methods

rake throws an error: undefined method `reserved=' for #<FriendlyId

I run rake and I get this error. What's that supposed to mean? Sorry I'm newbie to RoR sb please help. Thanks a lot. undefined method `reserved=' for #<FriendlyId::ActiveRecordAdapter::Configuration:0x2b1ae5c2ec70> ...

Line by Line explanation of "Javascript: Good Parts" example?

I'm reading "Javascript: The Good Parts" and am totally baffled by what's really going on here. A more detailed and/or simplified explanation would be greatly appreciated. // BAD EXAMPLE // Make a function that assigns event handler functions to an array of nodes the wrong way. // When you click on a node, an alert box is supposed to ...

Call C# code-behind method with a <li> onclick...

Hey'all I got a li - list, one with an onclick: <ul class="tabs"> <li><a href="#tab1">Foobar_1</a></li> <li onclick="doMethod"><a href="#tab2">Foobar_2</a></li> <li><a href="#tab3">Foobar_3</a></li> <li><a href="#tab4">Foobar_4</a></li> </ul> Now, the method I want to call when clicked on a tab (the li's), updates...

c# passing method names as the argument in a method

hi guys, I have a recuring method which shows up many times in my code its basically checking to make sure that the connection to the odbc is ok and then connects but each time this method is called it calls another method and each instance of the main method this one is different, as each method is about 8 lines of code having it 8 tim...

get request.session from a model method in django

Hay, is it possible to a get a request.session value from a model method in django? MEGA UPDATE Here is my model class GameDiscussion(models.Model): game = models.ForeignKey(Game) message = models.TextField() reply_to = models.ForeignKey('self', related_name='replies', null=True, blank=True) created_on = models.DateTim...

python3: removing several chars from a string with a long chain of .replace().replace().replace()

I found this example on stack overflow. I understand it, but seems like a bit much for such a simple method concept... removing several chars from a string. import string exclude = set(string.punctuation) s = ''.join(ch for ch in s if ch not in exclude) is there a builtin string method in python 3.1 to do something to the tune of: ...

is it possible to write a method which creates a method?

hey guys, this might seem like a no brainer but hopefully after i explain my problem you might understand why i am asking this. is it possible to have a method which creates a method and its arguements? the problem: in my current project i have to many times call different sql statements which arent all that different. for example i...

Visual Studio code generated when choosing to explicitly implement interface

Sorry for the vague title, but I'm not sure what this is called. Say I add IDisposable to my class, Visual Studio can create the method stub for me. But it creates the stub like: void IDisposable.Dispose() I don't follow what this syntax is doing. Why do it like this instead of public void Dispose()? And with the first syntax, I coul...

Fatal error: Function name must be a string in.. PHP error

Hi I have a class called User and a method called insertUser(). function insertUser($first_name, $last_name, $user_name, $password, $email_address, $group_house_id) { $first_name = mysql_real_escape_string($first_name); $last_name = mysql_real_escape_string($last_name); $user_name = mysql_real_escape_string($user_name); ...

Create an instance from a static method

Hello, let's say I want my users to use only one class, say SpecialData. Now, this data class would have many methods, and depending on the type of data, the methods do different things, internally, but return externally similar results. Therefore my wanting to have one "public" class and other "private", child classes that would chang...

How do I put logic in a View a scope or method in a Model?

I have the following in the view: <% unless contact_email.statuses.empty?%> (<%= contact_email.statuses.find(:last).status%>) <% end %> contact_email is an instance of a specific model. Could I do something like this? class ContactEmail < ActiveRecord::Base attr_accessible :contact_id, :em...

Referencing and calling a method in JavaScript

I have some JavaScript/jQuery code that watches for the "changed" event on a checkbox: $(control).change(function() { alert("changed to: " + $(this).is(":checked")); }); This works fine. I'd like to create a reference to the change() function on the particular object, and call it indirectly, like so: var onSomeChange = $(control...

Is there an equivalent to C#’s Process.Start in PHP?

In .NET The Process class contains several useful properties/methods that allow developers to access process relative information. Is there any equivalent method or class in PHP? Is there any equivalent method in PHP like C# method "Process.Start()"? ...

how to show all method and data when the object not has "__iter__" function in python..

i find a way : (1):the dir(object) is : a="['__class__', '__contains__', '__delattr__', '__delitem__', '__dict__', '__doc__', '__getattribute__', '__getitem__', '__hash__', '__init__', '__iter__', '__metaclass__', '__module__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__setitem__', '__str__', '__weakref__',...

Generate set/get methods for a c++ class

Is there any tool that generates set and get methods for a class automatically. Just I create classes very frequently and would like to have a tool which for each class-member wil generate the following functions automatically: Member_Type getMemberName() const; //in header file Member_Type getMemberName() const //in source file { ...

Checking method visibility in PHP

Is there any way of checking if a class method has been declared as private or public? I'm working on a controller where the url is mapped to methods in the class, and I only want to trigger the methods if they are defined as public. ...

F#: Advantages of converting top-level functions to member methods?

Earlier I requested some feedback on my first F# project. Before closing the question because the scope was too large, someone was kind enough to look it over and leave some feedback. One of the things they mentioned was pointing out that I had a number of regular functions that could be converted to be methods on my datatypes. Dutifull...

Is any simple way to create method and set its body dynamically in C#?

I hold body of method in string. I want to create method dynamically. But I don't know, how to set its body. I saw very tedious way using CodeDom. And I saw using Emit with OpCodes. Is any way to use ready code from string variable? string method_body = "return \"Hello, world!\";"; //there is method body DynamicMethod dm = new System.Re...

GetRef to capture methods?

I've just discovered VBScript's GetRef function, which gets a reference to the function named by its argument. Is there any way to get a reference to a method in this way? I have a hunch that VBScript doesn't offer the sophistication of binding needed to do so, but it would sure be nice. ...

iPhone noob - different method types?

My apologies in advance for what is probably a really dumb question. I'm familiar (or at least getting familiar) with instance and class methods in objective-c, but have also seen method implementations that look like this: #import "Utilities.h" #import "CHAPPAppDelegate.h" #import "AppState.h" @implementation Utilities CHAPPAppDeleg...