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• How to calculate shot angle and velocity to hit a moving target?

  - by Guen

  I am developing a 2D Android game and I am making an aiming algorithm for AI projectiles to hit enemies either following a path, or free moving. At the moment it just calculates where the target will be after a distance and fires a projectile to meet it at that distance. Of course this means varying the projectile speed to meet the target. Does anyone have any tips for a simple-ish algorithm (optimal-ish) to calculate when the projectile needs to fire and where it needs to aim if it can only travel at a constant velocity? Say the projectile goes twice the speed of the target? The only way I can think of involves searching and seems quite large.

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• 802.11ac : le nouveau standard permet d'atteindre des débits de 1,3 Gbps, les premiers équipements certifiés Wi-Fi alliance font leur apparition

  Plus rapide, le nouveau standard sans fil 802.11ac permet d'atteindre des débits de transfert de 1,3 Gbps les premiers équipements certifiés Wi-Fi alliance font leur apparitionAussi connu sous le nom de Wi-Fi 5G, la norme sans fil 802.11ac succède à la norme 802.11n, à laquelle elle ajoute de nombreuses améliorations, notamment au niveau du débit de transfert de données. Son débit théorique maximal est de l'ordre de 1,3 Gbps, soit de quoi transférer un film HD à une tablette dans un espace de temps inférieur à 4 minutes. Ce débit, la norme le doit à trois éléments essentiels, à savoir : l'utilisation de la méthode de modulation QAM (Quadrature Amplitude Modulation), une large panel de canaux de communicat...

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• fault tolerant uploading tool

  - by andersonbd1

  I'm setting up a wordpress site for a friend who has some somewhat large audio files (150M)... He's on a bad connection and I'd guess it'll take him a while to upload those files with the normal wordpress way. I'm looking for a tool that I can install on the server that allows uploads and is also fault tolerant... for example if you loses his connection, or power, or whatever it'll pick up where it left off. I realize web technologies probably don't do that, but perhaps flash or something? Any ideas?

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• Part-time Programming Job London

  - by Bluechip Solutions

  I am a student at Middlesex Universtity, London studying Information Technology. I really love software development and I have taught myself how to write HTML + CSS, JavaScript (I use jQuery and AngularJS) and Java (I learnt this in school). I have developed few apps (a desktop app in Java and a mobile app with AngularJS and PhoneGap) I am looking at applying for a part-time programming job to develop myself. Are there part time jobs available for someone like me and are my skill set enough to get me a job? I understand this topic may not be ideal here but this is the only place I know can provide me answers. Thank you!

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• How to deal with a ten days debugging session? [on hold]

  - by smonff

  Ten days ago, I fixed a bug on a large application and the hot fix has created a disappearing of some data from the user point of view. Data are not deleted, but have been set to hidden status. It could be possible to get the data back, but the thing seems to be hard: I've already spent 10 days to understand and reproduce the problem (mostly with complex SQL queries but sometimes it is necessary to update the database to test the application logic). Is 10 days a normal amount of time for these kind of problems? Should we keep on and retrieve the data or should we tell these users sorry for the loss, but your data have disappeared? Any advice on when to stop searching how to solve the issue?

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• Implementation ideas to store multiple files within a single file for faster access?

  - by eminemence

  My requirement is to store a large number of files within a single file.The files stored could be anything like images, videos or simple text files as well. I want some ideas to implement the same. I am thinking of implementing a file system within a file, but am not sure if its a good idea. The main area of concern here is the access time. Also I want to provide encryption for this single file. Any suggestions are welcome.

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• Why most use Cygwin and not Uwin?

  - by user287424

  Most academic researchers I know target just *nix, and rely on Cygwin to make their applications available on Windows. I have tried many of these projects and always found them too unstable for serious use when running on Cygwin. Uwin looks like a promising alternative to Cygwin. I haven't tried it yet, but I found several comments that it is faster and more stable. However, I haven't seen any use of Uwin to support running *nix apps on Windows. What are the social and/or technical reasons behind Uwin's lack of popularity?

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• I need to get past my permissions to recover data

  - by adsmz

  Due to some mishaps, I am unable to boot into Kubuntu at all. However, my data is still on the hard drive. I managed to get one of the other two computers to which I have access to read the disk by booting into a liveCD session of kubuntu. The only storage medium to which I have access is a 30 GB data stick. Here's where the trouble starts: In music alone, I have to back up about 60 GB. Obviously this is going to have to be split into chunks and moved over to the second spare PC until I can reinstall Kubuntu on my laptop. All of the data that needs backed up is behind a permissions wall, so while I can view it, I can't interact with it directly. I know copying and moving through the terminal can get around this with sudo cp or sudo mv, but is there a way to first compress multiple folders in a single archive, then move it? (While we're on the subject, what compression method would be best for large volumes of music in MP3, WAV, and OGG format?)

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• How does having assets saved on a secondary domain(s) reduce the load time of the website?

  - by AAA

  I went for an interview yesterday where I was asked this question: "How does having assets (images/videos) stored on a secondary domain (assets.example.com) reduce the load time of example.com?" To that I answered that by having the code "call" those assets from a secondary website it reduces the traffic that is coming to the main domain and therefore only applying bandwidth to the main domain vs having to also serve bandwidth to request assets. Is that correct? Also, If i am correct, would you say it makes sense to start new websites with this in mind or do you prefer having it done after large traffic rates are achieved?

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• Android best source codes [on hold]

  - by lynndragon

  1) I would like to know best and simple android source code sites or forum for game development.. Especially, animation, graphics are needed.. 2) By the way, I'm now learning Adobe Air for Android ... Is it useful? I mean Adobe Air do not need to know programming knowledge..but it's simple.. Weakness of Adobe Air apps are that AdobeAir.apk must be installed...If not, they cannot run.. So,how is yours suggestions? Please answer me....Regards

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• Tuning Distributed Applications to Access Big Data

  Distributed applications are just that: distributed across one or more hardware platforms across the enterprise. The database administrator (DBA) has the unenviable task of monitoring these environments and configuring and tuning the database server to meet multiple needs. As multiple distributed applications now require access to a very large data store, what tuning options are available to help? Get your SQL Server database under version control now!Version control is standard for applications, but databases haven’t caught up. So how can you bring database development up to speed? Why should you start? Find out…

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• Evolving Architectures &ndash; Part II but Design is emergent

  This is part II of a series on agile architecture. You can read part I here. In the previous installment I provided a definition for software architecture and raised the apparent friction between the up front design implied by software architecture and the YAGNI approach and deferred requirements prompted by agile development in the large. This installment take a look at an additional angle of the problem which is the difference between design and architecture (while...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Need some help fixing fonts (11.04 Alpha 3)

  - by Spacecraft

  Hi I changed my Application Font and Window Font to something much better looking but it has a few problems. The font is Umpush Light. It's doing this in the software center: http://img851.imageshack.us/img851/8307/workspace1004.png If I increase the font size from 11 to 12, that problem goes away, but then everything is too large. When I increase it this also happens: http://img819.imageshack.us/img819/6231/workspace1006e.png It starts moving the text in the search box up, and the "All Applications" drop down gets messed up too. It seems like there is too much padding around the font or something. Anyone have any ideas on how I can fix this?

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• log in to web-app through less secure website [on hold]

  - by martijnve

  We are worried about the security of our website containing the login-button to our saas-application. Security measures put in place for our application won't do us much good if the website is hacked. The login button could be redirected to some malicious copy of our app. The product website is maintained by people outside the dev team. Those people are not too knowledgable concerning security. We (dev-team) could mantain the website ourselves but that would be a large burden on our small team. How is this usually handled?

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• How many hours do you spend programming outside of work if you are married (with children) [closed]

  - by eterps

  I recently attended a conference and met some insanely talented developers with mile-long lists of accomplishments. One puzzling thing I noticed about many of these wildly successful people is that a lot of their output (books, blogs, games, mobile apps) are done as hobby projects outside of their normal jobs. Not only this, but most of them were married, and some even with children. I'm absolutely baffled by this. My question is targeted to folks that are married, working full time, and also spend time outside of work on hobby projects or extra programming. The question is: How many hours do you put in programming outside of your normal job, and how do you balance it with your family life?

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• ???Oracle EBS R12.1.1 Upgrade ?R12.1.2 ??

  - by longchun.zhu

  ??????EBS R12.1.1 ???,????,???????????,???????,?????????, ??????????,????,???? 2 ???,?????,???SR ,?????BUG??? ??: - Oracle Linux 5.2 (x86_64bit) - Oracle EBS R12.1.1 (x86_64bit) upgrade R12.1.2 - DB:11.1.0.7 ??????: ??: - ?Oracle AS 10g ??? - ?Oracle AS 10G for Forms and reports ??? - ???DBA UP2 ???8502056 - ?7303033 US ?? ### ??????,?????. - ?8937577 US ?? - ?7303033 CHS ?? - ?8937577 CHS ?? - ????APPS DBA ???????,autocfg ??appsutil.zip ?? ?????,?????HRMS ???,?????????? ?????1: 2?FORM ????? 2. ????66??????

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• ?Oracle Database ?7??????????????

  - by OTN-J Master

  Oracle Database??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????!!(???????????????????????????????)????????????????????????????????????????OTN?????????????????????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????!???????????????(?????????????????) ???7????????????????? ?????????????? ???????? ?28??????LOB????????? ?????????????????????????????????????????????????????????????????????????????????????????13?????????????LOB(Large OBject)???????????????????????????????????????????????????????????????????????????????????????????????????? >> ????? ?????????????!DBA??? ???????? ?19? ????????·????????????????????????????MAA????????????????????????????Oracle???????????????????????Oracle Maximum Availability Architecture??????????????????????MAA??Oracle??????????????????????????????????????????MAA??????????????????????????????????????>> ????? OTN?????????????????????? ?????????????????????????????????

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• Heavily customized split view controller in iPad app -- how?

  - by Macatomy

  I was going through some of the early screenshots of the first iPad apps and I came upon this: I'm just wondering, how is this done? Mainly, how has the detail view section of the split view been given a drop shadow and rounded corners, and for lack of better phrasing, how has it been "separated" from the master view (the default split view template has the master and detail view joined together with nothing but a vertical line separating the two)?

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• SlickGrid and asp.net sample or tutorial

  - by user322862

  Hi, I am a newbie using SlickGrid. I have searched some of the sample apps out there but I am still stumped. If anyone can refer a sample or tutorial on SlickGrid using Asp.Net doing the following: Get data via JSON Implement paging, sorting, searching Pass the selected rows key to code behind for processing or call a codebehind function passing the selected rows key. Any help would be appreciated. TIA, TE:-D

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• User-Agent parsing using c#

  - by Maxim

  Hello, I have a large list of User-agent strings. For the analytic panel i need to parse them and split to: Browser name, version Platform name, version If there is a ready solution or code to do this? Like there: http://useragentstring.com/

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• Image classification using openCV and weka

  - by simk

  Hi i want to do image classification, so i am planning to use openCV for the preprocessing of image and weka to check which ML algorithm gives best result, so the problem i am facing is converting the image data in to weka ARFF file format, when i apply some image transformation to image and write the image data it become so large and not sure how to define @ATTRIBUTE for that. If you have done similar thing before please suggest how can i solve this and it particularly doesn't have to be openCV i can use other tools also, please suggest.

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• How to disable UIWebview horizontal scrolling?

  - by akaii

  I've tried disabling it by inserting: into my HTML string, and a dozen variations of the above in the vain hope that I just screwed up the tag syntax... but nothing seems to stop UIWebView from scrolling horizontally. And yet there are apps that manage to do this (like MobileRSS), and presumably, since they haven't gotten rejected, they're not using private APIs.

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• How to show / hide section rows in uitableview with animation ?

  - by hib

  Hello all , I have seen some iPhone apps in which they show first section of rows after loading Other sections of rows will not be visible until you tap them . If you want to see more data you have to tap on that particular section so it will collapse and show rows of data . Any one knows how can I do so ? Thanks .

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• facebook application using iframe on Facebook Developer Toolkit 3.0

  - by adveb

  hey i am trying to build facebook iframe application using the Facebook Developer Toolkit 3.01 asp.net c#. i am working by the ifrmae sample of the toolkit can be download here. www.facebooktoolkit.codeplex.com/releases/view/39727 this is my facebook application that is the same as the iframe sample. http://apps.facebook.com/alefbet/ this is my code, it has 2 pages, master page and default. this 2 pages are the same as the iframe sample. 1) this is the master page. public partial class IFrameMaster : Facebook.Web.CanvasIFrameMasterPage { public IFrameMaster() { RequireLogin = true; } } 2) this is the default.aspx public partial class Default : System.Web.UI.Page { private const string SCRIPT_BLOCK_NAME = "dynamicScript"; protected void Page_Load(object sender, EventArgs e) { if (IsPostBack) { if (Master.Api.Users.HasAppPermission(Enums.ExtendedPermissions.email)) { SendThankYouEmail(); } Response.Redirect("ThankYou.aspx"); } else { if (Master.Api.Users.HasAppPermission(Enums.ExtendedPermissions.email)) { emailPermissionPanel.Visible = false; } CreateScript(); } } private void SendThankYouEmail() { var subject = "Thank you for telling us your favorite color"; var body = "Thank you for telling us what your favorite color is. We hope you have enjoyed using this application. Encourage your friends to tell us their favorite color as well!"; this.Master.Api.Notifications.SendEmail(this.Master.Api.Session.UserId.ToString(), subject, body, string.Empty); } private void CreateScript() { var saveColorScript = @" function saveColor(color) { document.getElementById('" + colorInput.ClientID + @"').value = color; } function submitForm() { document.getElementById('" + form.ClientID + @"').submit(); } "; if (!ClientScript.IsClientScriptBlockRegistered(SCRIPT_BLOCK_NAME)) { ClientScript.RegisterClientScriptBlock(this.GetType(), SCRIPT_BLOCK_NAME, saveColorScript); } } } my directory structure is 1)the master page is in the root. 2)the default.aspx is in the root/alfbet directory. 3)i have also have the xd_receiver.htm inside root/channel directory. that inside the master page their is the folowing line: <script type="text/javascript"> FB_RequireFeatures(["XFBML"], function() { FB.Facebook.init("c81f17ee4d4ffc5113c55f8b99fdcab5", "channel/xd_receiver.htm"); }); </script> the problem is that the applicatin dosent work apps.facebook.com/alefbet/default.aspx why it dosent work ? please help me and others who also obstacle in this issue. i tryied lots of things, one of them was to display the user id. for that i put label in the default.aspx and wrote lblTest.Text = Master.Api.Users.GetInfo().uid.ToString(); and it dosent event get to this line. i know it because it keeps display in the label.text the word "label" thank you very much.

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• VB.NET How Do I skin a vb.net app

  - by letocypher

  I want to skin a vb.net app I made ive googled some stuff and I've seen skinned vb.net apps. However it seems like any time i try to find someone explaining it its a link to a pay for product. Does anyone have anything useful on this?

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