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• Need complete picture of virtual adress space

  - by claws

  Hello, This image gives a good picture about Virtual Adress space. But it only says half of the story. It only gives complete picture of User Adress space ie.. lower 50% (or 75% in some cases). What about the rest 50% (or 25%) which is occupied by the kernel. I know kernel also has so many different things like kernel modules , device drivers, core kernel itself. There must be some kind of layout right? What is its layout? If you say its Operating System dependent. I would say, there are two major operating systems Windows & Linux. Please give answer for any one these.

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• How to deal with a coworker who keeps asking instead of searching herself?

  - by mafutrct

  I'm lucky enough to share a room with 3 other people at work. One of them, a senior programmer who's very talkative in general, tends to ask me various questions throughout the day. While some of them are surely ' legitimate', many questions could have been answered by putting in just slightly more search effort on their part. I really don't mind be asked stuff, and I can also cope with beginner questions, but this is seriously interrupting my flow. I clearly remember Joel talking about how private offices increase productivity because they prevent too easy questions from being asked. How should I deal with this situation? Getting a private office is out of the question, sadly. It's difficult to approach him directly, and he blissfully ignored the slight hints I tried to give.

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• How to create a drop down menu like the one displayed on Amazon?

  - by webdev_newbee

  I am kind of new to web development. I am trying to create a drop down menu, something I have now is like: <select> <option value="volvo">Volvo</option> <option value="saab">Saab</option> <option value="opel">Opel</option> <option value="audi">Audi</option> </select> but this is not exactly what I want. I want to create a drop down list very similar to the one on Amazon.com (the dropdown list beside "Search"), shown in following pic. so whenever user click on the button, the list will be displayed in the button as text. Please feel free to give me any ideas. Thank you,

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• giving garbage value while trying to store a md5 hash in a file in python

  - by mekasperasky

  m=md5.new() a=10111011 >>> m.update(str(a)) >>> k=m.digest() >>> k '\xec\x9d1\x89e\x08\xa1\xc2Y\xf6\xbf6\xfe\xe4\xe2M' >>> f.write(str(k)) >>> f.flush() the file f is filled with garbage value which i cant use to read again for further use of the hash . Why does it give the garbage value when on the python terminal it gives proper output?And the worst part is file goes corrupt ..

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• How to pass and set a CGFloat by reference?

  - by mystify

  I want to make an method which takes an CGFloat by reference. Could I do something like this? - (void)doStuff:(CGFloat*)floatPointer I guess this must look different than other object pointers which have two of those stars. Also I'm not sure if I must do something like: - (void)doStuff:(const CGFloat*)floatPointer And of course, no idea how to assign an CGFloat value to that floatPointer. Maybe &floatPointer = 5.0f; ? Could someone give some examples and explain these? Would be great!

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• Windsor + NHibernate + ISession + MVC

  - by dbones

  Hi I am trying to get Windsor to give me an instance ISession for each request, which should be injected into all the repositories Here is my container setup container.AddFacility<FactorySupportFacility>().Register( Component.For<ISessionFactory>().Instance(NHibernateHelper.GetSessionFactory()).LifeStyle.Singleton, Component.For<ISession>().LifeStyle.Transient .UsingFactoryMethod(kernel => kernel.Resolve<ISessionFactory>().OpenSession()) ); //add to the container container.Register( Component.For<IActionInvoker>().ImplementedBy<WindsorActionInvoker>(), Component.For(typeof(IRepository<>)).ImplementedBy(typeof(NHibernateRepository<>)) ); Its based upon a StructureMap post here http://www.kevinwilliampang.com/2010/04/06/setting-up-asp-net-mvc-with-fluent-nhibernate-and-structuremap/ however, when this is run, a new Session is created for every object it is injected too. what am I missing? thanks in advanced (FYI the NHibernateHelper, sets up the config for Nhib)

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• scrolling in both directions at the same time...like in many games

  - by Angel

  Hi, I want to create a game which has a grid view...like 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 5 6 7 8 9 3 1 3 2 4 6 7 8 9 1 4 6 3 1 5 6 8 9 1 4 6 4 4 7 8 1 5 7 8 8 what i want to do is on my screen it should display only a part of it that is 1 2 3 4 1 2 3 4 1 5 6 7 Rest all should be hidden and scrollable in both the directions at the same time (diagonally) Please give inputs.. Should i use canvas and over it gridView or simply a grid view.. . If yes then how? Thanks

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• more efficient version of this?

  - by john connor

  i have this thingy here : function numOfPackets(bufferSize, packetSize) { if (bufferSize <= 0 || packetSize > bufferSize) return 0; if (packetSize < 0) throw Error(); var out = 0; for(;;){ out++; bufferSize = bufferSize - packetSize; if( packetSize > bufferSize ) break; } return out; } which i run at often , can u give me more efficent variant of it?

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• IIS 6 Private Key certificate access

  - by gaizkile

  Hi, We have a Web asp.net application running in the framework 2.0 and hosted in an IIS 6 server, and the OS is windows server 2003. The web application is suing a client certificate to be authenticated by a web service. We have impersonalized the application pool with de user “Network Service”. The problem is when we have to access to the private key of the certificate that is stored in the machine key/my storage. The user Network Service cannot access the key. We have given privileges to the Network Service user using the winhttpcertcfg.exe tool, however the result is the same. When we impersonalize the application pool with the local administrator the result is successfully. Therefore we think that the problem is the privileges of the user. If someone could give us some information about, we would be gratefully. Thanks in advance

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• Can't remove first node in linked list

  - by carlmonday

  I'm trying to make a linked list class in python (pointless I know, but it's a learning exercise), and the method I have written to remove a node doesn't work if I try to remove the first element of the linked list. If the node to be removed is anywhere else in the linked list the method works fine. Can someone give me some insight as to where I've gone wrong? Here's my code thus far: class Node: def __init__(self, data=None, next=None): self.data = data self.next = next def __repr__(self): return repr(self.data) def printNodes(self): while self: print self.data self = self.next def removeNode(self, datum): """removes node from linked list""" if self.data == datum: return self.next while self.next: if self.next.data == datum: self.next = self.next.next return self self = self.next

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• algorithm to combine data for linear fit?

  - by BoldlyBold

  I'm not sure if this is the best place to ask this, but you guys have been helpful with plenty of my CS homework in the past so I figure I'll give it a shot. I'm looking for an algorithm to blindly combine several dependent variables into an index that produces the best linear fit with an external variable. Basically, it would combine the dependent variables using different mathematical operators, include or not include each one, etc. until an index is developed that best correlates with my external variable. Has anyone seen/heard of something like this before? Even if you could point me in the right direction or to the right place to ask, I would appreciate it. Thanks.

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• linux cpu usage

  - by davidbobo

  I am working on unix. I want to knwo the current cpu usage of a process. I understood that ps give the average of cpu used till the process is up - it is not the current usage. Is there a way to print only the cpu from the top command without 10 more parameters and headers? I know how to do it with awk - this is not the way i want to do it. top -p 20705 -bc -n 1 | tail -n 2 | awk '{ print $9}' | head -n 1 If there is another simple way to do it, not reading /proc/stat... If there is a simple way doing it from c++, it is also ok.

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• C# Using Reflection to Get a Generic Object's (and its Nested Objects) Properties

  - by Jimbo

  This is a scenario created to help understand what Im trying to achieve. I am trying to create a method that returns the specified property of a generic object e.g. public object getValue<TModel>(TModel item, string propertyName) where TModel : class{ PropertyInfo p = typeof(TModel).GetProperty(propertyName); return p.GetValue(item, null); } The code above works fine if you're looking for a property on the TModel item e.g. string customerName = getValue<Customer>(customer, "name"); However, if you want to find out what the customer's group's name is, it becomes a problem: e.g. string customerGroupName = getValue<Customer>(customer, "Group.name"); Hoping someone can give me some insight on this way out scenario - thanks.

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• How to prevent inputting Russian characters in Word with a Word addin?

  - by Edwin

  Hi, Sorry for this vaguely described problem, but please look at the problem from the Win32 API's perspective. I'm writing a Word addin using Addin Express with Delphi, and I use some other 3rd party VCL's also, including virtual stringtree, TNT controls, etc. Now I cannot input Russian characters in Word anymore, but I can input English and Chinese.... Since it's a large project I don't know where to start finding the problem, would you give me some generic tips, I'll be appreciated that! Thank you, and have a nice day!

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• How do I make "simple" throughput j2ee-filter?

  - by Tommy

  I'm looking to create a filter that can give me two things: number of request pr minute, and average responsetime pr minute. I already got the individual readings, I'm just not sure how to add them up. My filter captures every request, and it records the time each request takes: public void doFilter(ServletRequest request, ...() { long start = System.currentTimeMillis(); chain.doFilter(request, response); long stop = System.currentTimeMillis(); String time = Util.getTimeDifferenceInSec(start, stop); } This information will be used to create some pretty Google Chart charts. I don't want to store the data in any database. Just a way to get current numbers out when requested As this is a high volume application; low overhead is essential. I'm assuming my applicationserver doesn't provide this information.

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• How to create custom CSS "on the fly" based on account settings in a Django site?

  - by sdolan

  So I'm writing a Django based website that allows users select a color scheme through an administration interface. I already have middleware/context processors that links the current request (based on domain) to the account. My question is how to dynamically serve the CSS with the account's custom color scheme. I see two options: Add a CSS block to the base template that overrides the styles w/variables passed in through a context processors. Use a custom URL (e.g. "/static/dynamic/css//styles.css") that gets routed to a view that grabs all the necessary values and creates the css file. I'm content with either option, but was wondering if anyone else out there has dealt with similar problems and could give some insight as to "Best Practices".

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• Can I use MPI_Probe to probe messsages sent by any collective operation?

  - by takwing

  In my code I have a server process repeatedly probing for incoming messages, which come in two types. One type of the two will be sent once by each process to give hint to the server process about its termination. I was wondering if it is valid to use MPI_Broadcast to broadcast these termination messages and use MPI_Probe to probe their arrivals. I tried using this combination but it failed. This failure might have been caused by some other things. So I would like anyone who knows about this to confirm. Cheers.

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• IE or Firefox,which one has a more logical CSS handling ?

  - by Najm

  hello there , i know that there is some rules and standards in css handling but i mean which one is closer to a human thinking. for example : when i give a DIV tag a height property of 100px i just want it to be 100px! but in Firefox i should work on min-height or max-width and so on ! there is many like this examlpe , i think IE read css more humanestic against Firefox. i have several experiences in this case , your final nice design in IE can be a mess in Firefox thats because of the way they handle css. Firefox act as a robot but IE act as a human-half robot ! its just my idea. i will be glad to hear and learn from you proffesionals and other friends here. thank you.

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• Find all numbers that appear in each of a set of lists

  - by Ankur

  I have several ArrayLists of Integer objects, stored in a HashMap. I want to get a list (ArrayList) of all the numbers (Integer objects) that appear in each list. My thinking so far is: Iterate through each ArrayList and put all the values into a HashSet This will give us a "listing" of all the values in the lists, but only once Iterate through the HashSet 2.1 With each iteration perform ArrayList.contains() 2.2 If none of the ArrayLists return false for the operation add the number to a "master list" which contains all the final values. If you can come up with something faster or more efficient, funny thing is as I wrote this I came up with a reasonably good solution. But I'll still post it just in case it is useful for someone else. But of course if you have a better way please do let me know.

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• C# Why is a treeview node clicked when canceled is set to true?

  - by Martijn

  In my winform application I have a treeview. To give the idea that a node is disabled I set the node's forecolor and I when the BeforeSelect fires I set e.cancel to true. However when a node's tag meets some criteria a node may be selected. So that's why I have a NodeMouseClick. But when a node may not be clicked I set the e.cancel to true in the BeforeSelect event. The problem now is, the NodeMousClick event is always fired and all the code is ececuted, even when I set e.cancel to true in the BeforeSelect event. Why is that?

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• Best practices for packaging resources (jpg's, sound, video) in an iPhone app?

  - by Mel

  I'm a newb iPhone developer writing an app that has several large JPGs and sound files. Everything works ok if I drag these non-code resources into my project. But I am wondering if this is the right way to package my app. In Windows development, I would create a "resource DLL" that keeps the .exe size small. What is the equivalent for iPhone? I think I should be creating a "bundle" - can someone please give me some pointers to using these and how to link them into my main project? Thanks!

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• [help]Website Process Code

  - by user1915555

  i am new to here...i want a big help...help me...:d look at this website link and go through the procces and download the pdf or text file... http://www.doyourownwill.com/do-your-will-online.html and tell me how to do that plz....this is a big help to me..plz help me..:d when you are going through the proces u can see the link like this... http://www.doyourownwill.com/do-your-will/case-2.html?step=2 tell me how to do that...plz before give the answers watch the full process of that site... I am waiting for great reply...:d

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• A brief question about JS or AJAX

  - by Luke

  I have been finding ways around this for a long time but think it's time I addressed it. If I have a page that has a dropdown menu, is there anyway I can select a value which will subsequently load other values further down. Can this be done without a page reload? I will give you an example. Say I was making some tools for an admin panel, but first of all they needed to select a member to work with. They would select the member and then below, the fields about that member would be populated based on what was selected in the first menu. As I have already asked, can this be done without a page reload? Thanks for reading.

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• Microsoft.Practices.ObjectBuilder

  - by nishant

  I have installed the application on the client's server. Here's the issue though.. The client's server is running on medium trust. With medium trust godaddy does not give persmissions to certain files. If you go to the following URL : http://helpingyougethired.com/Introduction.aspx you will see the error : Could not load file or assembly 'Microsoft.Practices.ObjectBuilder. If I delete the "Microsoft.Practices.ObjectBuilder.dll" and "Microsoft.Practices.ObjectBuilder.xml", the pages load. But when I try to save the form, I get some error related to this dll. So I need to find an alternative for this dll. I cannot use this DLL. my save, delete, select process is depend on this dll plz provide any solution if u have. thanks in advance

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• getting the url of the page and the url of the selected hyperlink

  - by Dan

  Hi This is pretty hard to explain but i'll give it a shot. Working with Safari to create an extension as is now possible with Safari 5 - how would I go about getting the URL of the current page with using JavaScript and the Safari API? I would also like to be able to get a hyperlink that is selected. For instance in Safari when you right click on a hyperlink and it says open in a new tab, open in a window etc - clicking opens that hyperlink. What part of the API is used to get access to the link itself, and how does it know its a link in the first place? I hope thats clear enough. Thanks

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