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  • Exceptions confusion

    - by Misiur
    Hi there. I'm trying to build site using OOP in PHP. Everyone is talking about Singleton, hermetization, MVC, and using exceptions. So I've tried to do it like this: Class building whole site: class Core { public $is_core; public $theme; private $db; public $language; private $info; static private $instance; public function __construct($lang = 'eng', $theme = 'default') { if(!self::$instance) { try { $this->db = new sdb(DB_TYPE.':host='.DB_HOST.';dbname='.DB_NAME, DB_USER, DB_PASS); } catch(PDOException $e) { throw new CoreException($e->getMessage()); } try { $this->language = new Language($lang); } catch(LangException $e) { throw new CoreException($e->getMessage()); } try { $this->theme = new Theme($theme); } catch(ThemeException $e) { throw new CoreException($e->getMessage()); } } return self::$instance; } public function getSite($what) { return $this->language->getLang(); } private function __clone() { } } Class managing themes class Theme { private $theme; public function __construct($name = 'default') { if(!is_dir("themes/$name")) { throw new ThemeException("Unable to load theme $name"); } else { $this->theme = $name; } } public function getTheme() { return $this->theme; } public function display($part) { if(!is_file("themes/$this->theme/$part.php")) { throw new ThemeException("Unable to load theme part: themes/$this->theme/$part.php"); } else { return 'So far so good'; } } } And usage: error_reporting(E_ALL); require_once('config.php'); require_once('functions.php'); try { $core = new Core(); } catch(CoreException $e) { echo 'Core Exception: '.$e->getMessage(); } echo $core->theme->getTheme(); echo "<br />"; echo $core->language->getLang(); try { $core->theme->display('footer'); } catch(ThemeException $e) { echo $e->getMessage(); } I don't like those exception handlers - i don't want to catch them like some pokemons... I want to use things simple: $core-theme-display('footer'); And if something is wrong, and debug mode is enabled, then aplication show error. What should i do?

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  • Can't get jQuery to get focus on cloned input fields

    - by Rebel1Moon
    I have a page that needs to create dynamic form fields as often as the user needs, and I am trying to use Ajax to tie it in to my database for faster form entry and to prevent user typos. So, I have put my Ajax returned data into popup div, the user selects, then the form field is filled in. The problem comes on the cloned fields. They don't seem to want to bring up the popup div when focused. I am thinking it is something to do with when they get created/added to the DOM. Here is my JS that creates the clones: $(document).ready(function() { var regex = /^(.*)(\d)+$/i; var cloneIndex = $(".clonedInput").length; $("button.clone").live("click", function(){ $(this).parents(".clonedInput").clone() .appendTo("#course_container") .attr("id", "clonedInput" + cloneIndex) .find("*").each(function() { var id = this.id || ""; var match = id.match(regex) || []; if (match.length == 3) { this.id = match[1] + (cloneIndex); } }); cloneIndex++; numClones=cloneIndex-1; //alert("numClones "+numClones); }); Here is where I expect to be able to get focus on the correct cloned field and call the popup. The baker_equiv0 id is original code, whereas baker_equiv1 is the first clone. $('#baker_equiv0').focus(function() { \\ THIS CODE WORKS $('.popup').fadeIn(500); $('#results').empty(); // document.enter_data.baker_equiv1.value="test"; THIS LINE WORKS //alert("numClones "+numClones); }); $('#baker_equiv1').focus(function() { // THIS DOESN'T EVER FIRE alert("numClones "+numClones); $('.popup').fadeIn(500); $('#results').empty(); }); Here is the HTML with the form: <label for="baker_equiv" class="">Baker Equivalent: <span class="requiredField">*</span></label> <input type="text" class="cinputsa" name="baker_equiv[]" id="baker_equiv0" size="8" ONKEYUP="get_equiv(this.value);"> If I put this in the HTML code above, it works fine: onfocus="alert(this.id)" I'd also be interested in how to adjust the JS code to work based on the id array created rather than having to copy code for each potential set of fields clones, i.e., baker_equiv[] rather than baker_equiv0, baker_equiv1, etc. Thanks all!

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  • Which MySql line is faster:

    - by Camran
    I have a classified_id variable which matches one document in a MySql table. I am currently fetching the information about that one record like this: SELECT * FROM table WHERE table.classified_id = $classified_id I wonder if there is a faster approach, for example like this: SELECT 1 FROM table WHERE table.classified_id = $classified_id Wont the last one only select 1 record, which is exactly what I need, so that it doesn't have to scan the entire table but instead stops searching for records after 1 is found? Or am I dreaming this? Thanks

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  • iPhone - Any way to set different Default.png per target?

    - by mootymoots
    Hi I have two target builds in my iPhone app project, and I want to build each one with a different Default.png for the load screen. At the moment I am having to place the file with the correct name in the project folder, build, then swap it out with a different one and build the other target. Is there an easier way? Thanks

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  • Force content generated by javascript to reveal itself.

    - by atwellpub
    Hello, I'm generating some content through an API, accessed by javascript, and I cannot grab the source code of what is plainly displayed, post-load, on the browser. I can highlight the text and view the source of selected text (which is a firefox feature), but I will be using CURL to capture the data automatically with php... How can I capture the data? Is there a way to update the source(maybe through a DOM update) so it displays some how? Any help is appreciated.

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  • How do I find out the DOM node when select text in a browser’s editable content window using Javascr

    - by chanthou
    I want to get parentElement when I select some text in iframe. iframe = document.getElementById("iframe"); function getParentElement(){ var sel=iframe.contentDocument.getselection(); return sel.parentElement() } getParentElement(); when I run this code it show Error:" TypeError: iframe.contentDocument.getSelection().parentElement is not a function { message="iframe.contentDocument....ement is not a function", more...}" Please give me a help!

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  • Closing Window in IE8

    - by user331438
    I have a some javascript that calls is calling for a popup (media player) to load. That works But I want the parent page to close or not even appear to have opened. This works great in Firefox. Code is: window.open("radio.html","Levante_Radio_Live","width=323,height=281,scrollbars=no,menubar=no,location=no",); window.close();

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  • How to convert chm to pdf

    - by Millionbonus
    I have two types of document: CHM and PDF, but I'd rather like it if they all were in PDF format. I am looking for some good way to change it. Has anyone good ideas? I'll appreciate it. Update: Thanks for eveyone who helped me. :)

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  • Does "opening a file" mean loading it completely into memory?

    - by mystify
    There's an AudioFileOpenURL function which opens an file. With AudioFileReadPackets that file is accessed to read packets. But one thing that stucks in my brain is: Does AudioFileOpenURL actually load the whole monster into memory? Or is that a lightweight operation? So is it possible to read data from a file, only a specific portion, without having the whole terabytes of stuff in memory?

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  • scrollable banner using buttons and mouse scroller

    - by Psinyee
    I'm creating a scrollable banner for my homepage with 'up' and 'down' button for user to scroll the banner. How do I make it so that the mouse scroller is able to scroll the banner too and also once I click on the down or up button the user will be able to see the transition of the banner scrolling upwards or downwards? scroll script: <script> var t = 0; function up() { t += 600; with(document.getElementById("contents")) { if (t > 0) t = 0; if(style) style.top = t + "px"; else setAttribute("style", "top: " + t + "px"); } } function down() { t -= 600; with(document.getElementById("contents")) { if(t < -clientHeight) t = -clientHeight; if(style) style.top = t + "px"; else setAttribute("style", "top: " + t + "px"); } } </script> scrollable banner: <table width="950px" height="600px"> <tr> <td valign="top"> <div id="scrollable" style="height:600px; width:950px"> <div id="contents" style="height:600px; width:950px"> <table bgcolor="#dcdcdc" width="950px" height="600px"> <tr> <td height="490px"></td> </tr> <tr> <td height="100px"><img src="images/banner_title.png"/></td> </tr> </table> <table bgcolor="#ffd07e" width="950px" height="600px"> <tr> <td height="490px"></td> </tr> <tr> <td height="100px"><img src="images/banner_title.png"/></td> </tr> </table> buttons: <table> <tr> <td width="30px"><a href="javascript:void(0)" onClick="up()"><img src="images/arrow_up.png"/></a></td> <td width="30px"><a href="javascript:void(0)" onClick="down()"><img src="images/arrow_down.png"/></a></td> </tr> </table>

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  • sql report link with rs:Command paramaters not opening in JSF page

    - by H3wh0s33ks
    I have a report that we need to link (which we've checked to be working) to in a JSF project, the link looks like the following: http://www.example.com/report/summary&rs:Command=Render However when we try to load the page that links to it we get the following error: The reference to entity "rs:Command" must end with the ';' How can I link to the report within my pages and prevent it from trying to parse the rs:Command?

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  • Autopopulate from Select box from database

    - by Chris Spalton
    hope you can help, please forgive any poor coding or anytihng, I'm new to this and just hacking my way through to get things to work. That said, on one of my projects I have this code, which successfully populates the dropdown from a database when the page is loaded: <select name="Region" id="Region"> <option value="">-- Select Region --</option> <?php $region=$POST['Region']; if ($region); { $regionquery = "SELECT DISTINCT REGION FROM Sales_Execs "; $regionresult = mysql_query($regionquery); while($row = mysql_fetch_array($regionresult)) { echo "<option value=\"".$row['REGION']."\">".$row['REGION']."</option>\n "; } } ?> <script type="text/javascript"> document.getElementById('Region').value = <?php echo json_encode(trim($_POST['Region']));?>; </script> </select> On my next project that I'm working on now, I need to do the same thing, so I copied the above code amended, and placed in my new project: <select name="Sales_Exec" id="Sales_Exec"> <option value="">-- Select SE --</option> <?php $salesexec=$POST['Sales_Exec']; if ($salesexec); { $salesexecquery = "SELECT DISTINCT Assigned FROM Data "; $salesexecresult = mysql_query($salesexecquery); while($row = mysql_fetch_array($salesexecresult)) { echo "<option value=\"".$row['ASSIGNED']."\">".$row['ASSIGNED']."</option>\n "; } } ?> <script type="text/javascript"> document.getElementById('Sales_Exec').value = <?php echo json_encode(trim($_POST['Sales_Exec']));?>; </script> </select> This second chunk of code doesn't work... and I can't work out why as it seems I've copied it all and amended all the neccersary parts, can anyone spot what is wrong? Thankyou!

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  • Multiple Regex on String

    - by George
    How can I apply multiple regexs to a single string? For instance, a user inputs the following into a text area: red bird blue cat black dog and I want to replace each carriage return with a comma and each space with an underscore so the final string reads as red_bird,blue_cat,black_dog. I've tried variations in syntax along the lines of the following so far: function formatTextArea() { var textString = document.getElementById('userinput').value; var formatText = textString.replace( new RegExp( "\\n", "g" ),",", new RegExp( "\\s", "g"),"_"); alert(formatText); }

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  • Should I HttpCombine Google Jquery Hosted File?

    - by chobo2
    Hi I am using something called HttpCombiner: http://code.msdn.microsoft.com/HttpCombiner An HTTP handler that combines multiple CSS, Javascript or URL into one response for faster page load. It can combine, compress and cache response which results in faster page load and better scalability of web application It's a good practice to use many small Javascript and CSS files instead of one large Javascript/CSS file for better code maintainability, but bad in terms of website performance. Although you should write your Javascript code in small files and break large CSS files into small chunks but when browser requests those javascript and css files, it makes one Http request per file. Every Http Request results in a network roundtrip form your browser to the server and the delay in reaching the server and coming back to the browser is called latency. So, if you have four javascripts and three css files loaded by a page, you are wasting time in seven network roundtrips. Within USA, latency is average 70ms. So, you waste 7x70 = 490ms, about half a second of delay. Outside USA, average latency is around 200ms. So, that means 1400ms of waiting. Browser cannot show the page properly until Css and Javascripts are fully loaded. So, the more latency you have, the slower page loads. You can reduce the wait time by using a CDN. Read my previous blog post about using CDN. However, a better solution is to deliver multiple files over one request using an HttpHandler that combines several files and delivers as one output. So, instead of putting many or tag, you just put one and one tag, and point them to the HttpHandler. You tell the handler which files to combine and it delivers those files in one response. This saves browser from making many requests and eliminates the latency. This Http Handler reads the file names defined in a configuration and combines all those files and delivers as one response. It delivers the response as gzip compressed to save bandwidth. Moreover, it generates proper cache header to cache the response in browser cache, so that, browser does not request it again on future visit. Now I am wondering since it can handle adding links should I put in it the jquery file? The reason I am not sure is if it gets combined with my other files I think I might close the advantages of it being hosted on googles servers such as caching(my thinking is if it gets combined it will look different so even if a user has it in it's cache I am not sure if it will use the one for the cahce or not). So should I combine it or only the finals that I am using locally?

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  • Finding all CLASSPATH resources matching a pattern

    - by binil
    I want to read a bunch of text files, by loading them as resources using the context classloader. URL url = Thread.currentThread() .getContextClassloader() .getResource("folder/foo.txt"); Is there some way to get a list of resources whose names match a given pattern? For eg: URL[] matchingUrls = someLibrary.getMatchingResources("folder/*.txt"); Libraries like Spring can scan the classpath to find classes with a given annotation, so I am wondering if there something similar to load a bunch of resources.

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  • Solr sort by function

    - by spacemonkey
    Hi, I need to sort query results by the output of some function which takes "score" and couple other fields as an input (50% of the total score comes from similarity score and 50% comes from document's popularity). Is there a way to do this without having to install "Sort by Function" patch? Thanks!

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  • dumpbin equivalent in Qt

    - by de costo
    Is there any utility similar to dumpbin(Visual Studio) in Qt that allows me to check the functions that are exposed in a Qt-Creator compiled dll ?? I need to know what methods are exposed in a given dll so that I can load the method dynamically at runtime using QLibrary. Thanks, De Costo

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  • Visual Studio Solution: static or shared projects?

    - by goodrone
    When a whole project (solution) consists of multiple subprojects (.vcproj), what is a preferable way to tie them: as static libraries or as shared libraries? Assuming that those subprojects are not used elsewhere, the shared libraries approach shouldn't decrease memory usage or load time.

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  • XmlDocument, XmlResolver and www.w3.org

    - by David Rutten
    One of my users had a single error while opening a file (I'm using standard xml 1.0): The remote name could not be resolved: 'www.w3.org' I found a post here in StackOverflow that deals with this and it suggest setting the XmlResolver property to null. I've tried this, and all my documents still seem to load fine. However, the last thing I want is to break the file-reading mechanism of my app, so is it actually safe to disable the resolver?

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  • How to determine element touched on touchend for a page with layers

    - by Greg
    I cannot supply a follow up question as of yet to Get the element under a touchend , so I am opening a new issue. I want to get the element under a touchend that is different from the touchstart, but my page has absolutely positioned elements, and the function document.elementFromPoint keeps on returning my background element instead of every element in front of it. How do I get the actual element being touched?

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  • onclick event in combo box

    - by raam
    function ram(){ document.write("Hello World!") alert("ok"); } India Autralia England Ameriaca Pakistan In this above code the event will not fire for combo box ..i try by using focus and click event....i can i do this....and i want 1 more thing if i select combo box value as India,i want to create a combo box with state(elements are TN,DL..) updation...

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  • Javascript methods, classes and events

    - by Randy Gurment
    Hi, how should I document this piece of code: // Is this class? colors = { // Is this method? "red" : function() { // Do something... } // Still method? "black" : { // So what is this? "black-1" : function() { /* Do something */ } } } I am using YUI Doc. These tags are available @module @class @method @event @property

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