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• Jquery + Prototype Question

  - by mikeyhill

  I recently inherited a site which is botched in all sorts of ways. I'm more of a php guy and initially the js was working just fine. I made no changes to the javascript or the any of the include files but after making a few content edits I'm getting errors from firebug. a.dispatchEvent is not a function emptyFunction()protot...ects.js (line 2) emptyFunction()protot...ects.js (line 2) fireContentLoadedEvent()protot...ects.js (line 2) [Break on this error] var Prototype={Version:'1.6.0.2',Brows...pe,Enumerable);Element.addMethods(); protot...ects.js (line 2) this.m_eTarget.setStyle is not a function [Break on this error] this.m_eTarget.setStyle( { position: 'relative', overflow:'hidden'} ); protot...ects.js (line 43) uncaught exception: [Exception... "Component returned failure code: 0x80070057 (NS_ERROR_ILLEGAL_VALUE)" nsresult: "0x80070057 (NS_ERROR_ILLEGAL_VALUE)" location: "JS frame :: js/prototype_effects.js :: anonymous :: line 2" data: no] Googling around I found several posts that sometimes jquery+prototype don't play well and rearranging the scripts could fix this issue, however being that I didn't touch these sections I'm not sure where I even need to begin to debug. The previous developer incorporated a head.inc file which loads up prototype, scriptaculous and then many of the pages are in a sub-template loading up jquery for functions like lightbox. The site is temp housed at http://dawn.mikeyhill.com Any help is appreciated.

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• Random Alpha numeric generator

  - by AAA

  Hi, I want to give our users in the database a unique alpha-numeric id. I am using the code below, will this always generate a unique id? Below is the old and updated version of the code: New php: // Generate Guid function NewGuid() { $s = strtoupper(md5(uniqid("something",true))); $guidText = substr($s,0,8) . '-' . substr($s,8,4) . '-' . substr($s,12,4). '-' . substr($s,16,4). '-' . substr($s,20); return $guidText; } // End Generate Guid $Guid = NewGuid(); echo $Guid; echo "<br><br><br>"; Old PHP: // Generate Guid function NewGuid() { $s = strtoupper(md5(uniqid("something",true))); $guidText = substr($s,0,8) . '-' . substr($s,8,4) . '-' . substr($s,12,4). '-' . substr($s,16,4). '-' . substr($s,20); return $guidText; } // End Generate Guid $Guid = NewGuid(); echo $Guid; echo "<br><br><br>"; Will this first code guarantee uniqueness?

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• getClientRects javascript method supported on iPhone?

  - by genericdan

  Trying to find the top-most visible element in a UIWebView. I am using a JS method to do this, which works great in Safari, but never executes past the getClientRects method when executed from a UIWebView. The elements I'm interested are all of class="h". Here's the javascript which is called from [webView stringByEvaluatingJavaScriptFromString:@"findTopElement()"]; Javascript: function findTopElement() { var pars = document.getElementsByClassName("h"); alert("findingTopElement: num pars:" + pars.length); for (var i = 0; i < pars.length; i++) { var para = pars[i]; alert("checking par " + para.id); var rects = para.getClientRects(); alert("checking rects " + rects.length); for (var j = 0; j < rects.length; j++) { var r = rects[j]; if (r.top > 0 && r.bottom > 0) { alert("success: " + para.id); return para.id; } } } return -1; } Is it possible element getClientRects function is not supported in a UIWebView?

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• Waiting for thread to finish Python

  - by lunchtime

  Alright, here's my problem. I have a thread that creates another thread in a pool, applies async so I can work with the returned data, which is working GREAT. But I need the current thread to WAIT until the result is returned. Here is the simplified code, as the current script is over 300 lines. I'm sure i've included everything for you to make sense of what I'm attempting: from multiprocessing.pool import ThreadPool import threading pool = ThreadPool(processes=1) class MyStreamer(TwythonStreamer): #[...] def on_success(self, data): #### Everytime data comes in, this is called #[...] #<Pseudocode> if score >= limit if list exists: Do stuff elif list does not exist: #</Pseudocode> dic = [] dic.append([k1, v1]) did = dict(dic) async_result = pool.apply_async(self.list_step, args=(did)) return_val = async_result.get() slug = return_val[0] idd = return_val[1] #[...] def list_step(self, *args): ## CREATE LIST ## RETURN 2 VALUES class threadStream (threading.Thread): def __init__(self, auth): threading.Thread.__init__(self) self.auth = auth def run(self): stream = MyStreamer(auth = auth[0], *auth[0]) stream.statuses.filter(track=auth[1]) t = threadStream(auth=AuthMe) t.start() I receive the results as intended, which is great, but how do I make it so this thread t waits for the async_result to come in?? My problem is everytime new data comes in, it seems that the ## CREATE LIST function is called multiple times if similar data comes in quickly enough. So I'm ending up with many lists of the same name when I have code in place to ensure that a list will never be created if the name already exists. So to reiterate: How do I make this thread wait on the function to complete before accepting new data / continuing. I don't think time.sleep() works because on_success is called when data enters the stream. I don't think Thread.Join() will work either since I have to use a ThreadPool.apply_async to receive the data I need. Is there a hack I can make in the MyStreamer class somehow? I'm kind of at a loss here. Am I over complicating things and can this be simplified to do what I want?

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• How to change the handler position by dragging/single click on the slider

  - by Geetha

  Hi All, I am using the following files to create a slider. Problem:Needs double click to change the handler position first click: it move the handler but the following code is not working. a second later it return back to the previous position. second click on the handler in new position, before it moves back the following code is working. Needs: I want change the media player current position with the handler current position value by dragging the handler or single click on the new position of the slider. Ex: initial position of the handler: l-------------------------------- document.mediaPlayer.currentPosition = 0 After dragging it some other position ----------------------l---------- document.mediaPlayer.currentPosition = 125 Code: var endTime = document.mediaPlayer.SelectionEnd; $("#slider-constraints").slider({ animate: true, max: endTime, range: $R(0, endTime), value: 1, enforceConstraints: false, start:function(event,index){document.mediaPlayer.currentPosition=index.value; $('#slider-constraints').slider("constraints", [0, index.value]); $('#slider-constraints').slider("value", index.value);} }); window.setInterval(function() { $('#slider-constraints').slider("value", document.mediaPlayer.currentPosition); }, 4000);

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• Ways to make (relatively) safe assumptions about the type of concrete subclasses?

  - by Kylotan

  I have an interface (defined as a abstract base class) that looks like this: class AbstractInterface { public: bool IsRelatedTo(const AbstractInterface& other) const = 0; } And I have an implementation of this (constructors etc omitted): class ConcreteThing { public: bool IsRelatedTo(const AbstractInterface& other) const { return m_ImplObject.has_relationship_to(other.m_ImplObject); } private: ImplementationObject m_ImplObject; } The AbstractInterface forms an interface in Project A, and the ConcreteThing lives in Project B as an implementation of that interface. This is so that code in Project A can access data from Project B without having a direct dependency on it - Project B just has to implement the correct interface. Obviously the line in the body of the IsRelatedTo function cannot compile - that instance of ConcreteThing has an m_ImplObject member, but it can't assume that all AbstractInterfaces do, including the other argument. In my system, I can actually assume that all implementations of AbstractInterface are instances of ConcreteThing (or subclasses thereof), but I'd prefer not to be casting the object to the concrete type in order to get at the private member, or encoding that assumption in a way that will crash without a diagnostic later if this assumption ceases to hold true. I cannot modify ImplementationObject, but I can modify AbstractInterface and ConcreteThing. I also cannot use the standard RTTI mechanism for checking a type prior to casting, or use dynamic_cast for a similar purpose. I have a feeling that I might be able to overload IsRelatedTo with a ConcreteThing argument, but I'm not sure how to call it via the base IsRelatedTo(AbstractInterface) method. It wouldn't get called automatically as it's not a strict reimplementation of that method. Is there a pattern for doing what I want here, allowing me to implement the IsRelatedTo function via ImplementationObject::has_relationship_to(ImplementationObject), without risky casts? (Also, I couldn't think of a good question title - please change it if you have a better one.)

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• Handle submission of forms created dynamically having same class

  - by user1504383

  i am creating a form for users to comment on each posts displayed through a loop and the form for commenting is also in the same loop. Now i want each comment to be submitted via jquery ajax but each time its taking into account only the first form . Here is my code:- while($row=mysql_fetch_array($result)) { ?> <?=$row['title']?> <h4>Add commment </h4> <form class="add_comment" method="post"> <div style="display:none;"><input type="text" name="id" class="id" value="<?=$row['id']?>"/></div> <input type="text" name="comment" class="comment"/> <input type="submit" name="submit" value="add" class="submit"/> </form> <?php } ?> And my jquery goes here $("form.add_comment").submit(function(event) { event.preventDefault(); var comment =$('.comment').attr('value'); var id =$('.id').attr('value'); $.ajax({ type: "POST", url: "/add_comment", data: "comment="+comment+"&id="+id, success: function() { location.reload(); } }); return false; });`enter code here` i understood the error that it selects the first one by default but couldnt fix it up plz help me

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• Download Remote File

  - by Abs

  Hello all, I have a function that will be passed in a link. The link is to a remote image. I thought I could just use the extension of the file in the URL to determine the type of image but some URLs won't have extensions in the URL. They probably just push headers to the browser and therefore I do not have an extension to parse from the URL. How can I test if the URL has an extension and if not then read the headers to determine the file type? Am I over complicating things here? Is there an easier way to do this? I am making use of Codeigniter maybe there is something already built in to do this? All I really want to do is download an image from a URL with the correct extension. This is what I have so far. function get_image($image_link){ $remoteFile = $image_link; $ext = ''; //some URLs might not have an extension $file = fopen($remoteFile, "r"); if (!$file) { return false; }else{ $line = ''; while (!feof ($file)) { $line .= fgets ($file, 4096); } $file_name = time().$ext; file_put_contents($file_name, $line); } fclose($file); } Thanks all for any help

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• AngularJS Templates run twice

  - by Curt

  I'm working on an AngularJS web app with Twitter Bootstrap. The templates run twice. I don't know why they do this. Below is some of the code in the index.html file: <html data-ng-app="app" ng-controller="AppCtrl"> <div class="container ng-view" data-ng-view></div> ... <script> (function (angular) { "use strict"; // jshint ;_; // http://coenraets.org/blog/2012/02/sample-application-with-angular-js/ angular.module('app', ['filters', 'angular', 'currency']) .config(function($routeProvider) { var _view_ = 'view/'; $routeProvider. when('/app', {templateUrl:_view_+'app/index.html', }). when('/account/settings', {templateUrl:_view_+'app/settings.html', }). when('/profile/:profile_ID', {templateUrl:_view_+'app/profile.html', controller:ProfilePageCtrl}). when('/discuss', {templateUrl:_view_+'discuss/discuss.html', controller:DiscussCtrl}). when('/', {templateUrl:_view_+'page/home.html' }). when('/:page', {templateUrl:_view_+'page.html', controller:PageCtrl}). otherwise({redirectTo:'/'}); }) ... Can anybody provide suggestions? Are the templates supposed to run twice? 2012-12-04 Update: I found out that the templates are running twice, not the controller.

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• Performance difference between functions and pattern matching in Mathematica

  - by Samsdram

  So Mathematica is different from other dialects of lisp because it blurs the lines between functions and macros. In Mathematica if a user wanted to write a mathematical function they would likely use pattern matching like f[x_]:= x*x instead of f=Function[{x},x*x] though both would return the same result when called with f[x]. My understanding is that the first approach is something equivalent to a lisp macro and in my experience is favored because of the more concise syntax. So I have two questions, is there a performance difference between executing functions versus the pattern matching/macro approach? Though part of me wouldn't be surprised if functions were actually transformed into some version of macros to allow features like Listable to be implemented. The reason I care about this question is because of the recent set of questions (1) (2) about trying to catch Mathematica errors in large programs. If most of the computations were defined in terms of Functions, it seems to me that keeping track of the order of evaluation and where the error originated would be easier than trying to catch the error after the input has been rewritten by the successive application of macros/patterns.

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• jQuery only apply to current li

  - by kylex

  I want to slide toggle the second level ul when I mouse over the relevant first level li. Currently the script displays all secondary ul on a mouseover. <div id="subNav"> <ul> <li>One</li> <ul> <li>SubOne</li> </ul> </li> <li>Two</li> <li> <ul> <li>SubTwo</li> </ul> </li> </ul> </div> And here is my jQuery $("#sideNav ul li").hover( function(){ $('#sideNav ul li ul').slideDown(); }, function(){ $('#sideNav ul li ul').slideUp(); } );

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• jQuery dynamic validation

  - by kpomka

  Hi there Im trying to do a few things with jQuery validation plugin and seems stuck on one place. Here is some code: <script type="text/javascript"> $(document).ready(function(){ $('#myform').validate(); $('#email').rules('add', {required: true, messages: {required: 'email is required'}} ); $('#phone').rules('add', {required: true, messages: {required: 'phone is required'}} ); $('#validate').click(function(){ $('#result').text($('#myform').validate().form()); return false; }); }); </script> <form id="myform"> <div>email:<input type="text" id="email" /></div> <div>phone:<input type="text" id="phone" /></div> <div id="result"></div> <input id="valdate" type="image" src="images/submit.png" /> </form> As a result i keep getting a wrong error message. If i click on submit button 'phone is required' is shown near email input and 'email is required' isnt shown at all. Whats wrong with this code ?

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• PHP Mail() not working on remote server

  - by Amaerth

  I am developing an application and have been testing the mail() function in PHP. The following works just fine on my local machine to send emails to myself, but as soon as I try to send it from the testing environment to my local machine, it silently fails. I will still get the "Mail Sent" message, but no message is sent. I turned on the mail logging in the php.ini file, but even that doesn't seem to be populated after I refresh the page. Again, the .php files and php.ini files are identical in both environments. Port 25 has been opened on the testing environment, and we are using a Microsoft Exchange server. <?php $to = "[email protected]"; $subject = "Test mail"; $message = "Hello! This is a simple email message."; $from = "[email protected]"; $headers = "From:" . $from; mail($to,$subject,$message,$headers); echo "Mail Sent."; ?> SMTP area of the php.ini file: [mail function] ; For Win32 only. ; http://php.net/smtp SMTP = exhange.server.org ; http://php.net/smtp-port smtp_port = 25 ; For Win32 only. ; http://php.net/sendmail-from sendmail_from = [email protected]

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• How to prevent onclick statements from being executed?

  - by ryanli

  I want to use an event listener for preventing the onclick statement of a submit button, however, using event.preventDefault() doesn't work as intended. The code is like this: <?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <script type="application/x-javascript"> function addListener() { document.getElementById("submit").addEventListener("click", function(ev) { alert("listener"); ev.preventDefault(); }, false); } </script> <title></title> </head> <body onload="addListener();"> <form id="form" method="post" target=""> <input type="submit" id="submit" onclick="alert('onclick')" value="test" /> </form> </body> </html> The expected behaviour is only "listener" will be alerted, but in practice (Firefox 3.7a5pre), "onclick" and "listener" are both alerted, in the given order. It seems that onclick is being executed before the listener, so event.preventDefault() doesn't work. Is there a way to prevent onclick from being executed?

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• GTK+: How do I process RadioMenuItem choice without marking it chosen? And vise versa

  - by eugene.shatsky

  In my program, I've got a menu with a group of RadioMenuItem entries. Choosing one of them should trigger a function which can either succeed or fail. If it fails, this RadioMenuItem shouldn't be marked chosen (the previous one should persist). Besides, sometimes I want to set marked item without running the choice processing function. Here is my current code: # Update seat menu list def update_seat_menu(self, seats, selected_seat=None): seat_menu = self.builder.get_object('seat_menu') # Delete seat menu items for menu_item in seat_menu: # TODO: is it a good way? does remove() delete obsolete menu_item from memory? if menu_item.__class__.__name__ == 'RadioMenuItem': seat_menu.remove(menu_item) # Fill menu with new items group = [] for seat in seats: menu_item = Gtk.RadioMenuItem.new_with_label(group, str(seat[0])) group = menu_item.get_group() seat_menu.append(menu_item) if str(seat[0]) == selected_seat: menu_item.activate() menu_item.connect("activate", self.choose_seat, str(seat[0])) menu_item.show() # Process item choice def choose_seat(self, entry, seat_name): # Looks like this is called when item is deselected, too; must check if active if entry.get_active(): # This can either succeed or fail self.logind.AttachDevice(seat_name, '/sys'+self.device_syspath, True) Chosen RadioMenuItem gets marked irrespective of the choose_seat() execution result; and the only way to set marked item without triggering choose_seat() is to re-run update_seat_menu() with selected_seat argument, which is an overkill. I tried to connect choose_seat() with 'button-release-event' instead of 'activate' and call entry.activate() in choose_seat() if AttachDevice() succeeds, but this resulted in whole X desktop lockup until AttachDevice() timed out, and chosen item still got marked.

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• Adding functions to Java class libraries

  - by Eric

  I'm using a Java class library that is in many ways incomplete: there are many classes that I feel ought to have additional member functions built in. However, I am unsure of the best practice of adding these member functions. Lets call the insufficient base class A. class A { public A(/*long arbitrary arguments*/) { //... } public A(/*long even more arbitrary arguments*/) { //... } public int func() { return 1; } } Ideally, I would like to add a function to A. However, I can't do that. My choice is between: class B extends A { //Implement ALL of A's constructors here public int reallyUsefulFunction() { return func()+1; } } and class AddedFuncs { public int reallyUsefulFunction(A a) { return a.func()+1; } } The way I see it, they both have advantages and disadvantages. The first choice gives a cleaner syntax than the second, and is more logical, but has problems: Let's say I have a third class, C, within the class library. class C { public A func() { return new A(/*...*/); } } As I see it, there is no easy way of doing this: C c; int useful = c.func().reallyUsefulFunction(); as the type returned by C.func() is an A, not a B, and you can't down-cast. So what is the best way of adding a member function to a read-only library class?

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• Extended Zend_Db_Table_Row_Abstract does not return values

  - by WesleyE

  Hi, I'm quite new to Zend and the database classes from it. I'm having problems mapping a Zend_Db_Table_Row_Abstract to my rows. The problem is that whenever I try to map it to a class (Job) that extends the Zend_Db_Table_Row_Abstract class, the database data is not receivable anymore. I'm not getting any errors, trying to get data simply returns null. Here is my code so far: Jobs: class Jobs extends Zend_Db_Table_Abstract { protected $_name = 'jobs'; protected $_rowsetClass = "Job"; public function getActiveJobs() { $select = $this->select()->where('jobs.jobDateOpen < UNIX_TIMESTAMP()')->limit(15,0); $rows = $this->fetchAll($select); return $rows; } } Job: class Job extends Zend_Db_Table_Row_Abstract { public function getCompanyName() { //Gets the companyName for this row (Is on another table), just for example } } Controller: $oJobs = new Jobs(); $aActiveJobs = $oJobs->getActiveJobs(); foreach ($aActiveJobs as $value) { var_dump($value->jobTitle); } When I remove the "protected $_rowsetClass = "Job";" line, so that the table row is not mapped to my own class, I get all the jobTitles perfectly. What am I doing wrong here? Thanks in advance, Wesley

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• onKeypress Enter Key event on textfield not working in Chrome

  - by rlcrews

  I have a question along the same vein as the one asked here regarding how the enter key is handled in chrome. The effect I am trying to accomplish is to allow the enter key to call a click event of one a button while focus in within the current field. To accomplish this I am using the following code: javascript: <script type="text/javascript"> //attempting to capture keypress for chrome here but this is not working $("#txtContainer").keypress(function (e) { if (e.keyCode == '13') { e.preventDefault(); doClick(buttonname, e); return false; } }); function doClick(buttonName, e) { var key; if (window.event) key = window.event.keyCode; //IE else key = e.which; //firefox if (key == 13) { var btn = document.getElementById(buttonName); if (btn != null) { btn.click(); event.keyCode = 0 } } } </script> within the aspx <form id="form1" runat="server"> <div> <asp:LinkButton ID="newBtn" runat="server" OnClick="btnLogin_Click" Text="ASP Link" /> <asp:TextBox ID="txtContainer" runat="server" Width="100" /> <asp:Label ID="time_lbl" runat="server" /> </div> </form> and within the code behind aspx.cs protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { txtContainer.Attributes.Add("onKeyPress", "doClick('" + newBtn.ClientID + "',event)"); } } public void btnLogin_Click(object sender, EventArgs e) { time_lbl.Text = txtContainer.Text; } The above code works fine in FF and IE however chrome continues to submit the entire form vs. capturing the keypress on the enterkey. Thank you for any suggestions.

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• Getting jsonString via Jquery coming up empty

  - by NoobCoder

  I'm using asp mvc and I'm getting data in one part of my program like this public List<IncidentPerAreaCount> getIncident() { int RondeboschCounter = 0; int ClaremontCounter = 0; int AthloneCounter = 0; List<IncidentPerAreaCount> IncidentAreaCount = new List<IncidentPerAreaCount>(); IncidentPerAreaCount Rondebosch = new IncidentPerAreaCount(); IncidentPerAreaCount Claremont = new IncidentPerAreaCount(); IncidentPerAreaCount Athlone = new IncidentPerAreaCount(); List<Report> Reports = GetReports(); for (int i = 0; i < Reports.Count(); i++) { if (Reports.AsEnumerable().ElementAt(i).Area == "Rondebosch") { RondeboschCounter++; } else if (Reports.AsEnumerable().ElementAt(i).Area == "Claremont") { ClaremontCounter++; } else if (Reports.AsEnumerable().ElementAt(i).Area == "Athlone") { AthloneCounter++; } } Rondebosch.AreaName = "Rondebosch"; Rondebosch.NumberOfIncidents = RondeboschCounter; Claremont.AreaName = "Claremont"; Claremont.NumberOfIncidents = ClaremontCounter; Athlone.AreaName = "Athlone"; Athlone.NumberOfIncidents = AthloneCounter; IncidentAreaCount.Add(Rondebosch); IncidentAreaCount.Add(Claremont); IncidentAreaCount.Add(Athlone); return IncidentAreaCount; } Then I'm trying to get this string via Jquery var Reports = []; $.ajax({ url: "Home/getIncident", async: false, dataType: 'json', success: function (json) { Reports = json.whatever; } }); alert(Reports); However the alert function keeps coming up empty (ie empty textbox) instead of having a json formatted string with data. Please help...

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• whether rand_r is real thread safe?

  - by terry

  Well, rand_r function is supposed to be a thread safe function. However, by its implementation, I cannot believe it could make itself not change by other threads. Suppose that two threads will invoke rand_r in the same time with the same variable seed. So read-write race will occur. The code rand_r implemented by glibc is listed below. Anybody knows why rand_r is called thread safe? int rand_r (unsigned int *seed) { unsigned int next = *seed; int result; next *= 1103515245; next += 12345; result = (unsigned int) (next / 65536) % 2048; next *= 1103515245; next += 12345; result <<= 10; result ^= (unsigned int) (next / 65536) % 1024; next *= 1103515245; next += 12345; result <<= 10; result ^= (unsigned int) (next / 65536) % 1024; *seed = next; return result; }

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• How to use the Zend_Log instance that was created using the Zend_Application_Resource_Log in a model

  - by Alex

  Our Zend_Log is initialized by only adding the following lines to application.ini resources.log.stream.writerName = "Stream" resources.log.stream.writerParams.mode = "a" So Zend_Application_Resource_Log will create the instance for us. We are already able to access this instance in controllers via the following: public function getLog() { $bootstrap = $this->getInvokeArg('bootstrap'); //if (is_null($bootstrap)) return false; if (!$bootstrap->hasPluginResource('Log')) { return false; } $log = $bootstrap->getResource('Log'); return $log; } So far, so good. Now we want to use the same log instance in model classes, where we can not access the bootstrap. Our first idea was to register the very same Log instance in Zend_Registry to be able to use Zend_Registry::get('Zend_Log') everywhere we want: in our Bootstrap class: protected function _initLog() { if (!$this->hasPluginResource('Log')) { throw new Zend_Exception('Log not enabled'); } $log = $this->getResource('Log'); assert( $log != null); Zend_Registry::set('Zend_Log', $log); } Unfortunately this assertion fails == $log IS NULL --- but why?? It is clear that we could just initialize the Zend_Log manually during bootstrapping without using the automatism of Zend_Application_Resource_Log, so this kind of answers will not be accepted.

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• Codeigniter - Active record - sql - complex join

  - by Jack

  I have a function that retrieves all tags from a table: function global_popular_tags() { $this->db->select('tags.*, COUNT(tags.id) AS count'); $this->db->from('tags'); $this->db->join('tags_to_work', 'tags.id = tags_to_work.tag_id'); $this->db->group_by('tags.id'); $this->db->order_by('count', 'desc'); $query = $this->db->get()->result_array(); return $query; } I have another table called 'work'. The 'work' table has a 'draft' column with values of either 1 or 0. I want the COUNT(tags.id) to take into account whether the work with the specific tag is in draft mode (1) or not. Say there are 10 pieces of work tagged with, for example, 'design'. The COUNT will be 10. But 2 of these pieces of work are in draft mode, so the COUNT should really be 8. How do I manage this?

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• jQuery class selector and click()

  - by Anonymous

  I'm currently trying to get an alert to happen when something is clicked. I can get it working in jsFiddle, but not in production code: jsFiddle example that works (jQuery 1.5 loaded) HTML (in case jsFiddle is inaccessible): <!DOCTYPE HTML><html><head><title>Test</title></head> <body> <h1>25 Feb 2011</h1><h3>ABC</h3><ul> <li class="todoitem">Test&mdash;5 minutes</li> </ul> </body></html> Javascript: $(".todoitem").click(function() { alert('Item selected'); }); Non-working production example: <!DOCTYPE HTML><html><head><title>Test</title> <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.5.1.min.js" type="text/javascript"></script> <script type="text/javascript"> $(".todoitem").click(function() { alert('Item selected'); }); </script> </head> <body> <h1>25 Feb 2011</h1><h3>ABC</h3><ul><li class="todoitem">Test&mdash;5 minutes</li></ul> </body> </html> Safari's Inspector indicate that jQuery is being loaded correctly, so that's not the issue. As far as I can tell, these two pieces of code are essentially identical, but the latter isn't working. Can anyone see what I've done wrong?

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• Replace field value(s) in a String

  - by xybrek

  Using Google Guava is there String utility to easily replace string field inside like this: String query = mydb..sp_mySP ${userId}, ${groupId}, ${someOtherField} Where I can do something like this: StringUtil.setString(query) .setField("userId", "123") .setField("groupId", "456") .setField("someOtherField", "12-12-12"); Then the resulting String would be: mydb..sp_mySP 123, 456, 12-12-12 Of course, setting the String field patter like ${<field>} before the operation... Anyway, this is my approach: public class StringUtil { public class FieldModifier { private String s; public FieldModifier(String s){ this.s = s; } public FieldModifier setField(String fieldName, Object fieldValue){ String value = String.valueOf(fieldValue); s = modifyField(s, fieldName, value); return new FieldModifier(s); } private String modifyField(String s, String fieldName, String fieldValue){ String modified = ""; return modified; } } public FieldModifier parse(String s){ FieldModifier fm = new FieldModifier(s); return fm; } } So in this case, I just need to put the actual code in the modifyField function that will modify the string in a straightforward way. Also if there's a way so the parse function be static so I can just do StringUtil.parse(...) without doing new StringUtil().parse(...) which really doesn't look good.

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• Trouble managing events in Flex/actionscript

  - by Zaka

  Hello all, I'm doing some newbie tests, so I decided to capture the keyboard events to move a rectangle. But I don't get the desired result. Unless I click on the TextArea box, I'm not able to capture the event key code. After that, all goes pretty well. I'm using Eclipse 3.3 + Flex 3.0 on Linux. Here's my code: <?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" enterFrame="enterFrame(event)" keyDown="onKeyDown(event)"> <mx:TextArea id="myText" x="200" y="200" width="100" height="100" /> <mx:Canvas id="myCanvas" x="0" y="0" width="100" height="100" /> <mx:Script> <![CDATA[ public var clearColor : uint = 0xFF456798; public var myPoint : Point = new Point(0,0); public function enterFrame(event:Event):void { myCanvas.graphics.clear(); myCanvas.graphics.beginFill(0xFF344ff0); myCanvas.graphics.drawRect(myPoint.x,myPoint.y,40,40); myCanvas.graphics.endFill(); } public function onKeyDown(event:KeyboardEvent):void { myText.text = "Keycode is: " + event.keyCode + "\n"; switch(event.keyCode) { case 37: //Left myPoint.x -= 1; break; case 38: //Up myPoint.y -= 1; break; case 39: //Right myPoint.x += 1; break; case 40: //Down myPoint.y += 1; break; } } ]]> </mx:Script> </mx:Application>

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