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  • White box testing with Google Test

    - by Daemin
    I've been trying out using GoogleTest for my C++ hobby project, and I need to test the internals of a component (hence white box testing). At my previous work we just made the test classes friends of the class being tested. But with Google Test that doesn't work as each test is given its own unique class, derived from the fixture class if specified, and friend-ness doesn't transfer to derived classes. Initially I created a test proxy class that is friends with the tested class. It contains a pointer to an instance of the tested class and provides methods for the required, but hidden, members. This worked for a simple class, but now I'm up to testing a tree class with an internal private node class, of which I need to access and mess with. I'm just wondering if anyone using the GoogleTest library has done any white box testing and if they have any hints or helpful constructs that would make this easier. Ok, I've found the FRIEND_TEST macro defined in the documentation, as well as some hints on how to test private code in the advanced guide. But apart from having a huge amount of friend declerations (i.e. one FRIEND_TEST for each test), is there an easier idion to use, or should I abandon using GoogleTest and move to a different test framework?

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  • Here Is Official GMail App For iPhones & iPads

    - by Gopinath
    Its a great day for GMail users! Few hours ago Google pushed a new GMail web user interface to all the users and now they released GMail iOS App[iTunes Link]. After delaying several years Google at last released a native GMail application of iPhone, iPad & iPod touch. In a blog post, Google says We’ve combined your favorite features from the Gmail mobile web app and iOS into one app so you can be more productive on the go.It’s designed to be fast, efficient and take full advantage of the touchscreen and notification capabilities of your device. The iOS App includes almost all the features that are found on Android version of GMail app -  users can star, label, archive, access the Priority Inbox and push notifications for new mail alerts. It also includes standard touchscreen commands like pull down to refresh and swipe to scroll emails. Go and grab the GMail App from iTunes This article titled,Here Is Official GMail App For iPhones & iPads, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • Daily Blog Archives and Duplicate Content

    - by nemmy
    A few weeks back I realised that my blog software was creating daily post archives. Which basically resulted in duplicate content especially if I only had one post a day. The situation is something like this: www.sitename.com/blog/archives/2013/06/01 - daily archive for 1 June 2013 www.sitename.com/blog/archives/2013/06/my-post-name.html So, here we have two pages that are basically identical except the daily archive has some meaningless title like "Daily Archive for 1 June 2003". And I have no control over which content Google decides is the primary content. It's quite possible (and likely) that the daily archive could be the "primary" content and the actual post itself the "duplicate". Once I realised it was doing this I modified the daily archive template to include <meta name="robots" content="noindex"> Here we are a few weeks later and I still see some daily archives coming up in Google search results. I realise some of those deep pages might not be crawled yet but I am worried that the original post (which should be the PRIMARY content) has been marked duplicate content by Google. Now I've no indexed the daily archives I might end up with no indexed content AND the original articles still flagged as duplicates. And nothing will show up in search at all. Have I screwed myself here or is there a way out?

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  • Googlebot visit but no cache update - why?

    - by Mick
    I have made a new plain vanilla HTML website. I have been making regular modifications to it on an almost daily basis. The site is hosted by hostmonster and as part of their service they offer "awstats" to let you know assorted details of visitors to the site. One thing is puzzling me. According to awstats, a "robot/spider" calling itself "Googlebot" visited my site as recently as today (28th June 2011), but when I find my site on google (e.g. by searching for "full reserve banking") the cache is dated only the 5th June. I always thought that a visit from the google robot was synonymous with a cache update. Am I wrong? Or have I accidentally put something in the site telling google that nothing has been updated? EDIT: It seems a moderator has removed the name of my website, so there is now no chance that anyone could check out if I had made some error on my site :-( ... but anyway, in answer to paulmorriss' question, here is what aw stats was telling me:

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  • Tracking subdomains in the same profile as the main domain

    - by Osvaldo
    I have a site, let's call it http://www.example.com with a non-universal Google analytics account. Now we have to add new functionalities in a subdomain like https://subdomain.example.com as a micro site. On that subdomain the URL's will be something like https://subdomain.example.com?param1=foo&param2=bar We can't change the requirements as both main site and mini-site use a different CMS/application. This is strictly a Google Analytics question. But we need to count pageviews and events that happen in that subdomain (with URLs like https://subdomain.example.com?param1=foo&param2=bar) as belonging to the main domain. So pageviews and events in https://subdomain.example.com?param1=foo&param2=bar need to be recorded as if they happened in http://www.example.com/path/to/whatever/I/want Fortunately we have full control on JavaScript in the main domain site and in the subdomain site too. How can we make this work? Do we need to change tracking code both in the main domain and subdomains? Do we need to reconfigure Google Analytics? Please note again that we do not want to create a new view for the subdomain. Both mini-site and main site should be in the same account, property and view.

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  • page rank 0 penalty

    - by mark
    I have a wordpress blog and a www-website on the same domain for about one year. Together it is about 170 pages. The page rank is still 0. I understand that page rank 0 is a penalty for duplicate content. The pages are indexed in google but still no page rank. In google webmaster tools there is no indication for any problem. I asked for reconsideration of both blog and website a month ago. Google accepted the reconsideration but it did not change anything. Other pages of similar size and similar audience earn PR 4-6. Is there something I can do in order to get a fair page rank? A coworker told me that it might be the case that a link farm is using the content and I can do nothing about it. Is there a reliable way to check for something like that? I do not like to give up so quickly is there a chance to fix this by for example moving to another domain?

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  • 301 redirect: Is this good or bad for 2 domains?

    - by Tim
    Since i couldn't find any appropriate answer to my specific question, I wanted to ask you. I've read alot of things about the 301-redirect for moving pages and so on. A customer of mine has booked a new domain last year for better search results (he included his main keyword into the domain. Before he had only a domain with his business name, which had nothing to say about what he does). I told him, that he should do a 301-redirect so he doesn't loose his position in Google and to redirect all new customers coming from the old domain to the new domain. After about one year where his site hat a good amount of traffic the search results of Google for his keywords are getting more worse. Since he didn't maintain his website (no new content, bad content on all pages and so on) I assumed this would be the problem. He gave his website to another company which also makes websites. They told him, that this 301-redirection is very bad for his website. They removed it, and also updated his content and the template so now he has the same meta keywords on every page (instead of the specific ones I put there before). He also removed the canonical-tag which I placed there to ensure no duplicate content. What I am now afraid of is, that without this redirect Google now will find duplicate content and therefore kick him out of the index, which would be a nightmare, since most of his customers come over his website. I need verification of the fact, that the 301 isn't bad but in fact the correct way of working with 2 domains. If possible with good sources I can point out to him since he don't wants to hear anything about this. If someone also has a few words about the keywords and the canonical-tag I would really appreciate it! Thank you very much!

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  • Rich snippet for Google Custom Search - Schema.org

    - by Joesoc
    I am trying to extract the book URL from a link using microdata. The format is specified in schema.org. Here is my html. <div class="col-sm-4 col-md-3" itemscope itemtype="http://schema.org/Book"> <div class="thumbnail"> <img src="{{ book.thumbnailurl }}" itemprop="thumbnailUrl" style="width: 100px;height: 200px;"> <div class="caption"> <h4><span itemprop="name">{{ book.name }}</span> - <span itemprop="author">{{ book.author }}</span></h4> <p><span itemprop="about"> {{ book.about }}</span></p> <p> <a href="{{ book.url }}" itemprop="url" onclick="trackOutboundLink(‘{{ book.name }}’);"> <button type="button" class="btn btn-default btn-md"> <span class="glyphicon glyphicon-book"></span>Read </button> </a> </p> </div> </div> </div> When I use google snippet testing tool the JSON API returns book as a html link. However when I make the call in javascript the value of url is text("Read"). What am i missing ?

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  • Tracking form abandonment

    - by Alec Sanger
    I'm looking for a decent way to track form abandonment. Ideally, I would like to see how many people start filling out a form but do not complete it, as well as the last field that was filled out. The website is a fairly large Wordpress site with quite a few forms. Some of these forms are to register for events, some are for donations, some are for information requests. My first attempt at this was adding a generic jquery that bound functions to all forms on the site. When a form element was blurred, I would trigger a Google Analytics event with the name of the form, the name of the field, and whether or not it was filled. I expected to be able to go to the Event Flow section in Google Analytics and see the flow of these form events, however since there are so many forms and other events occurring on the website, Google wouldn't let me break them out very well. The other issue was the Quform doesn't name their fields anything relevant, and it doesn't look like we can name them ourselves. This results in a lot of ugly form names that don't mean anything without cross-referencing the actual form. Does anybody have any suggestions on how I can achieve more usable form abandonment metrics in a scenario like this?

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  • Googlebot visit but no cache update - why?

    - by Mick
    I have made a new plain vanilla HTML website. I have been making regular modifications to it on an almost daily basis. The site is hosted by hostmonster and as part of their service they offer "awstats" to let you know assorted details of visitors to the site. One thing is puzzling me. According to awstats, a "robot/spider" calling itself "Googlebot" visited my site as recently as today (28th June 2011), but when I find my site on google (e.g. by searching for "full reserve banking") the cache is dated only the 5th June. I always thought that a visit from the google robot was synonymous with a cache update. Am I wrong? Or have I accidentally put something in the site telling google that nothing has been updated? EDIT: It seems a moderator has removed the name of my website, so there is now no chance that anyone could check out if I had made some error on my site :-( ... but anyway, in answer to paulmorriss' question, here is what aw stats was telling me:

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  • SEO Blog Indexing : Dot Wordpress Versus a Registered Domain?

    - by rumspringa00
    I've used Wordpress for a few of my client's sites, mostly small businesses and ecommerce sites. I have found through Google Analytics as well as the All in One Webmaster plugin that when it comes to social media, using Wordpress is a surefire way of getting your site indexed by Google and occasionally Bing and Yahoo. Since I am a heavy WP user, I'd like to contribute by registering a dot Wordpress domain for my portfolio. When using a WP installation concurrently with a WP domain, e.g. myportfolio.wordpress.com, will the site be more or less likely to be indexed rather a generic myportfolio.com domain? I've seen mixed opinions where people seem to favor a WP domain for URL output where others say that it's a moot point, and that Google will not favor a WP domain over a dot com domain as long as your meta tags are updated and content is keyword optimized. I tend to disagree and believe a WP domian would more likely be indexed and output more URLs over an individual, laconic domain like myportfolio.com. Am I wrong? Thanks in advance!

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  • preventing changes to a cell in google spreadsheet [migrated]

    - by A B
    I want to prevent changes to column K in google spreadsheet. Whatever value is there, I do not want it changed. I do not like the protection feature as it makes what I consider an ugly display. My code. Unfortunately, it does absolutely nothing. The intent was to take whatever the current value is in the cell, save it, and then write it back on exit of the cell instead of saving whatever changes might have been made to the cell. The cell will either be blank to start, or will already have been modified to contain a date & time. Whatever the current contents blank or not, it should retain the same value after leaving the cell. function onEdit() { var s = SpreadsheetApp.getActiveSheet(); var r = s.getActiveCell(); var columnNum=r.getColumn() // if column is K then prevent any changes if (columnNum == 11) { var dateCell = s.getRange(r.getRow(), 11); var v=dateCell.getValue(); dateCell.setValue(v); } };

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  • Android animation's first frame is applied too early on ImageView

    - by Robert
    I have the following View setup in one of my Activities: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/photoLayout" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ImageView android:id="@+id/photoImageView" android:src="@drawable/backyardPhoto" android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="center" android:scaleType="centerInside" android:padding="45dip" > </ImageView> </LinearLayout> Without an animation set, this displays just fine. However I want to display a very simple animation. So in my Activity's onStart override, I have the following: @Override public void onStart() { super.onStart(); mPhotoImageView = (ImageView) findViewById(R.id.photoImageView); float offset = -25; int top = mPhotoImageView.getTop(); TranslateAnimation anim1 = new TranslateAnimation( Animation.ABSOLUTE, 0, Animation.ABSOLUTE, 0, Animation.ABSOLUTE, top, Animation.ABSOLUTE, offset); anim1.setInterpolator(new AnticipateInterpolator()); anim1.setDuration(1500); anim1.setStartOffset(5000); TranslateAnimation anim2 = new TranslateAnimation( Animation.ABSOLUTE, 0, Animation.ABSOLUTE, 0, Animation.ABSOLUTE, offset, Animation.ABSOLUTE, top); anim2.setInterpolator(new BounceInterpolator()); anim2.setDuration(3500); anim2.setStartOffset(6500); mBouncingAnimation = new AnimationSet(false); mBouncingAnimation.addAnimation(anim1); mBouncingAnimation.addAnimation(anim2); mPhotoImageView.setAnimation(mBouncingAnimation); } The problem is that when the Activity displays for the first time, the initial position of the photo is not in the center of the screen with padding around. It seems like the first frame of the animation is loaded already. Only after the animation is completed, does the photoImageView "snap" back to the intended location. I've looked and looked and could not find how to avoid this problem. I want the photoImageView to start in the center of the screen, and then the animation to happen, and return it to the center of the screen. The animation should happen by itself without interaction from the user.

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  • How to reference var from frame on timeline in an object class

    - by brybam
    I'm using Flash Professional cs5/AS3 I'll try and describe this the best I can. I'm new to ActionScript. So, in my timeline I have a var on a frame that represents "lives" and i have some code in the timeline that takes down the number of lives depending on certain events, which all works great. so, now i wanted to make a constructor class that I could reuse for a bunch of movie clip objects and I only want these objects to be able to move if the lives variable is greater than certain number. So now, building my constructor class for these objects i just wanted put an if statement that is looking to see if the lives are greater than a certain number, which if it is then should make these objects do what i want...But, when i run the project I get "1120: Access of undefined property lives." lives is the var I made obviously like I said, and it works fine being referenced everyone else except when I make a new .as file for these objects then try and reference it. I get the same error when I try and establish "lives" in the main project class too. I'm not sure where I should put this var or how I can make it so i can reference it from an object class. I'm not really sure how to word or describe my issue which has made it hard to search for a tutorial. Any suggestions i'm sure this has to be a simple task.

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  • Problem: Movie Clip contains just one frame

    - by Doug
    I'm a newbie at Flash, so started playing with a pretty standard code sample: one layer contains a movie clip with a flying rectangle, another layer has a button to control it. All script code is in Main.as file. The rectangle was named square1 through the Property window. Here is the problem: the constructor for Main has a line: square1.stop(); to prevent clip from playing, but it doesn't help - it plays. I know the constructor fires, because it has trace("stuff") in it. The code does check that the stage has been created. What strange is that square1.currentFrame always returns 1, and square1.totalFrames returns 1 as well. The layer has 24 frames on the timeline. I tried a tween with just 2 keyframes, then converted whole tween into frames - same result. I mean, the thing is flying before my eyes, how can it be 1 frame??? I even added a listener: square1.addEventListener(Event.ENTER_FRAME, onFrameChange); The event fires all the time, i.e. the frames change, but currentFrame is still 1. Also, tried to name individual frames and use square1.gotoAndStop("begin") and stuff like that. Nothing helps. I am really stuck with this stupid problem.

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  • How to extract the lat/lng of pins in google maps?

    - by BCS
    I want to extract the latitude and longitude of a set of about 50-100 pins in a Google maps web page. I don't control the page and I don't need to do it more than once so I'm looking for something quick and dirty. I've got FireFox with FireBug as well as Chrome and all I need is something that's easier than re typing all the numbers.

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  • What kind of sorting does the Windows 7 login screen use for usernames?

    - by Paul D. Waite
    I’ve set up ten Windows 7 user accounts, so that I can test different versions of Google Chrome*. I’ve named the accounts “Chrome 01”, “Chrome 02”, and so on. Ideally, I’d like the accounts sorted on the login screen by Chrome version, which is why I added the leading zero to the version number (assuming it was an alphabetic sort). However, when I created the “Chrome 10” account, it ended up sorted between “Chrome 01” and “Chrome 02”. What is going on? *(Chrome installs are user-account-specific)

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  • Javascript not working in IE but works in Firefox chrome

    - by user1290528
    So i have the following php page with a java script that gets the total of items based on their quatity, then inputs the total into a text box for each item. In ie the text boxes are being filled with $NaN. While in firefox, chrome the text boxes are filled with the correct values. Any help would be graatly appreciated. <?php echo $_SESSION['SESS_MEMBER_ID']; require_once('auth.php'); ?> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"> <title>Breakfast Menu</title> <link href="loginmodule.css" rel="stylesheet" type="text/css"> <script type='text/javascript'> var totalarray=new Array(); var totalarray2= new Array(); var runningtotal = 0; var runningtotal2 = 0; var discount = .2; var discounttotal = 0; var discount1 = 0; runningtotal = runningtotal * 1; runningtotal2 = runningtotal2 * 1; function displayResult(price,init) { var newstring = "quantity"+init; var totstring = "total"+init; var quantity = document.getElementById(newstring).value; var quantity = parseFloat(quantity); var test = price * quantity; var test = test.toFixed(2); document.getElementById(newstring).value = quantity; document.getElementById(totstring).value = "$" + test; totalarray[init] = test; getTotal(); } function getTotal(){ runningtotal = 0; var i=0; for (i=0;i<totalarray.length;i++){ totalarray[i] = totalarray[i] *1; runningtotal = runningtotal + totalarray[i]; discounttotal = totalarray[i] * discount; discounttotal = totalarray[i] - discounttotal; This line is where IE shows its first error document.getElementById('totalcost').value="$" + runningtotal.toFixed(2); } var orderpart1 = document.getElementById('totalcost').value; var orderpart1 = orderpart1.substr(1); var orderpart1 = orderpart1 * 1; var orderpart2 = document.getElementById('totalcost2').value; var orderpart2 = orderpart2.substr(1); var orderpart2 = orderpart2 * 1; var ordertot = orderpart1 + orderpart2; document.getElementById('ordertotal').value ="$"+ ordertot.toFixed(2) } function displayResult2(price2,init2) { var newstring2 = "quantity2"+init2; var totstring2 = "total2"+init2; var quantity2 = document.getElementById(newstring2).value; var quantity2 = parseFloat(quantity2); var test2 = price2 * quantity2; var test2 = test2.toFixed(2); document.getElementById(newstring2).value = quantity2; document.getElementById(totstring2).value = "$" + test2; totalarray2[init2] = test2; getTotal2(); } function getTotal2(){ runningtotal2 = 0; var i=0; for (i=0;i<totalarray2.length;i++){ totalarray2[i] = totalarray2[i] *1; runningtotal2 = runningtotal2+ totalarray2[i]; This is where IE shows its second error document.getElementById('totalcost2').value="$" + runningtotal2.toFixed(2); }//IE Shows Second error here var orderpart1 = document.getElementById('totalcost').value; var orderpart1 = orderpart1.substr(1); var orderpart1 = orderpart1 * 1; var orderpart2 = document.getElementById('totalcost2').value; var orderpart2 = orderpart2.substr(1); var orderpart2 = orderpart2 * 1; var ordertot = orderpart1 + orderpart2; document.getElementById('ordertotal').value ="$"+ ordertot.toFixed(2); } </script> </head> <body> <?php include("newnew.php"); ?> <td style="vertical-align: top; width: 80%; height:80%;"><br> <div style="text-align: center;"> <form action="testplaceorder.php" method="post" onSubmit="return confirm('Are you sure?');"> <h4>Employee Breakfast Order Form</h4> <h1 align="left">Breakfest Foods</h1> <table border='0' cellpadding='0' cellspacing='0'> <tr> <td> <table width="100%" border="1"> <tr> <th>Item&nbsp&nbsp&nbsp&nbsp&nbsp</th> <th>Price&nbsp&nbsp&nbsp&nbsp&nbsp </th> <th>Quantity&nbsp&nbsp&nbsp&nbsp&nbsp</th> <th>Total&nbsp&nbsp&nbsp&nbsp&nbsp</th> </tr> <?php mysql_connect("localhost", "seniorproject", "farmingdale123") or die(mysql_error()); mysql_select_db("fsenior") or die(mysql_error()); $result = mysql_query("SELECT name, price,foodid FROM Food where foodtype='br'") or die(mysql_error()); $init = 0; while(list($name, $price, $brId) = mysql_fetch_row($result)) { echo "<tr> <td>$name</td> <td>\$$price</td> <td><select name='quantity$init' id='quantity$init' onchange='displayResult($price,$init)'><option>0</option><option>1</option><option>2</option><option>3</option><option>4</option><option>5</option><option>6</option><option>7</option><option>8</option><option>9</option></td> <td><input name='total$init' type='text' id='total$init' readonly='readonly' value='\$0.00'></td> </tr>" ; echo "<script type='text/javascript'>displayResult($price,$init);</script>"; $foodname = "'SESS_FOODNAME_" . $init . "'"; $foodid = "'SESS_FOODID_" . $init."'"; $_SESSION[$foodname] = $name; $_SESSION[$foodid] = $brId; $init = $init+1; } $_SESSION['SESS_INIT'] = $init; ?> <tr> <td></td> <td></td> <td>Total Cost</td> <td><input name='totalcost' type='text' id='totalcost' readonly='readonly' value='$0.00'></td> </tr> <tr><td></td><td></td><td>Discount</td><td><input name='discountvalue1' id ='discountvalue1' type='text' readonly='readonly' value='20%'></td> </tr> <tr><td></td><td></td><td>Total After Discount</td><td><input name='discounttotal1' id ='discounttotal1' type='text' readonly='readonly' value='$0.00'></td></tr> </table> <tr> <td><br></td> </tr> </table> <h1 align="left">Breakfest Drinks</h1> <table border='0' cellpadding='0' cellspacing='0'> <tr> <td> <table width="100%" border="1"> <tr> <th>Item&nbsp&nbsp&nbsp&nbsp&nbsp</th> <th>Price&nbsp&nbsp&nbsp&nbsp&nbsp </th> <th>Quantity&nbsp&nbsp&nbsp&nbsp&nbsp</th> <th>Total&nbsp&nbsp&nbsp&nbsp&nbsp</th> </tr> <?php mysql_connect("localhost", "****", "***") or die(mysql_error()); mysql_select_db("fsenior") or die(mysql_error()); $result2 = mysql_query("SELECT drinkname, price,drinkid FROM Drinks where drinktype='br'") or die(mysql_error()); $init2 = 0; while(list($name2, $price2, $brId2) = mysql_fetch_row($result2)) { echo "<tr> <td>$name2</td> <td>\$$price2</td> <td><select name='quantity2$init2' id='quantity2$init2' onchange='displayResult2($price2,$init2)'><option>0</option><option>1</option><option>2</option><option>3</option><option>4</option><option>5</option><option>6</option><option>7</option><option>8</option><option>9</option></td> <td><input name='total2$init2' type='text' id='total2$init2' readonly='readonly' value='\$0.00'></td> </tr>" ; echo "<script type='text/javascript'>displayResult2($price2,$init2);</script>"; $drinkname = "'SESS_DRINKNAME_" . $init2 . "'"; $drinkid = "'SESS_DRINKID_" . $init2."'"; $_SESSION[$drinkname] = $name2; $_SESSION[$drinkid] = $brId2; $init2 = $init2+1; } $_SESSION['SESS_INIT2'] = $init2; ?> <tr> <td></td> <td></td> <td>Total Cost</td> <td><input name='totalcost2' type='text' id='totalcost2' readonly='readonly' value='$0.00'></td> </tr> </table> <tr> <td><br></td> </tr> </table> <table border="2"> <tr><td>Total Order Cost:</td><td> <?php echo "<input name='ordertotal' type='text' id='ordertotal' readonly='readonly' value='\$0.00'></td></table>"; ?> <p align="left"><input type='submit' name='submit' value='Submit'/></p> </form> </div></td> </tr> </tbody> </table></td> </tr> </tbody> </table> </body> </html>

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  • Efficient alternatives to merge for larger data.frames R

    - by Etienne Low-Décarie
    I am looking for an efficient (both computer resource wise and learning/implementation wise) method to merge two larger (size1 million / 300 KB RData file) data frames. "merge" in base R and "join" in plyr appear to use up all my memory effectively crashing my system. Example load test data frame and try test.merged<-merge(test, test) or test.merged<-join(test, test, type="all") - The following post provides a list of merge and alternatives: How to join data frames in R (inner, outer, left, right)? The following allows object size inspection: https://heuristically.wordpress.com/2010/01/04/r-memory-usage-statistics-variable/ Data produced by anonym

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  • Select only the first rows for each unique value of a column in R

    - by dmvianna
    From a dataframe like this test <- data.frame('id'= rep(1:5,2), 'string'= LETTERS[1:10]) test <- test[order(test$id), ] rownames(test) <- 1:10 > test id string 1 1 A 2 1 F 3 2 B 4 2 G 5 3 C 6 3 H 7 4 D 8 4 I 9 5 E 10 5 J I want to create a new one with the first appearance of each id / string pair. If sqldf accepted R code within it, the query could look like this: res <- sqldf("select id, min(rownames(test)), string from test group by id, string") > res id string 1 1 A 3 2 B 5 3 C 7 4 D 9 5 E Is there a solution short of creating a new column like test$row <- rownames(test) and running the same sqldf query with min(row)?

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  • JavaFX, Google Maps, and NetBeans Platform

    - by Geertjan
    Thanks to a great new article by Rob Terpilowski, and other work and research he describes in that article, it's now trivial to introduce a map component to a NetBeans Platform application. Making use of the GMapsFX library, as described in Rob's article, which provides a JavaFX API for Google Maps, you can very quickly knock this application together. Click to enlarge the image. Here's all the code (from Rob's article): @TopComponent.Description( preferredID = "MapTopComponent", persistenceType = TopComponent.PERSISTENCE_ALWAYS ) @TopComponent.Registration(mode = "editor", openAtStartup = true) @ActionID(category = "Window", id = "org.map.MapTopComponent") @ActionReference(path = "Menu/Window" /*, position = 333 */) @TopComponent.OpenActionRegistration( displayName = "#CTL_MapWindowAction", preferredID = "MapTopComponent" ) @NbBundle.Messages({ "CTL_MapWindowAction=Map", "CTL_MapTopComponent=Map Window", "HINT_MapTopComponent=This is a Map window" }) public class MapWindow extends TopComponent implements MapComponentInitializedListener { protected GoogleMapView mapComponent; protected GoogleMap map; private static final double latitude = 52.3667; private static final double longitude = 4.9000; public MapWindow() { setName(Bundle.CTL_MapTopComponent()); setToolTipText(Bundle.HINT_MapTopComponent()); setLayout(new BorderLayout()); JFXPanel panel = new JFXPanel(); Platform.setImplicitExit(false); Platform.runLater(() -> { mapComponent = new GoogleMapView(); mapComponent.addMapInializedListener(this); BorderPane root = new BorderPane(mapComponent); Scene scene = new Scene(root); panel.setScene(scene); }); add(panel, BorderLayout.CENTER); } @Override public void mapInitialized() { //Once the map has been loaded by the Webview, initialize the map details. LatLong center = new LatLong(latitude, longitude); MapOptions options = new MapOptions(); options.center(center) .mapMarker(true) .zoom(9) .overviewMapControl(false) .panControl(false) .rotateControl(false) .scaleControl(false) .streetViewControl(false) .zoomControl(false) .mapType(MapTypeIdEnum.ROADMAP); map = mapComponent.createMap(options); //Add a couple of markers to the map. MarkerOptions markerOptions = new MarkerOptions(); LatLong markerLatLong = new LatLong(latitude, longitude); markerOptions.position(markerLatLong) .title("My new Marker") .animation(Animation.DROP) .visible(true); Marker myMarker = new Marker(markerOptions); MarkerOptions markerOptions2 = new MarkerOptions(); LatLong markerLatLong2 = new LatLong(latitude, longitude); markerOptions2.position(markerLatLong2) .title("My new Marker") .visible(true); Marker myMarker2 = new Marker(markerOptions2); map.addMarker(myMarker); map.addMarker(myMarker2); //Add an info window to the Map. InfoWindowOptions infoOptions = new InfoWindowOptions(); infoOptions.content("<h2>Center of the Universe</h2>") .position(center); InfoWindow window = new InfoWindow(infoOptions); window.open(map, myMarker); } } Awesome work Rob, will be useful for many developers out there.

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  • Uncaught Error: INDEX_SIZE_ERR

    - by Gart
    I am drawing on a canvas with the following line: ctx.drawImage(compositeImage, 0, 0, image.width, image.height, i, j, scaledCompositeImageWidth, scaledCompositeImageHeight); This code has executed error free on Safari, Chrome, Firefox (and even IE using google's excanvas library). However, a recent update to Chrome now throws the following error: Uncaught Error: INDEX_SIZE_ERR: DOM Exception 1 This code often positions part or all of the drawn image OFF the canvas, anyone got any idea what's going on here?

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  • IE6 "frame" layout with 100% height and scrollbars

    - by Joe
    I want to achieve a simple "frame" layout with fixed header, fixed left navigation area, and a main content area that fills 100% of the remainder of the viewport with scrollbars if necessary. My best attempt is below - but when I add enough content to the main div to force scrolling, I see that the scrollbar extends below the bottom of the viewport. What am I doing wrong? Or what is IE6 doing wrong and how can I fix it? NB please don't recommend using a more recent browser - I'd love to but can't. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <title></title> <style type="text/css"> html, body { height:100%; margin:0; padding:0; overflow:hidden; } div { border:0; margin:0; padding:0; } div#top { background-color:#dddddd; height:100px; } div#left { background-color:#dddddd; float:left; width:120px; height:100%; overflow:hidden; } div#main { height:100%; overflow:auto; } </style> </head> <body> <div id="top">Title</div> <div id="left">LeftNav</div> <div id="main"> Content <p> Lorem ipsum ... </p> ... repeated several times ... </div> </body> </html>

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