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How to iterate over a JSONObject?
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org.json.JSONObject now has a keySet() method which returns a Set<String> and can easily be looped through with a for-each.
for(String key : jsonObject.keySet())
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Sorting an array of objects in Ruby by object attribute?
...me + @first_name <=> other.last_name + other.first_name
end
end
Now an array of Person objects will be sortable on last_name.
ar = [Person.new("Eric", "Cunningham"), Person.new("Homer", "Allen")]
puts ar # => [ "Eric Cunningham", "Homer Allen"] (Person objects!)
ar.sort!
puts ar ...
Check if a value exists in ArrayList
...sedOnProp = selectedR.stream().map(Request::getDesc).anyMatch(cn::equals); now I need it to extract that item! is it possible ??
– maryem neyli
Jun 15 at 12:05
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405 method not allowed Web API
... worked. But thanks, you got me on the right track and only cost me 5 mins now :)
– Rubenisme
Jul 15 '16 at 11:52
1
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How to make good reproducible pandas examples
...=25, freq='D'), 4 ),
'price':(np.random.randn(100).cumsum() + 10) })
Now we have a sample dataset with 100 lines (25 dates per ticker), but we have only used 4 lines to do it, making it easy for everyone else to reproduce without copying and pasting 100 lines of code. You can then display sub...
Get Month name from month number
...atInfo();
string strMonthName = mfi.GetMonthName(8).ToString(); //August
Now, get first three characters
string shortMonthName = strMonthName.Substring(0, 3); //Aug
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sh: 0: getcwd() failed: No such file or directory on cited drive
... can happen with symlinks sometimes. If you experience this issue and you know you are in an existing directory, but your symlink may have changed, you can use this command:
cd $(pwd)
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How to convert a List into a comma separated string without iterating List explicitly [dupli
Now i want an output from this list as 1,2,3,4 without explicitly iterating over it.
13 Answers
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Will HTML5 allow web apps to make peer-to-peer HTTP connections?
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UPDATE 10/17/2012: This functionality now exists in Chrome Stable v22. In order to use this functionality in Chrome, one must enable two flags in chrome://flags:
Enable MediaStream
Enable PeerConnection
Then you can visit the AppRTC Demo Page to try out the d...
Convert JS object to JSON string
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Update May 17, 2008: Small sanitizer
added to the toObject-method. Now
toObject() will not eval() the string
if it finds any malicious code in
it.For even more security: Don't set
the includeFunctions flag to true.
Douglas Crockford, father of the JSON concept, wrote one of the ...