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  • Peek ahead when iterating an array in PHP 5.2

    - by pako
    Is it possible to "peek ahead" while iterating an array in PHP 5.2? For example, I often use foreach to manipulate data from an array: foreach($array as $object) { // do something } But I often need to peek at the next element while going through the array. I know I could use a for loop and reference the next item by it's index ($array[$i+1]), but it wouldn't work for associative arrays. Is there any elegant solution for my problem, perhaps involving SPL?

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  • "out of scope" error when iterating an NSMutableArray

    - by wgpubs
    Why am I getting an "out of scope" error whenever I try to access the "url" variable in this loop? for(NSString *url in self.winnerImageURLs) { [mediaItemString appendFormat:@"{\"type\":\"image\",\"src\":\"%@\",\"href\":\"%@\"},", url, url]; } The class of very item in the "self.winnerImageURLs" NSMutableArray comes back as NSCFString so I'm not sure what the dealio is here. Any ideas on what I'm doing wrong??? Thanks

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  • Redirect a specific IP address to a special page of my homepage with .htaccess

    - by Jim Knopf
    How can I use .htaccess to forward a visitor of a specific IP address to a webpage on my server? This example causes an infinite loop: RewriteCond %{REMOTE_ADDR} ^123\.\123\.123\.123$ RewriteRule ^(.*)$ /specialpage.php [R,L] I found this on the web but it just does not work: SetEnvIf REMOTE_ADDR 123.123.123.123 REDIR="redir" RewriteCond %{REDIR} redir RewriteRule ^(.*)$ /specialpage.php Note: My website consists of .htm, html and .php pages. Your help would be very much appreciated.

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  • Is it possible to get all member variables in flash(AS3)?

    - by Parris
    Hi, I am trying grab all the member variables in AS3, and then foreach one i would like to process it in various ways. I would need the name and then if it is a collection of some type I would like to loop through that collection as well. I am attempting to essentially serialize in a somewhat custom fashion. Thanks!

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  • C# WebClient list

    - by Linton day
    Hello Im trying to make a chat program like skype in c# and having some trouble gavring/updating the messages, what i tryed was foreach value in a database add it into listbox1, and i did a timer every second do that.. but it kept adding it again every second repeating like it was on loop So then i sat down and thought how can i do this, so i come up with webclient download a list of messages by php and foreach line in the webclient add it to a listbox! is there any way of doing this?

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  • Problem to get a Substring from a String?

    - by raaz
    Hi all, i have a little question ,i have a NSString object (\n "1 Infinite Loop",\n "Cupertino, CA 95014",\n USA\n) and i want the Cupertino from this string Till now i have used stringByReplacingOccurrencesOfString: and able to get "1InfiniteLoop""CupertinoCA95014"USA But still not able get Cupertino. Do any other method able to solve this problem?

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  • What's CFRunLoop?

    - by Boon
    I would like to understand run loop more in-depth than what the reference provides. Is there resources out there that discuss this in greater details?

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  • Linq qurery with multiple where's

    - by Dan
    I am trying the to query my Status Update repository using the following var result = (from s in _dataContext.StatusUpdates where s.Username == "friend1" && s.Username == "friend2" etc... select s).ToList(); Insead of using s.Username == "friendN" continously is there anyway I can pass a list or array or something like that rather that specifying each one, or can i use a foreach loop in the middle of the query. Thanks

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  • RegEx to reverse order of list?

    - by quantomcat
    Is there a singular regular expression that can be used in, say, a text editor's search/replace dialog to reverse the order of the items in a list? For instance, take this list: First item Second item Third item Select it in a text editor like EditPad, bring up the search and replace box, apply a regex (run as a loop or not) and turn it into: Third item Second item First item Can this be done?

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  • Good practice of using list of function in Python

    - by riskio
    I am pretty new to python and I discovered by myself that I can create a list of function and call with a for loop. example: def a(args): print "A" def b(args): print "B" def c(args): print "C " + str(args) functions = [a,b,c] for i in functions: i(1) So, my question is: is there any good practice or elegant way to use list of functions and what is a good use of all this? (do have a particular name the "list of functions"?) thank you

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  • How can i get the between cell addresses.

    - by Sathish
    I have a function which accepts fromRange and ToRange of an Excel cell. basically i want to read cell by cell values from the range. suppose if i pass E2 and E9 i want to read in a loop something like Range(E2).value, Range(E3).value and so on till E9 How can i get the between cell addresses. Please help

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  • Wait during iPhone UI modification

    - by paul simmons
    Hi, I am making modifications to elements on UI. There is no (extra) thread or any async. calls. However I want to give a slow motion effect, so wait specific time at each step in a for loop. How can I achieve this without blocking the UI?

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  • Matlab Correlation Function

    - by Joka
    function letter=read_char(imgn, num_letters) global templates comp=[ ]; for n=1:num_letters sem=corr2(imgn, templates{1,n}); comp=[comp sem]; end vd=find(comp==max(comp)); Can someon please explain what the 'FOR' loop does and how 'vd' is calculated? Also, what is the variable 'comp' and what will it looks like as the array also contains itself and another variable 'sem' which is calculated from the corr2 function. thanks

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  • How to change last letter of filename to lowercase if it is a letter?

    - by Robert Buckley
    I have been given data which cannot be interpreted by my software unless it has a lowercase letter at the end. The data was delivered with an uppercase letter at the end. Somehow I need to first recursively loop through all folders and find whether the filename ends with a letter and then change it to lowercase. I think python could do this, but I don´t know how,. Any help would be great! yours, Rob

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  • Generating Unordered List with PHP + CodeIgniter from a MySQL Database

    - by Tim
    Hello Everyone, I am trying to build a dynamically generated unordered list in the following format using PHP. I am using CodeIgniter but it can just be normal php. This is the end output I need to achieve. <ul id="categories" class="menu"> <li rel="1"> Arts &amp; Humanities <ul> <li rel="2"> Photography <ul> <li rel="3"> 3D </li> <li rel="4"> Digital </li> </ul> </li> <li rel="5"> History </li> <li rel="6"> Literature </li> </ul> </li> <li rel="7"> Business &amp; Economy </li> <li rel="8"> Computers &amp; Internet </li> <li rel="9"> Education </li> <li rel="11"> Entertainment <ul> <li rel="12"> Movies </li> <li rel="13"> TV Shows </li> <li rel="14"> Music </li> <li rel="15"> Humor </li> </ul> </li> <li rel="10"> Health </li> And here is my SQL that I have to work with. -- -- Table structure for table `categories` -- CREATE TABLE IF NOT EXISTS `categories` ( `id` mediumint(8) NOT NULL auto_increment, `dd_id` mediumint(8) NOT NULL, `parent_id` mediumint(8) NOT NULL, `cat_name` varchar(256) NOT NULL, `cat_order` smallint(4) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ; So I know that I am going to need at least 1 foreach loop to generate the first level of categories. What I don't know is how to iterate inside each loop and check for parents and do that in a dynamic way so that there could be an endless tree of children. Thanks for any help you can offer. Tim

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  • Calculate the size of a folder...

    - by iphone_developer
    Just a quick one... I'm creating a folder to cache images inside Documents with my iPhone App. I want to be able to keep the size of this folder down to 1MB, so I need to to check the size in bytes of my folder. I have code to calculate the size of file, but I need the size of the folder. What would be the best way to do this? Will I need to loop through each file? Cheers

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  • manipulate content inserted by ajax, without using the callback

    - by Cody
    I am using ajax to insert a series of informational blocks via a loop. The blocks each have a title, and long description in them that is hidden by default. They function like an accordion, only showing one description at a time amongst all of the blocks. The problem is opening the description on the first block. I would REALLY like to do it with javascript right after the loop that is creating them is done. Is it possible to manipulate elements created ofter an ajax call without using the callback? <!-- example code--> <style> .placeholder, .long_description{ display:none;} </style> </head><body> <script> /* yes, this script is in the body, dont know if it matters */ $(document).ready(function() { $(".placeholder").each(function(){ // Use the divs to get the blocks var blockname = $(this).html(); // the contents if the div is the ID for the ajax POST $.post("/service_app/dyn_block",'form='+blockname, function(data){ var divname = '#div_' + blockname; $(divname).after(data); $(this).setupAccrdFnctly(); //not the actual code }); }); /* THIS LINE IS THE PROBLEM LINE, is it possible to reference the code ajax inserted */ /* Display the long description in the first dyn_block */ $(".dyn_block").first().find(".long_description").addClass('active').slideDown('fast'); }); </script> <!-- These lines are generated by PHP --> <!-- It is POSSIBLE to display the dyn_blocks --> <!-- here but I would really rather not --> <div id="div_servicetype" class="placeholder">servicetype</div> <div id="div_custtype" class="placeholder">custtype</div> <div id="div_custinfo" class="placeholder">custinfo</div> <div id="div_businfo" class="placeholder">businfo</div> </body>

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