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• Using Variables for Class Names in Python?

  - by Sam McAfee

  I want to know how to use variables for objects and function names in Python. In PHP, you can do this: $className = "MyClass"; $newObject = new $className(); How do you do this sort of thing in Python? Or, am I totally not appreciating some fundamental difference with Python, and if so, what is it?

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• Persisting and applying Linq Query to collection

  - by MattiasK

  I have a scenario where I would want a plugin to construct a LINQ (to objects) query, send it across an appdomain and then apply and run it against a collection of my choosing Is it possible, how? If not, perhaps I could send a whole method (interface) across the appdomain and run it against the data on the appside? The main thing is that I want the data to reside in the CurrentDomain and the logic for operating on it in the plugin so I don't have to send the data across the boundary...

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• VB.net Regular Expression

  - by xzerox

  Alright so I want to grab the information on a website thats between [usernames] and [/usernames] I know how to get the string but how would I use regex to only have the information in the middle. Remember I am going to be having more then one thing on the page.

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• Can I the result that did FetchPage and can do FetchPage more in Yahoo!Pipes ?

  - by ffffff

  I do scrape of a page with Yahoo!Pipes and want about scrape doing other pages with this result more. For example [FetchPage] -[Regex] Based on it [URLBuilder] I want to do input of URLBuilder in Path, but will such a thing be possible?

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• CTRL+mouse wheel in gvim (windows) not paging

  - by andrew

  Hello, I'm loving vim, but one thing that's bugging me is that when I hold the control key and mouse wheel up or down, the window scrolls normally when the bindings are telling it to page up/down. I'm using the exact same vimrc file (and plugins) on one of my linux machines and the CTRL+mouse wheel does page up down (as opposed to just normally scrolling like in windows). Is there some way to force gvim to response to a ctrl+MouseUp/Down event? It seems to be ignoring it in windows ='[

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• What is the correct way to create a single instance application?

  - by Nidonocu

  Using C# and WPF under .net (rather than WindowsForms or console), what is the correct way to create an application that can only be run as a single instance? I know it has something to do with some mythical thing called a mutex, rarely can I find someone that bothers to stop and explain what one of these are. The code needs to also inform the already running instance that the user tried to start a second one, and maybe also pass any command line arguments if any existed.

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• How to treat RAM data as if it was a real file?

  - by Ole Jak

  So I have some temp data in my prorram (in RAM) I want to somehow make it seem as it is file (for example for sending it into another program which takes a file link as argument)? Is it possible? How to do such thing?

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• javascript string difference

  - by Konrad

  What is the difference (if any) between the javascript strings defined below? var str1 = "Somestring"; var str2 = 'Somestring'; "" and '' mean two very different things to me predominantly writing code in C++ :-) EDIT: If there is no difference why are there two ways of achieving the same thing and which is considered better practice to use and why. Thanks!

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• Would showing primary key to the public be potential security risk?

  - by Bilzac

  Well the question is self-explanatory. One more thing would be, if it is a security risk then please provide an example of what the user could do. In this case the primary key would be something like : "Product ID" Thanks!

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• Challenging yourself as a programmer?

  - by Kevin

  We used to be a Coldfusion development shop before hopping over to PHP in 2008, now we primarily develop custom Drupal websites. I enjoyed going from CF to PHP, but I feel like I am getting a bit stale. I have been looking at different things like Ruby, Python, Obj C (iPhone). The problem is, there just isn't enough time in the day. What would be a fun new thing to learn that would refresh me a bit and challenge myself to learn more?

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• How do I execute a stored procedure once for each row returned by query?

  - by Ryan

  I have a stored procedure that alters user data in a certain way. I pass it user_id and it does it's thing. I want to run a query on a table and then for each user_id I find run the stored procedure once on that user_id How would I write query for this? SQL SERVER

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• How can I link two Java serialised objects back together?

  - by Kidburla

  Sometimes (quite a lot, actually) we get a situation in Java where two objects are pointing to the same thing. Now if we serialise these separately it is quite appropriate that the serialised forms have separate copies of the object as it should be possible to open one without the other. However if we now deserialise them both, we find that they are still separated. Is there any way to link them back together? Example follows. public class Example { private static class ContainerClass implements java.io.Serializable { private ReferencedClass obj; public ReferencedClass get() { return obj; } public void set(ReferencedClass obj) { this.obj = obj; } } private static class ReferencedClass implements java.io.Serializable { private int i = 0; public int get() { return i; } public void set(int i) { this.i = i; } } public static void main(String[] args) throws Exception { //Initialise the classes ContainerClass test1 = new ContainerClass(); ContainerClass test2 = new ContainerClass(); ReferencedClass ref = new ReferencedClass(); //Make both container class point to the same reference test1.set(ref); test2.set(ref); //This does what we expect: setting the integer in one (way of accessing the) referenced class sets it in the other one test1.get().set(1234); System.out.println(Integer.toString(test2.get().get())); //Now serialise the container classes java.io.ObjectOutputStream os = new java.io.ObjectOutputStream(new java.io.FileOutputStream("C:\\Users\\Public\\test1.ser")); os.writeObject(test1); os.close(); os = new java.io.ObjectOutputStream(new java.io.FileOutputStream("C:\\Users\\Public\\test2.ser")); os.writeObject(test2); os.close(); //And deserialise them java.io.ObjectInputStream is = new java.io.ObjectInputStream(new java.io.FileInputStream("C:\\Users\\Public\\test1.ser")); ContainerClass test3 = (ContainerClass)is.readObject(); is.close(); is = new java.io.ObjectInputStream(new java.io.FileInputStream("C:\\Users\\Public\\test2.ser")); ContainerClass test4 = (ContainerClass)is.readObject(); is.close(); //We expect the same thing as before, and would expect a result of 4321, but this doesn't happen as the referenced objects are now separate instances test3.get().set(4321); System.out.println(Integer.toString(test4.get().get())); } }

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• Windows demangling library

  - by pinkbelly

  I'm looking for an open source library to do Windows executable symbol name demangling. Does such a thing exist or must I use the Microsoft libraries?

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• java:I am trying to create Shotcut of any abc.exe through java program.

  - by Sanjeev

  I am making an installer in java swing it almost completed only one thing is left to do that is to create desktop shortcut of our software.I do not want to copy software on desktop but I want to create instance of that software like other MS software. How it can be done please help me. I am already copied my software in c:/Program files by using copy directory and I want to create shortcut on desktop .

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• Ruby on Rails has_many minimun

  - by user273119

  Look: class User < ActiveRecord::Base has_many :scores, :order => 'score DESC',:autosave =>true, end class Score < ActiveRecord::Base belongs_to :user end Now, I want to order the users by the maximun score of each one, The thing is that i need to get a user, two up and two down users like a top 5 scores how can I do that???? please is urgent!!

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• How to make CMake to generate KDE-style makefiles with progress tracking?

  - by mhambra

  Generating moc_krvfshandler.cpp [ 2%] [ 2%] Building CXX object krusader/GUI/CMakeFiles/GUI.dir/GUI_automoc.o Building CXX object krusader/DiskUsage/CMakeFiles/DiskUsage.dir/DiskUsage_automoc.o [ 2%] Building CXX object krusader/Dialogs/CMakeFiles/Dialogs.dir/Dialogs_automoc.o Generating moc_krmousehandler.cpp [ 3%] Building CXX object krusader/ActionMan/CMakeFiles/ActionMan.dir/actionman.o Generating moc_packjob.cpp [ 4%] Building CXX object krusader/Dialogs/CMakeFiles/Dialogs.dir/krsqueezedtextlabel.o Generating moc_krpreviews.cpp [ 4%] Built target VFS_automoc [ 4%] Generating moc_krvfsmodel.cpp Wanted the same thing.

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• iPhone/iPad - issues with NavigationBar button ?

  - by user532445

  I my application i have added button in NavigationBar like this.. UIBarButtonItem *more=[[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"search-25by25.png"] style:UIBarButtonItemStylePlain target:self action:@selector(SelectMission:)]; self.navigationItem.rightBarButtonItem = more; When i am clicking on button application get's shutdown... If i am doing same thing with normal button it's working fine can any one help me why it's behaving like this?

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• CURL alternative in Python

  - by Gaurav

  I have a cURL call that I use in PHP: curl -i -H 'Accept: application/xml' -u login:key "https://app.streamsend.com/emails" I need a way to do the same thing in Python. Is there an alternative to cURL in Python. I know of urllib but I'm a Python noob and have no idea how to use it.

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• How to compile many java class?

  - by iownfloppydisk

  i got some source code here. the thing is that they are separated to one another. How can i compile them all? cause im use to compile single class only

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• How to use a photo that has just been uploaded to Tomcat v6?

  - by Zombie_Colonel

  In an android application a user can upload a picture to a Tomcat server v6 in (Projet\WebContent\images) A second user can come at the same time display the picture thing not work it shows me: The requested resource is not available. I did what? I have to reboot the server? refresh? in a PHP page I upload pictures and then they are simply viewed by the user, for cons there I find difficulty with JEE

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• how to use XML in Sdk for web base application ?

  - by asad26

  hi every one I'm want to know how's correct way to use Xml in sdk for web base application i'm trying to do magazine in iphone but they told me that i have to use XML to take body and other thing from that web site? please some one direct me to that and if you have any tutorial for that thanks

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• What kind of bad things would happen if you write the whole class in a single file in C++?

  - by gilbertc

  In C# or Java, class are declared and defined at the same time. In C++, the norm is to write .h and .cpp files separately. What if, we write the whole class in one , say .cpp, file and include that with include guards and stuffs in files that references to it, what kinds of bad thing technically would happen?

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• javascript: browser size (width and height)

  - by dono

  I'm trying to detect the browser's current size (width and height). I know it's super easy in jquery with $(document).width and $document.height, but I don't want to add the size of the jquery lib to the project, so I'd rather just use built in javascript. What would be the short and efficient way to do the same thing with javascript?

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• How to handle execvp(...) errors after fork()?

  - by Lukasz Lew

  I do the regular thing: fork() execvp(cmd, ) in child If execvp fails because no cmd is found, how can I notice this error in parent process?

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• Javascript regular expression pattern (.+?)

  - by webzide

  Deal experts, I am kinda new to this Regex thing. When I was analyzing some codes, I frequently come across the pattern .+? or (.+?) I can't seem to find the meaning of this pattern using my noobish deductive reasoning.

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