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How do you get the index of the current iteration of a foreach loop?

...or iterating over collections that implement IEnumerable. It does this by calling GetEnumerator on the collection, which will return an Enumerator. This Enumerator has a method and a property: MoveNext() Current Current returns the object that Enumerator is currently on, MoveNext updates Current t...
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Is there an equivalent for var_dump (PHP) in Javascript?

...vidual property: some objects have a LOT of properties and you'll be there all day clicking "OK", "OK", "OK", "O... dammit that was the property I was looking for". share | improve this answer ...
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How to add default value for html ? [closed]

...swered Jun 2 '14 at 16:54 bhavya_wbhavya_w 6,06455 gold badges2525 silver badges3636 bronze badges ...
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How to randomize (or permute) a dataframe rowwise and columnwise?

...] 1 0 0 1 0 [4,] 0 0 1 0 1 To explain the call: out <- permatswap(mat, times = 99, burnin = 20000, thin = 500, mtype = "prab") times is the number of randomised matrices you want, here 99 burnin is the number of swaps made before we start taking random samples....
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Turning off some legends in a ggplot

... You can use guide=FALSE in scale_..._...() to suppress legend. For your example you should use scale_colour_continuous() because length is continuous variable (not discrete). (p3 <- ggplot(mov, aes(year, rating, colour = length, shape = mpaa)) + sca...
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Get and Set a Single Cookie with Node.js HTTP Server

...console.log('Server running at http://127.0.0.1:8124/'); This will store all cookies into the cookies object, and you need to set cookies when you write the head. share | improve this answer ...
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LINQ equivalent of foreach for IEnumerable

...Multi-threading, possible by PLINQ. 2. Exceptions, you may want to collect all exception in the loop and throw it at once; and they are noise codes. – Dennis C Feb 7 '10 at 7:06 13...
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Setting UIButton image results in blue button in iOS 7

... In iOS7 there is new button type called UIButtonTypeSystem NS_ENUM_AVAILABLE_IOS(7_0), // standard system button Check your .xib file and change button type to Custom To do this programmatically, add this line to the viewDidLoad: [UIButton buttonWithType...
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PHP Fatal error: Call to undefined function json_decode()

Apache is logging PHP Fatal error: Call to undefined function json_decode() . After some googling, it seems this problem is a result of not having the latest version of php. Oddly, running php --version ouputs ...
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Converting a JS object to an array using jQuery

... 2:[Array-Data]}] And $.map() also doesn't look successful. It seams, that all Sub-Array data is merged to one array. array.length should return 2 (because 2 elements exists), but it returns 67 which is the number of all elements in all ["Array-Data"]. – The Bndr ...