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• How can I create dynamically updated views in a tab bar view, based on settings selection?

  - by Diggers

  Hi all, Noob question.... I've created a Tab Bar application. It has four tabs and works fine. Each view is created with a XIB and is effectively static. Each view takes user input and responds on screen. What I need to be able to do is change the input options the user have - in effect remove some UITextFields dependant upon which option the user selects in settings. I've created root.plist and created settings no problem i've also created additional XIBS for the altered UI, but what I don't know how to do, is call these into the tab view controller on demand. Effectively tab one has 3 possible views, tab two 3 possible views etc. But I only want the one that's relevant for the users settings selction to be displayed? Make sense? For reference, if we call the different views - UIInputViewA1, ...A2,....A3 UIInputViewB1,....B2....B3 etc. Hope someone can help, been trawling the net for nights trying to get my head round this. Beggining iPhone Development Bible doesn't help either. If you need any more info, please shout. Cheers Paul.

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• SQL - query inside NOT IN takes longer than the complete query ??

  - by Aleksandar Tomic

  Hi every1, I'm using NOT IN inside my SQL query. For example: select columnA from table1 where columnA not in ( select columnB from table2) How is it possible that this part of the query select columnB from table2 takes 30sec to complete, but the whole query above takes 0.1sec to complete?? Shouldn't the complete query take 30sec + ? BTW, both queries return valid results. Thanks! Answers to Comments Is it because the second query hasn't actually completed but has only returned back the first 'x' rows (out of a very large table?) No, the query is completed after 30 seconds, not to many rows returned (eg. 50). But @Aleksandar wondered why the question congaing the performance killer was so fast. my point exactly Also how long does select distinct columnB from table2 take to execute? actually, the original query is "select distinct...

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• How do I handle a user story that I complete, but with compromise and need to revisit?

  - by ProfK

  I have just fulfilled (is that a good term?) two user stories out of a new project backlog I have just built. These are user registration and password reset, both requiring mail. I need to implement a substitute mail component because my initial choice, and a normally reliable one, wasn't working. Because I was focused on delivering the user stories, not debugging the mail component, I swapped it out to deliver working code at sprint end. Do I now log a new support issue for the mailer, or 're-insert' these stories into the backlog? If I do the latter, am I not introducing too much tech detail into user stories?

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• Bash completion doesn't work, or is ignoring what I've typed; but works for commands

  - by Neil Traft

  Bash completion seems to be ignoring what I've typed (it tries to complete, but acts as if there's nothing under the cursor). I know I saw it work on this machine earlier today, but I'm not sure what has changed. Some examples: cd shows all directories under my current folder: $ cd co<tab><tab> cmake/ config/ doc/ examples/ include/ programs/ sandbox/ src/ .svn/ tests/ Commands like ls and less show all files and directories under my current folder: $ ls co<tab><tab> cmake/ config/ .cproject Doxyfile.in include/ programs/ README.txt src/ tests/ CMakeLists.txt COPYING.txt doc/ examples/ mainpage.dox .project sandbox/ .svn/ Even when I try to complete things from a different folder, it gives me only the results for my current folder (telling me that it is completely ignoring what I've typed): $ cd ~/D<tab><tab> cmake/ config/ doc/ examples/ include/ programs/ sandbox/ src/ .svn/ tests/ But it seems to be working fine for commands and variables: $ if<tab><tab> if ifconfig ifdown ifnames ifquery ifup $ echo $P<tab><tab> $PATH $PIPESTATUS $PPID $PS1 $PS2 $PS4 $PWD $PYTHONPATH I do have this bit in my .bashrc, and I have confirmed that my .bashrc is indeed getting sourced: if [ -f /etc/bash_completion ] && ! shopt -oq posix; then . /etc/bash_completion fi I've even tried manually executing that file, but it doesn't fix the problem: $ . /etc/bash_completion There was even one point in time where it was working for ls, but was not working for cd ... but I can't replicate that result now. Update: I also just discovered that I have terminals open from earlier that still work. I ran source .bashrc in one of them and afterwards completion was broken. Here is my .bashrc: # ~/.bashrc: executed by bash(1) for non-login shells. # see /usr/share/doc/bash/examples/startup-files (in the package bash-doc) # for examples # # Modified by Neil Traft #source ~/.profile # Allow globs to expand hidden files shopt -s dotglob nullglob # If not running interactively, don't do anything [ -z "$PS1" ] && return # don't put duplicate lines or lines starting with space in the history. # See bash(1) for more options HISTCONTROL=ignoreboth # append to the history file, don't overwrite it shopt -s histappend # for setting history length see HISTSIZE and HISTFILESIZE in bash(1) HISTSIZE=1000 HISTFILESIZE=2000 # check the window size after each command and, if necessary, # update the values of LINES and COLUMNS. shopt -s checkwinsize # If set, the pattern "**" used in a pathname expansion context will # match all files and zero or more directories and subdirectories. #shopt -s globstar # make less more friendly for non-text input files, see lesspipe(1) [ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)" # set variable identifying the chroot you work in (used in the prompt below) if [ -z "$debian_chroot" ] && [ -r /etc/debian_chroot ]; then debian_chroot=$(cat /etc/debian_chroot) fi # Color the prompt export PS1="\[$(tput setaf 2)\]\u@\h:\[$(tput setaf 5)\]\W\[$(tput setaf 2)\] $\[$(tput sgr0)\] " # enable color support of ls and also add handy aliases if [ -x /usr/bin/dircolors ]; then test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)" alias ls='ls --color=auto' #alias dir='dir --color=auto' #alias vdir='vdir --color=auto' alias grep='grep --color=auto' alias fgrep='fgrep --color=auto' alias egrep='egrep --color=auto' fi # Add an "alert" alias for long running commands. Use like so: # sleep 10; alert alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"' # Alias definitions. # You may want to put all your additions into a separate file like # ~/.bash_aliases, instead of adding them here directly. # See /usr/share/doc/bash-doc/examples in the bash-doc package. if [ -f ~/.bash_aliases ]; then . ~/.bash_aliases fi # enable programmable completion features (you don't need to enable # this, if it's already enabled in /etc/bash.bashrc and /etc/profile # sources /etc/bash.bashrc). if [ -f /etc/bash_completion ] && ! shopt -oq posix; then . /etc/bash_completion fi

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• Projected Results: Sound project management practices, combined with a complete technology platform, have an immediate and lasting impact on an organization’s bottom line.

  - by Melissa Centurio Lopes

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Article By: Alan Joch, is a business and technology writer who specializes in enterprise applications, cloud computing, mobile computing, and the Web. It’s no secret that complex, large-scale projects need close management controls to ensure that they’re delivered on time and on budget. But now there’s growing evidence that failing to meet these goals can have far-reaching consequences, not only for the reputations and value of individual organizations but also for the tenure of their top executives. Government watchdogs forced one large contractor to suspend a multibillion-dollar defense program—and delay payment receipts—until a better management system was launched to more accurately track spending, project milestones, and other fundamental metrics. Significant delays in the opening of the £4.3 billion Terminal 5 at Heathrow Airport impaired an airline’s operations and contributed to a drop in its share prices. These real-world examples are noteworthy because of the huge financial risks they created. They’re also far from being isolated cases. Research by the Economist Intelligence Unit found that only 11 percent of companies claimed they delivered expected ROI on major capital projects 90 percent of the time or more. In addition, 12 percent of respondents said they achieved planned ROI less than half the time. According to Phil Thornton, lead consultant at the analyst firm Clarity Economics, the numbers demonstrate obvious challenges related to managing risks, accurately predicting ROI, and consistently delivering bottom-line growth for major capital investments “Portfolio management is a path to improve your organization’s competitive advantage. It helps make sure your organization is investing in the right things and not spending its time on things that are not delivering the intended results for the firm.” Read the full article here

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• Does waterfall require code complete before QA steps in?

  - by P.Brian.Mackey

  The process used at a certain company consists of: Create a layout according to some designs made in a web page design tool. (CSS, html) Requirements come in with "functional requirements". These consist of 100's of lines of business directions. E.G. Create a Table on page X. Column1 has numeric data. Column1 is the client code. Column2 is a string...etc. Write code to meet all functional requirements. When all code is checked in, send to QA (which is the BA that wrote the requirements) for inspection, bug finds and change requests. Punt back to developer with a list of X bugs and Y change requests. While bug finds or change requests 0 go to step 4. The agile development environments I have worked in allow, if not demand, early QA inspection and early user acceptance. So, pieces of the program can be refined and redefined before the entire application is in place. Not only that, but the process leaves little room for error or people changing their minds. Instead, those "change requests" come in at the last stage when they do the most damage. And being that a bug-fix's cost increases over time, this is a costly way to write code. I am no waterfall expert. As described, is this waterfall being mishandled in some way? How does waterfall address my concerns?

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• I need to sell an almost-complete MMORPG project. How can I do that?

  - by Tomasz

  I need your help. We have to sell MMORPG at an advanced stage. The game has a unique engine, written on the need for the game, graphics, sound, map editor, web site etc. As it happens in the play mmorpg we can develop the characters, monsters. We can fight with other characters or to establish cooperation in solving the challenges. We can fight using own monsters, or throwing their own cards with spells. Unfortunately we have no idea how to promote the game. Ended fund and I think the whole team surrendered. How can I find a buyer? Where can I find him? Thank you for your help.

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• Virtualbox shared folder mount from fstab fails; works once bootup is complete

  - by Ben

  I've got Ubuntu 13.10 installed in Virtualbox 4.3. The host machine is Windows. I have a couple of Virtualbox shared folders being mounted by /etc/fstab. Until recently this setup worked just fine, but after upgrading from Ubuntu 13.04 and Virtualbox 4.2 (at essentially the same time) the fstab mounting stopped working. I get the following error during boot: An error occurred while mounting /home/benme/Documents. keys:Press S to skip mounting or M for manual recovery Pressing M for manual recovery and then trying to mount manually also fails: root@benme-vb:~# cd /home/benme root@benme-vb:/home/benme# mount Documents /sbin/mount.vboxsf: mounting failed with the error: No such device But if I instead skip mounting during boot, wait for Unity to start and then mount manually in a shell, everything works fine: benme-vb ~ % ls Documents benme-vb ~ % sudo mount Documents [sudo] password for benme: benme-vb ~ % ls Documents # actual file list omitted Note that when I mount manually I'm letting mount take all the options from /etc/fstab, and it works. This suggests to me that it's some sort of timing issue, where Virtualbox isn't "ready" to provide the shared file mounts at the point /etc/fstab mounts are run during bootup. Here's the fstab line, just for completeness: Documents /home/benme/Documents vboxsf uid=benme,gid=benme,dmode=774,fmode=664 0 0 Is there something I can do about this from the Ubuntu side? Or does anyone happen to know more about this from the Virtualbox angle? I've found an old report on the Virtualbox bug-tracker with identical symptoms, but in that case the user had updated Virtualbox without updating their guest additions and resolving that fixed the problem; this isn't happening here, I've definitely got the 4.3 guest additions installed.

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• How can I validate if a 13.10 update was complete?

  - by James

  I attempted to upgrade Ubuntu 13.04 server to 13.10 tonight via the standard linux text console and it had some trouble. Machine boots and displays 13.10, but I am unsure exactly what or how much was successfully upgraded. Is there some command I can run which will validate that all system has all standard binaries upgraded to the 13.10 release? As for the issue .... everything seemed to be going along ok until the screen displayed some kind of menu option regarding local edits to samba config file. There was a prompt requesting root password or ctrl-d to continue, but it would not take any input. From another terminal screen I tried killing the process displaying this samba message, and then some screen/SCREEN processes. The hard drive activity picked up for a while and then all the processes on that pty were gone. As I said, reboot was OK, but I have no idea if everything was upgraded. The machine seems to be acting like normal, except that the upgrade killed my openpvn process which I'll need to reload. Thanks

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• How do I recover tab cycling in Terminal.app?

  - by Grzegorz Adam Hankiewicz

  Today I've noticed that Cmd+} has stopped working for me in Snow Leopard's Terminal.app as a shortcut to cycle to the next tab. Cmd+{ still works. I've gone to the Preferences-keyboard shortcuts and when I try to create a new shortcut pressing Cmd+} I get Cmd+alt+Ç in the window. I get Cmd+alt+´ when pressing Cmd+{ (I'm on a Spanish macbook pro). I've also noticed that I cannot create a custom shortcut for Terminal.app, because it is not in the list of applications I can create shortcuts for, and neither can I add it to the list. How can I debug what is "eating" the cycle right tab shortcut key? I've got sizzling keys plugin, keyboard remapper (for the esc/capslock key) but I've tried disabling them and still didn't recover the terminal shortcut.

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• What packages can i use to unroll a complete store with customer service?

  - by acidzombie24

  I havent bought the server yet (possible VPS) but i am thinking about using linux with apache and mono for asp.net support. I don't know much about this. What packages can i use together to have a store with customer support? What i like is 1) A store to purchase one item (its digital). More may be possible but they are likely to be addons which need the first item. 2) Have the the store send messages to my app which will generate registration key and deliver the digital item. 3) Create an account for that customer on a support site used for tickets 4) A Forum. I'd like a private forum for customers and may want their account to be disabled when their product license has expired. 5) A mailing list. I like non customers be able to subscribe to a list and i'd like to know if any customers are on it so i can send different emails to each if desired. Are there packages that make any of these easy? I dont mind writing glue code if i need to but i havent tried any stores, mailing list, ticket system but have installed a forum once long ago. My mail server will likely be through google apps.

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• Site/Project to convert in Java web pages as it is now with complete functionality, look and feel.

  - by pirzada

  I have completed a web site Surfrainbow using ASP.NET and working fine. Completely dynamic with back-end management and Ajax support. This site has to be 100% same as in Java considering look and feel. Conversion is for learning purpose. I am new to Java and learning it fast. I don't want to know how to learn Java. Just want to know what is needed for this project to work in Java related technologies. Want to know How would you handle this project. My questions are 1 - What technologies I will be needing to make this project like Servlets, JSP, JSF etc? 2 - What is needed for Ajax support. Is JQuery supported :)? 3 - What should be used for MVC? 4 - ASP.NET has master pages to simplify design. Anything like this in Java? 5 - Which IDE is best for Java development. JDeveloper/NetBeans? Anything else you can share. Thanks

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• AJAX driven "page complete" function? Am I doing it right?

  - by Julian H. Lam

  This one might get me slaughtered, since I'm pretty sure it's bad coding practice, so here goes: I have an AJAX driven site which loads both content and javascript in one go using Mootools' Request.HTML. Since I have initialization scripts that need to be run to finish "setting up" the template, I include those in a function called pageComplete(), on every page Visiting one page to another causes the previous pageComplete() function to no longer apply, since a new one is defined. The javascript function that loads pages dynamically calls pageComplete() blindly when the AJAX call is completed and is loaded onto the page: function loadPage(page, params) { // page is a string, params is a javascript object if (pageRequest && pageRequest.isRunning) pageRequest.cancel(); pageRequest = new Request.HTML({ url: '<?=APPLICATION_LINK?>' + page, evalScripts: true, onSuccess: function(tree, elements, html) { // Empty previous content and insert new content $('content').empty(); $('content').innerHTML = html; pageComplete(); pageRequest = null; } }).send('params='+JSON.encode(params)); } So yes, if pageComplete() is not defined in one the pages, the old pageComplete() is called, which could potentially be disastrous, but as of now, every single page has pageComplete() defined, even if it is empty. Good idea, bad idea?

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• how do I disable middle clicking closing a tab in Firefox 3?

  - by Ron Brown

  how do I disable middle clicking closing a tab in Firefox 3?

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• Firefox (on windows) constantly consuming 10% CPU - is there an add-in to find the rogue tab?

  - by tbone

  I often have many Firefox windows open, each with many tabs. Now and then one of the tabs will be running a web page that for some reason consumes lots of resources. Right now, I have a tab somewhere that is constantly consuming 10% of the CPU...which would be fine as my computer can easily handle that (see specs below...all other apps are responsive), but it seems to slow Firefox down....everything, everywhere is extremely laggy in Firefox, I can see pauses while I type this. Is there: - a way I can isolate separate instances (or even tabs) in FF into a separate process, so one rogue tab doesn't bog down FF across the entire system? - maybe an add-in that can either identify tabs consuming lots of CPU, or maybe a way to "shut down" activity on tabs you haven't used in a while? Firefox 3.6.10 Windows 7 Ultimate 64 i7 920 @ 3.6 GHz 12 GB Ram

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• Feature: "Software. Hardware. Complete."

  Oracle finalizes the acquisition of Sun, heralding a new beginning.

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• What can I change/investigate where the install does not complete?

  - by tunist

  I have already successfully installed Ubuntu 10.10 on my laptop and it works fine. I attempted to get my desktop PC to dual boot Windows and Ubuntu but found that neither the 32 or 64 bit install images will boot/install successfully. The startup script locks on 'initializing core #2' (or 1 or 3).. once I saw it say 'ok' at the end but it still locks there. I have tried to change the boot sequence by inserting 'debug' and 'acpi-off' into txt.cfg in both isolinux and syslinux folders but no changes were obvious during the boot.. as far as it got. The pc is built with an abit IP35 motherboard and nvidia 8600GT gfx card. Does anyone have any suggestion of what else I can change to get the install working?

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• Any way to get back Chrome's Dialog box for cache clearing instead of the new tab?

  - by Stuart P.

  As of today's release of chrome (Tuesday, March 8, 2011) on both Mac & PC the settings are now in a tab (chrome://settings/advanced), needless to say when you're clearing your cache very frequently (cmd-shift-delete on mac, cntl+shift+delete on PC) it's quite tedious going back and forth in tabs. The click & clean chrome extension doesn't have a mac counterpart (plus I like the keyboard much more than the mouse). I've searched and have yet to find a way to get a dialog box instead of the new tab.

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• Preview.app only auto-refreshes if you alt-tab to it.

  - by dreeves

  I'm working on a program that generates an image. I can keep the image open in Preview and when the image changes, Preview refreshes it, but only when I alt-tab (sorry, command-tab) to it. I'd like to keep the image in view and have it auto-refresh without touching it. Is that possible? (One ridiculous way I've found to do this is with a script that converts the image to a PDF file which I can keep open in Skim.app (a PDF reader) which has that ability.)

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• What are some tasks you might ask a potential ruby developer hire to complete?

  - by opensourcechris

  I would like to start a career path as a developer. As my first Language I chose Ruby to learn. What are some types of coding I might be asked to do as part of an evaluation at a potential employer? For example on my interview... Employer: "So, you think you can be a programer!" Me: "Why yes sir, I believe I would be a fitting addition to your team" Employer: "Well that remains to be seen! To demonstrate your basic knowledge please code insert evaluation project here What would you have me do to demonstrate my skills?

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• Is there a COMPLETE tutorial for upgrading for dummies?

  - by Windwood Trader

  I have tried upgrading in the past with zero success doing a backup of stuff and futilely attempting to enter my stuff into the new version. My email accounts and folders, my bookmarks and web browser info and of course my photos. In the past I have received messages that the back up files were done using version XXX and cannot be read by the new system, as an example. I need a hand-holding tutorial to go from 11.04 to 12.10. What are the actual step by step mechanics? Frustrated Non-Geek

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• nvidia-package in 12.10 somehow not same like in 12.04 resp. X-lib not complete?

  - by dschinn1001

  Not knowing if this has to do with new kernel-update automatic done by ubuntu 12.10 ? it seems that kernel 3.2 in 12.04 has not these problems with nvidia-drivers ? I tried to install the actual google-earth as deb-package with dpkg -i it seems to be no problem, but when I type command: google-earth in terminal, there comes up the report among else: Xlib: extension "NV-GLX" missing on display ":0". Xlib is installed completely and nvidia-driver is de-installed (then reboot) then re-installed again. the report of google-earth stays the same: Xlib: extension "NV-GLX" missing on display ":0". ubuntu 12.04 was working quite good with google-earth. however: bumblebee seems to be taken out of program ? ( or needs to be re-edited ? ) Don't hurry too quick with solution, I can wait !

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• Should a complete newbie use mongoose js? [on hold]

  - by Squirrl

  I drank from the koolaid and jumped aboard the node.js bandwagon even though I barely know javascript. That said, I have the opportunity to work with one of 2 templates. One is just node, express and mongodb, and the second includes mongoose and jade with the other 3 and is easier for me to understand. Yet I'm concerned that if I begin with mongoose, I'll be too high level and miss some of the fundamentals. Is my concern warranted? Should I work my way up or should I just start playing with all the toys from day one?

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• How can I get a complete list of non-standard repositories in use?

  - by MagicFab

  While doing some support audits I'd like to know what would be the most efficient/compact way to get a list of all extra reporitories being used on a given Ubuntu workstation using command line (not via the GUI tools). So far I am using: diff'ing a standard sources.list file against the workstation's examining files under cat /etc/apt/sources.list.d Any other ideas on how to best go about this ?

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• Which topics do I need to research to enable me to complete my self-assigned "Learning Project"?

  - by Anonymous -

  I want to continue learning C#. I've read parts of a few books recommended on here and the language is feeling more familiar by the day. I'd like to tackle a mid-sized personal project to take my expertise to the next level. What I'd like to do, is create an application that 'manages expenses', that runs on multiple machines on a LAN. So for example, say we have person1 and person2 on seperate machines running the application, when person1 enters an expense, it will appear on person2's (pretty UI) view of the expenses database and vice versa. What topics do I need to research to make this possible for me? I plan on learning WPF for the UI (though the steep learning curve (or so I'm told) has me a little anxious about that at this stage. With regards to the database, which database would you recommend I use? I don't want a 'server' for the database to run on, so do I need to use an embedded database that each client machine runs a copy of that updates to each other (upon startup/entering of expense on any machine etc)? What topics under networking should I be looking at? I haven't studied networking before in any language, so do I need to learn about sockets or?

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