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• Python as your main language. Possible?

  - by Deinumite

  I am currently attending college and the languages that I will 'know' by graduation are C++ and Java. That being said, i am also in the process of teaching myself Python. I know that every programming language has its own pros and cons, but would it be possible to become a python developer out of school? I always have more 'fun' programming in Python than i do in C++ or Java, and I am also in love with Pythons documentation. I know C++ will always be on top in terms of speed, but what would be the benefit of memorizing every javadoc against focusing on Python instead? are there good jobs to be had with Python? edit: also, would it be beneficial for me to look at C# as well? Microsoft is really throwing their support at it so that could be a decent career path as well.

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• How long people take to learn a new programming language?

  - by Cawas

  In general aspects, this might be a good reference for everyone. Having an idea of how long people take in average for properly learning how to code can give a very good idea on how dense or long is the path. Someone who never programmed should take weeks or months, even years maybe while someone who's already experienced in the area and know at least 2 different languages might take days, hours or even minutes to start coding. But other than being able to write code that runs, there are ways to write the same program, and it's much harder to get deep knowledge on that than actually being able to program. And sometimes languages differ a lot from one to another on that aspect as well. For instance, we should never have to worry with code-injection in JavaScript like we do in C. So, is there any place we can see some good numbers for how long it takes to learn a language, maybe divided into level of knowledge categories, languages and paradigms, etc?

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• How to learn programming language (syntax rules, etc.) and remember easily? [closed]

  - by user239522

  I'm new to programming, and I always have a so call difficulty, that is, I always tend to forget the thing (syntax, rules, name, definition or anyting) of a programming language I've learnt. And I personally do feel that the way I learn it is wrong. Here is my method. Everyday I will spend approximately 1 or 2 hours on a programming e-book. I just follow the syllabus and teaching inside the books, of course I have try to code myself, alter the code inside the book, and did the exercises available. But everytime right after I finish a chapter and advanced myself to third or fourth chapter, I will forgot something I learnt in the first chapter. Is it the method I use wrong? Does learning through reading and coding not enough? Do I need to everytime make a small note (mind map for example) of things I've learnt by hand writing? Or do I sometime need to try coding using a pencil and a book, but not a computer?

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• Write a compiler for a language that looks ahead and multiple files?

  - by acidzombie24

  In my language I can use a class variable in my method when the definition appears below the method. It can also call methods below my method and etc. There are no 'headers'. Take this C# example. class A { public void callMethods() { print(); B b; b.notYetSeen(); public void print() { Console.Write("v = {0}", v); } int v=9; } class B { public void notYetSeen() { Console.Write("notYetSeen()\n"); } } How should I compile that? what i was thinking is: pass1: convert everything to an AST pass2: go through all classes and build a list of define classes/variable/etc pass3: go through code and check if there's any errors such as undefined variable, wrong use etc and create my output But it seems like for this to work I have to do pass 1 and 2 for ALL files before doing pass3. Also it feels like a lot of work to do until I find a syntax error (other than the obvious that can be done at parse time such as forgetting to close a brace or writing 0xLETTERS instead of a hex value). My gut says there is some other way. Note: I am using bison/flex to generate my compiler.

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• Should we have a database independent SQL like query language in Django? [closed]

  - by Yugal Jindle

  Note : I know we have Django ORM already that keeps things database independent and converts to the database specific SQL queries. Once things starts getting complicated it is preferred to write raw SQL queries for better efficiency. When you write raw sql queries your code gets trapped with the database you are using. I also understand its important to use the full power of your database that can-not be achieved with the django orm alone. My Question : Until I use any database specific feature, why should one be trapped with the database. For instance : We have a query with multiple joins and we decided to write a raw sql query. Now, that makes my website postgres specific. Even when I have not used any postgres specific feature. I feel there should be some fake sql language which can translate to any database's sql query. Even Django's ORM can be built over it. So, that if you go out of ORM but not database specific - you can still remain database independent. I asked the same question to Jacob Kaplan Moss (In person) : He advised me to stay with the database that I like and endure its whole power, to which I agree. But my point was not that we should be database independent. My point is we should be database independent until we use a database specific feature. Please explain, why should be there a fake sql layer over the actual sql ?

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• Hybrid EAV/CR model via WCF (and statically-typed language)?

  - by Pat

  Background I'm working on the architecture for a cloud-based LOB application, using Silverlight for the client, WCF, ASP.NET/C# for server and SQL Server for storage. The data model requires some flexibility per user (ability to add custom properties and define validation rules for them, for example), and a hybrid EAV/CR persistence model on the server side will suit nicely. Problem I need an efficient and maintainable technology and approach to handle the transformation from the persisted EAV model to/from WCF (and similarly allow the client to bind to the resulting data - DataGrid is a key UI element)? Admission: I don't yet know enough about WCF to understand if it supports ExpandoObject directly, but I suspect it will. Options I started off looking at WCF RIA services, but quickly discovered they're heavily dependent upon both static type data and compile-time code generation. Neither of these appeal. The options I'm considering include: Using WCF RIA services and pass the data over the network directly in EAV form (i.e. Dictionary), and handle the binding issue purely on the client side (like this) Using a dynamic language (probably IronPython) to handle both ends of the communication, with plumbing to generate the necessary CLR type data on the client to allow binding, and transform to/from EAV form on the server (spam preventer stopped me from posting a URL here, I'll try it in a comment). Dynamic LINQ (CreateClass() and friends), although I'm way out of my depth there and don't know what the limitations on that approach might be yet. I'm interested in comments on these approaches as well as alternative approaches that might solve the problem. Other Notes The Silverlight client will not be the only consumer of the service, making me slightly uncomfortable with option #1 above. While the data model is flexible, it's not expected to be modified heavily. For argument's sake, we could assume that we might have 25 distinct data models active at a given time, with something like 10-20 unique data fields/rules each. Modifications to the data model will happen infrequently (typically when a new user is initially configured).

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• What is a good programming language/environment for Linux database applications?

  - by Dkellygb

  I could use some advice on my move from the Windows world to Linux. For my business, I have used VB6 and Microsoft Access with both Access databases and SQL server in the past. The easy to use forms, report writers and programming language were perfect for CRUD apps and analysis for our small hotel/restaurant business. After using Linux at home for some time I would like to convert our small business. Our server is already a Linux box using Samba. I am happy with the OpenOffice.org applications instead of Microsoft Office. The only thing which is holding me back is a desktop database application where I can develop the forms and reports we require. Base does not seem to be up to the job yet from my experience. I would like something like VB.Net with visual studio (express) but I would like to avoid Mono – I just don’t see the point of it. (You can correct me if I’m wrong.) But a good collection of forms, controls and a good report writer would be ideal. I have looked at web based stuff like Ruby on Rails, but I think a webserver for our 5 pc network is overkill. I don’t mind running a proper database on our Ubuntu 9.10 server. I may have exposed a few prejudices above but my mind is open. Any thoughts?

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• How do I add the go language to gitg's list of viewable sources?

  - by Hotei

  Hoping a 'git' guru will help out here. I am just beginning to "git" for the first time and have (among other things :-) ) git and gitg installed from Ubuntu 10.4 / AMD64 distribution (ie. maybe not 'latest' version but not ancient). I am trying to look at the go code I've committed via gitg and in the "tree tab" it says :Cannot display file content as text. However, the "details tab" shows the diffs of the same file just fine. I know gitg's "tree tab" is working because I can use the tree view on *.c / *.html / *.txt etc just fine. Is there a way to tweak gitg into understanding that "*.go" is just text? A little more context: Installed gitg version is 0.0.5 - ie a version behind latest - 0.0.6 - source of which I am looking thru now. I do have a working /usr/share/gtksourceview-2.0/language-specs/ go.lang. It works just fine as highlighter in gedit. It appears that gitg may require displayable files to have a mime type of "text/plain", so I added that to go.lang No joy. gitg still fails on *.go I'm relatively sure the fix is simple, just don't know where to look.

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• Are vector assignments copied by value or by reference in Google's Go language?

  - by Brian T Hannan

  In the following code, I create one peg puzzle then do a move on it which adds a move to its movesAlreadyDone vector. Then I create another peg puzzle then do a move on it which adds a move to its movesAlreadyDone vector. When I print out the values in that vector for the second one, it has the move in it from the first one along with the move from the second one. Can anyone tell me why it seems to be assigning by reference and not value? Are vector assignments copied by value or by reference in Google's Go language? package main import "fmt" import "container/vector" type Move struct { x0, y0, x1, y1 int } type PegPuzzle struct { movesAlreadyDone * vector.Vector; } func (p *PegPuzzle) InitPegPuzzle(){ p.movesAlreadyDone = vector.New(0); } func NewChildPegPuzzle(parent *PegPuzzle) *PegPuzzle{ retVal := new(PegPuzzle); retVal.movesAlreadyDone = parent.movesAlreadyDone; return retVal } func (p *PegPuzzle) doMove(move Move){ p.movesAlreadyDone.Push(move); } func (p *PegPuzzle) printPuzzleInfo(){ fmt.Printf("-----------START----------------------\n"); fmt.Printf("moves already done: %v\n", p.movesAlreadyDone); fmt.Printf("------------END-----------------------\n"); } func main() { p := new(PegPuzzle); cp1 := new(PegPuzzle); cp2 := new(PegPuzzle); p.InitPegPuzzle(); cp1 = NewChildPegPuzzle(p); cp1.doMove(Move{1,1,2,3}); cp1.printPuzzleInfo(); cp2 = NewChildPegPuzzle(p); cp2.doMove(Move{3,2,5,1}); cp2.printPuzzleInfo(); } Any help will be greatly appreciated. Thanks!

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• Is Prolog the best language to solve this kind of problem?

  - by Milan Babuškov

  I have this problem containing some inequations and requirement to minimize a value. After doing some research on the Internet, I came to conclusion that using Prolog might be the easiest way to solve it. However, I never used Prolog before, and I would hate to waste my time learning it just to discover that it is not the right tool for this job. Please, if you know Prolog, take a look at this problem and tell me if Prolog is the right one. Or, if you know of some other language that is really suited for this. a + b + c >= 100 d + e + f >= 50 g + h >= 30 if (8b + 2e + 7h > 620) then y = 0.8 else y = 1.0 if (d > 35) then x = 0.9 else x = 1.0 5xa + 8yb + 5c + 3xd + 2ye + 2f + 6xg + 7yh = w. I need to find the values for a, b, c, d, e, f, g and h that minimize w. I'm not really asking for code, although I'd be grateful for some hint how to tackle this if Prolog is really good for it. Thanks.

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• Configuring varnish and django (apache/modwsgi)

  - by Hedde

  I am trying to work out why my application keeps hitting the database while I have setup varnish infront of apache. I think I am missing some vital configuration, any tips are welcome This is my curl result: HTTP/1.1 200 OK Server: Apache/2.2.16 (Debian) Content-Language: en-us Vary: Accept,Accept-Encoding,Accept-Language,Cookie Cache-Control: s-maxage=60, no-transform, max-age=60 Content-Type: application/json; charset=utf-8 Date: Sat, 15 Sep 2012 08:19:17 GMT Connection: keep-alive My varnishlog: 13 BackendClose - apache 13 BackendOpen b apache 127.0.0.1 47665 127.0.0.1 8000 13 TxRequest b GET 13 TxURL b /api/v1/events/?format=json 13 TxProtocol b HTTP/1.1 13 TxHeader b User-Agent: curl/7.19.7 (universal-apple-darwin10.0) libcurl/7.19.7 OpenSSL/0.9.8r zlib/1.2.3 13 TxHeader b Host: foobar.com 13 TxHeader b Accept: */* 13 TxHeader b X-Forwarded-For: 92.64.200.145 13 TxHeader b X-Varnish: 979305817 13 TxHeader b Accept-Encoding: gzip 13 RxProtocol b HTTP/1.1 13 RxStatus b 200 13 RxResponse b OK 13 RxHeader b Date: Sat, 15 Sep 2012 08:21:28 GMT 13 RxHeader b Server: Apache/2.2.16 (Debian) 13 RxHeader b Content-Language: en-us 13 RxHeader b Content-Encoding: gzip 13 RxHeader b Vary: Accept,Accept-Encoding,Accept-Language,Cookie 13 RxHeader b Cache-Control: s-maxage=60, no-transform, max-age=60 13 RxHeader b Content-Length: 6399 13 RxHeader b Content-Type: application/json; charset=utf-8 13 Fetch_Body b 4(length) cls 0 mklen 1 13 Length b 6399 13 BackendReuse b apache 11 SessionOpen c 92.64.200.145 53236 :80 11 ReqStart c 92.64.200.145 53236 979305817 11 RxRequest c HEAD 11 RxURL c /api/v1/events/?format=json 11 RxProtocol c HTTP/1.1 11 RxHeader c User-Agent: curl/7.19.7 (universal-apple-darwin10.0) libcurl/7.19.7 OpenSSL/0.9.8r zlib/1.2.3 11 RxHeader c Host: foobar.com 11 RxHeader c Accept: */* 11 VCL_call c recv lookup 11 VCL_call c hash 11 Hash c /api/v1/events/?format=json 11 Hash c foobar.com 11 VCL_return c hash 11 VCL_call c miss fetch 11 Backend c 13 apache apache 11 TTL c 979305817 RFC 60 -1 -1 1347697289 0 1347697288 0 60 11 VCL_call c fetch deliver 11 ObjProtocol c HTTP/1.1 11 ObjResponse c OK 11 ObjHeader c Date: Sat, 15 Sep 2012 08:21:28 GMT 11 ObjHeader c Server: Apache/2.2.16 (Debian) 11 ObjHeader c Content-Language: en-us 11 ObjHeader c Content-Encoding: gzip 11 ObjHeader c Vary: Accept,Accept-Encoding,Accept-Language,Cookie 11 ObjHeader c Cache-Control: s-maxage=60, no-transform, max-age=60 11 ObjHeader c Content-Type: application/json; charset=utf-8 11 Gzip c u F - 6399 69865 80 80 51128 11 VCL_call c deliver deliver 11 TxProtocol c HTTP/1.1 11 TxStatus c 200 11 TxResponse c OK 11 TxHeader c Server: Apache/2.2.16 (Debian) 11 TxHeader c Content-Language: en-us 11 TxHeader c Vary: Accept,Accept-Encoding,Accept-Language,Cookie 11 TxHeader c Cache-Control: s-maxage=60, no-transform, max-age=60 11 TxHeader c Content-Type: application/json; charset=utf-8 11 TxHeader c Date: Sat, 15 Sep 2012 08:21:29 GMT 11 TxHeader c Connection: keep-alive 11 Length c 0 11 ReqEnd c 979305817 1347697288.292612076 1347697289.456128597 0.000086784 1.163468122 0.000048399

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• what is the language of compilers?Are they written with different languages?

  - by Ehsan Mamakani

  are compilers in different languages?

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• Assembly Level Language? Unlock iPhone 3GS with latest Baseband. Need Opinion

  - by getkenny

  Hi Guys, So its more like advice i need. I got 2 iPhone 3GS (Bootloader 06.02 and BB 05.11) which are lying around useless cause it was bought it from US and now i am in Dubai. Cannot use the phone because there is no unlock. Now rather than waiting and relying on other people to provide a unlock for the baseband , i was thinking of learning what it takes to unlock a iPhone. I currently don't even know what i got to learn to do this. I understand from soem reading around that i will need to learn ARM to understand the baseband and try to find a exploit: is it correct? I really want to help people out in getting their iPhones working. Also the iPhones cost was $645 each (16GB) so its not like Apple is going to loose any money of it, the person who bought it for me thought that if your not buying with an AT&T contract it means that it is unlocked but it is not true. I need help, i am willing to learn and you guys are the best bunch around to give me advice. Regards.

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• How to use English Microsoft Speech Recognition of windows 7 in a different language windows?

  - by aF

  Hello, I've installed windows 7 home in portuguese and now I don't have the speech recognition. How can I had that to my 'arsenal' ? Thanks in advance!

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• How do I use Windows Speech Recognition in a non-English language?

  - by aF

  Hello, I've installed Windows 7 Home in Portuguese and speech recognition doesn't work. How can I turn this on or is this not possible? Thanks in advance!

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• Outside of a web browser, does the Javascript programming language do anything? [closed]

  - by Stom

  I often hear people talking about Javascript in conjunction with web browser programming/web page programming and such, and/or form logic, etc. However, outside of a browser, can Javascript source be written and compiled to work outside of a browser, much like C/C++ can work in a terminal window/GUI window with a library? Can I write "Hello World" in Javascript in a console terminal on a modern OS GUI and such like C?

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• What does N years of experience with a language really mean?

  - by marcgg

  I've been looking at jobs descriptions since I'm graduating soon and looking for a job and what's always coming back - I'm not teaching you anything - is the "N years of experience in this language". It has been discussed in this question that if you work professionally with let's say Ruby for 2 years, but during these two years you also did some C# and PHP and were actually coding in Ruby 50% of the time. Do you say you have 1 year of experience in Ruby? 2 years? Another issue that hasn't been reviewed in the other post is for "non-professional experience". I'll give you a personal example: I've been working with Ruby on Rails since 2004 while at school. I did a lot of personal projects and school projects using this technology. I also used Rails in 2 6-month internships. Do I have 5 years of Rails experience (2004-now)? Do I have 1 year(2 internships)? Do I have nothing? I feel like I don't deserve the credit for 5 years, because the first years I wasn't working a lot with rails, but since last year I launched some websites and invested myself a lot in this technology and just saying 1 year doesn't really reflect how much I know the technology... Another example: I Learned C++ at school and did 1 big project with it (2-3 month of work and a semester of classes). I never used it in a company but I'd be able to be productive fairly quickly if I had to work on a C++ project and I have a good grasp of the concepts. Do I have no experience? 3 months? 6 months? ... something else? What I'm really trying to do is to find a way to present my skill set in a way that is compliant to what recruiters expect. I also don't want to end up at an interview that would go something like this... Recruiter (finding out the horrible truth): Oh but you said that you had 2 years of experience with this when you have none! / slaps me in the face / Me (in pain): Oh! The irony! Recruiter (yelling): Get out of my office / calls security, punches me in the throat /

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• Practical non-Turing-complete languages?

  - by Kyle Cronin

  Nearly all programming languages used are Turing Complete, and while this affords the language to represent any computable algorithm, it also comes with its own set of problems. Seeing as all the algorithms I write are intended to halt, I would like to be able to represent them in a language that guarantees they will halt. Regular expressions used for matching strings and finite state machines are used when lexing, but I'm wondering if there's a more general, broadly language that's not Turing complete? edit: I should clarify, by 'general purpose' I don't necessarily want to be able to write all halting algorithms in the language (I don't think that such a language would exist) but I suspect that there are common threads in halting proofs that can be generalized to produce a language in which all algorithms are guaranteed to halt. There's also another way to tackle this problem - eliminate the need for theoretically infinite memory. Once you limit the amount of memory the machine is allowed, the number of states the machine is in is finite and countable, and therefore you can determine if the algorithm will halt (by not allowing the machine to move into a state it's been in before).

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• SQL multiple primary keys - localization

  - by Max Malmgren

  I am trying to implement some localization in my database. It looks something like this (prefixes only for clarification) tbl-Categories ID Language Name tbl-Articles ID CategoryID Now, in my tbl-Categories, I want to have primary keys spanning ID and language, so that every combination of ID and language is unique. In tbl-Articles I would like a foreign key to reference ID in categories, but not Language, since I do not want to bind an article to a certain language, only category. Of course, I cannot add a foreign key to part of the primary key. I also cannot have the primary key only on the ID of categories, since then there can only be one language. Having no primary keys disables foreign keys altogether, and that is also not a great solution. Do you have any ideas how I can solve this in an elegant fashion? Thanks.

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• List available languages for PyGTK UI strings

  - by detly

  I'm cleaning up some localisation and translation settings in our PyGTK application. The app is only intended to be used under GNU/Linux systems. One of the features we want is for users to select the language used for the applications (some prefer their native language, some prefer English for consistency, some like French because it sounds romantic, etc). For this to work, I need to actually show a combo box with the various languages available. How can I get this list? In fact, I need a list of pairs of the language code ("en", "ru", etc) and the language name in the native language ("English (US)", "???????"). If I had to implement a brute force method, I'd do something like: look in the system locale dir (eg. "/usr/share/locale") for all language code dirs (eg. "en/") containing the relative path "LC_MESSAGES/OurAppName.mo". Is there a more programmatic way?

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• Django get_FOO_display and distinct()

  - by datakid

  I've seen answers to both halves of my question, but I can't work out how to marry the two. I have a book model, and a translatedBook model. The translatedBook has a langage set up as model choices in the usual way: LANGUAGES = ( (u'it', u'Italian'), (u'ja', u'Japanese'), (u'es', u'Spanish'), (u'zh-cn', u'Simplified Chinese'), (u'zh-tw', u'Traditional Chinese'), (u'fr', u'French'), (u'el', u'Greek'), (u'ar', u'Arabic'), (u'bg', u'Bulgarian'), (u'bn', u'Bengali'), etc I know that to get "Italian" I have to do translatedBook.get_language_display on a Book object. But how do I get a list of distinct languages in their long format? I've tried: lang_avail = TargetText.objects.values('language').distinct().order_by('language') lang_avail = TargetText.objects.distinct().order_by('language').values('language'). lang_avail = TargetText.objects.all().distinct('language').order_by('language') but I can't seem to get what I want - which is a list like: "English, Italian, Simplified Chinese, Spanish" The final lang_avail listed above didn't return the list of 5, it returned the list of 355 (ie, # of books) with multiple repeats....

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• Cannot use 'javascript' because another language has been specified earlier in this page (or was implied from a CodeFile attribute).

  - by klm9971

  Hello: I have a website in which I am including a javascript file from this link: Code Snippet Page I am getting this error: Microsoft JScript runtime error: Object expected Here is my code: <%@ Page Title="" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ATP_Assignment.Default" %> <asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" runat="server"> </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="topArea" runat="server"> <div> <div id="matchUp" class="floatLeft"> <div class="tabTop"> <div class="tabTL"></div> <div class="tabTM"> <font class="title">Player Matchup History</font> </div> <div class="tabTR"></div> </div> <div class="tabMiddle"> <asp:DropDownList ID="ddlPlayer1" runat="server" Height="16px" Width="146px" DataTextField="Name" DataValueField="Id"> </asp:DropDownList> &nbsp;&nbsp;VS&nbsp;&nbsp; <asp:DropDownList ID="ddlPlayer2" runat="server" Height="16px" Width="150px" DataTextField="Name" DataValueField="ID"> </asp:DropDownList> <asp:Button ID="Button1" runat="server" Text="Click" onclick="Button1_Click" /> <br /> Player1: <asp:Label ID="lblPlayer1Score" Value="" runat="server"></asp:Label>&nbsp;&nbsp; Player2: <asp:Label ID="lblPlayer2Score" Value="" runat="server"></asp:Label> </div> <div class="tabBottom"> <div class="tabBL"></div> <div class="tabBM"></div> <div class="tabBR"></div> </div> </div> <div id="favList" class="floatLeft"> <div class="tabTop2"> <div class="tabTL"></div> <div class="tabTM2"> <font class="title">Favorite Player List</font> </div> <div class="tabTR"></div> </div> <div class="tabMiddle2"> Enter Fav JQuery Here!!! </div> <div class="tabBottom2"> <div class="tabBL"></div> <div class="tabBM2"></div> <div class="tabBR"></div> </div> </div> <div class="clearFix">&nbsp;</div> </div> </asp:Content> <asp:Content ID="Content3" ContentPlaceHolderID="contentArea" runat="server"> <div class="padding"> <div> <div id="playerList" class="floatLeft"> <font class="title">Player List</font> <br /> <asp:DataList ID="PlayerList" runat="server"> <ItemTemplate> Name: <asp:Label ID="lblFirstName" runat="server" Text='<%# Eval("FirstName") %>' /> &nbsp; <asp:Label ID="lblLastName" runat="server" Text='<%# Eval("LastName") %>' /> <br /> Rank: <asp:Label ID="lblRank" runat="server" Text='<%# Eval("Rank") %>' /> <br /> Country: <asp:Label ID="lblCountry" runat="server" Text='<%# Eval("Country") %>' /> <br /> <br /> </ItemTemplate> </asp:DataList> </div> <div class="smallPadding">&nbsp;</div> <div id="video"> </div> <div class="clearFix">&nbsp;</div> </div> <div id="tweet"> <font class="title">Recent Tweets</font> <br /> <script type="text/javascript"> alert($ && $.fn ? $.fn.jquery : "jQuery not defined") $(function () { $("#favorites").tweet({ avatar_size: 32, count: 3, username: "atpworldtour", favorites: true, loading_text: "loading list..." }); }); </script> </div> </div> </asp:Content> Where should I put this code: <script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script> <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/jquery-ui.min.js"></script>

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• Database users in the Oracle Utilities Application Framework

  - by Anthony Shorten

  I mentioned the product database users fleetingly in the last blog post and they deserve a better mention. This applies to all versions of the Oracle Utilities Application Framework. The Oracle Utilities Application Framework uses up to three users initially as part of the base operations of the product. The type of database supported (the framework supports Oracle, IBM DB2 and Microsoft SQL Server) dictates the number of users used and their permissions. For publishing brevity I will outline what is available for the Oracle database and, in summary, mention where it differs for the other database supported. For Oracle database customers we ship three distinct database users: Administration User (SPLADM or CISADM by default) - This is the database user that actually owns the schema. This user is not used by the product to do any DML (Data Manipulation Language) SQL other than that is necessary for maintenance of the database. This database user performs all the DCL (Data Control Language) and DDL (Data Definition Language) against the database. It is typically reserved for Database Administration use only. Product Read Write User (SPLUSER or CISUSER by default) - This is the database user used by the product itself to execute DML (Data Manipulation Language) statements against the schema owned by the Administration user. This user has the appropriate read and write permission to objects within the schema owned by the Administration user. For databases such as DB2 and SQL Server we may not create this user but use other DCL (Data Control Language) statements and facilities to simulate this user. Product Read User (SPLREAD or CISREAD by default) - This is the database that has read only permission to the schema owned by the Administration user. It is used for reporting or any part of the product or interface that requires read permissions to the database (for example, products that have ConfigLab and Archiving use this user for remote access). For databases such as DB2 and SQL Server we may not create this user but use other DCL (Data Control Language) statements and facilities to simulate this user. You may notice the words by default in the list above. The values supplied with the installer are the default and can be changed to what the site standard or implementation wants to use (as long as they conform to the standards supported by the underlying database). You can even create multiples of each within the same database and pointing to same schema. To manage the permissions for the users, there is a utility provided with the installation (oragensec (Oracle), db2gensec (DB2) or msqlgensec (SQL Server)) that generates the security definitions for the above users. That can be executed a number of times for each schema to give users appropriate permissions. For example, it is possible to define more than one read/write User to access the database. This is a common technique used by implementations to have a different user per access mode (to separate online and batch). In fact you can also allocate additional security (such as resource profiles in Oracle) to limit the impact of specific users at the database. To facilitate users and permissions, in Oracle for example, we create a CISREAD role (read only role) and a CISUSER role (read write role) that can be allocated to the appropriate database user. When the security permissions utility, oragensec in this case, is executed it uses the role to determine the permissions. To give you a case study, my underpowered laptop has multiple installations on it of multiple products but I have one database. I create a different schema for each product and each version (with my own naming convention to help me manage the databases). I create individual users on each schema and run oragensec to maintain the permissions for each appropriately. It works fine as long I have setup the userids appropriately. This means: Creating the users with the appropriate roles. I use the common CISUSER and CISREAD role across versions and across Oracle Utilities Application Framework products. Just remember to associate the CISUSER role with the database user you want to use for read/write operations and the CISREAD role with the user you wish to use for the read only operations. The role is treated as a tag to indicate the oragensec utility which appropriate permissions to assign to the user. The utilities for the other database types essentially do the same, obviously using the technology available within those databases. Run oragensec against the read write user and read only user against the appropriate administration user (I will abbreviate the user to ADM user). This ensures the right permissions are allocated to the right users for the right products. To help me there, I use the same prefix on the user name for the same product. For example, my Oracle Utilities Application Framework V4 environment has the administration user set to FW4ADM and the associated FW4USER and FW4READ as the users for the product to use. For my MWM environment I used MWMADM for the administration user and MWMUSER and MWMREAD for my associated users. You get the picture. When I run oragensec (once for each ADM user), I know what other users to associate with it. Remember to rerun oragensec against the users if I run upgrades, service packs or database based single fixes. This assures that the users are in synchronization with the ADM user. As a side note, for those who do not understand the difference between DML, DCL and DDL: DDL (Data Definition Language) - These are SQL statements that define the database schema and the structures within. SQL Statements such as CREATE and DROP are examples of DDL SQL statements. DCL (Data Control Language) - These are the SQL statements that define the database level permissions to DDL maintained objects within the database. SQL Statements such as GRANT and REVOKE are examples of DCL SQL statements. DML (Database Manipulation Language) - These are SQL statements that alter the data within the tables. SQL Statements such as SELECT, INSERT, UPDATE and DELETE are examples of DML SQL statements. Hope this has clarified the database user support. Remember in Oracle Utilities Application Framework V4 we enhanced this by also supporting CLIENT_IDENTIFIER to allow the database to still use the administration user for the main processing but make the database session more traceable.

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• Google Translation API Integration in .NET

  - by Jalpesh P. Vadgama

  This blog has been quite for some time because i was very busy at professional font but now I have decided to post on this blog too. I am constantly posting my article on my personal blog at http://jalpesh.blogspot.com. But now this blog will also have same blog post so i can reach to more community. Language localization is one of important thing of site of application nowadays. If you want your site or application more popular then other then it should support more then language. Some time it becomes difficult to translate all the sites into other languages so for i have found a great solution. Now you can use Google Translation API to translate your site or application dynamically. Here are steps you required to follow to integrate Google Translation API into Microsoft.NET Applications. First you need download class library dlls from the following site. http://code.google.com/p/google-language-api-for-dotnet/ Go this site and download GoogleTranslateAPI_0.1.zip. Then once you have done that you need to add reference GoogleTranslateAPI.dll like following. Now you are ready to use the translation API from Google. Here is the code for that. string Text = "This is a string to translate"; Console.WriteLine("Before Translation:{0}", Text); Text=Google.API.Translate.Translator.Translate(Text,Google.API.Translate.Language.English,Google.API.Translate.Language.French); Console.WriteLine("Before Translation:{0}", Text); That’s it it will return the string translated from English to French. But make you are connected to internet :)… Happy Programming Technorati Tags: GoogleAPI,Translate

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• What markup languages are good for programming articles/tutorials?

  - by Vilx-

  I very much wish to write a programming tutorial in my native language (Latvian). There are far too few of those. I am however unsure on what markup language to use for writing it. Here are a few things I would like to achieve: The same source can be compiled to both HTML for online viewing and printed form (PDF?). In HTML form it would allow superior interaction and appearance (see below), while the print form would look good on paper (layout etc). I have the idea that the tutorial could be multi-language. Different students have different requirements in their schools. For example, some schools teach Java, some teach C#. You could choose the language on the top of the HTML page and the relevant code snippets (and occasionally pieces of text) would swap out. Most of the text is the same anyway, only the language syntax is a bit different. The text would occasionally contain images too of course and these would need to be included in both the HTML and the printed version In the HTML version the code snippets should get automatic syntax coloring which should ideally be the same as in the recommended IDE for the tutorial. In case there are ambiguities, hints for the syntax colorer should be possible, but I don't want to do the whole coloring by hand. "Output" syntax coloring which would emulate a standard 80x25 text console (since many of the initial programs would be console applicatioins) Collapsible sections for answers to questions (aka "spoiler tags") Automatically generated index/table-of-contents Links to other parts of the tutorial (rendered as links in HTML and as references in print version) "Side note" sections, rendered as separate blocks on the side. Other functions useful in publications that I'm not aware of :) I know this is a bit much to ask, but is there something close enough that I could take it as a starting point and add the necessary features myself? Or is there something in the whole list (like the desire to have both HTML and print versions from the same source) that makes it all fundametally infeasible?

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