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• in javascript how to find element is array ?

  - by Anil Namde

  In javascript is there a good(i mean built in) way that i can find whether element if array of not ? one simple i can see is as follows but i don't like it if(ele.push){//its array it has push method} I mean i would like know if something like below exists function x(ele){ if(isArray(ele)){//dosomething} }

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• Does array contain a specific value

  - by padatronic

  Hi chaps, I have an array of nsdictionaries and one key is ID (which is unique) I simply want to see if the the array of dictionaries contains a specific ID. Really simple but its friday and after statiny up watching the election i think my brain is melting. Any help would be great. Thanks

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• permutation of array

  - by davit-datuashvili

  for example i have array int a[]=new int[]{3,4,6,2,1}; I need list of all permutation such that if one is like this, {3,2,1,4,6}, others must not be the same i know that if length of array=n then there is n! possible combination please help me to write this algortihm what to do?

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• Minimum number of swaps needed to change Array 1 to Array 2?

  - by Adam

  For example, input is Array 1 = [2, 3, 4, 5] Array 2 = [3, 2, 5, 4] Minimum number of swaps needed are 2. The swaps need not be with adjacent cells, any two elements can be swapped.

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• have an array of struct in wsdl + php without using NSoap

  - by Shadi

  Hi, I want to have an array of struct (an array of books with their specifications like publication, ISBN number, ...). in wsdl and php. I have searched a little and I have found files that uses Nusoap, However, I dont want to use NuSoap. Is there any solution? I would appreciate if you help me in writing the related wsdl, client and server (php) files. Thank you so much. Best, shadi.

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• Implementing a Cakephp Model using an Array

  - by Zubin

  The CakePHP Cookbook states that a Model can use a file (csv for example) instead of an actual database table but I couldn't find any implementation for it. I was wondering if it is possible to use an Array of data as a model in CakePHP since I have a fairly static set of data which is important to me in a relationship with another table but it doesn't make a whole lot of sense to create a complete table for it. Is it possible to implement a CakePHP Model using an Array?

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• Hyphen in Array keys

  - by Vincent

  All, I have an array with hyphens in the key name. How do I extract the value of it in PHP? It returns a 0 to me, if I access like this: print $testarray->test-key; This is how the array looks like testarray[] = {["test-key"]=2,["hotlink"]=1} Thanks

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• Javascript array best practice to use [] instead of new array?

  - by AlfaTeK

  I read at many tutorials that the current best practices to create a new javascript array is to use "var arr = []" instead of "var arr = new Array()". What's the reasoning behind that?

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• Strange text when converting XML array to XML

  - by danit

  Im using the answer to this question to convert an array of XML to a single XML output: http://stackoverflow.com/questions/2554671/output-array-of-xml-to-plain-xml Im using the simpler solution of the two there (Marked as the answer) It all works for me, however at the start of the output I get: string(109960) " Can anyone shed any light on this? Output here: http://bit.ly/aoA3qY

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• Calls block once for each element of an array, passing that element as a parameter

  - by Puru puru rin..

  Hello, I have some difficulties for using Ruby block, passing in a method. As in the following case, I would like to display each element of @array, from Box instance (using .each method): class Box def initialize @array = [:foo, :bar] end def each(&block) # well, hm.. end end a = Box.new a.each { |element| puts element } Thanks for any help.

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• Declare java enum with a String array

  - by chama

  I'm trying to declare an enum type based on data that I'm retrieving from a database. I have a method that returns a string array of all the rows in the table that I want to make into an enumerated type. Is there any way to construct an enum with an array? This is what I tried, but from the way it looked in eclipse, it seemed like this just created a method by that name: public enum ConditionCodes{ Condition.getDescriptions(); } Thank you in advance!

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• [C++] Initializing Primitive Array to One Value

  - by bobber205

  Is there a way to initialize an array of primitives, say a integer array, to 0? Without using a for loop? Looking for concise code that doesn't involve a for loop. :)

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• Write string to fixed-length byte array in C#

  - by toasteroven

  somehow couldn't find this with a google search, but I feel like it has to be simple...I need to convert a string to a fixed-length byte array, e.g. write "asdf" to a byte[20] array. the data is being sent over the network to a c++ app that expects a fixed-length field, and it works fine if I use a BinaryWriter and write the characters one by one, and pad it by writing '\0' an appropriate number of times. is there a more appropriate way to do this?

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• Split array into smaller arrays.

  - by corymathews

  I am looking for a way to easily split a python array in half. So that if I have an array: A = [0,1,2,3,4,5] I would be able to get: B = [0,1,2] C = [3,4,5]

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• Question regarding array reference

  - by Sachin

  Let us say that we have following array: my @arr=('Jan','Feb','Mar','Apr'); my @arr2=@arr[0..2]; How can we do the same thing if we have array reference like below: my $arr_ref=['Jan','Feb','Mar','Apr']; my $arr_ref2; # How can we do something similar to @arr[0..2]; using $arr_ref ?

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• Indexing one-dimensional numpy.array as matrix

  - by Alain

  I am trying to index a numpy.array with varying dimensions during runtime. To retrieve e.g. the first row of a n*m array a, you can simply do a[0,:] However, in case a happens to be a 1xn vector, this code above returns an index error: IndexError: too many indices As the code needs to be executed as efficiently as possible I don't want to introduce an if statement. Does anybody have a convenient solution that ideally doesn't involve changing any data structure types?

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• Parallel computation of the median of a large array

  - by recipriversexclusion

  I got asked this question once and still haven't been able to figure it out: You have an array of N integers, where N is large, say, a billion. You want to calculate the median value of this array. Assume you have m+1 machines (m workers, one master) to distribute the job to. How would you go about doing this? Since the median is a nonlinear operator, you can't just find the median in each machine and then take the median of those values.

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• Returning char array from java to C - JNI

  - by Malik

  I have a object store in Java. My C program stores data (in form of char array) in java. Now I wish to retrieve data from my store. I cannot find any function call that returns me an char array. How can I do this?

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• How to convert a 2-d array into a dictionary object

  - by Nikron

  Hi, I have an array of type string that looks like this: "test1|True,test2|False,test3|False,test4|True". This is essentially a 2d array like so [test1][True] [test2][False] [test3][False] [test4][True]. I want to convert this into a dictionary<string,bool> using linq, something like: Dictionary<string, bool> myResults = results.Split(",".ToCharArray).ToDictionary() any ideas?

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• turn array values into keys in another array in php?

  - by user151841

  I have an array of field names. I would like to use those to populate the keys of another array, which will have empty values as default. Is there a single command I can do this with?

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• why the sexp has array in the end

  - by dorelal

  RubyParser.new.parse "1+1" s(:call, s(:lit, 1), :+, s(:array, s(:lit, 1))) Above code is from this link Why there is array after + in the Sexp. I am just trying to learn ruby parser and the whole AST thing. I have been programming for a while but have no formal education in computer science. So do point to good article which explains AST etc. Please no dragon book. I tried couple of times but couldn't understand much of that book

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• finding middle element of an array

  - by senthil

  Hi all, I came cross a question in my interview. Question: Array of integers will be given as the input and you should find out the middle element when sorted , but without sorting. For Example. Input: 1,3,5,4,2 Output: 3 When you sort the given input array, it will be 1,2,3,4,5 where middle element is 3. You should find this in one pass without sorting. Any solutions for this?

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• Convert DOMElement Array to jQuery Object

  - by Tim N

  I am using the DataTables plugin for jQuery and need to get one of the table rows. DataTables has a fnGetNodes function that returns an Array with all of the DOMElements of the table. I would like to use a jQuery selector to find that row (I know the id of the row), but I need to convert the Array to a jQuery Object, is this possible?

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• How to copy a string into a char array in C++ without going over the buffer

  - by Phenom

  I want to copy a string into a char array, and not overrun the buffer. So if I have a char array of size 5, then I want to copy a maximum of 5 bytes from a string into it. what's the code to do that?

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• add string to string array and display last/previous string in that string array.

  - by zaid

  i want to add the current string in a textview view to a string array in arrays.xml.then display the last/previous string of that array in a textview (setText).

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