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• Vancouver .NET User Group

  - by pluginbaby

  While in Vancouver for my Silverlight training in early May, I will give a free Silverlight presentation at the local .NET User Group, .netBC. When: May 5, 2010, 6:30 PM Where: Building SW3 room 1750, BCIT Burnaby Campus, 3700 Willingdon Ave, Burnaby, BC, V5G 3H2 What: Silverlight 4 Business Applications “In this session a live demo will be built to show the new features of Silverlight 4 that helps you create business-oriented applications easier than ever. Importing/exporting data, printing, drag drop target, data visualization, context menu, WCF RIA Services and design-time enhancements in Visual Studio 2010.” Read all the details here: http://www.netbc.ca/DNCal/EventDetail.aspx?date=2010/05/05 See you there!   Thanks Telerik for helping this event to happen!   Technorati Tags: Silverlight,Silverlight Training

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• Adsense block not displaying anything

  - by Mild Fuzz

  I have copied and pasted the following code into my page, but it seems to be having no effect. It should have a fall back block colour, but nothing is showing. Code copied/pasted straight from google <script type="text/javascript"><!-- google_ad_client = "ca-pub-7972043490779920"; /* SALF */ google_ad_slot = "4085311300"; google_ad_width = 300; google_ad_height = 250; //--> </script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script>

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• Should I put an app I wrote on my résumé even if it has low ratings?

  - by charliehorse55

  Last summer I wrote an iPhone app for the Toronto Film Festival. The development was pretty rushed, and the design goals were changed multiple times. In particular, the central film list view controller was redesigned three times in the week before launch. I forgot to update one of my functions to match the changed design, and the app shipped with a serious bug. While the app was fairly popular, this bug crippled the app and it got a lot of poor reviews. I fixed the bug as soon as I got a crash report, but it got stuck in the iTunes review process for the duration of the film festival. Should I put this app on my résumé? The app has poor ratings and most of the reviews mention crashes, but it's also the only work experience I have. Additionally, how should I approach this topic in an interview? Here is the iTunes link for the app: https://itunes.apple.com/ca/app/official-tiff/id550151899?mt=8

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• Computer Networks UNISA - Chap 8 &ndash; Wireless Networking

  - by MarkPearl

  After reading this section you should be able to Explain how nodes exchange wireless signals Identify potential obstacles to successful transmission and their repercussions, such as interference and reflection Understand WLAN architecture Specify the characteristics of popular WLAN transmission methods including 802.11 a/b/g/n Install and configure wireless access points and their clients Describe wireless MAN and WAN technologies, including 802.16 and satellite communications The Wireless Spectrum All wireless signals are carried through the air by electromagnetic waves. The wireless spectrum is a continuum of the electromagnetic waves used for data and voice communication. The wireless spectrum falls between 9KHZ and 300 GHZ. Characteristics of Wireless Transmission Antennas Each type of wireless service requires an antenna specifically designed for that service. The service’s specification determine the antenna’s power output, frequency, and radiation pattern. A directional antenna issues wireless signals along a single direction. An omnidirectional antenna issues and receives wireless signals with equal strength and clarity in all directions The geographical area that an antenna or wireless system can reach is known as its range Signal Propagation LOS (line of sight) uses the least amount of energy and results in the reception of the clearest possible signal. When there is an obstacle in the way, the signal may… pass through the object or be obsrobed by the object or may be subject to reflection, diffraction or scattering. Reflection – waves encounter an object and bounces off it. Diffraction – signal splits into secondary waves when it encounters an obstruction Scattering – is the diffusion or the reflection in multiple different directions of a signal Signal Degradation Fading occurs as a signal hits various objects. Because of fading, the strength of the signal that reaches the receiver is lower than the transmitted signal strength. The further a signal moves from its source, the weaker it gets (this is called attenuation) Signals are also affected by noise – the electromagnetic interference) Interference can distort and weaken a wireless signal in the same way that noise distorts and weakens a wired signal. Frequency Ranges Older wireless devices used the 2.4 GHZ band to send and receive signals. This had 11 communication channels that are unlicensed. Newer wireless devices can also use the 5 GHZ band which has 24 unlicensed bands Narrowband, Broadband, and Spread Spectrum Signals Narrowband – a transmitter concentrates the signal energy at a single frequency or in a very small range of frequencies Broadband – uses a relatively wide band of the wireless spectrum and offers higher throughputs than narrowband technologies The use of multiple frequencies to transmit a signal is known as spread-spectrum technology. In other words a signal never stays continuously within one frequency range during its transmission. One specific implementation of spread spectrum is FHSS (frequency hoping spread spectrum). Another type is known as DSS (direct sequence spread spectrum) Fixed vs. Mobile Each type of wireless communication falls into one of two categories Fixed – the location of the transmitted and receiver do not move (results in energy saved because weaker signal strength is possible with directional antennas) Mobile – the location can change WLAN (Wireless LAN) Architecture There are two main types of arrangements Adhoc – data is sent directly between devices – good for small local devices Infrastructure mode – a wireless access point is placed centrally, that all devices connect with 802.11 WLANs The most popular wireless standards used on contemporary LANs are those developed by IEEE’s 802.11 committee. Over the years several distinct standards related to wireless networking have been released. Four of the best known standards are also referred to as Wi-Fi. They are…. 802.11b 802.11a 802.11g 802.11n These four standards share many characteristics. i.e. All 4 use half duplex signalling Follow the same access method Access Method 802.11 standards specify the use of CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) to access a shared medium. Using CSMA/CA before a station begins to send data on an 802.11 network, it checks for existing wireless transmissions. If the source node detects no transmission activity on the network, it waits a brief period of time and then sends its transmission. If the source does detect activity, it waits a brief period of time before checking again. The destination node receives the transmission and, after verifying its accuracy, issues an acknowledgement (ACT) packet to the source. If the source receives the ACK it assumes the transmission was successful, – if it does not receive an ACK it assumes the transmission failed and sends it again. Association Two types of scanning… Active – station transmits a special frame, known as a prove, on all available channels within its frequency range. When an access point finds the probe frame, it issues a probe response. Passive – wireless station listens on all channels within its frequency range for a special signal, known as a beacon frame, issued from an access point – the beacon frame contains information necessary to connect to the point. Re-association occurs when a mobile user moves out of one access point’s range and into the range of another. Frames Read page 378 – 381 about frames and specific 802.11 protocols Bluetooth Networks Sony Ericson originally invented the Bluetooth technology in the early 1990s. In 1998 other manufacturers joined Ericsson in the Special Interest Group (SIG) whose aim was to refine and standardize the technology. Bluetooth was designed to be used on small networks composed of personal communications devices. It has become popular wireless technology for communicating among cellular telephones, phone headsets, etc. Wireless WANs and Internet Access Refer to pages 396 – 402 of the textbook for details.

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• Ubuntu Server SHH backspace Bad Character

  - by Edwin Lunando

  so while while I'm using SSH to connect my server the backspace shows me bad character. The backspace is the one with question mark. The backspace itself works normally, but in the screen, it wasn't very neat to look stacking question mark. This is the example. The square-bracketed question mark means backspace. cat[?] output: ca: not found cat[?][?] output: c:not found cat[?][?][?] output: nothing, because it simple delete the 3 character. Please help. Thank you.

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• Google dévoile enfin Android 3.0 Honeycomb, dans lequel "tout est pensé pour les tablettes"

  Google dévoile enfin Android 3.0 Honeycomb, dans lequel "tout est pensé pour les tablettes" Depuis le temps qu'on en parlait, le voilà ! Google vient de présenter officiellement Honeycomb, la nouvelle mouture d'Android, lors d'un évènement spécial. Cette session était diffusée en streaming live sur le Web, ce qui nous a permis de la suivre en direct, dès son commencement à 19 heures (heure française). Android 3.0 est surtout attendu parce qu'il est adapté aux tablettes tactiles, son principe étant en effet de simplifier à l'extrême l'utilisation des appareils mobiles, en accédant à leurs différentes fonctions le plus facilement et directement possible. Et ça se sent dès l'écran d'accueil, qui...

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• Glume super amuzante

  - by haioase

  Un ardelean si un lepros stau in inchisoare. La un moment dat, leprosului ii cade o ureche... o ia si o arunca pe geam. Dupa un timp, leprosului ii cade nasul... il ia si il arunca pe geam. Dupa un timp, leprosului ii cade un deget... il ia si il arunca pe geam... Ardeleanul nu mai suporta: -No, dupa cum bag de sama, 'mneata vrei sa evadezi!– Nu va suparati, ce se da aici? - Nu stiu, domnule, stai sa întrebam. Întrebarea circula pâna la primul din rând. - Nu stiu. Mi s-a facut rau si m-am sprijinit de zid. Când mi-am revenit, era deja coada în spatele meu. - De ce nu pleci atunci? - Pai, acum ca sunt primu...

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• Join Companies in Web and Telecoms by Adopting MySQL Cluster

  - by Antoinette O'Sullivan

  Join Web and Telecom companies who have adopted MySQL Cluster to facilitate application in the following areas: Web: High volume OLTP eCommerce User profile management Session management and caching Content management On-line gaming Telecoms: Subscriber databases (HLR/HSS) Service deliver platforms VAS: VoIP, IPTV and VoD Mobile content delivery Mobile payments LTE access To come up to speed on MySQL Cluster, take the 3-day MySQL Cluster training course. Events already on the schedule include:  Location  Date  Delivery Language  Berlin, Germany  16 December 2013  German  Munich, Germany  2 December 2013  German  Budapest, Hungary  4 December 2013  Hungarian  Madrid, Spain  9 December 2013  Spanish  Jakarta Barat, Indonesia  27 January 2014  English  Singapore  20 December 2013  English  Bangkok, Thailand  28 January 2014  English  San Francisco, CA, United States  28 May 2014  English  New York, NY, United States  17 December 2013  English For more information about this course or to request an additional event, go to the MySQL Curriculum Page (http://education.oracle.com/mysql).

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• Alternative to Google Adsense which has good international coverage

  - by Yoga

  I have a technical blog (programming related) which has around 500 visit per days, 70% are international visitors and 30% are from US/CA. Google Adsense disabled my account due to invalid clicks so I can't use them (no need to explain here, they suck hard and never respect and listen to the publishers' appeal) I have tried adbrite and recently using chitika but they almost give me nothing, e.g. chitika 13,865 Page Views 4 clicks $0.01 The performance is so poor even I don't want to mention about it. I am already putting a full top banner and a 350x200 box in article body. I am researching if any alternative would provide more revenue for my internation visitors or technical visitors. Thanks.

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• A good course on HTML/CSS/JS/UX worth it in part time?

  - by zengr

  I am a java/ruby developer from the last 3yrs, trying my hands on JS now. I am fascinated by the awesome UI designs these days. Any app I make, the worst aspect is the UI and I suck at it. I end up copying a design and with a crappy one. I am a student in San Jose, CA, and will be working from next month on Java most probably. My questions are: Are there any good courses (in the the colleges in silicon valley) on web Design (Photoshop), html, css, JS? Is it worth it?

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• Google ne censure plus ses résultats en Chine, comment va réagir le gouvernement de Pékin ?

  Mise à jour du 22.03.2010 par Katleen Google ne censure plus ses résultats en Chine, comment va réagir le gouvernement de Pékin ? Ca y est, Google a franchi le pas. Comme nous vous l'annoncions vendredi, Google a officiellement pris position ce lundi. L'entreprise a cessé de censurer les résultats de ses recherches en Chine. Dès à présent, les internautes chinois qui se connectent sur Google.cn sont automatiquement redirigés vers Google.com.hk, le site de Hong Kong, comme l'a expliqué ce matin le directeur juridique David Drummond : «Aujourd'hui nous avons cessé de censurer nos services de recherches ?Google Search, Google News et Google Images sur Google.cn. Les internautes visitant Google.cn...

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• 14.04 default locales

  - by Seán Ó Séaghdha

  After a new install of 14.04 I have quite a few extra locales/languages. Is this normal? I installed using English (GB) I think since en_AU isn't an option. At some point apt offered a list of unused files which I removed. Now when I open Language Support it warns me that "Language support is not installed completely" and offers to reinstall this list... kde-l10n-zhcn thunderbird-locale-en-gb thunderbird-locale-es libreoffice-l10n-en-gb libreoffice-help-es libreoffice-help-en-gb wspanish thunderbird-locale-zh-cn myspell-es ibus-sunpinyin mythes-en-au kde-l10n-es libreoffice-l10n-zh-cn fonts-arphic-uming ibus-table-wubi thunderbird-locale-es-es thunderbird-locale-zh-hans libreoffice-l10n-en-za thunderbird-locale-es-ar hunspell-en-ca libreoffice-l10n-es libreoffice-help-zh-cn kde-l10n-engb fonts-arphic-ukai So are Spanish and Chinese installed by default in all installations now? Why do I need Canadian English spellchecking installed?

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• SSL Certificate

  - by outdoorcat

  I've received the email below from google about my wordpress site and have no idea how to follow the instructions. Any help out there? Dear Webmaster, The host name of your site, https://www.example.com/, does not match any of the "Subject Names" in your SSL certificate, which were: *.wordpress.com wordpress.com This will cause many web browsers to block users from accessing your site, or to display a security warning message when your site is accessed. To correct this problem, please get a new SSL certificate from a Certificate Authority (CA) with a "Subject Name" or "Subject Alternative DNS Names" that matches your host name. Thanks, The Google Web-Crawling Team

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• Hazlii cu politisti

  - by interesante

  Mor 6 politisti si se ancheteaza cazul:-Pai...Trei dintre ei erau cu barca pe lac si doi si-au aprins cate-o tigara.Unul si-a adus aminte ca a uitat sa stinga chibritul si a sarit in apa sa-l stinga si sa-necat.Al doilea uitase se-si stinga chistocul si a sarit si el si sa-necat.-Si al treilea?-Nu pornea barca si s-a dat jos s-o-mpinga si sa-necat.-Bine, dar ceilalti trei ?-Ei au murit la reconstituire.....Distreaza-te copios si cu jocuri flash de pe un site cu jocuri online.Doua sotii de politisti stau de vorba. Una zice:- Draga, sotul meu are post langa o florarie. Niciodata nu mi-a adus vreo floare...- Si ce? Al meu are post langa conservator. O conserva n-am vazut pana acum...

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• Winnipeg IE9/WP7 Boot Camp April 5th!

  - by D'Arcy Lussier

  Microsoft, along with local Winnipeg-based company Online Business Systems, are bringing you the IE9/WP7 Boot Camp event on April 5th! This is a *FREE* full day event with four sessions (2 on WP7, 2 on IE9) and will provide you with a great understanding of the technologies and how to leverage them! I’ll be presenting the WP7 sessions, and Lyle Bryant will be presenting the IE9 sessions. We’re holding this event at the Imax theatre, and will be providing breakfast and lunch! We’ll also have great prizes to give away. For more information and to register, visit the event registration page here: https://msevents.microsoft.com/CUI/EventDetail.aspx?EventID=1032480372&Culture=en-CA D

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• RIM se recentre sur les entreprises, mais n'abandonne pas le grand public, la sombre période continue pour BlackBerry

  RIM se recentre sur les entreprises mais n'abandonne pas le grand public, la sombre période continue pour le constructeur du BlackBerry Ça va de mal en pire pour RIM. Le constructeur canadien du BlackBerry a du mal à sortir de la période sombre qu'il traverse depuis plusieurs mois, et accumule des résultats de plus en plus mitigés. Le constructeur a révélé lors de la présentation de son résultat annuel que son chiffre d'affaires a reculé de 23% (soit une baisse de 5,6 milliards de dollars) au dernier trimestre fiscal par rapport à un an plus tôt. Au quatrième trimestre, le constructeur a réalisé une perte de 125 millions de dollars avec un chiffre d'affaires de 4,5 millia...

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• Xbox : la prochaine console sera baptisée Loop, plus petite et moins chère, elle sera sous Windows 9 avec un processeur ARM

  Xbox : la prochaine console sera baptisée Loop, Plus petite et moins chère, elle sera sous Windows 9 avec un processeur ARMe Ça devient presque une coutume pour certains produits de Microsoft dont la firme se garde de divulguer toute information officielle. Comme c'était le cas pour Windows 8, les rumeurs sur la prochaine console Xbox font à leur tour le « buz » sur la toile. Selon un article du site MSNerd, le successeur de la Xbox 360 pourrait être baptisé Xbox 720, et aura pour nom de code « Loop ». Plus petite et moins couteuse, cette console fonctionnera sous une version adaptée de Windows 9, avec un ...

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• Software bug/defect classification

  - by Dustin K

  We're trying to come up with terms that better describe our bugs/defects. To us, the term 'bug' or 'defect' is too generic and doesn't accurately reflect what is happening. For example, instead of saying that there is a bug (in the general sense), we'd rather say what type of bug (an error, or enhancement, or improvement, etc.). What names do you use for describing 'bugs'? We found http://www.softwaredevelopment.ca/bugs.shtml which has some pretty good classifications. How do you classify them?

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• Regex to String generation

  - by Mifmif

  Let's say that we have a regex and an index i , if we suppose that the set of string that match our regex are sorted in a lexicographical order, how could we get the i element of this list ? Edit : I added this simple example for more explanation : input : regex="[a-c]{1,2}"; index=4; in this case the ordered list of string that matches this regex contains those elements : a aa ab ac b ba bb bc c ca cb cc output : the 4th element which is ac ps: it's known that the string list that match the regex have infinite element, this doesn't have an impact on the proccess of extracting the element in the given index.

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• Le patron de Facebook s'excuse du "paquet d'erreurs" commises, tout en souhaitant poursuivre sa poli

  Mise à jour du 24.05.2010 par Katleen Le patron de Facebook s'excuse du "paquet d'erreurs" commises, tout en souhaitant poursuivre sa politique d'ouverture Le patron de Facebook Mark Zuckerberg s'est exprimé publiquement hier soir à propos de la politique de plus en plus controversée de son site. «Je sais que nous avons fait un paquet d'erreurs, mais mon espoir après tout ça c'est que notre service sera meilleur, et que les gens comprendront que nos intentions sont bien placées, et que nous réagissons aux réactions des gens pour qui nous travaillons.», a-t-il déclaré. Une réponse au mécontentement grandissant des internautes sentant leurs informations personnelles menacées et...

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• Le rachat de McAfee par Intel validé par la Commission européenne, sous réserve d'une garantie "d'interopérabilité des produits"

  Le rachat de McAfee par Intel validé par la Commission européenne, sous réserve d'une garantie de l'interopérabilité "des produits issus de cette concentration" Mise à jour du 28.01.2011 par Katleen Ca y est, la Commission européenne a finalement statué sur l'acquisition de McAfee par Intel, et a décide de l'autoriser, tout en y mettant des conditions. En effet, cette validation est « accordée sous réserve d'un ensemble d'engagements garantissant une concurrence équitable entre les parties et leurs concurrents dans le domaine de la sécurité informatique ». Intel a donc du s'engager a garantir que ses processeurs équipés des technologies de protection de McAfee seront compatib...

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• Call for Paper: Oracle OpenWorld 2011

  - by jean-pierre.dijcks

  OpenWorld 2011 is now open for the public to submit session proposals. We would like to encourage our customers, and partners to participate in this ‘call for papers” (CFP) process. CFP for the general public, non-Oracle employee submitters, closes on March 27, 2011. Here are the details: Conference Location: Moscone Convention Center, San Francisco, CA. Conference Date: Sunday - Thursday, October 2 - 6, 2011 Conference Website: http://www.oracle.com/us/openworld CFP Website: https://oracleus.wingateweb.com/portal/cfp/ Paper submission key dates: Deliverables Due Dates Call for Papers Begins Wednesday, March 9 Call for Papers Ends Sunday, March 27 – 11:59 pm PDT Notifications for Accepted and Declined Submissions Sent End of May Questions regarding the Call for Papers, send an email to [email protected]

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• Peut-on réaliser un bon design Web sans Web-designer ? Quelques pistes de réflexions pour tenter d'y arriver

  Le design des sites aujourd'hui est un point "critique". Et bien souvent les utilisateurs préfèreront un "beau" site à son concurrent moins "évolué" graphiquement. Malheureusement, il n'est pas toujours possible d'avoir à ses côtés un web designer. Dans ce cas, il faut se retrousser les manches et tenter de faire du mieux que l'on peut. Savoir créer un design attrayant ne s'apprend pas en quelques lignes. Cependant voici un petit guide pour débutant qui vous aidera dans la création de votre graphisme. Les contraintes sont nécessaires Même si ça peut sembler contre-intuitif, un bon design part toujours de contraintes bien établies. Si vous pensez que votre projet n'...

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• Sony tourne en dérision la Wii et le Projet Natal de Microsoft, qu'il qualifie de technologie pour "

  Mise à jour du 19/02/10 NB : Les commentaires sur cette mise à jour commencent ici dans le topic Sony tourne en dérision la Wii et le Projet Natal de Microsoft, qu'il qualifie de technologie pour "élèves d'école primaire" "Les vrais boxeurs ne se battent pas comme ça". Le personnage de la première pub pour la futur technologie de capture de mouvement de Sony n'y va pas par quatre chemin. La boxe avec la Wiimote ? la manette de la console de Nintendo ? c'est...

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• Where can I train my game AI skills? (any upgoing competition?) [on hold]

  - by user1671710

  There are 2 main options - building AI plugin for existing game or entering to some competition. Do you have some concrete tips? Is there any competition which will be soon open? From my research, competitions: http://aichallenge.org (last 2011) http://www.battlecode.org (January 2014) http://webdocs.cs.ualberta.ca/~cdavid/starcraftaicomp/index.shtml (August 2014) http://aibirds.org (maybe summer 2014) http://www.marioai.org (last 2012) http://www.ice.ci.ritsumei.ac.jp/~ftgaic/index.htm (last 2013) http://www.pacman-vs-ghosts.net (last 2012) http://ai-contest2013.gameloft.com/index/contest (last 2013) http://www.botprize.org/ (last 2012) And maybe more. These are from quick research. Obviously there were many competitions this year but it is difficult to catch it. Main question is: Do you have any information of any currently running AI competition?

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