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  • Why is C++ predominant in programming contests and competitions?

    - by daniels
    I understand that C++ is a very fast language, but ain't C just as fast, or faster in some cases? Then you might say that C++ has OOP, but the amount of OOP you need for most programming puzzles is not that big, and in my opinion C would be able handle that. Here's why I am asking this: I am very interested in programming contests and competitions, and I am used to coding in C on those. However, I noticed that the vast majority of people use C++ (e.g., 17 out of 25 finalists on Google Code Jam 2011 used it, while no one used C), so I am wondering if I am at a disadvantage going with C. Apart from the Object Orientation, what makes C++ a more suitable language for programming competitions? What are the features of the language I should learn and use to perform better on the competitions? For background, I consider myself pretty proficient in C, but I am just starting to learn C++.

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  • Type dependencies vs directory structure

    - by paul
    Something I've been wondering about recently is how to organize types in directories/namespaces w.r.t. their dependencies. One method I've seen, which I believe is the recommendation for both Haskell and .NET (though I can't find the references for this at the moment), is: Type Type/ATypeThatUsesType Type/AnotherTypeThatUsesType My natural inclination, however, is to do the opposite: Type Type/ATypeUponWhichTypeDepends Type/AnotherTypeUponWhichTypeDepends Questions: Is my inclination bass-ackwards? Are there any major benefits/pitfalls of one over the other? Is it just something that depends on the application, e.g. whether you're building a library vs doing normal coding?

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  • 2D basic map system

    - by Cyril
    i'm currently coding a 2D game in Java, and I would like to have some clues on how-to build this system : the screen is moving on a grander map, for instance, the screen represent 800*600 units on a 100K*100K map. When you command your unit to go to another position, the screen move on this map AND when you move your mouse on a side or another of the screen, you move the screen on the map. Not sure that i'm clear, but we can retrieve this system in most RTS games (warcraft/starcraft for example). I'm currently using Slick 2D. Any idea ? Thanks.

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  • Do you know a good html mailing list management software with admin levels?

    - by SirG
    I'm basically looking for a program/app/script (can be commercial) which I can ideally install on a windows server (we can run asp, asp.net php mssql) we have different groups of people who send newsletters to web members, I want to bring it all into one app which I can monitor and control. Ideally it would be able to create html newsletters, (with some templates) track emails and click throughs. Manage email lists subscribe/unsubscribes. And importantly have different levels of admin, so a newsletter creator could log in and create and send off an email, it goes into a queue where a communications editor can have an overview of all newsletters and approve the sending of the emails or edit them before they are sent off. before I start coding something up myself I thought I'd ask if anyone has any advice! Cheers!

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  • Is there value in having technical authors in a software team?

    - by Desolate Planet
    During my 5 years in IT as a software developer, I've noticed that developers have a strong distaste towards doing any documentation. The act of taking screenshots and creating documentation seems to be a painful and time consuming experience. In one company I worked for, we had a technical documentation team with two technical authors and they developed all the user guides for our customers. In other companies where I've suggested hiring a technical author, I've been told they are not worth the money, but I'm a little unsure if that rings true. Is it better to have developers stop coding and take half a day to do screenshots and create the various guides or is it worth hiring someone who handles such tasks?

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  • How to coach a developer with dyslexia to improve his spelling and grammar capabilities?

    - by Uwe Keim
    Just having read this question regarding developers with dyslexia, I still have some open questions on how to deal with it: I am working on a project sinc approx. 6 month with a new developer who just finished university. I see that the code quality is high, what he's missing is the ability to write texts (even short ones) in an error-free manner (both, syntax and grammar errors). He is working on some UI stuff (VS.NET 2010, ASP.NET 4) and, beside coding, has to write short text for labels, buttons, grid view headers, page titles, etc. Since even those texts have errors inside, no matter how much I try to discuss the need for a professional, text-error-free UI, he seems to not manage to get this right, although he really tries. So my questions are: Are there any hints how he (or I) should proceed to enhance the text quality? Do you know any tools (like inline spell checkers) for VS.NET to highlight syntax and grammar errors? (We are working on a German-only UI, if this is important to know)

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  • Game development: Pre-production stage

    - by piers
    I´m starting up a new project. It´s going to be a web browser game, developed using HTML5, JavaScript and CSS3. I have some general questions regarding the process of game developing. Should you know everything about your game by the time you start writing the first lines of code? I mean should you know all the details, all the things the player can and can not do? Basically: should you be done writing down new ideas before you begin coding? I understand the pre-production process is about documenting, doing research etc. What does that mean? Does it mean I should open up Word and write down everything about the game? For example what should happen when you click on different things etc. Thanks for your help!

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  • Where can I get feedback and support from other programmers in real time?

    - by cypherblue
    I used to work in an office surrounded by a large team of programmers where we all used the same languages and had different expertises. Now that I am on my own forming a startup at home, my productivity is suffering because I miss having people I can talk to for specific help, inspiration and reality checks when working on a coding problem. I don't have access to business incubators or shared (co-working) office spaces for startups so I need to chat with people virtually. Where can I go for real-time chat with other programmers and developers (currently I'm looking for people developing for the web, javascript and python) for live debugging and problem-solving of the tasks I am working on? And what other resources can I use to get fellow programmer support?

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  • Where to find a mentor?

    - by Fanatic23
    I have been looking around for resources that discuss about mentors, including questions in the stackexchange network. I see that the general response has been to join open source projects and/or check out local user groups if there exists any. Are we sure that joining open source project can get me a mentor? It can grab eyeballs, yes, if the project is exciting enough but a mentor? I am not so sure. What do you guys think? Finally, I'd want my mentor to be in a specific domain as opposed to just being a coding wizard and that makes the search even more difficult. Suggestions?

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  • ubuntu-server 12.04 installation-CD ------- same bug like debian 6.0.4 installation-CD? [closed]

    - by dschinn1001
    The dvd-drive of a notebook is a MatshitaBD-CMB UJ-120 Hint for you. e.g. Debian Installation-CD with Debian 6.0 resp. Debian 6.0.3 was working fine and has no trouble with this device. Installation-CD with Debian 6.0.4 is behaving same like the Ubuntu-Server-12.04-CD. They both don't recognize this dvd-combo-drive above, This problem was solved with Kernel 3.2.24.x and 3.4.x Happy Coding. Regards. dschinn1001 PS: see comment following below !

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  • Can't get Wireless to work! (Fujitsu siemens ESPRIMO Mobile u9200) Ubuntu 12.4

    - by Martin Oscarsson
    I can't get wireless to work on my computer. I have recently installed 12.04. Computer name: (Fujitsu siemens ESPRIMO Mobile u9200) Hardware button starts bluetooth - so can't start that way. Have searched the Internet for help but can't find any on my specific problem! State: connected (global) - Device: wlan0 ---------------------------------------------------------------- Type: 802.11 WiFi Driver: ath5k State: disconnected Default: no *-network beskrivning: Trådlöst gränssnitt produkt: AR242x / AR542x Wireless Network Adapter (PCI-Express) tillverkare: Atheros Communications Inc. *-network beskrivning: Ethernet interface produkt: 88E8055 PCI-E Gigabit Ethernet Controller tillverkare: Marvell Technology Group Ltd. HERE IS ALL THE NETWORK INFO: ellika@ellikas:~$ ifconfig eth0 Link encap:Ethernet HWaddr 00:1e:33:00:96:9a inet addr:192.168.1.26 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::21e:33ff:fe00:969a/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:13778 errors:0 dropped:0 overruns:0 frame:0 TX packets:9510 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:14022669 (14.0 MB) TX bytes:1001621 (1.0 MB) Interrupt:17 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:1542 errors:0 dropped:0 overruns:0 frame:0 TX packets:1542 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:125040 (125.0 KB) TX bytes:125040 (125.0 KB) ellika@ellikas:~$ sudo ifconfig [sudo] password for ellika: eth0 Link encap:Ethernet HWaddr 00:1e:33:00:96:9a inet addr:192.168.1.26 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::21e:33ff:fe00:969a/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:13801 errors:0 dropped:0 overruns:0 frame:0 TX packets:9528 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:14024965 (14.0 MB) TX bytes:1002836 (1.0 MB) Interrupt:17 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:1542 errors:0 dropped:0 overruns:0 frame:0 TX packets:1542 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:125040 (125.0 KB) TX bytes:125040 (125.0 KB) ellika@ellikas:~$ sudo ifconfig wlan0 up SIOCSIFFLAGS: Operationen inte möjlig p.g.a. RF-kill ellika@ellikas:~$ phy0 Wireless LAN phy0: command not found ellika@ellikas:~$ rfkill Usage: rfkill [options] command Options: --version show version (0.4-1ubuntu2 (Ubuntu)) Commands: help event list [IDENTIFIER] block IDENTIFIER unblock IDENTIFIER where IDENTIFIER is the index no. of an rfkill switch or one of: <idx> all wifi wlan bluetooth uwb ultrawideband wimax wwan gps fm ellika@ellikas:~$ sudo rf-kill unblock all sudo: rf-kill: kommandot hittades inte ellika@ellikas:~$ sudo rfkill unblock all ellika@ellikas:~$ sedan sudo ifconfig wlan0 sedan: command not found ellika@ellikas:~$ sudo ifconfig wlan0 wlan0 Link encap:Ethernet HWaddr 00:22:5f:3f:63:76 BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) ellika@ellikas:~$ ^C ellika@ellikas:~$ ^C ellika@ellikas:~$ sudo rfkill unblock all ellika@ellikas:~$ sudo ifconfig wlan0 up SIOCSIFFLAGS: Operationen inte möjlig p.g.a. RF-kill ellika@ellikas:~$ sudo rfkill unblock all ellika@ellikas:~$ sudo rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: yes ellika@ellikas:~$ sudo rfkill unblock all ellika@ellikas:~$ echo -e "sudo lshw --class network:\n\n$(sudo lshw -c network)\n\nlspci -nnn | grep Ethernet:\n\n$(lspci -nnn | grep Ethernet)\n\nlsusb:\n\n$(lsusb)\n\niwlist wlan0 scanning:\n\n$(iwlist wlan0 scanning)\n\nrfkill list:\n\n$(rfkill list)\n\nping -c 5 google.com:\n\n$(ping -c 5 google.com)\n\nhost google.com 8.8.8.8:\n\n$(host google.com 8.8.8.8)\n\nlsb_release -a:\n\n$(lsb_release -a)\n\nuname -a:\n\n$(uname -a)" ^[[C^[[C^[[C^[[C^[[C^[[B wlan0 Failed to read scan data : Network is down No LSB modules are available. sudo lshw --class network: *-network beskrivning: Ethernet interface produkt: 88E8055 PCI-E Gigabit Ethernet Controller tillverkare: Marvell Technology Group Ltd. physical id: 0 bus info: pci@0000:04:00.0 logiskt namn: eth0 version: 14 serienummer: 00:1e:33:00:96:9a storlek: 100Mbit/s kapacitet: 1Gbit/s bredd: 64 bits klocka: 33MHz förmågor: pm vpd msi pciexpress bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation konfiguration: autonegotiation=on broadcast=yes driver=sky2 driverversion=1.30 duplex=full firmware=N/A ip=192.168.1.26 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s resurser: irq:44 memory:f8000000-f8003fff ioport:3000(storlek=256) memory:f2000000-f201ffff *-network INAKTIVERAD beskrivning: Trådlöst gränssnitt produkt: AR242x / AR542x Wireless Network Adapter (PCI-Express) tillverkare: Atheros Communications Inc. physical id: 0 bus info: pci@0000:06:00.0 logiskt namn: wlan0 version: 04 serienummer: 00:22:5f:3f:63:76 bredd: 64 bits klocka: 33MHz förmågor: pm msi pciexpress msix bus_master cap_list ethernet physical wireless konfiguration: broadcast=yes driver=ath5k driverversion=3.2.0-30-generic-pae firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11bg resurser: irq:18 memory:fa000000-fa00ffff lspci -nnn | grep Ethernet: 04:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8055 PCI-E Gigabit Ethernet Controller [11ab:4363] (rev 14) 06:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR242x / AR542x Wireless Network Adapter (PCI-Express) [168c:001c] (rev 04) lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 002: ID 05e3:0715 Genesys Logic, Inc. USB 2.0 microSD Reader Bus 001 Device 003: ID 05c8:0103 Cheng Uei Precision Industry Co., Ltd (Foxlink) FO13FF-65 PC-CAM iwlist wlan0 scanning: rfkill list: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: yes ping -c 5 google.com: PING google.com (173.194.32.34) 56(84) bytes of data. 64 bytes from arn06s02-in-f2.1e100.net (173.194.32.34): icmp_req=1 ttl=55 time=10.6 ms 64 bytes from arn06s02-in-f2.1e100.net (173.194.32.34): icmp_req=2 ttl=55 time=10.5 ms 64 bytes from arn06s02-in-f2.1e100.net (173.194.32.34): icmp_req=3 ttl=55 time=10.4 ms 64 bytes from arn06s02-in-f2.1e100.net (173.194.32.34): icmp_req=4 ttl=55 time=10.4 ms 64 bytes from arn06s02-in-f2.1e100.net (173.194.32.34): icmp_req=5 ttl=55 time=10.4 ms --- google.com ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4004ms rtt min/avg/max/mdev = 10.451/10.517/10.631/0.062 ms host google.com 8.8.8.8: Using domain server: Name: 8.8.8.8 Address: 8.8.8.8#53 Aliases: google.com has address 173.194.32.36 google.com has address 173.194.32.38 google.com has address 173.194.32.41 google.com has address 173.194.32.37 google.com has address 173.194.32.35 google.com has address 173.194.32.39 google.com has address 173.194.32.33 google.com has address 173.194.32.34 google.com has address 173.194.32.46 google.com has address 173.194.32.32 google.com has address 173.194.32.40 google.com has IPv6 address 2a00:1450:400f:801::100e google.com mail is handled by 40 alt3.aspmx.l.google.com. google.com mail is handled by 20 alt1.aspmx.l.google.com. google.com mail is handled by 30 alt2.aspmx.l.google.com. google.com mail is handled by 50 alt4.aspmx.l.google.com. google.com mail is handled by 10 aspmx.l.google.com. lsb_release -a: Distributor ID: Ubuntu Description: Ubuntu 12.04.1 LTS Release: 12.04 Codename: precise uname -a: Linux ellikas 3.2.0-30-generic-pae #48-Ubuntu SMP Fri Aug 24 17:14:09 UTC 2012 i686 i686 i386 GNU/Linux ellika@ellikas:~$ ellika@ellikas:~$ clear ellika@ellikas:~$ echo -e "sudo lshw --class network:\n\n$(sudo lshw -c network)\n\nlspci -nnn | grep Ethernet:\n\n$(lspci -nnn | grep Ethernet)\n\nlsusb:\n\n$(lsusb)\n\niwlist wlan0 scanning:\n\n$(iwlist wlan0 scanning)\n\nrfkill list:\n\n$(rfkill list)\n\nping -c 5 google.com:\n\n$(ping -c 5 google.com)\n\nhost google.com 8.8.8.8:\n\n$(host google.com 8.8.8.8)\n\nlsb_release -a:\n\n$(lsb_release -a)\n\nuname -a:\n\n$(uname -a)" wlan0 Failed to read scan data : Network is down No LSB modules are available. sudo lshw --class network: *-network beskrivning: Ethernet interface produkt: 88E8055 PCI-E Gigabit Ethernet Controller tillverkare: Marvell Technology Group Ltd. physical id: 0 bus info: pci@0000:04:00.0 logiskt namn: eth0 version: 14 serienummer: 00:1e:33:00:96:9a storlek: 100Mbit/s kapacitet: 1Gbit/s bredd: 64 bits klocka: 33MHz förmågor: pm vpd msi pciexpress bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation konfiguration: autonegotiation=on broadcast=yes driver=sky2 driverversion=1.30 duplex=full firmware=N/A ip=192.168.1.26 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s resurser: irq:44 memory:f8000000-f8003fff ioport:3000(storlek=256) memory:f2000000-f201ffff *-network INAKTIVERAD beskrivning: Trådlöst gränssnitt produkt: AR242x / AR542x Wireless Network Adapter (PCI-Express) tillverkare: Atheros Communications Inc. physical id: 0 bus info: pci@0000:06:00.0 logiskt namn: wlan0 version: 04 serienummer: 00:22:5f:3f:63:76 bredd: 64 bits klocka: 33MHz förmågor: pm msi pciexpress msix bus_master cap_list ethernet physical wireless konfiguration: broadcast=yes driver=ath5k driverversion=3.2.0-30-generic-pae firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11bg resurser: irq:18 memory:fa000000-fa00ffff lspci -nnn | grep Ethernet: 04:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8055 PCI-E Gigabit Ethernet Controller [11ab:4363] (rev 14) 06:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR242x / AR542x Wireless Network Adapter (PCI-Express) [168c:001c] (rev 04) lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 002: ID 05e3:0715 Genesys Logic, Inc. USB 2.0 microSD Reader Bus 001 Device 003: ID 05c8:0103 Cheng Uei Precision Industry Co., Ltd (Foxlink) FO13FF-65 PC-CAM iwlist wlan0 scanning: rfkill list: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: yes ping -c 5 google.com: PING google.com (173.194.32.34) 56(84) bytes of data. 64 bytes from arn06s02-in-f2.1e100.net (173.194.32.34): icmp_req=1 ttl=55 time=10.6 ms 64 bytes from arn06s02-in-f2.1e100.net (173.194.32.34): icmp_req=2 ttl=55 time=10.5 ms 64 bytes from arn06s02-in-f2.1e100.net (173.194.32.34): icmp_req=3 ttl=55 time=10.4 ms 64 bytes from arn06s02-in-f2.1e100.net (173.194.32.34): icmp_req=4 ttl=55 time=10.4 ms 64 bytes from arn06s02-in-f2.1e100.net (173.194.32.34): icmp_req=5 ttl=55 time=10.5 ms --- google.com ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4004ms rtt min/avg/max/mdev = 10.476/10.522/10.602/0.045 ms host google.com 8.8.8.8: Using domain server: Name: 8.8.8.8 Address: 8.8.8.8#53 Aliases: google.com has address 173.194.32.36 google.com has address 173.194.32.38 google.com has address 173.194.32.41 google.com has address 173.194.32.37 google.com has address 173.194.32.35 google.com has address 173.194.32.39 google.com has address 173.194.32.33 google.com has address 173.194.32.34 google.com has address 173.194.32.46 google.com has address 173.194.32.32 google.com has address 173.194.32.40 google.com has IPv6 address 2a00:1450:400f:801::100e google.com mail is handled by 40 alt3.aspmx.l.google.com. google.com mail is handled by 20 alt1.aspmx.l.google.com. google.com mail is handled by 30 alt2.aspmx.l.google.com. google.com mail is handled by 50 alt4.aspmx.l.google.com. google.com mail is handled by 10 aspmx.l.google.com. lsb_release -a: Distributor ID: Ubuntu Description: Ubuntu 12.04.1 LTS Release: 12.04 Codename: precise uname -a: Linux ellikas 3.2.0-30-generic-pae #48-Ubuntu SMP Fri Aug 24 17:14:09 UTC 2012 i686 i686 i386 GNU/Linux

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  • How can a student programmer improve his teamwork skill?

    - by xiao
    I am a student right now. Recently, I am working in a project as a leader with three other students. Due to the lack of experience, our project is progressing slowly and our members are frustrated. They do not feel sense of accomplishment in the project. I am pressured and frustrated, too. But as a team leader, I think I need to push them. But I do not know how to do. Do I help them solve coding problem or just encouragement? But if I pay too much attention on it, it would slow down my own progress. It is a not technical question, but it is very common in software development. I hope veteran programmers would give me some suggestions. Thanks!

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  • What is the correct way to install ATI Catalyst Video Drivers in 12.04 LTS?

    - by Stephen Myall
    I am planning on doing a fresh install of 12.04 LTS next weekend (I am currently on Beta) and want to know what is the correct way to install ATI Catalyst Video Drivers in 12.04 LTS? I have been reviewing all the Q&A on AU and the reason for asking this specific question is that I maybe be missing some dependencies from my planned coding. In a previous AU question relating to 11.10 (here) NOT 12.04 the accepted response stated that this was a dependency. sudo apt-get install ia32-libs I was also receiving conflicting advice on other websites which put doubts on what the correct approach was.

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  • should i concentrate on logical and puzzles part in programming, i want to be a web (flex)developer?

    - by abhilashm86
    I'm a student not good and can't easily crack at more puzzle, complex mathematics, hard logic problems? in college i studied c++, java, oops. I'm comfortable with all syntax and writing programs and using API's and doing mashups, i can do.......... but once a friend asked help on coding contest, i was in dilemma and frustration? It was simple and complex, i could not write code for those, so got scared? Is logical ability,complex mathematics, puzzles required for a developer point of view? please help and suggest methods to achieve things......

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  • Design pattern and best practices

    - by insane-36
    I am an iphone developer. I am quite confident on developing iphone application with some minimal feature. I would consider myself as a fair application developer but the code I write is not so much structured. I make vey little use of MVC because I dont seem to find places to impose MVC. Most of the time, I create application with viewcontrollers and very few models only. How could I improve the skill for making my code more reusable, standard, easy and maintainable. I have seen few books on design patterns and tried few chapters myself but I dont seem to skip my habit. I know few of them but I am not being able to apply those patterns into my app. What is the best way to learn the design patterns and coding habit. Any kind of suggestion is warmly welcomed.

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  • How can I implement an Iris Wipe effect?

    - by Vandell
    For those who doesn't know: An iris wipe is a wipe that takes the shape of a growing or shrinking circle. It has been frequently used in animated short subjects, such as those in the Looney Tunes and Merrie Melodies cartoon series, to signify the end of a story. When used in this manner, the iris wipe may be centered around a certain focal point and may be used as a device for a "parting shot" joke, a fourth wall-breaching wink by a character, or other purposes. Example from flasheff.com Your answer may or may not include a coding sample, a language agnostic explanation is considered enough.

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  • "continue" and "break" for static analysis

    - by B. VB.
    I know there have been a number of discussions of whether break and continue should be considered harmful generally (with the bottom line being - more or less - that it depends; in some cases they enhance clarity and readability, but in other cases they do not). Suppose a new project is starting development, with plans for nightly builds including a run through a static analyzer. Should it be part of the coding guidelines for the project to avoid (or strongly discourage) the use of continue and break, even if it can sacrifice a little readability and require excessive indentation? I'm most interested in how this applies to C code. Essentially, can the use of these control operators significantly complicate the static analysis of the code possibly resulting in additional false negatives, that would otherwise register a potential fault if break or continue were not used? (Of course a complete static analysis proving the correctness of an aribtrary program is an undecidable proposition, so please keep responses about any hands-on experience with this you have, and not on theoretical impossibilities) Thanks in advance!

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  • What are the fundamentals of game development?

    - by Matt
    Hi, I completely do not understand how a video game can be coded. I'm a beginner programmer and only have experience writing console applications that do math and what not. I do not understand how these logical processes can make images move on the screen (video games). Obviously if i jumped into a game development book or something like that I would understand but I am currently still getting a grasp of the fundamentals of programming in general. Could anyone give a simple explanation , coding wise, on the jump between making a computer do simple math to making a computer produce amazing graphical programs such as video games? Maybe there are some intro videos someone can point me to? I

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  • Dealing with "I-am-cool-and-you-are-dumb" manager [closed]

    - by Software Guy
    I have been working with a software company for about 6 months now. I like the projects I work on there and I really like all the people there except for 1 guy. That guy is technically smart, and he is a co-founder of the company. He is an okay guy in person (the kind you wouldn't want to care about much) but things get tricky when he is your manager. In general I am all okay but there are times when I feel I am not being treated fairly: He doesn't give much thought to when he makes mistakes and when I do something similar, he is super critical. Recently he went as far as to say "I am not sure if I can trust you with this feature". The detais of this specific case are this: I was working on this feature, and I was already a couple of hours over my normal working hours, and then I decided to stop and continue tomorrow. We use git, and I like to commit changes locally and only push when I feel they are ready. This manager insists that I push all the changes to the central repo (in case my hard drive crashes). So I push the change, and the ticket is marked as "to be tested". Next day I come in, he sits next to me and starts complaining and says that I posted above. I really didn't know what to say, I tried to explain to him that the ticket is still being worked upon but he didn't seem to listen. He interrupts me in-between when I am coding, which I do not mind, but when I do that same, his face turns like this :| and reacts as if his work was super important and I am just wasting his time. He asks me to accumulate all questions, and then ask him altogether which is not always possible, as you need a clarification before you can continue on a feature implementation. And when I am coding, he talks on the phone with his customers next to me (when he can go to the meeting room with his laptop) and doesn't care. He made me switch to a whole new IDE (from Netbeans to a commercial IDE costing a lot of money) for a really tiny feature (which I later found out was in Netbeans as well!). I didn't make a big deal out of it as I am equally comfortable working with this new IDE, but I couldn't get the science behind his obsession. He said this feature makes sure that if any method is updated by a programmer, the IDE will turn the method name to red in places where it is used. I told him that I do not have a problem since I always search for method usage in the project and make sure its updated. IDEs even have refactoring features for exactly that, but... I recently implemented a feature for a project, and I was happy about it and considering him a senior, I asked him his comments about the implementation quality.. he thought long and hard, made a few funny faces, and when he couldn't find anything, he said "ummm, your program will crash if JS is disabled" - he was wrong, since I had made sure it would work fine with default values even if JS was disabled. I told him that and then he said "oh okay". BUT, the funny thing is, a few days back, he implemented something and I objected with "But that would not run if JS is disabled" and his response was "We don't have to care about people who disable JS" :-/ Once he asked me to investigate if there was a way to modify a CMS generated menu programmatically by extending the CMS, I did my research and told him that the only was is to inject a menu item using JavaScript / jQuery and his reaction was "ah that's ugly, and hacky, not acceptable" and two days later, I see that feature implemented in the same way as I had suggested. The point is, his reaction was not respectful at all, even if what I proposed was hacky, he should be respectful, that I know what's hacky and if I am suggesting something hacky, there must be a reason for it. There are plenty of other reasons / examples where I feel I am not being treated fairly. I want your advice as to what is it that I am doing wrong and how to deal with such a situation. The other guys in the team are actually very good people, and I do not want to leave the job either (although I could, if I want to). All I want is respect and equal treatment. I have thought about talking to this guy in a face to face meeting, but that worries me that his attitude might get worse and make things more difficult for me (since he doesn't seem to be the guy who thinks he can be wrong too). I am also considering talking to the other co-founder but I am not sure how he will take it (as both founders have been friends forever). Thanks for reading the long message, I really appreciate your help.

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  • Will Ubuntu 12.04 work on an Acer Aspire One D257-1682?

    - by Avid
    Is it possible to install Ubuntu 12.04 on an Acer Aspire One D257-1682? I have a disc that I used to run Ubuntu 12.04 on my desktop without incident. When trying to run it on my Aspire One, using an external DVD drive via USB, I get a ton of errors about missing files while it tries to load Ubuntu. I found a list of which versions of Ubuntu to run depending on which Aspire One model you have, but the D257 was not listed at all. I want to have Ubuntu on my Aspire One for coding Java and C++ since I don't have to sit at my desk for hours. Please help! -Avid

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  • Software Architecture - From design to sucessful implementation

    - by user20358
    As the subject goes; once a software architect puts down the high level design and approach to a software that is to be developed from scratch, how does the team ensure that it is implemented successfully? To my mind the following things will need to be done Proper understanding of requirements Setting down coding practices and guidelines Regular code reviews to ensure the guidelines are being adhered to Revisiting the requirements phase and making necessary changes to design based on client inputs if there are any changes to requirements Proper documentation of what is being done in code Proper documentation of requirements and changes to them Last but not the least, implementing the design via object oriented code where appropriate Did I miss anything? Would love to hear any mistakes that you have learned from in your project experiences. What went wrong, what could have been done better. Thanks for taking the time..

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  • How is architectural design done in an agile environment?

    - by B?????
    I have read Principles for the Agile Architect, where they defined next principles : Principle #1 The teams that code the system design the system. Principle #2 Build the simplest architecture that can possibly work. Principle #3 When in doubt, code it out. Principle #4 They build it, they test it. Principle #5 The bigger the system, the longer the runway. Principle #6 System architecture is a role collaboration. Principle #7 There is no monopoly on innovation. The paper says that most of the architecture design is done during the coding phase, and only system design before that. That is fine. So, how is the system design done? Using UML? Or a document that defines interfaces and major blocks? Maybe something else?

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  • User generated content: a basic yet simple to use OR a complex yet powerful solution?

    - by ne5tebiu
    As stated above, which solution is better for a game based on user generated content? The simple solution (in-game editor) is great for gamers without experience in coding and etc. In this way every player could populate the game with content. But the content would be very limited. The complex solution would allow the content to be with almost no limitation but casual gamers probably couldn't make hardly any content at all. If both solutions are used, the quality behind the second solution would be more valuable than the first solution's quantity. However, making a powerful in-game editor could even take more time and manpower than the actual game and every gamer would have to learn how to use the new complex tool, understand it, and master it if he or she wants to make quality content.

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  • A Trio of Presentations: Little Wonders, StyleCop, and LINQ/Lambdas

    - by James Michael Hare
    This week is a busy week for me.  First of all I’m giving another presentation on a LINQ/Lambda primer for the rest of the developers in my company.  Of Lambdas and LINQ View more presentations from BlackRabbitCoder Then this Saturday the 25th of June I’ll be reprising my Little Wonders presentation for the Kansas City Developers Camp.  If you are in the area I highly recommend attending and seeing the other great presentations as well.  Their link is here. Little Wonders View more presentations from BlackRabbitCoder Finally, this Monday the 27th I’ll be speaking at the Saint Louis .NET Users group, giving my Automating Code Standards Using StyleCop and FxCop presentation.  If you are in the Saint Louis area stop by!  There’s two other simultaneous presentations as well if they’re more suited to your interests.  The link for the SLDNUG is here. Automating C# Coding Standards using StyleCop and FxCop View more presentations from BlackRabbitCoder Tweet Technorati Tags: C#,.NET,LINQ,Lambda,StyleCop,FxCop,Little Wonders

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  • Create software without programming

    - by Hafizul Amri
    Is there any system or software that can let you create a system or software without have to do programming? UPDATE: Answering to Kennethvr question. Software that I mean is like a web-based software that used to create a simple CRUD system such contact management system, and you can choose how data will be displayed. UPDATE I have found PHPRunner software. It can create a simple CRUD system without you need to touch your coding. Take a look at it!

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