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  • modify array in loop

    - by SpawnCxy
    Here is the code: $arraya = array('a','b','c'); foreach($arraya as $key=>$value) { if($value == 'b') { $arraya[] = 'd'; //print_r($arraya); //$arraya now becomes array('a','b','c','d') } echo $key.' is '.$value."\n"; } and it will get: 0 is a 1 is b 2 is c And I wonder why 3 is d doesn't show up??

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  • Getting ID of all elements of a certain class into an array

    - by Tommy Coffee
    Here's what I' trying to do: Currently I am using this to create an array of all elements matching the class name of '.cookie'. Right now I am getting the text value of that element, which is not what I need: var getAllCookies = $('.cookie').text(); var cookiesArray = jQuery.makeArray(getAllCookies); alert(cookiesArray[0]); What I need is to find all elements of a certain class (.cookie), get that elements ID value and store that ID value inside of array.

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  • C99 variable length automatic array performance

    - by aaa
    Is there significant cpu/memory overhead associated with using automatic arrays with g++/Intel on 64-bit x86 linux platform? int function(int N) { double array[N]; overhead compared to allocating array before hand (assuming function is called multiple times) overhead compared to using new overhead compared to using malloc The range of N may be from 1kb to 16kb roughly, stack overrun is not a problem.

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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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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