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jQuery - Illegal invocation

... I think you need to have strings as the data values. It's likely something internally within jQuery that isn't encoding/serializing correctly the To & From Objects. Try: var data = { from : from.val(), to : to.val(), speed : speed }...
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Converting Java objects to JSON with Jackson

... ObjectWriter ow = new ObjectMapper().writer().withDefaultPrettyPrinter(); String json = ow.writeValueAsString(object); share | improve this answer | follow |...
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How to get a index value from foreach loop in jstl

... I need to know the index[location] of each element comes in the String Array. – Java Questions Sep 16 '13 at 11:10 ...
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How to add a custom HTTP header to every WCF call?

...sage = httpRequestMessageObject as HttpRequestMessageProperty; if (string.IsNullOrEmpty(httpRequestMessage.Headers[USER_AGENT_HTTP_HEADER])) { httpRequestMessage.Headers[USER_AGENT_HTTP_HEADER] = this.m_userAgent; } } else { httpRequestMessage ...
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Iterate keys in a C++ map

...e <iostream> #include <map> int main() { std::map<std::string, int> myMap; myMap["one"] = 1; myMap["two"] = 2; myMap["three"] = 3; for ( const auto &myPair : myMap ) { std::cout << myPair.first << "\n"; } } ...
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How to check if a specified key exists in a given S3 bucket using Java

... new AmazonS3Client(new ClasspathPropertiesFileCredentialsProvider()); String bucketName = getBucketName(); s3.createBucket(bucketName); S3Object object = s3.getObject(bucketName, getKey()); } catch (AmazonServiceException e) { String errorCode = e.getErrorCode(); if (!errorCode....
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What is the purpose of Android's tag in XML layouts?

... Romain Guy's post on the <merge /> tag, but I still don't understand how it's useful. Is it a sort-of replacement of the <Frame /> tag, or is it used like so: ...
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How do I perform the SQL Join equivalent in MongoDB?

...t array field> } } Of course Mongo is not a relational database, and the devs are being careful to recommend specific use cases for $lookup, but at least as of 3.2 doing join is now possible with MongoDB. share ...
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When to use Task.Delay, when to use Thread.Sleep?

...at the difference with Thread.Sleep: class Program { static void Main(string[] args) { Task delay = asyncTask(); syncCode(); delay.Wait(); Console.ReadLine(); } static async Task asyncTask() { var sw = new Stopwatch(); sw.Start();...
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Combine Date and Time columns using python pandas

...ng read_csv using parse_dates=[['Date', 'Time']]. Assuming these are just strings you could simply add them together (with a space), allowing you to apply to_datetime: In [11]: df['Date'] + ' ' + df['Time'] Out[11]: 0 01-06-2013 23:00:00 1 02-06-2013 01:00:00 2 02-06-2013 21:00:00 3 02...