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What is http multipart request?

I have been writing iPhone applications for some time now, sending data to server, receiving data (via HTTP protocol), without thinking too much about it. Mostly I am theoretically familiar with process, but the part I am not so familiar is HTTP multipart request. I know its basic structure, but the...
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Sort hash by key, return hash in Ruby

Would this be the best way to sort a hash and return Hash object (instead of Array): 10 Answers ...
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Argparse: Required arguments listed under “optional arguments”?

...simple code to parse some arguments; note that one of them is required. Unfortunately, when the user runs the script without providing the argument, the displayed usage/help text does not indicate that there is a non-optional argument, which I find very confusing. How can I get python to indicate th...
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How to get row from R data.frame

... x[r,] where r is the row you're interested in. Try this, for example: #Add your data x <- structure(list(A = c(5, 3.5, 3.25, 4.25, 1.5 ), B = c(4.25, 4, 4, 4.5, 4.5 ), C = c(4.5, 2.5, 4, 2.25, 3 ) ), ...
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RSpec: how to test if a method was called?

...g RSpec tests, I find myself writing a lot of code that looks like this in order to ensure that a method was called during the execution of a test (for the sake of argument, let's just say I can't really interrogate the state of the object after the call because the operation the method performs is ...
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How to tell if a JavaScript function is defined

... typeof values is precisely defined in the ECMA spec. Although the syntax for this is a little goofy to begin with, it's perfectly reasonable idiomatic Javascript. – Ben Zotto Mar 30 '10 at 1:04 ...
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How to split long commands over multiple lines in PowerShell

...Microsoft Web Deploy\msdeploy.exe" ` -verb:sync ` -source:contentPath="c:\workspace\xxx\master\Build\_PublishedWebsites\xxx.Web" ` -dest:contentPath="c:\websites\xxx\wwwroot,computerName=192.168.1.1,username=administrator,password=xxx" White space matters. The required format is Space`Enter. ...
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Force Screen On

How do I force the screen to stay active and not shut off while my app is running? 3 Answers ...
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What's wrong with overridable method calls in constructors?

... On invoking overridable method from constructors Simply put, this is wrong because it unnecessarily opens up possibilities to MANY bugs. When the @Override is invoked, the state of the object may be inconsistent and/or incomplete. A quote from Effective Java 2nd Editi...
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Maintain aspect ratio of div but fill screen width and height in CSS?

... Use the new CSS viewport units vw and vh (viewport width / viewport height) FIDDLE Resize vertically and horizontally and you'll see that the element will always fill the maximum viewport size without breaking the ratio and without scrollbars! ...