I have this method to post the value to the "/store/add_to_cart" <form action = "/store/add_to_cart" method="post"> <% for product in @products -%> <div class = "entry"> <%= product.title %> <%= product.price %> <p> </div> <% end %> <%= select( "payment", "id", { "Visa" => "1", "Mastercard" => "2"}) %> <%= submit_tag 'Make Order' %> <...
I use this to loop the products... <% form_for :product, @products, :url => { :action => "add_to_cart" } do |f| %> <%= product.title %> <%= product.price %> <%= submit_tag 'Make Order' %> <% end %> In my DB, I have product: title:abc price:874 title:cde price:98 title:efg price:18 but I can only get the efg 18.0 in my result, I m...
I encountered this error when I attempted to insert something into a MySQL table. What's the possible reason? How to solve this problem? The raw value of "budget" is 800元, when inserted, it became 800, 元 is missing. ...
I'm trying to use the Microsoft Application Verifier (ver. 4) to debug my ISAPI filters but when I tell App verifier to monitor w3wp.exe (the only test enabled is the Heaps) the server is non responsive and when I look at the even log I see an error for every request I made to the IIS, the error is: Failed to execute request because the ...
I'm just getting started learning FreeScale DSCs (MC56F800x series). I've done some work with AVRs using both AVR Studio on Windows and Eclipse and avr-gcc on Linux. CodeWarrior is just not as intuitive. Right now I'm stuck trying to debug a simple program. I start the debugger using the built-in simulator, but it never reaches the fir...
HTML code: The HTML code is dynamically created. <li> <div class="above">What do I like best?</div> <div class="below"> <label>Answer:(1 words)</label> <input id="question6" type="text" size="5"/> <label id="sign6"/> </div> </li> <li> <div class="above">What city do I like?</div> <div class="bel...
Hi there. I'm getting alot of issues lately in a project im working on with databinding. When im about to display a certain form that has bindings inside its controls, the .Show method throws expcetions regarding the binding - "Cannot bind to property or column on datasource. Parameter name: dataMember.". Now, I'm quite aware this is a...
I was wondering if there's a tool or a component for Delphi that can trace method execution line by line and create a log file. With this kind of tool it is easy to compare how method performs on two sets of input data by comparing two log files. EDIT: Let's say there is a function 10: function MyFunction(aInput: Integer): Integer; 1...
I am attempting to debug a stored procedure using the Debug option is SQL Query Analyzer (Version 8.00). However, the debugger run through the whole stored procedure as soon as I start and if add a break-point and try re-executing the sp, the break-point is ignored. What do I need to do to enable debugging? The server is SQL Server 2000 ...
How can I figure out where a request is made in a javascript application? I'm debugging a large application which generates an incorrect HTTP request somewhere. I believe I haven't configured something properly with the API generating the request (Google Maps). If I could figure out where the request is made, then I could trace back to...
In vb.net 2008, when I start a new project, it defaults to "Enable Application Framework." I add the following code to a button click handler to the main form in the new project: Dim k As Integer Dim s As String For k = 1 To 5000000 s = Mid(s & k, 1, 30) Next k End Sub Then, when I try to break execution to debug using the pause but...
I have a core file I am examining. And I am just stumped at what can be the possible causes for this. Here is the behavoir: extern sampleclas* someobj; void func() { someobj->MemFuncCall("This is a sample str"); } My crash is inside MemFuncCall. But when I examine core file, someobj has an address, say abc(this address is properly...
I generally use dbx for debugging C code. How do we log the complete session of the dbx from the point I started to the point I fired the quit command in dbx? ...
I need magic tool, that helps me to understand where one my problem variable is changed in the code. I know about perfect tool: pdb.set_trace() and I need something similar format, but about only one variable changing history. For example, my current problem is strange value of context['request'] variable inside Django's tag templa...
I'm writing some R code that calls other code that may fail. If it does, I want to print a stack trace (to track down what went wrong), then carry on regardless. However, the traceback() function only provides information about uncaught exceptions. I can get the result I want via a rather complex, natty construction involving tryCatch an...
It's mentioned in http://sourceware.org/ml/gdb/2007-06/msg00360.html before. But no one seemed to have actually implemented this kind of idea. Is there any obstacles for realizing this? My requirements are the following: Being able to plugin to any elf binary executable (ex. by using LD_PRELOAD) The binary may be a multithreaded ex...
this happened quite randomly. I didn't delete any tableview cell, the backtrace information: Assertion failed: (d->entry[identifier.glyph] == g), function evict_glyph_entry_from_strike, file Fonts/CGFontCache.c, line 810. Program received signal: “SIGABRT”. (gdb) bt #0 0x97da5972 in __kill () #1 0x97da5964 in kill$UNIX2003 () #2 0x9...
When I try to see the internal list of Dictionary item I hate to expand every single node one by one. I'm looking for an easier way to do this. For example: I've got a Dictionary object Dictionary(Of AnotherObject, Integer) and I want see a property of AnotherObject as a list during the debug. Normally I'd use this: For Each item As ...
What’s the equivalent of System.Diagnostics.Debugger.Break(); in the Java world? Purpose: I have a tomcat based webapp launched by a custom build tool and need to debug the application in eclipse. In the .net world the above statement when encountered will prompt the OS to attach a debugger and I can attach Visual Studio to deb...
Hello, I'm trying to debug some C++ code but I can't see the values in a multi-dimensional array while debugging I have a dynamically allocated pointer (double **A). When I try to watch the value of this array I just get the first value, I can't see the remaining values. Any ideas? TIA ...