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  • MissingMethodException in C# Program

    - by draghia-aurelian
    I wrote a Windows Form Application in C# and it works well for my computer. But on another PC, an error occurs when I try to do some stuff. MenuItem_Click Event Handler private void rUNToolStripMenuItem_Click(object sender, EventArgs e) { MessageBox.Show("I'm in rUNToolStripMenuItem_Click!"); ... } ToolStripMenuItem Event Handler private void dataPositionToolStripMenuItem_Click(object sender, EventArgs e) { MessageBox.Show("I'm in dataPositionToolStripMenuItem_Click!"); ... } Running on my computer: MenuItem_ClickEvent Handler Output (On My PC) MessageBox appears: "I'm in rUNToolStripMenuItem_Click" ToolStripMenuItem Event Handler (On My PC) MessageBox appears: "I'm in dataPositionToolStripMenuItem_Click!" MenuItem_Click Event Handler: (On another PC) Messagebox doesn't appear and an Exception is thrown Method not found: "Void Microsoft.CSharp.RuntimeBinder.CSharpGetMemberBinder.ctor( System.String.System.Type, System.Collections.Generic.IEnumerable'1<Microsoft .CSharp.RuntimeBinder.CSharpArgument Info>)'. This is the PrintScreen with error: What am I doing wrong?

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  • Help with MySQL query - Product orders report without duplicate shipping charges

    - by Paul
    Hello, I have an issue creating a custom report for an e-commerce store running on osCommerce. The client wants the report to have the following columns: Date, Order ID, Product Class, Product Price, Product Tax, Shipping, Order Total The criteria for generating the report are Date Range and Product Class (Textbooks for example) The client wants the report to list each Textbook purchased on its own line. Orders with multiple textbooks would display a separate line for each Textbook in the order. I have it all working except for one part: the shipping amount is order-specific (based on the order total), not product-specific, and is displaying for each product. I need it to display only for the first product of each order, so it is not counted more than once. My current query is: SELECT op.date_funds_captured as 'Date', op.orders_id as 'Order ID', pc.class as 'Product Class', round(op.products_price,2) as 'Product Price', round(op.products_tax*op.products_price/100,2) as 'Product Tax', round(otship.value,2) as 'Shipping', round(ot.value,2) as 'Order Total' from orders_products op, orders_total ot, orders_total otship, productclasses pc, products p where ot.orders_id = op.orders_id and ot.class='ot_total' and op.orders_id = otship.orders_id and otship.class = 'ot_shipping' and p.products_class_id = pc.id and op.products_id = p.products_id and pc.id = 1 pc.id = 1 -- Product class = Textbook Here is an example of the current report output. You can see the problem with order 2256 showing the shipping value three times instead of once: Date Order Product Class Price Tax Shipping Total 2010-01-04 2253 Textbook 24.95 2.43 10.03 37.41 2010-01-04 2256 Textbook 34.95 0.00 18.09 240.37 2010-01-04 2256 Textbook 55.50 0.00 18.09 240.37 2010-01-04 2256 Textbook 36.95 0.00 18.09 240.37 2010-01-04 2258 Textbook 55.50 5.41 12.17 124.24 Please help!!! Thanks, Paul

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  • Holiday Book Recommendation

    - by dalton
    I'm after a book to read whilst on holiday. Some criteria: The book has to be relatively short. < 500 pages. I'd prefer a book that changes your thinking, rather than reams of syntax to look at. So the last two years here have been my books: Last year, The Craftsman by Richard Sennet (Changed how I viewed career development, quality) Year before, Zen and The art of motorcycle maintenance (Makes you think about quality, maintenance)

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  • How to return the output of a recursive function in Clojure

    - by Silanglaya Valerio
    Hi everyone! I'm new to functional languages and clojure, so please bear with me... I'm trying to construct a list of functions, with either random parameters or constants. The function that constructs the list of functions is already working, though it doesn't return the function itself. I verified this using println. Here is the snippet: (def operations (list #(- %1 %2) #(+ %1 %2) #(* %1 %2) #(/ %1 %2))) (def parameters (list \u \v \w \x \y \z)) (def parameterlistcount 6) (def paramcount 2) (def opcount 4) (defn generateFunction "Generates a random function list" ([] (generateFunction 2 4 0.5 0.6 '())) ([pc maxdepth fp pp function] (if (and (> maxdepth 0) (< (rand) fp)) (dotimes [i 2] (println(conj (generateFunction pc (dec maxdepth) fp pp function) {:op (nth operations (rand-int opcount))}))) (if (and (< (rand) pp) (> pc 0)) (do (dec pc) (conj function {:param (nth parameters (rand-int parameterlistcount))})) (conj function {:const (rand-int 100)}))))) Any help will be appreciated, thanks!

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  • Use web interface to modify htaccess file

    - by justinl
    The solution to a previous question (How to implement “Maintenance Mode” on already established website), was to use a modified .htaccess to deny IP addresses. What is the best way to use a web interface to modify an .htaccess file? What I want is a way for an admin to log in to the admin area and switch Maintenance Mode on and off using a basic html form. I'm using PHP and I'm already using an .htaccess file for a handful of ReWriting.

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  • Choosing VS2008 .Net 3.5 and .Net 3.5SP1

    - by SysAdmin
    here is the problem. I have one PC using VS2008 (SP1 ) and another PC using VS2008(normal). I want my .Net projects to be editable in both these PC's. So naturally my projects use .Net 3.5 by default and not .Net 3.5 SP1. So, Is there a way I can fix my VS2008 (SP1) version to stick to .Net 3.5 and not .Net 3.5 SP1. In project properties-Application-TargetFramework I dont see an option for .Net 3.5 SP1. (Note: I know that there are solution like uninstalling SP1 or Installing SP1 on the other PC. I am asking is there any other way)

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  • Regular Expression question

    - by Mohammad Kotb
    Hi, In my academic assignment, I want make a regular expression to match a word with the following specifications: word length greater than or equal 1 and less than or equal 8 contains letters, digits, and underscore first digit is a letter only word is not A,X,S,T or PC,SW I tried for this regex but can't continue (My big problem is to make the word not equal to PC and SW) ([a-zA-Z&&[^AXST]])|([a-zA-Z][\w]{0,7}) But in the previous regex I didn't handle the that it is not PC and SW Thanks,

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  • Python code formatting

    - by Curious2learn
    In response to another question of mine, someone suggested that I avoid long lines in the code and to use PEP-8 rules when writing Python code. One of the PEP-8 rules suggested avoiding lines which are longer than 80 characters. I changed a lot of my code to comply with this requirement without any problems. However, changing the following line in the manner shown below breaks the code. Any ideas why? Does it have to do with the fact that what follows return command has to be in a single line? The line longer that 80 characters: def __str__(self): return "Car Type \n"+"mpg: %.1f \n" % self.mpg + "hp: %.2f \n" %(self.hp) + "pc: %i \n" %self.pc + "unit cost: $%.2f \n" %(self.cost) + "price: $%.2f "%(self.price) The line changed by using Enter key and Spaces as necessary: def __str__(self): return "Car Type \n"+"mpg: %.1f \n" % self.mpg + "hp: %.2f \n" %(self.hp) + "pc: %i \n" %self.pc + "unit cost: $%.2f \n" %(self.cost) + "price: $%.2f "%(self.price)

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  • Visual Studio Add-in - How do I create an Installer?

    - by Morgeh
    I have made a Visual Studio Add-in as part of a project I'm working on using web services. When I created the new Add-in project in visual studio it generated all the code required and installed the blank add-in on my pc (I assume). Since this is a large project we are using svn to manage the code base and once I had done some of the work on the Add-in I commited it, then checked it out on a different pc and attempted to run it. However on the other pc when I run the add-in in debug mode, the tools entry for the add-in is not present and I can't run the add-in. Am I right in assuming that when I created the project on the other pc it installed the plugin aswell?? and does that mean that I will need to create an installer for any other pcs I wish to use? Obviously at some point I intend on making an installer anyway but not untill after the development of the addin is complete.

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  • Windows Device Emulator V3, windows 7 + Network

    - by Petoj
    Well im debugging a windows CE application from visual studio in the Windows Device Emulator, now to setup the network i go to File - Configure - Network, i enable a network card and press OK, then i get this message: "The required Virtual Machine Network Driver could not be found. Make sure that Virtual PC 2007 is installed. You can install Virtual PC 2007 from http://go.microsoft.com/fwlink/?linkid=46859" Im running windows 7 and got a built-in Virtual pc and i would rather not have 2 installed at the same time is there any way to get this network driver without installing virtual PC 2007?

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  • Deploying Qt / MySQL application

    - by canardman
    Hi everyone, I hadn't found a anwser on the web, so i ask to you. I am unable to run my compiled mysql driver on a deployment solution. On the pc A the app work fine when run with QtCreator, but via the .exe in the following working directory, the driver is not loaded : root/ -----/bin --------/app.exe --------/libgcc_s_dw2-1.dll --------/mingwm10.dll --------/QtCore4.dll --------/QtGui4.dll --------/QtSql4.dll -----/sqldrivers --------/libmysql.dll --------/qsqlmysql4.dll Whereas with libmysql.dll under bin/ driver is loaded. Now on the pc B, with no Qt or MySQL lib installation and with any of the 2 last working dir, the driver is not loaded. pc A : Qt 4.7 2010.05, Win 7 pc B : Win 7 Thanks for your help !

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  • Using MSDN Licence

    - by Buchanan
    I'm a Micorsoft .NET developer. My employer gave me MSDN Subscription. I need to download Windows 7 (My subscription says I can download it), I want to download it to my home PC, and use it. At work we do not use Windows 7. I do lot of .NET development work using my home PC but not directly work related (Even though the experience I gain assist work related activities). Also 99% percent of work I do, from my home PC, is related to my job. I want to download and use Windows 7 in my home PC. I'm not sure this is legal or not. Can anyone please advice me on this?

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  • text field significantly bigger in certain browser

    - by ian
    I have the below text field in my page: <input class="message" id="message" name="message" type="text" size="65" /> For some reason in the latest FireFox for OS X it is about 200pixels wider than it is in the latest Chrome (mac/pc) FireFox(pc) and IE(pc) Any suggestions on how I can fix this or why this is happening?

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  • Visual C# 2010 Express Full download?

    - by DeanGrobler
    I know this isn't (exactly) code related. But I just wanted to find out if someone knows where I can download the full version of Visual C# 2010 Express ? When you go to MS website you can download an exe. That then downloads the rest of the files. I have an offline pc, so I want to download it from a PC that is online, put it on a flash disc, and install it on the offline PC. Anyone that can point me in the right direction?

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  • iPhone c++ development / compiler on a non-Mac PC? (Windows? Linux?)

    - by Ehrann Mehdan
    According to the (in)famous iPhone Developer Program License Agreement change 3.3.1 — Applications may only use Documented APIs in the manner prescribed by Apple and must not use or call any private APIs. Applications must be originally written in Objective-C, C, C++, or JavaScript as executed by the iPhone OS WebKit engine, and only code written in C, C++, and Objective-C may compile and directly link against the Documented APIs (e.g., Applications that link to Documented APIs through an intermediary translation or compatibility layer or tool are prohibited). So it is allowed to develop iPhone apps using C++ My questions Is there a compiler / IDE for developing iPhone apps using C++? Is that compiler / IDE available on non Mac environments? (Windows? Linux?) If not, why? I mean an eclipse C++ plugin for iPhone development will be quite popular, or is there already any serious attempt to do that?

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  • QT sqlite deploy exe

    - by Samir
    I have a Qt exe built from visual studio 2005(after taking the .cpp, .h, .moc, ui_ files) I have done some simple QSqlite queries. It works fine in my development pc. But in another pc it crashes for the line below: QSqlDatabase mSqlDb How to run the exe so that it can interact with sqlite from another pc. [Any other gui application runs just fine.] So which things are necessary to deploy a sqlite-qt application ?

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  • How to receive packets on the MCU's serial port?

    - by itisravi
    Hello, Consider this code running on my microcontroller unit(MCU): while(1){ do_stuff; if(packet_from_PC) send_data_via_gpio(new_packet); //send via general purpose i/o pins else send_data_via_gpio(default_packet); do_other_stuff; } The MCU is also interfaced to a PC via a UART.Whenever the PC sends data to the MCU, the *new_packet* is sent, otherwise the *default_packet* is sent.Each packet can be 5 or more bytes with a pre defined packet structure. My question is: 1.Should i receive the entire packet from PC using inside the UART interrut service routine (ISR)? In this case, i have to implement a state machine inside the ISR to assemble the packet (which can be lengthy with if-else or switch-case blocks). 2.Detect a REQUEST command (one byte)from the PC in my ISR set a flag, diable UART interrupt alone and form the packet in my while(1) loop by polling the UART?

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  • Program not connecting to new database

    - by Manoj
    Hi, I moved a VS Solution file from an old PC to a new PC. When I opened the solution in VS2010, I found that the database connections in database explorer was not present. Now I want the project to connect to a SQL Server database which is local to the new PC. I have moved the database files (.ldf and .mdf) to the new location and created new connection in Database explorer. But the program seems to be not fetching any data when I run it. What are the other changes I need to do?

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  • Should I bother with C++ or go straight to C#?

    - by Pat Riley
    I have been writing embedded C applications for almost 20 years. In the last few years I have written quite a few PC based GUI interfaces in Visual C so I could interface my embedded systems to a PC. Although my primary work will still be in deeply embedded C, I have finally decided to move my PC based tools into Ruby - (for quick scripting type stuff) and C++ or C# for GUI based interfaces and applications. Should I bother with C++ or just move straight to C#?

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  • How solve consumer/producer task using semaphores

    - by user1074896
    I have SimpleProducerConsumer class that illustrate consumer/producer problem (I am not sure that it's correct). public class SimpleProducerConsumer { private Stack<Object> stack = new Stack<Object>(); private static final int STACK_MAX_SIZE = 10; public static void main(String[] args) { SimpleProducerConsumer pc = new SimpleProducerConsumer(); new Thread(pc.new Producer(), "p1").start(); new Thread(pc.new Producer(), "p2").start(); new Thread(pc.new Consumer(), "c1").start(); new Thread(pc.new Consumer(), "c2").start(); new Thread(pc.new Consumer(), "c3").start(); } public synchronized void push(Object d) { while (stack.size() >= STACK_MAX_SIZE) try { wait(); } catch (InterruptedException e) { e.printStackTrace(); } try { Thread.sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } stack.push(new Object()); System.out.println("push " + Thread.currentThread().getName() + " " + stack.size()); notify(); } public synchronized Object pop() { while (stack.size() == 0) try { wait(); } catch (InterruptedException e) { e.printStackTrace(); } try { Thread.sleep(50); } catch (InterruptedException e) { e.printStackTrace(); } stack.pop(); System.out.println("pop " + Thread.currentThread().getName() + " " + stack.size()); notify(); return null; } class Consumer implements Runnable { @Override public void run() { while (true) { pop(); } } } class Producer implements Runnable { @Override public void run() { while (true) { push(new Object()); } } } } I found simple realization of semaphore(here:http://docs.oracle.com/javase/tutorial/essential/concurrency/guardmeth.html I know that there is concurrency package) How I need to change code to exchange java objects monitors to my custom semaphore. (To illustrate C/P problem using semaphores) Semaphore: class Semaphore { private int counter; public Semaphore() { this(0); } public Semaphore(int i) { if (i < 0) throw new IllegalArgumentException(i + " < 0"); counter = i; } public synchronized void release() { if (counter == 0) { notify(); } counter++; } public synchronized void acquire() throws InterruptedException { while (counter == 0) { wait(); } counter--; } }

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  • PHP class extends not working why and is this how to correctly extend a class?

    - by Matthew
    Hi so I'm trying to understand how inherteince works in PHP using object oriented programming. The main class is Computer, the class that is inheriting is Mouse. I'm extedning the Computer class with the mouse class. I use __construct in each class, when I istinate the class I use the pc type first and if it has mouse after. For some reason computer returns null? why is this? class Computer { protected $type = 'null'; public function __construct($type) { $this->type = $type; } public function computertype() { $this->type = strtoupper($this->type); return $this->type; } } class Mouse extends Computer { protected $hasmouse = 'null'; public function __construct($hasmouse){ $this->hasmouse = $hasmouse; } public function computermouse() { if($this->hasmouse == 'Y') { return 'This Computer has a mouse'; } } } $pc = new Computer('PC', 'Y'); echo $pc->computertype; echo $pc->computermouse;

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  • Why is the operation address incremented by two?

    - by Gavin Jones
    I am looking at a Javascript emulator of a NES to try and understand how it works. On this line: addr = this.load(opaddr+2); The opcode is incremented by two. However, the documentation (see appendix E) I'm reading says: Zero page addressing uses a single operand which serves as a pointer to an address in zero page ($0000-$00FF) where the data to be operated on can be found. By using zero page addressing, only one byte is needed for the operand, so the instruction is shorter and, therefore, faster to execute than with addressing modes which take two operands. An example of a zero page instruction is AND $12. So if the operand's argument is only one byte, shouldn't it appear directly after it, and be + 1 instead of + 2? Why +2? This is how I think it works, which may be incorrect. Suppose our memory looks like: ------------------------- | 0 | 1 | 2 | 3 | 4 | 5 | <- index ------------------------- | a | b | c | d | e | f | <- memory ------------------------- ^ \ PC and our PC is 0, pointing to a. For this cycle, we say that the opcode: var pc= 0; //for example's sake var opcode= memory[pc]; //a So shouldn't the first operand be the next slot, i.e. b? var first_operand = memory[pc + 1]; //b

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  • CONCAT_WS rows in JOIN

    - by Alex Kiselev
    i have tables profiles (id, name, deleted) categories (id, name, deleted) profiles_categories (id, profile_id, category_id, , deleted) I have wrong query SELECT p.id, p.name CONCAT_WS(', ', c.name) AS keywords_categories FROM profiles p LEFT JOIN profiles_categories pc ON p.id = pc.profile_id LEFT JOIN categories c ON pc.id = c.id WHERE p.deleted = FALSE So, i want have result with all profiles with concan categories.name. Thanks

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