The answer above plus this answer here stackoverflow.com/a/37257056/558094, is the bomb.
– Vinayak Garg
Dec 1 '16 at 7:11
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