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  • Référencement : Google ressuscite la balise « Meta Keywords » pour son service Google Actualités

    Référencement : Google ressuscite la balise « Meta Keywords » Pour son service Google Actualités Détrompez-vous, les balises META keyword ne sont pas complètement tombées dans les oubliettes. Google annonce sur le site officiel de Google News une nouvelle balise-meta appelée « news_keywords » qui permet à la fois aux rédacteurs de s'exprimer librement sur leurs articles et à Google Actualités de mieux cerner les thématiques de chaque article. [IMG]http://idelways.developpez.com/news/images/Google-news-logo.jpg[/IMG] La balise META news_keywords autorise aux éditeurs de spécifier une série de mots clés séparés par des virgules pour cha...

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  • Where should I start reading AngularJS's source code?

    - by Abaco
    After reading this article I realized that I really didn't read any "serious" source code during my 3-years as a professional developer. Recently I started a new web-project which makes heavy use of AngularJS, so I decided to start my reading - or, better, decoding [as the blogger wrote] - activity from something that is both challenging and professionally useful. Now I just need to be pointed in the right direction. Should I just start from the start of the source code or is there a better starting point?

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  • My blog not even ranking for exact title match [on hold]

    - by Akshay Hallur
    I have original in detail blog posts related to blogging and SEO. This domain has been dropped (expired) 2 times before my acquisition. I am the 3rd owner of the domain since 143 days. Blog posts are not ranking even for exact titles. Google+ or LinkedIn shares will show up instead of my content.Some blog posts are not even indexed. I am hardly getting around 7 organic visits / day. Example 1 : http://www.infoflame.com/offer-pdf-of-blog-posts-for-likes-and-shares/    Title: Offer Readers PDF of Blog Posts for Their Likes and Shares not indexed at all.  Example 2 : http://www.infoflame.com/anchor-text-for-seo/    is indexed but not coming up for the exact title. Suspect: Dropped domain, less likely used for spam( WayBack machine (2 drops) 3 captures since 2004, I don't know whether there was Email spam) (But no manual actions in WMT, so no reconsideration request). What's the reason for this? Should I wait? How can I tell Google that ownership is changed and the domain is now spam-free? or should I de-index it and start a new blog? Thank you, for any advises.

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  • Get aggregated view of data for entire website with Google Analytics

    - by crmpicco
    I have a website (www.ayrshireminis.com), which has three main sections under different directories, these are: /forum /galleries /contact I would like to have an aggregated view of the data for the whole website, but also for each section. What is the recommended approach for doing this? I believe I can create a web property that includes a profile for the entire website and duplicated filtered profiles, each section having an include filter. This is my gut instinct, but i'd like to know if there is another (better) way to do it? Maybe by having one account that includes a profile for the whole site and another profile with an include filter for the individual sections?

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  • How to Fix this specific Google "Fetch as Googlebot" error appearing on my Webmaster Tools?

    - by UXdesigner
    Good day, I'm currently finding out why I have lost all of my website's rank in google. I don't even appear in google results by the domain. But other sites do link me and they appear in the google results. I think it's all about leaving my site two months alone and finding out I had 20k in comment spam, which I completely deleted and fixed with filters and adding a new Disqus comment service. Thing is, I added my site to Google Webmaster Tools and I'm finding out several awful things. For example, when I click in Google Fetch As GoogleBot. I receive this error message below in response to my request. And I don't even know what's the real problem and how to fix it. I simply don't get it. This is what appears: Date: Wednesday, July 20, 2011 9:43:35 AM PDT Googlebot Type: Web Download Time (in milliseconds): 55 HTTP/1.1 403 Forbidden Date: Wed, 20 Jul 2011 16:43:36 GMT Server: Apache Vary: Accept-Encoding Content-Encoding: gzip Content-Length: 248 Keep-Alive: timeout=2, max=100 Connection: Keep-Alive Content-Type: text/html; charset=iso-8859-1 403 Forbidden Forbidden You don't have permission to access / on this server. Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request. Do you guys know anything about this problem ? I need to have Google crawl my site again. I used to have a really nice google result in the past three years. Now, there's nothing. thanks,

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  • Google Analytics Funnel Step Regular Expression Not Working

    - by scoarescoare
    The first step in a funnel is going to have a dynamic ending fragment. Examples: http://mysite.com/invite/tickle-party http://mysite.com/invite/pajama-party http://mysite.com/invite/puppy-party To allow for such dynamism, I provided this url for step one: \invite(.*) My goals work but the funnel visualization report shows 0 for everything. I know this problem is due to the regex in the funnel step because I copied this entire goal except I replaced \invite(.*) with /invite/puppy-party When I hardcoded /invite/puppy-party the funnel worked as expected. Why is my funnel report not working with my original funnel step url parameter?

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  • Google Analytics showing more unique visitors than there are pages on an intranet site

    - by DDEX
    I take care of a company intranet and measure the traffic with GA. I am absolutely sure that there are no more than 5000 URLs in our company and it is impossible to check the intranet from outside the company network. Yet when I check the number of Unique Visitors (UV) in the last year GA says there were 36.500 of them. How is that possible? I thought UV should measure each URL only once in the given time period. Could anybody explain how this actually works? Can it be that the cookie trackers expire after some time and are counted more then once?

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  • Google Goals process not working through similarly named pages

    - by David
    Well, I'm at a loss. I've ensured that my tracking script is in etc etc, and I've set up my goal and funnel path, but only the first step is ever being shown on the funnel. Goal URL: /checkout/checkoutComplete/ Type: Head Match ... but should this be /checkout/checkoutComplete/(.*) and set to regex rather because there are parameters after the main part of the URL (I thought that's what head match was for) Step 1: /checkout/ <-- required Step 2: /checkout/confirm/ both the above are valid and correct URLs for my domain. But for some reason, the funnel visualization shows entries into the first step, then an exits count that matches the entry count, including /checkout/confirm - but it doesn't go on to the next step! Perhaps I'm doing something obviously wrong...but I can't quite see it? Also, semi-related questions. Making a change to the funnel, does it only affect new incoming data? And how often does it update? Thanks in advance for your help.

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  • Webmarketing : Google étoffe encore son offre avec une nouvelle section des Google Labs, qui dévoile

    Google étoffe encore son offre de publicités Avec une nouvelle section des Google Labs qui dévoile ses prochaines innovations en matière de Webmarketing Google vient de lancer une fonctionnalité (l'option de "remarketing") dans son service de publicité (les fameux Google Ads). Ce n'est visiblement que la première amélioration d'une liste de nouveautés à venir. Google vient en effet d'ouvrir une nouvelle section dans son laboratoire d'innovations (les Google Labs). Ba...

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  • Google Storage for Developers, bientôt un nouveau service de stockage pour développeurs : Google veu

    Google va lancer Google Storage for Developers Un service de stockage en ligne dédié aux développeurs pour concurrencer Amazon L'annonce est pour l'instant officieuse mais elle devrait être officialisée lors des interventions du jour à la conférence Google I/O. Non content de proposer des solutions de stockage comme Google Code et Google Docs, Moutain View s'apprête à lancer une nouvelle offre baptisée Google Storage for Developers. Il s'agira d'un service très fortement inspiré d'Amazon S3 (Simple Storage Service), et visiblement destiné à le concurrencer frontalement. Pour mémoire, Amazon S3 est un espace de stockage payant en fonction de la quantit...

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  • Google Analytics - include filter not working

    - by gerl
    I just added an include filter this morning in my domain (test.org). I have: Custom Filter Include Request URI ^/test-a/46212$|^/test-a/46212|^/test-a/46315 Now after I go to Content Site Content All Pages, I see stats for other pages that I didn't include in my filter. For example I see /somethingelse. I only want to see stats for /test-a/46212 and whatever else in my filter. Please let me know what I'm doing wrong.

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  • Using backport-android-bluetooth on Android 1.6

    - by newth
    Hi, I'm trying to write an application using Bluetooth on Android 1.6. Since it's not officially supported, I found the backport of android.bluetooth API ( http://code.google.com/p/backport-android-bluetooth ). But when I deploy the sample chat application (modified for backport) LogCat gives me the error below: My question is, how I can use backport-android-bluetooth on 1.6 and is there any working samples? Thanks! 11-30 14:03:19.890: ERROR/AndroidRuntime(1927): Uncaught handler: thread main exiting due to uncaught exception 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): java.lang.ExceptionInInitializerError 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at backport.android.bluetooth.BluetoothSocket.<init>(BluetoothSocket.java:69) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at backport.android.bluetooth.BluetoothServerSocket.<init>(BluetoothServerSocket.java:16) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at backport.android.bluetooth.BluetoothAdapter.listenUsingRfcommWithServiceRecord(BluetoothAdapter.java:513) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at com.example.bluetooth.BluetoothChatService$AcceptThread.<init>(BluetoothChatService.java:237) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at com.example.bluetooth.BluetoothChatService.start(BluetoothChatService.java:109) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at com.example.bluetooth.BluetoothChat.onResume(BluetoothChat.java:138) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1225) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at android.app.Activity.performResume(Activity.java:3559) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2838) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2866) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2420) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at android.app.ActivityThread.access$2100(ActivityThread.java:116) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at android.os.Handler.dispatchMessage(Handler.java:99) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at android.os.Looper.loop(Looper.java:123) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at android.app.ActivityThread.main(ActivityThread.java:4203) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at java.lang.reflect.Method.invokeNative(Native Method) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at java.lang.reflect.Method.invoke(Method.java:521) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at dalvik.system.NativeStart.main(Native Method) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): Caused by: java.lang.UnsatisfiedLinkError: classInitNative 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at android.bluetooth.RfcommSocket.classInitNative(Native Method) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): at android.bluetooth.RfcommSocket.<clinit>(RfcommSocket.java:152) 11-30 14:03:19.906: ERROR/AndroidRuntime(1927): ... 21 more

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  • Distinguishing repetitive code with the same implementation

    - by KyelJmD
    Given this sample code import java.util.ArrayList; import blackjack.model.items.Card; public class BlackJackPlayer extends Player { private double bet; private Hand hand01 = new Hand(); private Hand hand02 = new Hand(); public void addCardToHand01(Card c) { hand01.addCard(c); } public void addCardToHand02(Card c) { hand02.addCard(c); } public void bustHand01() { hand01.setBust(true); } public void bustHand02() { hand02.setBust(true); } public void standHand01() { hand01.setStand(true); } public void standHand02() { hand02.setStand(true); } public boolean isHand01Bust() { return hand01.isBust(); } public boolean isHand02Bust() { return hand02.isBust(); } public boolean isHand01Standing() { return hand01.isStanding(); } public boolean isHand02Standing() { return hand02.isStanding(); } public int getHand01Score(){ return hand01.getCardScore(); } public int getHand02Score(){ return hand02.getCardScore(); } } Is this considered as a repetitive code? providing that each method is operating a seperate field but doing the same implementation ? Note that hand01 and hand02 should be distinct. if this is considered as repetitive code, how would I address this? providing that each hand is a seperate entity

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  • Problems with X11GraphicsDevice on Suse 11

    - by Daniel
    Hi, On servers running Suse 11 I'm experiencing hangups in sun.awt.X11GraphicsDevice.getDoubleBufferVisuals(Native Method) when connecting via Citrix (and setting DISPLAY to localhost:11.0). Running exactly the same code in exactly the same environment, excepth through Exceed (with DISPLAY set to my workstation's IP) it runs like clockwork. The error is not intermittent, it happens every time Reinstalling the OS does not help Can not reproduce it on Suse 10 This is what the main thread stack looks like: [junit] "main" prio=10 tid=0x0000000040112000 nid=0x6acc runnable [0x00002b9f909ae000] [junit] java.lang.Thread.State: RUNNABLE [junit] at sun.awt.X11GraphicsDevice.getDoubleBufferVisuals(Native Method) [junit] at sun.awt.X11GraphicsDevice.makeDefaultConfiguration(X11GraphicsDevice.java:208) [junit] at sun.awt.X11GraphicsDevice.getDefaultConfiguration(X11GraphicsDevice.java:182) [junit] - locked <0x00002b9fed6b8e70 (a java.lang.Object) [junit] at sun.awt.X11.XToolkit.(XToolkit.java:92) [junit] at java.lang.Class.forName0(Native Method) [junit] at java.lang.Class.forName(Class.java:169) [junit] at java.awt.Toolkit$2.run(Toolkit.java:834) [junit] at java.security.AccessController.doPrivileged(Native Method) [junit] at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:826) [junit] - locked <0x00002b9f94b8ada0 (a java.lang.Class for java.awt.Toolkit) [junit] at java.awt.Toolkit.getEventQueue(Toolkit.java:1676) [junit] at java.awt.EventQueue.invokeLater(EventQueue.java:954) [junit] at javax.swing.SwingUtilities.invokeLater(SwingUtilities.java:1264) ... Has anyone experienced something similar? Could this be a problem in Suse 11's display handling? I'm thankful for any input at this point - I'm fresh out of ideas :)

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  • Google I/O 2012 - What's New in the Google Drive SDK

    Google I/O 2012 - What's New in the Google Drive SDK Josh Hudgins, John Day-Richter In this talk, we will introduce a number of major new features and platforms to the Google Drive SDK. We will discuss what we feel is a revolution in the way developers write collaborative applications. We will also announce a new API to make managing files in Google Drive even easier for developers, replacing some legacy APIs in the process. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 556 6 ratings Time: 55:14 More in Science & Technology

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  • Google I/O 2012 - Monetizing Digital Goods with Google Wallet

    Google I/O 2012 - Monetizing Digital Goods with Google Wallet Joel Leitch, Dan Zink, Pali Bhat Whether you're a game developer selling virtual goods or currencies, or a media developer selling news content, videos, music or any other premium digital media, having an simple way to process payments from your customers is important. In this session, we will walk through an explanation of Google Wallet for digital goods, the new features, and the improved pricing model for developers. In addition, Kabam will share their experience with Google Wallet and best practices for integration. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 307 13 ratings Time: 44:31 More in Science & Technology

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  • Virtual Networks in Oracle Solaris - Part 5

    - by user12616590
               A         long         time      ago in a    blogosphere   far, far away... I wrote four blog entries to describe the new network virtualization features that were in Solaris 11 Express: Part 1 introduced the concept of network virtualization and listed the basic virtual network elements. Part 2 expanded on the concepts and discussed the resource management features. Part 3 demonstrated the creation of some of these virtual network elements. Part 4 demonstrated the network resource controls. I had planned a final entry that added virtual routers to the list of virtual network elements, but Jeff McMeekin wrote a paper that discuses the same features. That paper is available at OTN. And this Jeff can't write any better than that Jeff... All of the features described in those blog entries and that paper are also available in Solaris 11. It is possible that some details have changed, but the vast majority of the content is unchanged.

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  • Oracle Fusion Middleware 11gR1 ?FAQ??

    - by Hiroyuki Yoshino
    ??????FAQ????????????????? Oracle Technology Network (OTN)???????·??????·???????? Q. "Generic", "x86", "x86-64", ????????????????????????????????? A. ?????????????? Generic ????????·???????????????? 32????64???·??????????JDK/JVM????????? JDK/JVM???????????????????? x86 Supported System Configurations??????????????????????????????32???·???????????? x86-64 Supported System Configurations??????????????????????????????64???·???????????? ?????????? ("SPARC"??) Supported System Configurations????????????????????????????????????WebCenter for AIX?Portal, Forms, Reports and Discoverer for HP-UX PA-RISC???????? Q. SOA 11gR1 (11.1.1.1.0)??????????? 11gR1 (11.1.1.1.0)????????????????? A. ??????·????11gR1???????????????????????????????Oracle Support???????????????? Q. Oracle Fusion Middleware 11gR1???????????????????? A. Oracle Fusion Middleware 11gR1 ????????????????? Supported System Configurations?????????????? Q. Oracle Fusion Middleware 11gR1?????????????????????????????? A. Oracle Fusion Middleware?Oracle?????? Oracle Virtual Machine ????????????Oracle??????????????????????????????????????????????????? ???????? 

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  • Integrate Google Wave With Your Windows Workflow

    - by Matthew Guay
    Have you given Google Wave a try, only to find it difficult to keep up with?  Here’s how you can integrate Google Wave with your desktop and workflow with some free and simple apps. Google Wave is an online web app, and unlike many Google services, it’s not easily integrated with standard desktop applications.  Instead, you’ll have to keep it open in a browser tab, and since it is one of the most intensive HTML5 webapps available today, you may notice slowdowns in many popular browsers.  Plus, it can be hard to stay on top of your Wave conversations and collaborations by just switching back and forth between the website and whatever else you’re working on.  Here we’ll look at some tools that can help you integrate Google Wave with your workflow, and make it feel more native in Windows. Use Google Wave Directly in Windows What’s one of the best ways to make a web app feel like a native application?  By making it into a native application, of course!  Waver is a free Air powered app that can make the mobile version of Google Wave feel at home on your Windows, Mac, or Linux desktop.  We found it to be a quick and easy way to keep on top of our waves and collaborate with our friends. To get started with Waver, open their homepage on the Adobe Air Marketplace (link below) and click Download From Publisher. Waver is powered by Adobe Air, so if you don’t have Adobe Air installed, you’ll need to first download and install it. After clicking the link above, Adobe Air will open a prompt asking what you wish to do with the file.  Click Open, and then install as normal. Once the installation is finished, enter your Google Account info in the window.   After a few moments, you’ll see your Wave account in miniature, running directly in Waver.  Click a Wave to view it, or click New wave to start a new Wave message.  Unfortunately, in our tests the search box didn’t seem to work, but everything else worked fine. Google Wave works great in Waver, though all of the Wave features are not available since it is running the mobile version of Wave. You can still view content from plugins, including YouTube videos, directly in Waver.   Get Wave Notifications From Your Windows Taskbar Most popular email and Twitter clients give you notifications from your system tray when new messages come in.  And with Google Wave Notifier, you can now get the same alerts when you receive a new Wave message. Head over to the Google Wave Notifier site (link below), and click the download link to get started.  Make sure to download the latest Binary zip, as this one will contain the Windows program rather than the source code. Unzip the folder, and then run GoogleWaveNotifier.exe. On first run, you can enter your Google Account information.  Notice that this is not a standard account login window; you’ll need to enter your email address in the Username field, and then your password below it. You can also change other settings from this dialog, including update frequency and whether or not to run at startup.  Click the value, and then select the setting you want from the dropdown menu. Now, you’ll have a new Wave icon in your system tray.  When it detects new Waves or unread updates, it will display a popup notification with details about the unread Waves.  Additionally, the icon will change to show the number of unread Waves.  Click the popup to open Wave in your browser.  Or, if you have Waver installed, simply open the Waver window to view your latest Waves. If you ever need to change settings again in the future, right-click the icon and select Settings, and then edit as above. Get Wave Notifications in Your Email  Most of us have Outlook or Gmail open all day, and seldom leave the house without a Smartphone with push email.  And thanks to a new Wave feature, you can still keep up with your Waves without having to change your workflow. To activate email notifications from Google Wave, login to your Wave account, click the arrow beside your Inbox, and select Notifications. Select how quickly you want to receive notifications, and choose which email address you wish to receive the notifications.  Click Save when you’re finished. Now you’ll receive an email with information about new and updated Waves in your account.  If there were only small changes, you may get enough info directly in the email; otherwise, you can click the link and open that Wave in your browser. Conclusion Google Wave has great potential as a collaboration and communications platform, but by default it can be hard to keep up with what’s going on in your Waves.  These apps for Windows help you integrate Wave with your workflow, and can keep you from constantly logging in and checking for new Waves.  And since Google Wave registration is now open for everyone, it’s a great time to give it a try and see how it works for yourself. Links Signup for Google Wave (Google Account required) Download Waver from the Adobe Air Marketplace Download Google Wave Notifier Similar Articles Productive Geek Tips We Have 20 Google Wave Invites. Want One?Tired of Waiting for Google Wave? Try ShareFlow NowIntegrate Google Docs with Outlook the Easy WayAwesome Desktop Wallpapers: The Windows 7 EditionWeek in Geek: The Stupid Geek Tricks to Hide Extra Windows Edition TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips HippoRemote Pro 2.2 Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Default Programs Editor – One great tool for Setting Defaults Convert BMP, TIFF, PCX to Vector files with RasterVect Free Identify Fonts using WhatFontis.com Windows 7’s WordPad is Actually Good Greate Image Viewing and Management with Zoner Photo Studio Free Windows Media Player Plus! – Cool WMP Enhancer

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  • Webscraping Google tasks via Google Calendar

    - by ideotop
    As gmail and the task api is not available everywhere (eg: some companies block gmail but not calendar), is there a way to scrap google task through the calendar web interface ? The solution can be to use jQuery/Jaxer or a pointer to a browser script/plugin.

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  • Summer Activity or Internship in Europe [2010] [closed]

    - by mrlinx
    I'm a graduate student looking for week(s) long activity in the summer. Because the summer isn't very long for students in my college, I'm not looking for a 3 month full-time internship, but some kind of activity where I can experience subjects related to computer science, entrepreneurship and team management. Do you know any? Recommend a better place to look for this?

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  • Is it normal needing time to understand code i wrote recently

    - by user1478167
    By recently i mean some weeks ago. I am trying to continue a project i left 2 weeks ago and i need time to understand some functions i wrote(not copied from somewhere) and it takes me time. Normally i don't need to because my functions,methods etc are black boxes but when i need to change something it's really hard. Does this mean i write bad code? I am still in school and i am the only who writes/uses the code so i don't have feedback, but i am afraid that if it is difficult for me to understand it, it would be 10 times more difficult for someone else. What should i do? I write a lot of comments but most of the time are useless when reviewing. Do you have any suggestions?

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  • Adding complexity to remove duplicate code

    - by Phil
    I have several classes that all inherit from a generic base class. The base class contains a collection of several objects of type T. Each child class needs to be able to calculate interpolated values from the collection of objects, but since the child classes use different types, the calculation varies a tiny bit from class to class. So far I have copy/pasted my code from class to class and made minor modifications to each. But now I am trying to remove the duplicated code and replace it with one generic interpolation method in my base class. However that is proving to be very difficult, and all the solutions I have thought of seem way too complex. I am starting to think the DRY principle does not apply as much in this kind of situation, but that sounds like blasphemy. How much complexity is too much when trying to remove code duplication? EDIT: The best solution I can come up with goes something like this: Base Class: protected T GetInterpolated(int frame) { var index = SortedFrames.BinarySearch(frame); if (index >= 0) return Data[index]; index = ~index; if (index == 0) return Data[index]; if (index >= Data.Count) return Data[Data.Count - 1]; return GetInterpolatedItem(frame, Data[index - 1], Data[index]); } protected abstract T GetInterpolatedItem(int frame, T lower, T upper); Child class A: public IGpsCoordinate GetInterpolatedCoord(int frame) { ReadData(); return GetInterpolated(frame); } protected override IGpsCoordinate GetInterpolatedItem(int frame, IGpsCoordinate lower, IGpsCoordinate upper) { double ratio = GetInterpolationRatio(frame, lower.Frame, upper.Frame); var x = GetInterpolatedValue(lower.X, upper.X, ratio); var y = GetInterpolatedValue(lower.Y, upper.Y, ratio); var z = GetInterpolatedValue(lower.Z, upper.Z, ratio); return new GpsCoordinate(frame, x, y, z); } Child class B: public double GetMph(int frame) { ReadData(); return GetInterpolated(frame).MilesPerHour; } protected override ISpeed GetInterpolatedItem(int frame, ISpeed lower, ISpeed upper) { var ratio = GetInterpolationRatio(frame, lower.Frame, upper.Frame); var mph = GetInterpolatedValue(lower.MilesPerHour, upper.MilesPerHour, ratio); return new Speed(frame, mph); }

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  • Unable to PPTP through NAT on Cisco 881

    - by MasterRoot24
    I'm trying to connect to a PPTP server which is sat behind a Cisco 881 NAT router. The server is running Ubuntu Server 12.04 and is running Poptop pptpd as the PPTP daemon listening for connections. As discussed in my other question, I'm trying to setup a Cisco 881 router to replace my old Linksys WAG320N. This same server and WAN connection worked fine with the WAG320N with no special configuration, other than allowing 1723 in through the firewall. On the Cisco 881, I'm using the newer ip nat enable or NAT NVI to setup static routes in through the firewall for the services running behind the router. My reason being that I can't run another copy of my live DNS domains internally with local IP addresses in. For the purposes of this question, though, I have rebuilt the router with ip nat inside/outside style NAT'ing, but this issue is still apparent. HTTP/SMTP/IMAP etc. all work ok from both the WAN and LAN interfaces of the router. I'm only having issues with SIP (see other question) and PPTP. My issue is that the GRE doesn't appear to be passing through NAT correctly and one end of the connection is not receiving GRE traffic when it should be, so the server hangs up the connection. Here's an example of /var/log/syslog with debug enabled in /etc/pptpd.conf: Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: MGR: Launching /usr/sbin/pptpctrl to handle client Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: local address = 192.168.1.50 Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: remote address = 192.168.1.51 Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: pppd options file = /etc/ppp/pptpd-options Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: Client 82.132.248.216 control connection started Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: Received PPTP Control Message (type: 1) Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: Made a START CTRL CONN RPLY packet Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: I wrote 156 bytes to the client. Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: Sent packet to client Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: Received PPTP Control Message (type: 7) Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: Set parameters to 100000000 maxbps, 64 window size Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: Made a OUT CALL RPLY packet Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: Starting call (launching pppd, opening GRE) Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: pty_fd = 6 Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: tty_fd = 7 Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: I wrote 32 bytes to the client. Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: CTRL: Sent packet to client Dec 11 21:06:30 <HOSTNAME> pptpd[22627]: CTRL (PPPD Launcher): program binary = /usr/sbin/pppd Dec 11 21:06:30 <HOSTNAME> pptpd[22627]: CTRL (PPPD Launcher): local address = 192.168.1.50 Dec 11 21:06:30 <HOSTNAME> pptpd[22627]: CTRL (PPPD Launcher): remote address = 192.168.1.51 Dec 11 21:06:30 <HOSTNAME> pppd[22627]: Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded. Dec 11 21:06:30 <HOSTNAME> pppd[22627]: pppd 2.4.5 started by root, uid 0 Dec 11 21:06:30 <HOSTNAME> pppd[22627]: Using interface ppp0 Dec 11 21:06:30 <HOSTNAME> pppd[22627]: Connect: ppp0 <--> /dev/pts/3 Dec 11 21:06:30 <HOSTNAME> pptpd[22626]: GRE: Bad checksum from pppd. Dec 11 21:06:31 <HOSTNAME> pptpd[22626]: CTRL: Received PPTP Control Message (type: 15) Dec 11 21:06:31 <HOSTNAME> pptpd[22626]: CTRL: Got a SET LINK INFO packet with standard ACCMs Dec 11 21:07:00 <HOSTNAME> pppd[22627]: LCP: timeout sending Config-Requests Dec 11 21:07:00 <HOSTNAME> pppd[22627]: Connection terminated. Dec 11 21:07:00 <HOSTNAME> avahi-daemon[1042]: Withdrawing workstation service for ppp0. Dec 11 21:07:00 <HOSTNAME> pppd[22627]: Modem hangup Dec 11 21:07:00 <HOSTNAME> pppd[22627]: Exit. Dec 11 21:07:00 <HOSTNAME> pptpd[22626]: GRE: read(fd=6,buffer=6075a0,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs Dec 11 21:07:00 <HOSTNAME> pptpd[22626]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7) Dec 11 21:07:00 <HOSTNAME> pptpd[22626]: CTRL: Reaping child PPP[22627] Dec 11 21:07:00 <HOSTNAME> pptpd[22626]: CTRL: Client 82.132.248.216 control connection finished Dec 11 21:07:00 <HOSTNAME> pptpd[22626]: CTRL: Exiting now Dec 11 21:07:00 <HOSTNAME> pptpd[5803]: MGR: Reaped child 22626 As far as Cisco are concerned, all I need is ip nat source static tcp <SERVER LAN IP> 1723 interface FastEthernet4 1723 but of course this doesn't seem to the be helping the GRE traffic through as it should. Trying the connection to the LAN IP of the server from the same LAN as the server (behind the router), the PPTP connection works fine, so I'm confident that the server's config is ok. Furthermore, all I needed on my WAG320N was to open 1723 in the firewall. Here's my current router config: ! ! Last configuration change at 20:20:15 UTC Tue Dec 11 2012 by xxx version 15.2 no service pad service timestamps debug datetime msec service timestamps log datetime msec service password-encryption ! hostname xxx ! boot-start-marker boot-end-marker ! ! enable secret 4 xxxx ! aaa new-model ! ! aaa authentication login local_auth local ! ! ! ! ! aaa session-id common ! memory-size iomem 10 ! crypto pki trustpoint TP-self-signed-xxx enrollment selfsigned subject-name cn=IOS-Self-Signed-Certificate-xxx revocation-check none rsakeypair TP-self-signed-xxx ! ! crypto pki certificate chain TP-self-signed-xxx certificate self-signed 01 xxx quit ip gratuitous-arps ip auth-proxy max-login-attempts 5 ip admission max-login-attempts 5 ! ! ! ! ! ip domain list dmz.xxx.local ip domain list xxx.local ip domain name dmz.xxx.local ip name-server 192.168.1.x ip cef login block-for 3 attempts 3 within 3 no ipv6 cef ! ! multilink bundle-name authenticated license udi pid CISCO881-SEC-K9 sn xxx ! ! username admin privilege 15 secret 4 xxx username joe secret 4 xxx ! ! ! ! ! ip ssh time-out 60 ! ! ! ! ! ! ! ! ! interface FastEthernet0 no ip address ! interface FastEthernet1 no ip address ! interface FastEthernet2 no ip address ! interface FastEthernet3 switchport access vlan 2 no ip address ! interface FastEthernet4 ip address dhcp ip nat enable duplex auto speed auto ! interface Vlan1 ip address 192.168.1.x 255.255.255.0 no ip redirects no ip unreachables no ip proxy-arp ip nat enable ! interface Vlan2 ip address 192.168.0.x 255.255.255.0 ! ip forward-protocol nd ip http server ip http access-class 1 ip http authentication local ip http secure-server ! ! ip nat source list 1 interface FastEthernet4 overload ip nat source list 2 interface FastEthernet4 overload ip nat source static tcp 192.168.1.x 1723 interface FastEthernet4 1723 ! ! access-list 1 permit 192.168.0.0 0.0.0.255 access-list 2 permit 192.168.1.0 0.0.0.255 ! ! ! ! control-plane ! ! banner motd Authorized Access only ! line con 0 exec-timeout 15 0 login authentication local_auth line aux 0 exec-timeout 15 0 login authentication local_auth line vty 0 4 access-class 2 in login authentication local_auth length 0 transport input all ! ! end UPDATE 16/12/2012: The only progress that I have been able to make on this issue is that I'm confident that the issue is caused by the GRE tunnels (which are required for the PPTP connection to complete) are being blocked. When attempting a connection, I can see in show ip nat nvi translations that both a TCP translation on 1723 is setup and also a GRE translation is setup also. I appear to be able to see GRE related packets on the LAN that the server is on, so I am lead to believe that the server is sending(?) GRE packets, however running Wireshark on a client PC when attempting a connection shows absolutely no GRE packets. Whilst there are no configuration directives in my config posted above (that I can pin point) which would specifically block them, it would appear that the GRE packets are not being allowed in/out of the router's firewall, even though a NAT translation entry is setup to the server's LAN address. Would anyone be able to provide me with some help to ensure that GRE packets are not blocked by the router's firewall, so that this can be ruled out as a possible issue please?

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  • Visual Studio code metrics misreporting lines of code

    - by Ian Newson
    The code metrics analyser in Visual Studio, as well as the code metrics power tool, report the number of lines of code in the TestMethod method of the following code as 8. At the most, I would expect it to report lines of code as 3. [TestClass] public class UnitTest1 { private void Test(out string str) { str = null; } [TestMethod] public void TestMethod() { var mock = new Mock<UnitTest1>(); string str; mock.Verify(m => m.Test(out str)); } } Can anyone explain why this is the case? Further info After a little more digging I've found that removing the out parameter from the Test method and updating the test code causes LOC to be reported as 2, which I believe is correct. The addition of out causes the jump, so it's not because of braces or attributes. Decompiling the DLL with dotPeek reveals a fair amount of additional code generated because of the out parameter which could be considered 8 LOC, but removing the parameter and decompiling also reveals generated code, which could be considered 5 LOC, so it's not simply a matter of VS counting compiler generated code (which I don't believe it should do anyway).

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