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HttpURLConnection timeout settings

...as a setConnectTimeout method. Just set the timeout to 5000 milliseconds, and then catch java.net.SocketTimeoutException Your code should look something like this: try { HttpURLConnection.setFollowRedirects(false); HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection();...
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Convert a float64 to an int in Go

... a string. I know I can use fmt.Sprintf to convert anything to a string, and then strconv it to the data type I need, but this extra conversion seems a bit clumsy - is there a better way to do this? ...
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How to skip to next iteration in jQuery.each() util?

... To exit only current iteration it's enough just to return 'return'. And to exit all iterations forward return false. – Saulius Aug 23 '15 at 8:53 7 ...
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What is “point free” style (in Functional Programming)?

...on does not include information regarding its arguments, using combinators and function composition [...] instead of variables. Haskell example: Conventional (you specify the arguments explicitly): sum (x:xs) = x + (sum xs) sum [] = 0 Point-free (sum doesn't have any explicit arguments - it's...
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How to pass a user defined argument in scrapy spider

... Spider arguments are passed in the crawl command using the -a option. For example: scrapy crawl myspider -a category=electronics -a domain=system Spiders can access arguments as attributes: class MySpider(scrapy.Spider): name = 'myspider' def __init__(self,...
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Golang: How to pad a number with zeros when printing?

...d|%6d|\n", 12, 345) Notice the 0 in %06d, that will make it a width of 6 and pad it with zeros. The second one will pad with spaces. You can see it in action here: http://play.golang.org/p/cinDspMccp share | ...
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?

I've been profiling some of our core math on an Intel Core Duo, and while looking at various approaches to square root I've noticed something odd: using the SSE scalar operations, it is faster to take a reciprocal square root and multiply it to get the sqrt, than it is to use the native sqrt opcode!...
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What is a callback URL in relation to an API?

I've been scouring the net, and can't seem to wrap my head around the idea of a callback URL. In my case I have a few callback URLs that I have to define myself. A popular one is a "default callback URL". What is this exactly? Can you give an example in plain english? ...
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Difference between dispatch_async and dispatch_sync on serial queue?

...k is finished whereas dispatch_async return after it is added to the queue and may not finished. for this code dispatch_async(_serialQueue, ^{ printf("1"); }); printf("2"); dispatch_async(_serialQueue, ^{ printf("3"); }); printf("4"); It may print 2413 or 2143 or 1234 but 1 always before 3 for ...
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CSS Progress Circle [closed]

... I created a tutorial on how to do exactly that with CSS3 and the LESS JavaScript library. You can find the blogpost here: https://medium.com/secoya-tech/a917b80c43f9 Here is a jsFiddle of the final result. The percentage is set via the data-progress attribute. Changes are animated...