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• How do i escape reserve names in a column? MySQL/Create Table

  - by acidzombie24

  I am generating tables from classes in .NET and one problem is a class may have a field name key which is a reserved mysql keyword. How do i escape it in a create table statement? (Note: The other problem below is text must be a fixed size to be indexed/unique) create table if not exists misc_info ( id INTEGER PRIMARY KEY AUTO_INCREMENT NOT NULL, key TEXT UNIQUE NOT NULL, value TEXT NOT NULL)ENGINE=INNODB;

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• Can UML be used to model a Functional program?

  - by iestyn

  More specifically, how do you model a functional program, or one developed using the Functional Style (without classes) using a diagram, and not textual representation, is it at all possible and could someone please direct me towards the nearest application that would do this (open source, of free as in beer, if you please)

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• Mocking with java 1.4

  - by Filip

  Is there any framework, whick allows to mock concrete classes, not only interfaces in java 1.4? I have third party code with a singleton class, where I wanna change one function, without touching orignal code. Is it possible?

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• Does java have a class that represents a timer?

  - by Eric

  I'd like a timer class that allows me to call: .start()   .getElapsedTime()   .stop()   .reset() Does Java have such a class, or do I need to use my own (which I've already written). From a best-practice point of view, I should use the Java class libraries classes if they exist, but I'm not sure whether this one does. Can anyone give me a link to the javadoc for this class, if it exists?

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• I need to model my Javascript application

  - by Totty

  Hy, I was looking for a software to model an application, because is becoming too big. Like this: Class - A Methods - a, b, c, d, e Class - B Methods - a, b, c, d, e This should be in graphical mode, Classes are some boxes, and the methods are in the box. Then I would like to be able to make a arrow from one method to another. Do you know some good software? thanks

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• Does the nginx “upstream” directive have a port setting?

  - by orzzzzz

  moved from:http://stackoverflow.com/questions/3748517/does-nginx-upstream-has-a-port-setting I use upstream and proxy for load balancing. The directive proxy_pass http://upstream_name uses the default port, which is 80. However, if the upstream server does not listen on this port, then the request fails. How do I specify an alternate port? my configuration: http{ #... upstream myups{ server 192.168.1.100:6666; server 192.168.1.101:9999; } #.... server{ listen 81; #..... location ~ /myapp { proxy_pass http://myups:81/; } } nginx -t: [warn]: upstream "myups" may not have port 81 in /opt/nginx/conf/nginx.conf:78.

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• symfony autocompletion in netbeans?

  - by fayer

  im using netbeans to code a web application with symfony. it seems that netbeans doesnt support symfony in auto completion. could one fix this problem. cause i want to be able to click on symfony's functions and get to the source, eg helper function and model methods and classes.

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• Can i use a model object directly in a find

  - by user340100

  Hi, Can i pass a_teacher directly into the find? or do i have to compare each of its attributes as i have done here? thanks a_teacher = Techer.new(:name => "Bob", :age => 30) self.classes.all(:conditions => ["teacher.name = ? AND teacher.age = ?", a_teacher.name,a_teacher.age], :joins => :teacher)

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• Objects with the same set of attributes and methods belongs to the same class?

  - by TiuTalk

  Objects with the same set of attributes and methods belongs to the same class? Can't I declare two identical classes with the same methods and attributes, instanciate them and have "objects with the same set of attributes and methods that belongs to different class"? This question is not about good practices... It's about the logical value (true or false) of the question on the title.

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• How do I make image hyperlinks have a background image?

  - by Richard

  I want all .jpg links to have a certain background image. so a link on a page like 'http://mysite/myimage.jpg' would automatically be prefixed with a small icon. Actually all links to images, ie .gif .png as well with the same icon. If the link is to a website, ie .htm/.php/.html/.asp it should have a different image. I want it to be through classes in CSS. Any help appreciated. TIA

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• how to I get the class name when I am passing in a genertic in my method?

  - by Blankman

  My method looks like: public string DoObjectProperties<T>(T obj, string text) { } Now from within the method, I need to get the string value of the class name that i pass into the method's 'obj' parameter. So if I pass in the User object, I need the text 'user'. To get the properties I am using: typeof(T).GetProperties() How can I get the classes name?

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• Given a PHP class would be the best and simplest way to override one or two of its methods with one

  - by racl101

  Here's the objective. I have a PHP class and there are one or two of its methods that I would like to override with my own. As I understand OOP (in PHP and in general) I could write a child class that extends it and overrides the functionality of the methods in question. However, I was wondering if this is the best way of achieving this task and if this is a proper use for child classes or if there is something better in PHP for what I'm trying to do.

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• What are the differences between various threading synchronization options in C#?

  - by user38834

  Can someone explain the difference between: lock (someobject) {} Using Mutex Using Semaphore Using Monitor Using Other .Net synchronization classes I just can't figure it out. It seems to me the first two are the same?

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• How to add two CSS Class to control in the code behind ?

  - by Space Cracker

  I am setting 2 css class in the code behind in ASP.NET I could either do: txtBox.Attributes.Add("class", "myClass1"); txtBox.Attributes.Add("class", "myClass2"); it's always apply one Class .. How can i add thw two classes ?

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• One log4j.xml - many scripts

  - by psed

  One of my utility jar files is used by different nix scripts, located in different categories. Problem: unable to initialize log4j framework (unable to find log4j.xml). Solution, that allows to configure logger correctly while launching jar classes by different scripts - usage of env vars and force configuring using DOMConfigurtor.configure(pathToConfXml) method. is it possible to avoid path hardcoding and configure logger inside of a script? Appreciate all your help. Thanks.

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• Would it make sense to have a separate Scala library in Android market?

  - by soc

  As far as I understand it is necessary for people using Scala for Android applications to bundle the Scala classes they used with their application. Considering this adds hundreds of kilobytes to each Scala app redundantly, would it be possible to build a Scala library which can be delivered over the market, so app writers can just depend on that library instead of bundling it themselves?

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• Why do we make a copy of final instance variable in a method in Java?

  - by PRK

  For instance: private final Object o; public void doSomething(){ final Object local = this.o; //access methods of local; } This practice is followed in lots of java classes (such as ArrayBlockingQueue). What's the benefit of this?

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• if i want to build logger class in c++ or java what should it be singletone or static

  - by user63898

  Hello all general question is i like to build logger class that writes to single log file from different classes in my application what should the logger class be singletone or static class

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• C++ shared objets

  - by Klaus

  Hello, I have got four classes A, B, C and D. Class A has a member b of class B. Class B has a member c of class C. A has a member D* dpointer; This hierarchy has to be preserved (in fact this is a GUI with app, window, panel as A, B and C). Now B and C must use a method from *dpointer. Is there something more elegant than giving dpointer as a member of B and C ?

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• Is it the best practice to extract an interface for every class?

  - by the_drow

  I have seen code where every class has an interface that it implements. Sometimes there is no common interface for them all. They are just there and they are used instead of concreate objects. They do not offer a generic interface for two classes and are specific to the domain of the problem that the class solves. Is there any reason to do that?

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• Can a trait state if a C++ class has a default constructor?

  - by Vicente Botet Escriba

  Traits classes can be defined to check if a C++ class has a member variable, function or a type (see here). Curiously, the ConceptTraits do not include traits to check if a C++ class defines a default constructor or given constructor? Can traits be used to check the constructor presence? If yes, how? If not, why it is not possible?

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• Why does Joomla not use private, public and protected keywords?

  - by jax

  I noticed that Joomla uses less secure var type for variables in classes Why is this? In my own components,plugins,modules should I follow this convention or use a more secure private, public and protected keywords.

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• Is it possible for an abstract class to force it's children to have a constructor in PHP?

  - by Logan Serman

  I would like to do something like this: abstract class Foo { public function __construct() { echo 'This is the parent constructor'; } abstract function __construct(); } class Bar extends Foo { // constructor is required as this class extends Foo public function __construct() { //call parent::__construct() if necessary echo 'This is the child constructor'; } } But I get a fatal error when doing this: Fatal error: Cannot redeclare Foo::__construct() in Foo.php on line 8 Is there another way to ensure child classes have a constructor?

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• What pitfalls (if any) are there to learning C/C++ as a first language?

  - by thyrgle

  Hi, I first learned C++ then moved to C (I know kind of backwards) and then I found a thing called iTunes U and began watching programming classes to extend my knowledge and noticed that Stanford and MIT both did not teach C or C++ as an introduction to computer programming. Then I began to wonder why they didn't begin teaching C/C++ because I thought C/C++ was more efficient than Java (which Stanford taught) and Python (which MIT taught). Or maybe there is no particular reason?

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• if i call an interface method will it get the method body from implementation class and execute ?

  - by sij

  please forgive me if i am wrong: I have an interface Interface1 I have its implementation Imple implements Interface (all methods hav been implemented :) ) now consider a third class CheckCall can I do a call in the class CheckCall like I mention below Interface1 interface1; interface1.method(); all necessary imports have been done. Please tell me is it possible or not , if not then ok and if yes then tell me what will happen if i have more than one impl classes for the same interface and i am doing the same call.

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