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  • Unset an array element inside a foreach loop

    - by Summer
    I'm accessing an array by reference inside a foreach loop, but the unset() function doesn't seem to be working: foreach ( $this->result['list'] as &$row ) { if ($this_row_is_boring) { unset($row); } } print_r($this->result['list']); // Includes rows I thought I unset Ideas? Thanks!

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  • Python: Picking an element without replacement

    - by wpeters
    I would like to slice random letters from a string. Given s="howdy" I would like to pick elements from 's' without replacement but keep the index number. For example >>> random.sample(s,len(s)) ['w', 'h', 'o', 'd', 'y'] is close to what I want, but I would actually prefer something like [('w',2), ('h',0), ('o',1), ('d',3), ('y',4)] with letter-index pairs. This is important because the same letter appears in 's' more than once. ie) "letter" where 't' appears twice but I need to distinguish the first 't' from the 'second'. Ideally I actually only need to pick letters as I need them but scrambling and calculating all the letters in a list (as shown above) is ok.

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  • Sort a list with element still in first position

    - by Mercer
    I have a String list: List<String> listString = new ArrayList<String>(); listString.add("faq"); listString.add("general"); listString.add("contact"); I do some processing on the list and I want to sort this list but I want "general" still to be in first position. Thx ;)

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  • change the value of the input element

    - by Lina
    Hi, the following code is costing me a lot of precious time, can anybody help me on this?? <div id="i"> <input id="Text1" type="text" value="hello" onClick="hello();"/> </div> <script> function hello() { var x = $("#i").html(); var y = $(x).val(); alert(y); } </script> in the case above the word "hello" is alerted each and every time, what if i want to alert the user input??? i.e. how do i change the "value" attribute of the input field???? thanks a trillion

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  • reading root element in xml not the child

    - by Umesha MS
    Hi I am working on an application which reads XML file. Here I am trying to read the node under the not under the node . When I tried to read the I get both. Please help me to solve the problem. Bellow is the sample. "a" "x"..."/X" "b" "name" 123 "/name" "/b" "name" main "/name" "c".."/c" "/a" QDomDocument mDocument; QDomElement mDocumentElement; if (!mDocument.setContent(file.readAll())) { return ; } mDocumentElement = mDocument.documentElement(); QDomNodeList list = mDocumentElement.elementsByTagName("a").at(0).toElement().elementsByTagName("name"); int count = list.count(); for (int i = 0; i < count; i++) { QString str = list.at(i).nodeValue(); QMessageBox::information(this, "text", str, QMessageBox::Yes, 0); }

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  • Please help me get my content div to get an auto height from absolutely positioned element

    - by Justin Hollender
    I need some help with a CSS layout. It is set up like this: +--------------------+ | | | header | |-| |--------------| | |nav| content | | | | | | | | | | | | | | footer | +--------------------+ So, the nav is supposed to be floating above all the main page content. That's why I have it set to be absolutely positioned. The issue is that the nav items are dynamic, without a set height. Right now, the nav expands past the content. How can I fix it so that the content will have an auto height based off the nav? Thanks in advance.

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  • finding specific immediate children of an element using prototype

    - by tatilans
    Following DOM structure: <ul> <li class="item">yes</li> <li>no</li> <li class="item">yes</li> <li> <ul> <li class="item">no</li> </ul> </li> </ul> Assuming I have the outer <ul> in $ul. How do I get the two immediate children which have the item-class? In jQuery I would write something like this: $ul.children().filter(".item") $ul.children(".item") $ul.find("> .item") How do I to this with Prototype? I tried the following ... $ul.select("> .item") //WRONG ... but it does does exactly the opposite and returns the one inner <li>

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  • jquery element's place when toggeling

    - by Noam Zadok
    i'm building a page, which will have categories that will contain a list of pages to go with them. at first all the list are hidden, and than I click on a category and the list slides down. this is the code of the script: $(document).ready(function() { $('.menu-list').hide(); $('.menu-title').click(function() { if ($(this).next().is(':not(:visible)')) { $('.menu-list:visible').slideUp(); $(this).next().slideDown(); } }); The script works, but the problem is when I'm clicking on a category in a column that has more categories than the other. than the last category is moving to the left and I don't want it to. Here is the code in jsfiddle: http://jsfiddle.net/U7rKX/4/ Can you help me?

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  • Modifying html of dom element that was created after page loaded

    - by Ben321
    I have two separate AJAX calls. One that gets a list of items from a txt file and creates an HTML table out of them and one that talks to a database to find how much each item costs and then lists this in the corresponding table cell for each item (I know this may sound like a strange approach, but it's a good option in our case...). The issue is that the price is not getting written to the table since the table is created (or to be precise, the rows of the table are created) after the page loads. I'm not sure how to fix this. $(document).ready(function() { makeItemTable(); listPrices(); ... }); function makeItemTable() { $.ajax({ url: 'products.php', type: 'GET' }) .done(function(response) { $('.price-table > tbody').html(response); }) } function listPrices() { .ajax({ url: 'prices.php', type: 'GET' }) .done(function(response) { priceData = $.parseJSON(response); $('.price-table tr').each(function() { var item = $(this).find('td:nth-child(1)').text(); if (priceData[item]) { var price = priceData[item]; $(this).find('td:nth-child(2)').text(price); } }) }

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  • Parent element selection problem?

    - by Starx
    My HTML is something like this <div id="mydiv" class="common"> <input type="text" id="text1" value="" /> <input type="text" id="text2" value="" /> </div> I am assigning a function on the onclick event of the textbox like this $(document).ready(function() { $(".common input").click(function() { //////// What I am trying to do is access the id of its parent // in this case it is "mydiv" alert($(this:parent).attr('id')); }); But it is not working

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  • PHP split content when a HTML element is found

    - by sea_1987
    Hello, I have a PHP variable that holds some HTML I wanting to be able to split the variable into two pieces, and I want the spilt to take place when a second bold <strong> or <b> is found, essentially if I have content that looks like this, My content This is my content. Some more bold content, that would spilt into another variable. is this at all possible?

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  • Mootools element returning null

    - by sea_1987
    I have this HTML/PHP <input name="add to list" class='fncAdd' id='moodal_close' value="add to list" onclick="cajaxUpdateCartProduct('<?= $value->id ?>', 'quantity_<?= $value->id ?>', '<?= $this->sitePfx ?>/cart/');" type="button"> In my javascript I have $('moodal_close').addEvent('click', function(){ alert("1"); }); In my firebug console the only response I get is $("moodal_close") is null

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  • Javascript Getting specific element (of parent) by name

    - by Fluidbyte
    I'm using custom tags to define sections in an application, so I have something like this: <mysection> <form> <input name="myfield"> </form> </mysection> I'm using the following and able to get the tag (printed to console, everything is groovy) var parent = document.getElementsByTagName('mysection'); The issue I'm having is finding the child field by name: var myfield = parent.getElementsByName("myfield"); ...as I don't want to pick up on any other 'sections' that might have an input with the name 'myfield'. EDIT: var parent = document.getElementsByTagName('mysection')[0]; was suggested and returns to console the section contents, however, getElementsByName throws an error: Uncaught TypeError: Object #<NodeList> has no method 'getElementsByName'

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  • Manage the scrolling of just one element in a ScrollView

    - by morgan1189
    So, I have a ScrollView which has cards on it. ScrollView must be paging enabled. The goal is that the user must be able to scroll it, even if it has only one card. Since i am having the frame of ScrollView of exactly the same width and height as a picture of a card, i decided to increase the width of a ScrollView.contentSize and add one point to it. It turns out to be working fine, but it glitches a bit - when i drag the card to the left, and then grab it again it moves to right a little bit (i guess, for the value of that one point). If i increase the contentSize, the shift increases too (for example, if the content size is increased by ten, the shift value is ten points too). It really irritates me a lot and I want to get rid of it. Any advice on how to do that? Help is much appreciated. UPD: I tried to manually re-center the card in the scrollViewDidEndDecelerating but that didn't help. My guess for now is that the problem can be solved by setting the content offset to the right value (because now it's (0,0)), but I can't figure out how to do it.

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