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Sending HTTP POST Request In Java

...ing a POST request is easy in vanilla Java. Starting with a URL, we need t convert it to a URLConnection using url.openConnection();. After that, we need to cast it to a HttpURLConnection, so we can access its setRequestMethod() method to set our method. We finally say that we are going to send data...
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How to iterate a loop with index and element in Swift

...arrays. In this array I wanted to filter odd or even indexed elements and convert them from Ints to Doubles. So enumerate() gets you index and the element, then filter checks the index, and finally to get rid of the resulting tuple I map it to just the element. let evens = arrayOfValues.enumerate(...
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Generating an MD5 checksum of a file

...t need the packed bytes use return hash_md5.digest(), so you don't have to convert back. share | improve this answer | follow | ...
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How to print (using cout) a number in binary form?

...llowing a college course about operating systems and we're learning how to convert from binary to hexadecimal, decimal to hexadecimal, etc. and today we just learned how signed/unsigned numbers are stored in memory using the two's complement (~number + 1). ...
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Java Round up Any Number

...way to do this is just: You will receive a float or double and want it to convert it to the closest round up then just do System.out.println((int)Math.ceil(yourfloat)); it'll work perfectly share | ...
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How to use R's ellipsis feature when writing your own function?

... You can convert the ellipsis into a list with list(), and then perform your operations on it: > test.func <- function(...) { lapply(list(...), class) } > test.func(a="b", b=1) $a [1] "character" $b [1] "numeric" So your ...
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LINQPad [extension] methods [closed]

...g() used, please follow this link at Stackoverflow - it also allows you to convert it back if needed): System.Security.SecureString GetPasswordSecure(string Name, bool noDefaultSave=true) {   return Util.GetPassword(Name, noDefaultSave).ToSecureString(); } Util.Cmd This method works like a c...
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How to check if a database exists in SQL Server?

...char(128) SET @dbname = N'Senna' IF (EXISTS (SELECT name FROM master.dbo.sysdatabases WHERE ('[' + name + ']' = @dbname OR name = @dbname))) -- code mine :) PRINT 'db exists' share | improve t...
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Array.Copy vs Buffer.BlockCopy

...hen you're provided with an array of primitives (say, shorts), and need to convert it to an array of bytes (say, for transmission over a network). I use this method frequently when dealing with audio from the Silverlight AudioSink. It provides the sample as a short[] array, but you need to convert...
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Does Java casting introduce overhead? Why?

...ception. Taken from JavaWorld: The cost of casting Casting is used to convert between types -- between reference types in particular, for the type of casting operation in which we're interested here. Upcast operations (also called widening conversions in the Java Language Spec...