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• Which programming paradigm or language open most your mind?

  - by Dom De Felice

  It is often said that some programming languages exist that once grasped can open your mind and change the way you write software. A sort of "software design enlightenment", we can say. I heard this about Lisp, Smalltalk, Haskell, pure functional programming in general.. What are your experiences about this? I know that the right language to use depends on your needs, but I would like to know the one that better improve your programming skills in general. What do you think would be the best language/paradigm to learn to end up being a better programmer in the long run?

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• C++0x implementation guesstimates?

  - by dsimcha

  The C++0x standard is on its way to being complete. Until now, I've dabbled in C++, but avoided learning it thoroughly because it seems like it's missing a lot of modern features that I've been spoiled by in other languages. However, I'd be very interested in C++0x, which addresses a lot of my complaints. Any guesstimates, after the standard is ratified, as to how long it will take for major compiler vendors to provide reasonably complete, production-quality implementations? Will it happen soon enough to reverse the decline in C++'s popularity, or is it too little, too late? Do you believe that C++0x will become "the C++" within a few years, or do you believe that most people will stick to the earlier standard in practice and C++0x will be somewhat of a bastard stepchild, kind of like C99?

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• What did they program this toy with?

  - by Trix

  A rather strange question: I'm often asking myself with what programming languages things were created. I recently found this toy mini computer I played with when I was 13 or so at home. (Note: It is not one of those toy "notebooks", it's really small and came as an extra with a magazine) "Features": Hadware: LCD with a small field of pixels where the games were going on, besides that some stats such as score, highscore etc. Sounds and horrible music when started A really small "keyboard" with a wire Software: At least 14 or so games, from Snake over Tetris and Breakdown to some abomination of a car racing game A calculator Game selecting menu An alarm clock Inside there is a really small circuit board, I don't want to open the thing up now, though. Can you imagine if the games and "Operating System" of this thing where actually programmed using a language? If yes, what language could it be? If not with a programming language, how else was it created?

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• jquery specific show buttons on hover

  - by bob

  I have an application creating a bunch of divs through a loop. Each div has the class "product" so it looks like <div class="product"> !.....stuff here ....! <div class="show_on_hover">...buttons here... </div> </div> so there are about 12 of these same divs per page. I would like to hover over a specific one and show the specific "show_on_hover" div which is initially set to display:none. $('.product').hover(function() { $(.show_on_hover).show(); }, function () { $(.show_on_hover).hide(); } ); That is what I have so far but it will show ALL of the .show_on_hovers on the page so I am wondering how to get only the specific one you have moused over to show. This effect is seen on youtube when you mouseover any of the comments, and some comment tools pop up. Thanks!

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• Aside from performance concerns, is Java still chosen over Groovy/JRuby etc.?

  - by yar

  [This is an empirical question about the state-of-the-art: I am NOT asking if Java is cooler or less cool than the dynamic languages that work in the JVM.] Aside from cases where performance is a main decision factor, do companies/developers still willingly chose Java over Groovy, JRuby or JPython? Personal Note: The reason I am asking is that, while I do some subset of my professional work in Ruby (not JRuby, for now), in my personal projects I use Java. While I have written non-trivial apps in Groovy, I prefer Java, but I wonder if I should just get over it and do everything in Groovy. I like Java because I feel that static typing saves me time and aids refactoring. (No, I am not familiar with Scala.) However, I feel that this very empirical, on-topic programming question may inform my decision.

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• Right programing language for developing application for Mac

  - by drasto

  I'm planing to buy Mac. I would like to be able to develop GUI aplication for Mac as well. Currently I develop in C# using VisualStudio as IDE. I also know Java and I'm familiar with NetBeans IDE. Application created in both of this languages can run on Mac (as can NetBeans IDE) but I was told that neither C# nor Java is recomended for MacOS X development. So what language is recomended for MacOS X development ? I guess there is some recomodation from Apple for the developers ? I would prefer Object-oriented easy-to-use programing language (nothing like C) with good IDE that supports GUI creating (GUI designer). Thank you for answers

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• Whats the most useful programming language?

  - by Sebi

  I know this question was here a lot of times and can't be answered at all, but im not looking for a single name, but rather for an advice in my situation. I learned programming with Java and now I'm developing in Java for more or less 5 years (at the university) and I thinks my programming skills their are really ok/average. I have also small experience in C/C++ and C#. Now I have some spare time and I'd like to learn a new language or deepen the knowledge of Java/C/C++. But how to choose the right language to learn? I'd like to learn a language which will be usefull in the future concerning working in a software development business? I know there is no single answer, but I'm sure you could mention some languages that are more usefull than others.

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• What to do with someone who can only use "the one true language"?

  - by Rob Wells

  G'day, How do you work with someone when they haven't been able to see that there is a range of other languages out there beyond "The One True Path"? I mean someone who hasn't grown up to realise that the modern software professional has a range of tools in his toolbox. Someone who has a well-equipped toolbox and then selects the best tool for the job at hand. The person who's knee jerk reaction is, for example, "We must do this is C++!" "Everything must be done in C++!" What's the best approach for these people? How do you open them up to the fact that "not everything is a nail." cheers,

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• Learn another useful programming language [closed]

  - by Sebi

  I know this question was here a lot of times and can't be answered at all, but im not looking for a single name, but rather for an advice in my situation. I learned programming with Java and now I'm developing in Java for more or less 5 years (at the university) and I thinks my programming skills their are really ok/average. I have also small experience in C/C++ and C#. Now I have some spare time and I'd like to learn a new language or deepen the knowledge of Java/C/C++. But how to choose the right language to learn? I'd like to learn a language which will be usefull in the future concerning working in a software development business? I know there is no single answer, but I'm sure you could mention some languages that are more usefull than others.

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• Printer Management in AD Domain

  - by Untalented

  Hello, I normally push out all my printers via group policy preferences. However, the new copy machines I have are using some stranger drivers and I can not install x64/x86 drivers on the same machine for my clients to pull drivers from. So now I have two machines setup with the printer so they can pull drivers. Ontop of this there is specific driver configuration settings such as requiring the user to enter an access code to print set. Once the printer is installed via GPP, it puts everything to the default such as color mode, and other custom settings we like. I considered just using a Windows Print Server for this, but I do not know a way to push/delete these from clients like I can with GPP. Does anyone know how I can have a GPP copy the custom configuration I have set in the driver or have any recommendations?

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• apache2 force proxy for specific url on a subdomain

  - by Tony G.

  Hi, I have a site that has dynamic virtual subdomains using mod_rewrite, as defined like this: <VirtualHost *:80> ServerName example.com ServerAlias *.example.com DocumentRoot /var/www/example.com/www RewriteEngine on RewriteCond %{HTTP_HOST} ^[^.]+\.examle.com$ RewriteRule ^(.+) %{HTTP_HOST}$1 [C] RewriteRule ^([^.]+)\.example.com(.*) /var/www/example.com/$1$2 </VirtualHost> The problem is that I want a specific url, say subdomain.example.com/CONTROL/ to point back to www.example.com/ using a proxy (not url redirecting). I have tried adding: RewriteRule ^([^.]+)\.example.com/CONTROL(.*) /var/www/example.com/www$2 [P] But that didn't work. Any ideas?

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• Limiting software installation to specific user(s)

  - by Isxek

  Is there a way to limit software installation to one particular user or to a specific set of users only? In some software installers, this is available as an option, but in most cases the software just gets installed on all user profiles. I'd like to know if there's a way to prevent that. This will be for computers running Windows XP, Vista, and 7. If anybody can point me to a related SU topic or a link, it will be much appreciated :) (Been searching for something like this for weeks already.)

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• Monitor-Specific Color Profile Results In Yellow Grayscale Images

  - by Zian Choy

  I recently purchased a new Acer S201hl monitor. Many lay reviews compliment its color accuracy with people noting only a bit of a blueish tinge. After a little time, Windows found, and I installed, the Acer drivers via Microsoft Update. During the installation process, the software installed an ICC profile for the monitor from Acer. I recently noticed that when I view photos using Windows Live Photo Gallery, the colors are wrong. For example, grayscale document scans appear with yellow backgrounds instead of white backgrounds. This happens with both my external monitors and my ThinkPad's built-in screen. When I removed the monitor-specific profile from the list of profiles associated with a monitor (for example, removing the Acer profile from the Acer monitor), the problem went away for that screen. I checked with Microsoft KB939395 and though it says "an incorrect color profile [...] is used for the monitor," the profile associated with my ThinkPad's screen seemed to be correct, based on its name.

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• UDP packets to IP addresses other than specific ones not arriving and not shown in Wireshark

  - by Max

  I'm writing a service using UDP, but I can't manage to reply to the client. When sending to the client via the DHCP-assigned IP (192.168.1.143) Wireshark shows no sent packets. The server receives and Wireshark shows any packet sent by the client (broadcasted). If I send to a random, unassigned IP Wireshark doesn't show it. I thought the NIC would happily send it, since there is a router in the way - shouldn't Wireshark show it, even though it cannot possibly be received by a remote endpoint? If I send to either the router IP or another (specific, there is only one other) computer, the packet is shown in Wireshark. I am running Windows 7, the firewall is turned off using the control panel. Does the fact that wireshark doesn't show these packets mean that they aren't sent? What reason could there be for showing packets to one IP, but not another, on the same subnet?

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• Getting rid of site-specific hotkeys

  - by ZyX

  How do I disable site-specific hotkeys if (and only if) they are already mapped in Opera? For example, I use <C-b> instead of <Right> and <C-h> instead of <BS>. On Stack Overflow/Super User they produce **strong text** and ## Heading ## respectively. I do not want this happen. I can examine Super User/Stack Overflow/some_other_site's javascript and write a userjs to do the job, but this method is not universal. I'm using Opera-10.51_pre6252 in Gentoo Linux.

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• Using Automator to click on an Application-specific button

  - by Roberto Aloi

  I'm new to Automator. I need to launch a specific application and to click on one of its buttons. I've used the "Watch Me Do" feature to register the button click but, in the Automator events log, this action is being reported as "Bring the window XXX to the front." I'm then wondering if a better way exists to "record" a button-click. The reason behind my question is linked to this: http://superuser.com/questions/148386/mac-running-an-automator-task-at-night In fact, using the "Watch me do" approach, Automator is apparently not able to perform the click action when the machine is on sleep and a password is required. Any help would be much appreciated. Thanks.

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• "Target the specific user you will be using and assign it user id 0/group 0"

  - by Jeremy Holovacs

  I am trying to virtualize an Ubuntu machine using VMWare vCenter Converter, but ran into permissions issues. I followed the instructions of part 1 and 2 on this page but when I got to "For Ubuntu operating systems further configuration is needed" I started running into trouble. I'm decent at Linux, but I'm not an experienced sysadmin. How do I Target the specific user you will be using and assign it user id 0/group 0? How do I Ensure that you also still enable Allow root to ssh even though you are not using the root account? Thanks for your help.

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• Retrieving a specific value from “df -h” using shell

  - by diegodias

  When I use df -h, I get the following output: Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 59G 2.2G 54G 4% / /dev/sda1 122M 38M 78M 33% /boot tmpfs 1.1G 0 1.1G 0% /dev/shm 10.10.0.105:/somepath 11T 8.4T 2.1T 81% /storage4 10.11.0.101:/somepath 15T 8.9T 5.9T 61% /storage1 /dev/mapper/patha 5.0T 255G 4.8T 5% /storage5_vol0 /dev/mapper/pathb 5.0T 195G 4.9T 4% /storage5_vol1 /dev/mapper/pathc 5.0T 608G 4.5T 12% /storage5_vol2 I want to write a script that gets the value of Avail column on a specific storage. I used to use df -k /storage_name | tail -1 | awk '{print $3}' But the FileSystem column can have a value or not .. which would change the variable of my script from $3 to $4. How can I get the Avail on a single command line even if there are no values on the previous columns?

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• Forwarding email in a specific folder only

  - by Ian

  I ran across a post on Super User that addressed a question about Outlook email forwarding. One user provided a script to utilize. Sub AutoForwardAllSentItems(Item As Outlook.MailItem) Dim strMsg As String Dim myFwd As Outlook.MailItem Set myFwd = Item.Forward myFwd.Recipients.Add "[email protected]" myFwd.Send Set myFwd = Nothing End Sub This worked good for me, but how would it work if I want to just automatically forward email in a specific folder only? The folder already has email auto directed to it upon receipt. Any ideas?

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• Using SQL Server specific code in Access linked to SQL Server database

  - by Brennan Vincent

  Hi, I have an access file that is linked (through an ODBC connection) to a SQL Server 2008 database. I am trying to write some reports against this database. However, Access chokes when I write the select query of the report with SQL syntax specific to SQL Server that doesn't exist in access. Shouldn't this work, since it's the SQL Server engine running the queries and just sending the data back to Access to display? Is there any way to get this to work? Need this to work on any combination of Access 2007 and 2010, and SQL Server 2005 and 2008. Edit Note: I cannot create a SQL Server stored procedure or function, or otherwise modify the original (SQL Server) schema in any way.

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• Using NOPASSWD for specific commands in sudoers file, PASSWD for all others

  - by jberryman

  I would like to configure sudo such that users can run some specific commands without entering a password (for convenience) and can run all other commands by entering a password. This is what I have, but this does not work; a password is always required: Defaults env_reset Defaults timestamp_timeout = 1 root ALL=(ALL:ALL) ALL # Allow members of group sudo to execute any command %sudo ALL=(ALL:ALL) NOPASSWD: /usr/sbin/pm-suspend, /usr/bin/apt-get, PASSWD: ALL #includedir /etc/sudoers.d Note that this is a debian system which uses this adding users to the "sudo" group method. Thanks.

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• How to ban fans from a specific country - Facebook

  - by Lukas

  my question is kind of weird, because i want thousands of fans to dislike my page! Since this is not a common problem I hardly can find anything about it! my facebook page just got spammed with thousands of "fans" from a specific country. When I set a coountry restriction for that country, will the fans be banned and the number of fans be the same as before the spam-attack? I really need to get rid of those fans. I already restricted that country and facebook actually updated the chart where I can see where my fans are coming from. So fb knows that I have those "fans", but the number of likes remains the same... Any idea? It is not possible to ban every fan 1 by 1 because I can only see the last 100 fans.

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• Can't connect to YouTube from specific network

  - by Tyilo

  Using my current network, I am unable to connect to http://www.youtube.com/. It doesn't matter what browser I use or if I use a cli-command (wget, curl). Error in Google Chrome: Oops! Google Chrome could not connect to www.youtube.com Error using curl: curl: (7) couldn't connect to host If I use nslookup to get the IP-address of YouTube, I get 173.194.32.32. If I go to http://173.194.32.32/ in my browser it can connect, but as Google is probably checking the Host HTTP-header, it shows Google's frontpage instead. There is no blocked websites on the router and other devices on the network seems to work. My computer only has this problem on this specific network. I am using Mac OS X 10.8.2 on a MacBook (mid 2009).

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• How can I scrape specific data from a website

  - by Stoney

  I'm trying to scrape data from a website for research. The urls are nicely organized in an example.com/x format, with x as an ascending number and all of the pages are structured in the same way. I just need to grab certain headings and a few numbers which are always in the same locations. I'll then need to get this data into structured form for analysis in Excel. I have used wget before to download pages, but I can't figure out how to grab specific lines of text. Excel has a feature to grab data from the web (Data-From Web) but from what I can see it only allows me to download tables. Unfortunately, the data I need is not in tables.

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• Disabling networkmanager for a specific interface

  - by bdonlan

  I'd like to do some experimentation with hostap without disabling my primary wireless interface. How do I tell networkmanager to keep its hands off a specific interface or interfaces while allowing it to continue managing all other interfaces normally? I'm using Ubuntu 9.04. (Wasn't sure if this should go on superuser or serverfault, as networkmanager isn't much of a 'server' tool - if it belongs on serverfault please feel free to move it) Edit: I've tried adding this to /etc/network/interfaces: allow-hotplug wlan2 iface wlan2 inet static address 192.168.49.1 netmask 255.255.255.0 But this has no apparent effect, even after restarting NetworkManager. Here's my /etc/NetworkManager/nm-system-settings.conf: [main] plugins=ifupdown,keyfile [ifupdown] managed=false Edit[2]: Looks like I needed to restart nm-system-settings, then NetworkManager.

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