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• Best database setup for one click games

  - by ewizard

  I am building a one click game website/mobile app, and I am debating between using MySQL and MongoDB for the backend. The way I have been exploring it is with a NodeJS/Express/Angular/Passport/MongoDB stack - I have also implemented Socket.io. I have gotten to the point where I am sending data from the flash game to the server (NodeJS). The only data that needs to be sent is basic user information, the players score at the end of each game, and some x,y positions for each players game (for anti-cheating). It seems like MySQL would work fine, but as I am already using MongoDB - are there any major drawbacks to continuing to work with MongoDB on this project?

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• Create many similar classes, or just one

  - by soandos

  The goal is to create an application that has objects that can represent some operations (add, subtract, etc). All of those objects will have common functions and members, and thus will either implement an interface or inherit from an abstract class (Which would be better practice, this will be in C# if that matters?). As far as I can see, there are two different ways of organizing all of these classes. I could create an addition class, a subtraction class, etc. This has the upside of being highly modular but the difference between classes is so minimal. I could create one class, and have a member that will say what type of operation is being represented. This means lots of switch statements, and losing some modularity, in addition to being harder to maintain. Which is is better practice? Is there a better way of doing that is not listed above? If it matters, the list of functions that should be supported is long.

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• How should one deal with egotistic cowokers? [closed]

  - by Anonymous

  One of my fellow coworkers, who is older than me, is very egotistic. (He is senior while I am junior.) He is always over confident in what he is doing, but most of the time he does not think things through. When I suggest that he does something else or ask him what he is doing, he will not answer but tells me to do as he says. I always end up being the person who cleans up his mess. I want to know how to deal with egotistic people?

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• Unwittingly activate wrong wireless driver and now cannot activate the correct one

  - by Sumeth Chaochuti

  I just installed Kubuntu 10.10 on my MacBook 3,1 and found no wireless connection. Using KPackageKit I activated Broadcom b43 because it had already been selected for me. When I subsequently tried to activate Broadcom STA, however, I was returned with an error. After reading Jockey log I removed the wrong driver and reinstalled all drivers so that I can activate the correct one. It hasn't work even though KPackageKit now shows that I have installed: bcmwl-kernel-source bcmwl-modaliases broadcom-sta-common broadcom-sta-source According to the log it appears as if there are conflicts but I don't know how to rectify it. I'm completely new to the platform, just started using Kubuntu 2 days ago. I'll appreciate any advice anyone can give. Thanks.

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• Two divs, one fixed width, the other, the rest

  - by Shamil

  I've got two div containers. Whilst one needs to be a specific width, I need to adjust it, so that, the other div takes up the rest of the space. Is there any way I can do this? <div class="left"></div> <div class="right"></div> // needs to be 250px .left { float: left; width: 83%; display: table-cell; vertical-align: middle; min-height: 50px; margin-right: 10px; overflow: auto } .right { float: right; width: 16%; text-align: right; display: table-cell; vertical-align: middle; min-height: 50px; height: 100%; overflow: auto } Thanks

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• How to approach multiple page form with just one save option

  - by Dano007

  The screen shot shows the magento product upload page. The left nav allows you to switch to different options for the product. Basically each option in the left nav appears as a different page. However when you save and close, it will save all the updates made on each page. Using Foundation4, html, css, js - what would be the best approach to replicating something similar? Say I want 3 pages and one save button option. Using http://foundation.zurb.com/docs/components/section.html#panel2 and having the save buttons the top line form level seems a possible option.

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• Returning multiple results from one row [migrated]

  - by krock

  I have a set of MySQL data similar to the following: | id | type | start | end | ============================================= | 1 | event | 2011-11-01 | 2012-01-02 | | 2 | showing | 2012-11-04 | 2012-11-04 | | 3 | conference | 2012-12-01 | 2012-12-04 | | 4 | event | 2012-01-01 | 2012-01-01 | I want to retrieve events within a certain date range, but I also want to return individual results for each row that has a time span of more than one day. What's the best way to achieve this? Using PHP is a possibility, but I wanted to avoid doing this because I will need to to take pagination into account, etc. Any ideas would be greatly appreciated.

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• Creating several instances of the same object, and selecting only one

  - by hustlerinc

  I'm playing around with making a puzzle game, haven't done that much before I run into my first problem. Basically, I want to create a certain amount of the same object/function. But without hardcoding the different instances. I think maybe an array is a good idea? and then a for loop to push the objects in? And then I need to be able to select one of these objects by clicking on it, how would I do that? How do I know which ball in the array was clicked? A loop again? I made a jsFiddle example (you need to click the orange ball to select, then you can move it around by clicking the canvas). This is what I want to do, but with more balls. How would you solve this? Help appreciated.

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• Two Values Enter, One Value Leaves

  - by Bunch

  This is a fairly easy way to compare values for two different controls. In this example a user needs to enter in a street address and zip code OR pick a county. After that the application will display location(s) based on the value. The application only wants a specific street/zip combination or a county, not both. This code shows how to check for that on an ASP.Net page using some JavaScript. The control code: <table>     <tr>         <td>             <label style="color: Red;">Required Fields</label>         </td>         <td style="width: 300px;">             <label style="color: Red; font-weight: bold;" id="reqAlert" ></label>         </td>     </tr>     <tr>         <td>             <asp:Label ID="Label3" runat="server" Text="Street Address"></asp:Label>         </td>         <td style="width: 200px;">             <input id="Street" type="text" style="width: 200px;" />         </td>     </tr>      <tr>         <td>             <asp:Label ID="Label5" runat="server" Text="Zip Code"></asp:Label>             &nbsp;         </td>         <td style="width: 200px;">             <input id="Zip" type="text" style="width: 200px;"/>         </td>     </tr>     <tr>         <td>             <label style="color: Red; font-size: large;">-- OR --</label>         </td>     </tr>     <tr>         <td>             <asp:Label ID="Label2" runat="server" Text="County"></asp:Label>         </td>         <td style="width: 200px;">             <asp:DropDownList ID="ddlCounty" runat="server">                 <asp:ListItem Value="0" Text="" />                 <asp:ListItem Value="1" Text="County A" />                 <asp:ListItem Value="2" Text="County B" />                 <asp:ListItem Value="3" Text="County C" />                                </asp:DropDownList>         </td>     </tr> </table> <input id="btnMapSearch" type="button" value="Search" onclick="requiredVal()" class="actionButton" /> The onclick for the button runs the requiredVal javascript function. That is where the checks take place. If only one item (street/zip or county) has been entered the application will carry on with it’s locateAddr function; otherwise it will show an error message in the label reqAlert. The javascript: function requiredVal() {     var street = document.getElementById("Street").value;     var zip = document.getElementById("Zip").value;     var countyDdl = document.getElementById("ctl00_Content_ddlCounty");     var county = countyDdl.options[countyDdl.selectedIndex].text;     var reqAlert = document.getElementById("reqAlert");     reqAlert.innerHTML = '';   //clears out any previous messages     if (street != '' || zip != '') {         if (county != '') {             reqAlert.innerHTML = 'Please select only one required option';  //values for both were entered         }         else {             locateAddr();         }     }     else if (street == '' && zip == '' && county == '') {         reqAlert.innerHTML = 'Please select a required option';  //no values entered     }     else {         locateAddr();     } } Technorati Tags: ASP.Net,JavaScript

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• How does one manage perfectionism in programming? [closed]

  - by Craige

  Possible Duplicate: Where do you draw the line for your perfectionism? First of - I'm a perfectionist; I know and accept this. Problem is, this really is a counter-productive programming trait. It's a never-ending endeavor that hinders productivity as you find a new and "better" way you should be doing something. To me, if you're not doing it right, then don't do it at all. How does one manage such a characteristic in programming?

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• Ubuntu One slow download sync speed

  - by Ian M

  I am having problems syncing my Ubuntu One files with my Ubuntu 12.04 fresh installation. Everything went well during the setup phase. Now, I am trying to sync back in my folders in my U1 account and the transfer speed is extremely slow. I am averaging a 15kb/s transfer speed. I tried uninstalling ubuntuone-client and reinstalling it. It did not fixed the problem. Right now U1 is stuck downloading a 50mb file. It is taking forever. Any ideas? Speed Test: http://speedtest.net/result/1922664547.png Screenshot: http://postimage.org/image/obs3f410z/

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• Multiple Passwords on One Account

  - by user110789

  I'd like to join three ideas into one interesting and sometimes useful feature. There was a question about using multiple passwords earlier this year, but it didn't receive much attention. I'd like to ask the question again after showing an interesting and new way to use the feature. The three original posts I found to be interestingly combined were: (1) Multiple passwords per user (2) http://blog.littleimpact.de/index.php/2009/09/14/automatic-encryption-of-home-directories-using-truecrypt-62-and-pam_exec/ (3) http://www.truecrypt.org/docs/hidden-volume Basically I'd like to login to my account with two passwords and depending on the password I use, I would get a different content in my home directory. In a way I would get a cryptographically hidden account into my system. So the question is, is it possible to allow multiple passwords to log on to Ubuntu/Linux for the same user?

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• Dual display setup - only one displayed after logon

  - by oneofthemany

  During boot process my desktop shows both Monitors, but after log I only get one. I'm using Ubuntu 11.10 When I go into Displays its still only shows on Monitor. Here is my graphics card details: 01:00.0 VGA compatible controller: nVidia Corporation G72 [GeForce 7300 LE] (rev a1) (prog-if 00 [VGA controller]) Subsystem: Dell Device 0405 Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at dd000000 (32-bit, non-prefetchable) [size=16M] Memory at c0000000 (64-bit, prefetchable) [size=256M] Memory at de000000 (64-bit, non-prefetchable) [size=16M] [virtual] Expansion ROM at dfe00000 [disabled] [size=128K] Capabilities: <access denied> Kernel driver in use: nvidia Kernel modules: nvidia_96, nvidia_173, nouveau, nvidiafb

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• Announcing RSS feeds of Microsoft All-In-One Code Framework code samples

  - by Jialiang

  Today, we are not only announcing Sample Browser v2 CTP, but we are also excited to announce the availability of RSS feeds of All-In-One Code Framework code samples. By using these feeds, you can easily track and download the new code samples. English RSS feeds All code samples: http://support.microsoft.com/rss/en/rss.xml ASP.NET code samples: http://support.microsoft.com/rss/en/ASPNET.xml Silverlight code samples: http://support.microsoft.com/rss/en/Silverlight.xml Azure code samples: http://support.microsoft.com/rss/en/Azure.xml COM code samples: http://support.microsoft.com/rss/en/COM.xml Data Platform code samples: http://support.microsoft.com/rss/en/Data%20Platform.xml Library code samples: http://support.microsoft.com/rss/en/Library.xml Office dev code samples: http://support.microsoft.com/rss/en/Office.xml VSX code samples: http://support.microsoft.com/rss/en/VSX.xml Windows 7 code samples: http://support.microsoft.com/rss/en/Windows%207.xml Windows Forms code samples: http://support.microsoft.com/rss/en/Windows%20Forms.xml Windows General code samples: http://support.microsoft.com/rss/en/Windows%20General.xml Windows Service code samples: http://support.microsoft.com/rss/en/Windows%20Service.xml Windows Shell code samples: http://support.microsoft.com/rss/en/Windows%20Shell.xml Windows UI code samples: http://support.microsoft.com/rss/en/Windows%20UI.xml WPF code samples: http://support.microsoft.com/rss/en/WPF.xml ??RSS?? ??????:http://support.microsoft.com/rss/zh-cn/codeplex/rss.xml ASP.NET????:http://support.microsoft.com/rss/zh-cn/codeplex/ASPNET.xml Silverlight????:http://support.microsoft.com/rss/zh-cn/codeplex/Silverlight.xml Azure ????: http://support.microsoft.com/rss/zh-cn/codeplex/Azure.xml COM ????: http://support.microsoft.com/rss/zh-cn/codeplex/COM.xml Data Platform ????: http://support.microsoft.com/rss/zh-cn/codeplex/Data%20Platform.xml Library ????: http://support.microsoft.com/rss/zh-cn/codeplex/Library.xml Office dev ????: http://support.microsoft.com/rss/zh-cn/codeplex/Office.xml VSX ????: http://support.microsoft.com/rss/zh-cn/codeplex/VSX.xml Windows 7 ????: http://support.microsoft.com/rss/zh-cn/codeplex/Windows%207.xml Windows Forms ????: http://support.microsoft.com/rss/zh-cn/codeplex/Windows%20Forms.xml Windows General ????: http://support.microsoft.com/rss/zh-cn/codeplex/Windows%20General.xml Windows Service ????: http://support.microsoft.com/rss/zh-cn/codeplex/Windows%20Service.xml Windows Shell ????: http://support.microsoft.com/rss/zh-cn/codeplex/Windows%20Shell.xml Windows UI ????: http://support.microsoft.com/rss/zh-cn/codeplex/Windows%20UI.xml WPF ????: http://support.microsoft.com/rss/zh-cn/codeplex/WPF.xml

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• One Exception to Aggregate Them All

  - by João Angelo

  .NET 4.0 introduced a new type of exception, the AggregateException which as the name implies allows to aggregate several exceptions inside a single throw-able exception instance. It is extensively used in the Task Parallel Library (TPL) and besides representing a simple collection of exceptions can also be used to represent a set of exceptions in a tree-like structure. Besides its InnerExceptions property which is a read-only collection of exceptions, the most relevant members of this new type are the methods Flatten and Handle. The former allows to flatten a tree hierarchy removing the need to recur while working with an aggregate exception. For example, if we would flatten the exception tree illustrated in the previous figure the result would be: The other method, Handle, accepts a predicate that is invoked for each aggregated exception and returns a boolean indicating if each exception is handled or not. If at least one exception goes unhandled then Handle throws a new AggregateException containing only the unhandled exceptions. The following code snippet illustrates this behavior and also another scenario where an aggregate exception proves useful – single threaded batch processing. static void Main() { try { ConvertAllToInt32("10", "x1x", "0", "II"); } catch (AggregateException errors) { // Contained exceptions are all FormatException // so Handle does not thrown any exception errors.Handle(e => e is FormatException); } try { ConvertAllToInt32("1", "1x", null, "-2", "#4"); } catch (AggregateException errors) { // Handle throws a new AggregateException containing // the exceptions for which the predicate failed. // In this case it will contain a single ArgumentNullException errors.Handle(e => e is FormatException); } } private static int[] ConvertAllToInt32(params string[] values) { var errors = new List<Exception>(); var integers = new List<int>(); foreach (var item in values) { try { integers.Add(Int32.Parse(item)); } catch (Exception e) { errors.Add(e); } } if (errors.Count > 0) throw new AggregateException(errors); return integers.ToArray(); }

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• Exalogic&ndash;The One Day Installation Challenge

  - by james.bayer

  It’s a really exciting time for the extended WebLogic community as we are enjoying seeing the impressive results of Exalogic deployments.  At Oracle Open World, a lot of people I spoke with came away impressed with the raw performance.  However, Exalogic offers a lot more than just raw performance.  I had the pleasure of working with Ram Sivaram during one of the Exalogic training sessions in Santa Clara.  In this video diary, he shows the Exalogic machine arrive on the shipping dock, get unpacked, wired up, powered on, configured, and installed with a WebLogic Server cluster in just about 10 hours.  I’ve worked with customers in the past that have taken several weeks or longer to get an environment ready after the hardware arrives.  This typically involves many different specialized teams in their organization.  Mohamad Afshar just wrote a great explanation of the benefit of Engineered Systems and contrasting that to the status quo.  Being able to streamline deployment of middleware capacity will have a lot of value for customers shortening time to deployment.  Thanks for the video Ram, you’ve set a high bar, we’ll see if anyone can top your time!  

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• Oracle Number One in Supply Chain Planning

  - by Stephen Slade

  Something nice to write home about!  Saw this accomplishment and worth promoting, with special Congrats to the VCP team. Read on: Summary: Oracle is the #1 player in  Supply Chain Planning  according to research firm ARC Advisory Group Details: The report (Source: ARC Advisory Group, “Supply Chain Planning Worldwide Outlook, Market Analysis and Forecast through 2016,” Clint Reiser, Steve Banker), gives Oracle 21.1% of revenue share, compared to SAP, who was second at 18.6%. JDA Software, Aspen, Logility, and Infor were the next players in the market. The total market was valued at $1.506B. ARC counts Software (new license and upgrades), Implementation Services, Maintenance and Support, and SaaS, in its definition. ARC defines supply chain planning to include four key application areas: Extended SCP, Manufacturing Planning, Inventory/Distribution Planning, and Demand Management. Extended SCP consists of Network Design, Capable to Promise, SCP Composites, and Extended Supply Chain BI software. In the report, ARC further gives Oracle the number one spot in both Software Revenues and Services Revenues subsegments, as well as in many vertical areas such as Government, Electronics and Electrical, Medical Products, Pharmaceutical, and Wholesale/Distribution. ARC also issued a forecast, that predicts SCP revenue to grow from $1.506B in 2011 to $2.172B in 2016, with a CAGR of 7.6%. The report has several positive quotes about Oracle, including calling Oracle a “visionary,” and states that “Oracle has leveraged a broad set of home-grown and acquired offerings to create a comprehensive, integrated, yet modular suite with applicability to a wide range of industries,” Blog Link: http://blog.us.oracle.com/marketdata/?97119896  (shawn willett@oracle com)

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• Get entities ids from two similar collections using one method

  - by Patryk Roszczyniala

  I've got two lists: List<Integer, ZooEntity> zoos; List<Integer, List<ZooEntity>> groupOfZoos; These operations will return collections of values: Collection<ZooEntity> cz = zoos.values(); Collection<List<ZooEntity>> czList = groupOfZoos.values(); What I want to achieve is to get list of all zoo ids. List<Integer> zooIds = cz ids + czList ids; Of course I can create two methods to do what I want: public List<Integer> getIdsFromFlatList(Collection<ZooEntity> list) { List<Integer> ids = new ArrayList<Integer>(); for (ZooEntity z : list) { ids.add(z.getId()); } return ids; } public List<Integer> getIdsFromNestedList(Collection<List<ZooEntity>> list) { List<Integer> ids = new ArrayList<Integer>(); for (List<ZooEntity> zList : list) { for (ZooEntity z : zList) { ids.add(z.getId()); } } return ids; } As you can see those two methods are very similar and here is my question: Is it good to create one method (for example using generics) which will get ids from those two lists (zoos and groupOfZoos). If yes how it should look like? If no what is the best solution? BTW. This is only the example. I've got very similar problem at job and I want to do it in preety way (I can't change enities, I can change only getIds...() methods).

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• Message Queue: Which one is the best scenario?

  - by pandaforme

  I write a web crawler. The crawler has 2 steps: get a html page then parse the page I want to use message queue to improve performance and throughput. I think 2 scenarios: scenario 1: structure: urlProducer -> queue1 -> urlConsumer -> queue2 -> parserConsumer urlProducer: get a target url and add it to queue1 urlConsumer: according to the job info, get the html page and add it to queue2 parserConsumer: according to the job info, parse the page scenario 2: structure: urlProducer -> queue1 -> urlConsumer parserProducer-> queue2 -> parserConsumer urlProducer : get a target url and add it to queue1 urlConsumer: according to the job info, get the html page and write it to db parserProducer: get the html page from db and add it to queue2 parserConsumer: according to the job info, parse the page There are multiple producers or consumers in each structure. scenario1 likes a chaining call. It's difficult to find the point of problem, when occurring errors. scenario2 decouples queue1 and queue2. It's easy to find the point of problem, when occurring errors. I'm not sure the notion is correct. Which one is the best scenario? Or other scenarios? Thanks~

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• two possible wifi devices competing, one is hard blocked - unable to connect wireless

  - by patrickmw

  blacklisted acer_wmi because that was showing up in the rfkill list then ideapad_wlan was listed $ rfkill list wifi 1: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no 3: brcmwl-0: Wireless LAN Soft blocked: no Hard blocked: yes $ lshw -C network *-network description: Ethernet interface product: AR8131 Gigabit Ethernet vendor: Atheros Communications physical id: 0 bus info: pci@0000:03:00.0 logical name: eth0 version: c0 serial: f0:de:f1:12:21:e9 size: 1Gbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.0-NAPI duplex=full firmware=N/A ip=192.168.1.139 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s resources: irq:42 memory:f0400000-f043ffff ioport:2000(size=128) *-network description: Wireless interface product: BCM4313 802.11b/g/n Wireless LAN Controller vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:04:00.0 logical name: eth1 version: 01 serial: ac:81:12:38:ba:89 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=wl0 driverversion=5.100.82.38 latency=0 multicast=yes wireless=IEEE 802.11 resources: irq:17 memory:f0500000-f0503fff contents of /var/lib/NetworkManager/NetworkManager.state [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true I'm not sure how to disable the wifi devices independently. I'm also not sure which device is the correct one. I think its the brcmw device. Any suggestions?

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• Game-a-Week One

  - by Matt Christian

  Anyone who chats with me on a semi-regular basis knows I am absolutely horrible at completing something from beginnning to end.  Often times I'll begin something, lose interest at some point, and end up moving onto the next thing.  For example, I have 1/2 a full game created, 1/3 of a novel written, and half of a model set created.  Needless to say, unless I have some sort of pressure to finish something I don't stick to it. Recently however one of my online buddies challenged me to create a simple game.  The start date was last Thursday and the final game needed to be delivered by this next Sunday (giving me just over a week).  However, I am going out of town this Friday so will need to deliver it by Thursday, giving me exactly 1 week to develop a game.  Here is what the game needed to include: The player should be able to shoot Shooting things should score points Sounds very simple, but given a single week to produce all art assets plus the game isn't an easy task.  So far I've developed: An animated Main Menu that loads via script files, allows the user to start a new game or exit the game The game is 3D and the player can move around the play area with an 'over-the-shoulder' camera HUD elements are drawn to display the player's current score When the player presses Esc they are shown a pause menu where they can resume the game by pressing Esc again, or quit the game by pressing Space There are also 2 items implemented that don't work perfectly: JigLibX physics library implementation On the main menu there is an arrow symbol that rotates to always point at your mouse I've got 2 days of development left so hopefully I can get collision working, some of the art cleaned up, and some more of the camera functionality working.  Also, I'll need to take some time to package the game up which hopefully shouldn't take too long.

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• two possible wifi devices competing, one is hard blocked

  - by patrickmw

  blacklisted acer_wmi because that was showing up in the rfkill list then ideapad_wlan was listed $ rfkill list wifi 1: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no 3: brcmwl-0: Wireless LAN Soft blocked: no Hard blocked: yes $ lshw -C network *-network description: Ethernet interface product: AR8131 Gigabit Ethernet vendor: Atheros Communications physical id: 0 bus info: pci@0000:03:00.0 logical name: eth0 version: c0 serial: f0:de:f1:12:21:e9 size: 1Gbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.0-NAPI duplex=full firmware=N/A ip=192.168.1.139 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s resources: irq:42 memory:f0400000-f043ffff ioport:2000(size=128) *-network description: Wireless interface product: BCM4313 802.11b/g/n Wireless LAN Controller vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:04:00.0 logical name: eth1 version: 01 serial: ac:81:12:38:ba:89 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=wl0 driverversion=5.100.82.38 latency=0 multicast=yes wireless=IEEE 802.11 resources: irq:17 memory:f0500000-f0503fff I'm not sure how to disable the wifi devices independently. I'm also not sure which device is the correct one. I think its the brcmw device. Any suggestions?

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• deep expertise in one technology or not so deep understanding of many technologies

  - by district

  Hello everyone. I started to feel a little bit confused recently about my career path as software developer, about what I do, what I know and do I need it. I am 21 years now and I have 3 years of experience. I've been dealing with java/C++ projects, Servlet/JSP/JSF, desktop QT, also some mobile development (Symbian, Android) I work for a quite a small company, around 20 developers with different projects. I'm also a student. The problem is that I'm not sure if I'm taking the right road here. I'm starting to work with new technology every few months. I don't have deep understanding in any of these and I'm not sure if this is what I need. I will probably not become an expert in any of these. The other path is maybe to start working for a big company which use one set of technologies and become an expert. What's your opinion on this topic ? What is more valuable ?

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• Recruiters intentionally present one good candidate for an available job

  - by Jeff O

  Maybe they do it without realizing. The recruiter's goal is to fill the job as soon as possible. I even think they feel it is in their best interest that the candidate be qualified, so I'm not trying to knock recruiters. Aren't they better off presenting 3 candidates, but one clearly stands out? The last thing they want from their client is a need to extend the interview process because they can't decide. If the client doesn't like any of them, you just bring on your next good candidate. This way they hedge their bet a little. Any experience, insight or ever heard of a head-hunter admit this? Does it make sense? There has to be a reason why the choose such unqualified people. I've seen jobs posted that clearly state they want someone with a CS degree and the recruiter doesn't take it literally. I don't have a CS degree or Java experience and still they think I'm a possible fit.

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• Which one is better offline method for large scale application

  - by Manish Pansiniya

  We've a big data management website used by several property. Some of our customers have downtime (they can't access net for an hour or two). We want our site to support offline data viewing and inventory management (typical data search and add/remove) and when the user goes online we can sync the changes back to our central database. Customers use several platforms like Windows, iOS, etc. We've been looking into several different options, here are the major choices - Develop offline web app supported in HTML5. Develop a 'fallback' mechanism and interact with data from the app cache as explained in here (http://www.htmlgoodies.com/html5/tutorials/introduction-to-offline-web- applications-using-) Develop a desktop based cross platform solution. I remember the old MONO which has been popular. Here's a post (What do you suggest for cross platform apps, including web cross-platform-apps-including-web) and another one (Technology choice for cross platform development (desktop and phone)? platform-development-desktop-and-phone?rq=1) I realize the the desktop solution might be hard to maintain and result in some compatibility issues and demand test environments. Can HTML5 handle moderate to high level complexity and data flow? Or would it be better to rely on a desktop based app for better scalability & performance?

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