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  • Effective books for learning the intricacies of business application development?

    - by OffApps Cory
    I am a self taught "developer". I use the term loosely because I only know enough to make myself dangerous. I have no theory background, and I only pick up things to get this little tool to work or make that control do what I want. That said, I am looking for some reading material that explains some of the theory behind application development especially from a business standpoint. Really I need to understand what all of these terms that float around really talk about. Business Logic Layer, UI abstraction level and all that. Anyone got a reading list that they feel helped them understand this stuff? I know how to code stuff up so that it works. It is not pretty mostly because I don't know the elegant way of doing it, and it is not planned out very well (I also don't know how to plan an application). Any help would be appreciated. I have read a number of books on what I thought was the subject, but they all seem to rehash basic coding and what-not. This doesn't have to be specific to VB.NET or WPF (or Entity Framework) but anything with those items would be quite helpful.

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  • need a project design tool

    - by santosh
    I am looking for simple and easy to use tools through which I can get project's visual picture of folder/file tree stucture , its classes, functions and objects, relations between classes and files.

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  • Creating a dummy design before the development starts

    - by NLV
    Hello How can i create a dummy design of an application before the actual development starts? How to simulate the UI of the application. After completing the analysis phase do i need to start the design directly using dev tools or can i create some dummies (even images, using Visio or something) with other tools? Thank you

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  • Maximum number of files in one ext3 directory while still getting acceptable performance?

    - by knorv
    I have an application writing to an ext3 directory which over time has grown to roughly three million files. Needless to say, reading the file listing of this directory is unbearably slow. I don't blame ext3. The proper solution would have been to let the application code write to sub-directories such as ./a/b/c/abc.ext rather than using only ./abc.ext. I'm changing to such a sub-directory structure and my question is simply: roughly how many files should I expect to store in one ext3 directory while still getting acceptable performance? What's your experience? Or in other words; assuming that I need to store three million files in the structure, how many levels deep should the ./a/b/c/abc.ext structure be? Obviously this is a question that cannot be answered exactly, but I'm looking for a ball park estimate.

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  • Django and a referrer system question

    - by Hellnar
    Hello, I am trying develop a basic referrer system to my Django website, system will be generating a unique url for each users to share with their friends. Once these friends enter this website, system somehow keep the data that "this user is browsing by the reference of X user" and once this invited person decided to register for an account, system will save this information (maybe as an extra Foreign Key of the inviting user in the UserProfile model) Now how can I keep track of the inviting user from the moment entering using the referred link to the point where he/she registers to the site. Would session framework work on this? If not how could this be done ?

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  • What notes should I be taking, if any, at the beginning of a project?

    - by Justin R.
    I was recently asked by a Team Leader (not mine) if I would be willing to undertake a programming project. The members of his team are currently pre-occupied with other more important projects. I graduated college two years ago, and up until now programming has only been a hobby of mine. Recently I decided that I would like to pursue a career in software development. I accepted his offer so that I can gain some real-world experience and start building a portfolio. In about an hour I'm scheduled to meet with the Team Leader to discuss the details of what he needs. From a short e-mail exchange with him, I know that the base project is to update an existing ASP.NET form—but I also think there's more to it than that. Considering that I'd like to eventually put this project in a portfolio, what kinds of notes should I take at the meeting?

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  • When to rewrite vs. upgrade?

    - by MrGumbe
    All custom legacy software needs changing, or so say our users. Sometimes they want a feature or two added and all that is necessary to change a bit of code, add a control, or some other minor upgrade task. Sometimes they want to ditch their error-prone VB5 desktop solution and rewrite the whole thing as a rich Web 2.0 ASP.NET MVC application. More often, however, the scope of changes to legacy functionality lies somewhere between these two extremes. What rules of thumb to you use to decide whether you should upgrade an existing application or start from scratch?

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  • Capacity Allocation

    - by user1708730
    I am new to VB in Excel. I have a unique requirement for capacity allocation which I want to automate using excel VB and facing hard time doing so, hope you can help. The objective is to maximize profit by allocating maximum capacity to those products which have highest profit potential first. Every Month I get demand along with backlogs of previous month. I need to allocate capacity to backlogs of previous month first and then only the remaining capacity for fresh demand. There are two primary constraints: 1.The number of working days in a month (variable) 2. Not all products can be made on every production line and out of same product may be different for each production line Also there will be losses whenever there is a change over from one SKU to another depending upon the Variant Type and size of next product. If there is variant change then 8 hours of production loss needs to be accounted and 4 hours in case of size change(8 hours in case of both). I have attached sample data(Actual data has 10 production lines and 50 products) https://rapidshare.com/files/1822719405/Sample%20Data.xlsx?bin=1 Thanks in advance for help!

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  • Is it a good idea to apply some basic macros to simplify code in a large project?

    - by DoctorT
    I've been working on a foundational c++ library for some time now, and there are a variety of ideas I've had that could really simplify the code writing and managing process. One of these is the concept of introducing some macros to help simplify statements that appear very often, but are a bit more complicated than should be necessary. For example, I've come up with this basic macro to simplify the most common type of for loop: #define loop(v,n) for(unsigned long v=0; v<n; ++v) This would enable you to replace those clunky for loops you see so much of: for (int i = 0, i < max_things; i++) With something much easier to write, and even slightly more efficient: loop (i, max_things) Is it a good idea to use conventions like this? Are there any problems you might run into with different types of compilers? Would it just be too confusing for someone unfamiliar with the macro(s)?

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  • How do I supply values to an referenced assembly without calling a method it explicitly?

    - by Rob
    Currently I have a static class that I use as my logging module. I’ve added the class to my visual studio solution. Within the class I’ve specified the name and location of the log file to use. Which lets me do stuff like this – which I like and want. Logger.Information(“Page_Load”,”controls loaded correctly”); I’d like to refactor the code and move the logging functionality into a separately compiled assembly, if I did this I would then need to pass in the log file name and location to save the files too. However I don’t want to have to supply this information every time I call the ‘Logging’ method, this would be bad... Logger.Informtaion(“Page_Load”,”controls loaded correctly”,”logfile.txt”,”c:\temp”); Is there any way I can supply this information without having to specify it within each page or via the method call.

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  • Help Needed Finding a Programmer

    - by ssean
    Good Morning, I am trying to find a programmer to code a piece of custom software for my business. I plan on using this software to manage my business, and possibly sell it to other companies (in the same industry) at a later date. I've never hired a programmer before, so I'm not sure what to expect or where to begin. I know exactly what features I need, and how I want it laid out, I just need someone who can take my ideas and make it happen. This software will be used to manage customer information, and keep track of orders. What I think I need: * SQL Server or similar database that will be located at our office. * Desktop Application, that connects via LAN to the database server (cannot be browser based) * Multiple User Support (Simultaneous users accesing the system) * Needs to be scalable (currently we have 5 employees, but who knows what the future will bring) * Multi-Platform Support (Windows, Linux) I posted a job offer through elance, which seems to raise more questions than answers. How do I decide what language(s) will work best for my situation? (I have received offers for C#, Eclipse, .NET, Powerbuilder, etc. - I want to make sure that I choose the best one now, so I don't run into problems later) Does the programmer hold any rights to the software? (I plan to offer the software for sale at a later date) Any help or insight would be appreciated, and I'd be happy to clarify anything if it helps. Thanks in advance!

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  • How to decrease front end development time in a company/team environment?

    - by metal-gear-solid
    How to decrease front end development time in a company/team environment? My company is asking to suggest idea to make front end development process faster? Some points I realized main problem is client never provide right information at first time and many front end developer works on same project on same CSS so everyone makes his own method sometimes. It increase time of process. Graceful degradation and progressive enhancement both takes time to think and development. should we think about it? it increase the project cost. How to judge time estimation by just seeing a PSD for to make PSD in Cross browser Compatible XHTML CSS. Most of the time I always give less time then then takes more time. Any other suggestions to improve work efficiency in a team (50 people) environment?

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  • Setting up WiFi extenders... is it possible to daisy-chain them?

    - by Bigbio2002
    At a location with limited cabling, I've had to set up WiFi signal extenders to cover the whole area. Here is a crude diagram... Internet - WiFi/Gateway - Extender 1 - Extender 2 | | PC (ethernet) WiFi device I was able to successfully daisy-chain three together, and I can access the internet from WiFi devices connected to the farthest extender. Is this a supported configuration? If not, what kind of issues can arise from it? The reason why I ask is that the PC keeps reporting IP address conflicts, and I'm wondering if that's caused because of the way this is configured. Additionally, I noticed that the extenders named their own SSID similar to the one they are connected to, but with a suffix. Would there be any issue in naming them all with the same SSID, to enable seamless roaming as you would with multiple standalone APs?

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  • Is there a suitable chain for iptables when eth is in Promisc mode?

    - by user1495181
    I have a fron-end machine. Machine have2 eth cards. I want to use netfilter queue to do some checks on the packets. I set eth like this: ifconfig eth0 0.0.0.0 promisc up ifconfig eth1 0.0.0.0 promisc up I want to have an iptable rule like this(only example): iptables -A INPUT -i eth0 -j LOG --log-prefix " eth0 packet " but the packet is no passed through the iptables ,because it dosnt target to this MAC. Promisc mode didnt help. I saw that there is a way to add iptables chain for PROMISC, but need compilation... Is there any simplier way to have iptables rule when packet is not target to this eth. Currently i bypass this by creating a bridge between 2 eth and put rule on the FORWARD, but i done want to create bridge.

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  • how is a macro expanded in clojure?

    - by john wang
    In the book Programming Clojure(Stuart), when read how macros are expanded I got confused. user=> (defmacro chain ([x form] (list '. x form)) ([x form & more] (concat (list 'chain (list '. x form)) more))) #'user/chain The above macro can be expanded as: user=> (macroexpand '(chain a b c)) (. (. a b) c) But the following is only expanded to the first level: user=> (macroexpand '(and a b c)) (let* [and__3822__auto__ a] (if and__3822__auto__ (clojure.core/and b c) and__3822__auto__)) The and macro source: user=> (source and) (defmacro and([] true) ([x] x) ([x & next] `(let [and# ~x] (if and# (and ~@next) and#)))) Why is the chain macro expanded all the way but the and not ? Why is it not expanded to something like the following: user=> (macroexpand '(chain a b c d)) (. (chain a b c) d)

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  • Planning to buy a server with at least 48GB Ram, are the blades way to go?

    - by varchar1
    We're planning to host our website for the first time for ourselves. We have currently have a linode of 8 gigs and the memory is going up to 90% most of the time. So I want to move my website to my own server with huge RAM. So this will be first time to manage any physical hardware of a server. So I came across IBM's BladeCenter, found them interesting. So can I just buy the blade and run it? Or do I have to buy the chassis for sure? Also, do I need to buy an UPS? So how hard is it to setup? How about the hard drives? Can I setup them easily? Please advice.

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  • How to manage preventive maintenance planning for external IT support?

    - by code-gijoe
    I am a bit puzzled by the way to handle server upgrade planning for software we maintain on remote sites. This is my case: I work for a software company that has many external clients. We are trying to be more Agile in our development so we plan to release small improvements every quarter and we wish to keep our clients informed of maintenance schedules. Instead of having angry clients that believe there ROI of our support plan is low, we want to be more proactive. Lets say we have 100 machines to take care of, is there some tool to assist me in planing the maintenance with clients? Right now I get a call from a client that is unhappy requesting we upgrade them, that is when we go into panic mode and start making calls. That is when I need to check my calendar, coordinate with the other guys, call a few times, change the date again and again until everyone is happy. Can this be done better?

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  • How do I make custom functions chain-able with jQuery's?

    - by sergio
    I need a "callfront" or "precall" (the opposite of "callback" ¿?) to add in MANY places before an animation occurs in an existing plugin, To be used like e.g. $(some_unpredictable_obj).preFunct().animate(… The problem is, as I said they are MANY places, and all of them are different animations, on different objects. I can TELL where all of them occur, but I don't want to add over and over the same code. I actually have to add both a function before and after those animations, but I think I can use the callback for all of them. In a perfect world, I'd like to replace every animate(property, duration) by preFunct().animate(property,duration).postFunct() preFunct and postFunct don't need parameters, since they are always the same action, on the same object. This could be an amazing addition to "jQuery" (an easy way to jQuerize custom functions to be added to the normal chain (without messing with queues) I found this example but it will act on the applied element, and I don't want that because, as I said above, all the original animations to be added to are on different elements. I also found jQuery.timing, but it looks cooler the chain-able function :) Thanks.

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  • How iptables behaves on timezone change?

    - by pradipta
    I have doubt how iptables keep changing the info in iptables when timezone is change. I am using iptables s v 1.4.8 I have blocked one IP with following details # date Thu Jun 6 12:46:42 IST 2013 #iptables -A INPUT -s 10.0.3.128 -m time --datestart 2013-6-6T12:0:00 --datestop 2013-6-6T13:0:00 -j DROP # iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination DROP all -- 10.0.3.128 anywhere TIME starting from 2013-06-06 12:00:00 until date 2013-06-06 13:00:00 Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination But after I change the timezone following things happened automatically . AFTER TIME ZONE CHANGE +++++++++++++++++++++++ #date Thu Jun 6 15:17:48 HKT 2013 # iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination DROP all -- 10.0.3.128 anywhere TIME starting from 2013-06-06 14:30:00 until date 2013-06-06 15:30:00 Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination # The time value is changed in the rule . It is changing with the timezone how. Where iptables keeps track of timezone. Kindly explain me.

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  • Server Firewall preventing sending of email [migrated]

    - by Jo Fitzgerald
    The firewall on my VPS appears to be preventing my site from sending email. It was working fine until the end of last month. My hosting provider (Webfusion) has been next to useless. I am able to send email if I open INPUT ports 32768-65535, but not if these ports are closed. Why would this be? I have the following rules in my firewall: # sudo iptables -L Chain INPUT (policy DROP) target prot opt source destination VZ_INPUT all -- anywhere anywhere Chain FORWARD (policy DROP) target prot opt source destination VZ_FORWARD all -- anywhere anywhere Chain OUTPUT (policy DROP) target prot opt source destination VZ_OUTPUT all -- anywhere anywhere Chain VZ_FORWARD (1 references) target prot opt source destination Chain VZ_INPUT (1 references) target prot opt source destination ACCEPT tcp -- anywhere anywhere tcp dpt:www ACCEPT tcp -- anywhere anywhere tcp dpt:https ACCEPT tcp -- anywhere anywhere tcp dpt:smtp ACCEPT tcp -- anywhere anywhere tcp dpt:ssmtp ACCEPT tcp -- anywhere anywhere tcp dpt:pop3 ACCEPT tcp -- anywhere anywhere tcp dpt:domain ACCEPT udp -- anywhere anywhere udp dpt:domain ACCEPT tcp -- anywhere anywhere tcp dpts:32768:65535 ACCEPT udp -- anywhere anywhere udp dpts:32768:65535 ACCEPT tcp -- localhost.localdomain localhost.localdomain ACCEPT udp -- localhost.localdomain localhost.localdomain Chain VZ_OUTPUT (1 references) target prot opt source destination ACCEPT tcp -- anywhere anywhere ACCEPT udp -- anywhere anywhere The VPS is running Plesk 10.4.4 (please ask if you require further technical information to help me)

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  • How to start/stop iptables in Ubuntu 12.04?

    - by imwrng
    I am using Ubuntu 12.04 . while learning some new things about iptables i cant through this . see at the image . while i am trying to start ,its saying as root@badfox:~# iptables -L -n -v Chain INPUT (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination Chain FORWARD (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination root@badfox:~# service iptables stop iptables: unrecognized service root@badfox:~# service iptables start iptables: unrecognized service Source: http://www.cyberciti.biz/tips/linux-iptables-examples.html Why i am getting like this ? EDIT: So my firewall already started but why i am not getting the output as i mentioned in the link at source link in first workout. . Here is my output root@badfox:~# sudo start ufw start: Job is already running: ufw root@badfox:~# iptables -L -n -v Chain INPUT (policy ACCEPT 4882 packets, 2486K bytes) pkts bytes target prot opt in out source destination Chain FORWARD (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination Chain OUTPUT (policy ACCEPT 5500 packets, 873K bytes) pkts bytes target prot opt in out source destination root@badfox:~#

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  • BI&EPM in Focus June 2013

    - by Mike.Hallett(at)Oracle-BI&EPM
    Analyst Report from Ovum: BI bites into a bigger slice of Oracle’s Red Stack Customers INC Research Ensures 24/7 Enterprise Application Availability and Supports Rapid Expansion in Asia with Managed Cloud Services – Hyperion Planning, PeopleSoft, E-Business Suite, SOA Suite PL Developments Improves Quality and Demand Planning Accuracy, Streamlines Compliance as It Moves into Manufacturing – Hyperion Planning, OBIEE, E-Business Suite Release 12.1, Agile, Demantra Kiabi Provides Store Managers with Monthly Earnings Statements in Four Business Days to Support Continued Retail Growth – Hyperion Planning, Hyperion Financial Reporting, Hyperion Smart View for Office Speedy Cash Improves Global Financial Budgeting and Forecasting to Support Continued Company Growth - Hyperion Planning, Essbase, Hyperion Smart View for Office, Hyperion Financial Management Grupo Sports World Automates and Reduces Budget Consolidation Time by 33% for 30 Fitness Centers – Hyperion Planning Jupiter Shop Channel Automates Budgeting Processes, Enhances Visibility of Project Investments to Support Strategic Decision-Making – Hyperion Planning GENBAND Saves US$1.25 Million Annually with Automated Global Trade Management, Gains Compliance Assurance – Hyperion Financial Management, E-Business Suite Aldar Properties Consolidates and Simplifies Group Planning and Reporting for Business and Finance Structures with Integrated ERP and Business Intelligence – Hyperion Planning, Essbase, Data Integrator, OBIEE, E-Business Suite, SUN Link to Complete Archive Enterprise Performance Management Hyperion EPM 11.1.2.3 Webcast Tutorials EPM Blog: Three Technologies CFOs Need to Know About The CFO as Catalyst for Change - Part 1 The CFO as Catalyst for Change - Part 2 Actions Speak Louder in Scorecards Unlocking Business Potential with Enterprise Performance Management Business Intelligence Oracle Database 12c is launched Analysis: How to Take Big Data Advantage of Oracle Database 12c by Data-informed.com Normal 0 false false false EN-GB X-NONE X-NONE /* 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:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; 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-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-fareast-language:EN-US;}

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  • EPM 11.1.2.2.000 release - considerations

    - by THE
    (guest Article by Nancy) Please be aware with the upcoming release of EPM v11.1.2.2.000, it is highly recommended you first read the"ORACLE® ENTERPRISE PERFORMANCE MANAGEMENT SYSTEM 11.1.2.2.000 Readme" prior to installing this release. We want to highlight the "Installation Information" section which includes the following late-breaking information: Business Rules Migration to Calculation Manager Oracle Hyperion Calculation Manager has replaced Oracle Hyperion Business Rules as the mechanism for designing and managing business rules, therefore, Business Rules is no longer released with EPM System Release 11.1.2.2. If you are applying 11.1.2.2 as a maintenance release, or upgrading to Release 11.1.2.2, and have been using Business Rules in an earlier release, you must migrate to Calculation Manager rules in Release 11.1.2.2. (See Oracle Enterprise Performance Management System Installation and Configuration Guide.) Planning User Interface Enhancements This release of Planning includes a large number of user interface enhancements, as described in Oracle Hyperion Planning New Features. To optimize performance with these new features, you must implement the following recommended configuration. Server: 64-bit, 16 GB physical RAM Client: Optimized for Internet Explorer 9 and Firefox 10 or higher Client-to-Server Connectivity: High-speed internet connection or VPN connection between client and server, client-to-server ping time < 150 milliseconds for best performance The new, improved Planning user interface requires efficient browsers to handle interactivity provided through Web 2.0 like functionality. In our testing, Internet Explorer 7, Internet Explorer 8, and Firefox 3.x are not sufficient to handle such interactivity, and the responsiveness in these versions of browsers is not as fast as the user interface in the previous releases of Planning. For this reason, we strongly recommend that you upgrade your browser to Internet Explorer 9 or Firefox 10 to get responsiveness similar to what you experienced in previous releases. In some instances, the response times in Internet Explorer 7, Internet Explorer 8 and Firefox 3.x could be acceptable. Hence, we suggest that you uptake the new user interface only after you conduct an end user response test and you are satisfied with the results of these tests for these versions of browsers. Please note that it is still possible to leverage the old user interface and features from Planning Release 11.1.2.1. (For more information, see “Using the Planning Release 11.1.2.1 User Interface and Features” in the Oracle Hyperion Planning Administrator's Guide.) IBM HTTP Server and IIS Default Ports Both IBM HTTP Server and IIS Web Server use 80 as their default port. If you are using WebSphere, you must change one of these defaults so that there is no port conflict. If you have further questions, please utilize the  Planning or Essbase MOS Community.

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  • C++ input chaining in C#

    - by Monty
    I am trying to learn C# coming from C++. I am writing just some basic console stuff to get a feel for it and was wondering if it is possible to do simple chaining of inputs in C#. For example in C++: cout<<"Enter two numbers: "; cin >> int1 >> int2; You could then just input 3 5 and hit enter and the values will be fine. In C# however I have to split it up(as far as I can tell) like this: Console.Write("Enter the first number: "; int1 = (char)Console.Read(); Console.Writeline(""); Console.Write("Enter the second number: "; int2 = (char)Console.Read(); Maybe I am just missing something.

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