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  • Lamda functions in php

    - by Oden
    Hey, Im really interested in the way of using lamda functions. Does it make sense to use them in a high-level programming language? If yes, why? Is this really just a function embedded in a function, (Like this) or is there more behind?

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  • Why build Javascript functions as JQuery plugins?

    - by Mohammad
    I've seen alot of JQuery implementations of existent JavaScript functions that merely wrap the JavaScript code in a JQuery wrapper and don't actually rely on any of JQuery's base for their operation. What are the benefits of using Javascript as a JQuery plugin? If there are none is there a speed loss to use a JQuery plugin that could have easily been implemented outside the wrapper just as well? Many thanks in advance (just trying to learn something here).

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  • Frustration with superuser.com user interface (please migrate this to "meta")

    - by Randolf Richardson
    Can someone please migrate this question to "meta" for me? I'm unable to post there while I wait for OpenID to fix my password problems. Thanks. I'm having problems with superuser.com's interface -- when I provide an answer to a question, sometimes the buttons get locked and then I find out that the question was migrated. Usually I can go back and copy-and-paste my answer at whatever site it goes to, but on occasion my answer is lost and I have to re-type it. This is very time-consuming, and makes it quite frustrating to use the system. In addition, I find that I'm wasting a lot of time dealing with having to re-register on the other sites. My suggestion is to not de-activate the "Submit answer" button but to just forward that along to the migrated site automatically, thus ensuring that answers that people put a lot of effort into don't get lost. Thanks in advance.

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  • How to draw some lines in a view element defined in the xml layout

    - by Nils
    Hello, I have problems drawing some simple lines in a view object (Android programming). First I created the layout with the view element(kind of painting area) in it (XML file). [...] < View android:id="@+id/viewmap" android:layout_width="572px" android:layout_height="359px" android:layout_x="26px" android:layout_y="27px" [...] ... and tried then to access it to draw some lines. Unfortunately the program is running and other UI elements like buttons are displayed, but I can't see the drawings. What's wrong ? [...] viewmap = (View) findViewById(R.id.viewmap); Canvas canvas = new Canvas(); viewmap.draw(canvas); Paint p = new Paint(); p.setColor(Color.BLUE); p.setStyle(Paint.Style.STROKE); canvas.drawColor(Color.WHITE); p.setColor(Color.BLUE); canvas.drawLine(4, 4, 29, 5, p); p.setColor(Color.RED); viewmap.draw(canvas); [...] Thanks for help :) !

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  • Database: storing data from user registration form

    - by teggy
    Let's say I have an user registration form. In this form, I have the option for the user to upload a photo. I have an User table and Photo table. My User table has a "PathToPhoto" column. My question is how do I fill in the "PathToPhoto" column if the photo is uploaded and inserted into Photo table before the user is created? Another way to phrase my question is how to get the newly uploaded photo to be associated to the user that may or may not be created next. I'm using python and postgresql.

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  • Java HTTP Client Request with defined timeout

    - by Maxim Veksler
    Hello, I would like to make BIT (Built in tests) to a number of server in my cloud. I need the request to fail on large timeout. How should I do this with java? Trying something like the below does not seem to work. public class TestNodeAliveness { public static NodeStatus nodeBIT(String elasticIP) throws ClientProtocolException, IOException { HttpClient client = new DefaultHttpClient(); client.getParams().setIntParameter("http.connection.timeout", 1); HttpUriRequest request = new HttpGet("http://192.168.20.43"); HttpResponse response = client.execute(request); System.out.println(response.toString()); return null; } public static void main(String[] args) throws ClientProtocolException, IOException { nodeBIT(""); } } -- EDIT: Clarify what library is being used -- I'm using httpclient from apache, here is the relevant pom.xml section org.apache.httpcomponents httpclient 4.0.1 jar

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  • User directory in PATH in zsh: ~ Does Not Work

    - by Yar
    I'm doing this in my .zshrc PATH="~/scripts:$PATH" and if I do echo $PATH it appears as the first thing in the path. Yet this directory isn't included in the executable path (nor for tab-completion). What am I doing wrong? ls ~/scripts shows the directory as expected. Edit: This works, though... I guess ~ doesn't work in the path? #PATH="~/scripts:$PATH" PATH="/Users/yar/scripts:$PATH"

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  • User eXperience

    - by Daniel Moth
    The last few months I have been spending a lot of time designing (and help design) the developer experience for the areas I contribute to (in future versions of Visual Studio). As a technical person who defines feature sets, it is easy to get engulfed in the pure technical side of things and ignore the details that ultimately make users "love" using the product to achieve their goal, instead of just "having to use" it. Engaging in UX design helps me escape that trap. In case you are also interested in the UX side of development, I thought I'd share an interesting site I came across: UX myths. In particular, I recommend reading myths 9, 10, 12, 13, 14, 15 and 21. Let me know if there are other UX resources you recommend… Comments about this post welcome at the original blog.

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  • How to handle unknown initializer functions in lua?

    - by oofoe
    I want to load data written in a variant of lua (eyeonScript). However, the data is peppered with references to initialization functions that are not in plain lua: Redden = BrightnessContrast { Inputs = { Red = Input { Value = 0, }, }, } Standard lua gives "attempt to call a nil value" or "unexpected symbol" errors. Is there any way to catch these and pass it to some sort of generic initializer? I want to wind up with a nested table data structure. Thanks!

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  • Methodology To Determine Cause Of User Specific Error

    - by user3163629
    We have software that for certain clients fails to download a file. The software is developed in Python and compiled into an Windows Executable. The cause of the error is still unknown but we have established that the client has an active internet connection. We suspect that the cause is due to the clients network setup. This error cannot be replicated in house. What technique or methodology should be applied to this kind of specific error that cannot be replicated in house. The end goal is to determine the cause of this error so we can move onto the solution. For example; Remote Debugging: Produce a debug version of the software and ask the client to send back a debug output file. This involves alot of time (back and forth communication) and requires the client to work and act in a timely manor to be successful. In-house debugging: Visit the client and determine their network setup, etc. Possibly develop a series of script tests before hand to run on the clients computer under the same network. Other methodologies and techniques I am not aware of?

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  • Methodology for designing user controls

    - by zSysop
    Hi all, I want to able to create reusable user controls within my web app and i'm wondering on how to go about doing so. Should a user controls properties be visible to a form that's using it? What's the best way to go about loading the controls on the user control from the form thats using it? Should there be a public method within the control that allows you to load it from an external form or should the user control be loaded in the page load event Is it okay to nest user controls within user controls? etc... Thanks for any advice

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  • Using stack defined in C++ stl

    - by cambr
    #include <stack> using namespace std; int main() { stack<int> s; int i; for (i = 0; i <= 10; i++) { s.push(i); } for (i = 0; i <= 10; i++) { printf("%d", s.pop()); } } Whats wrong with the code above? Error: In function `int main()': aggregate value used where an integer was expected

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  • Tips on how to notify a user of new features in your game

    - by brent777
    I have noticed a problem when releasing new features for a game that I wrote for Android and published on Google Play Store. Because my game is "stage-based" - and not a game like Hay Day, for example, where users will just go into the game every day since it can't really be finished - my users are not aware of new features that I release for the game. For example, if I publish a new version of my game and it contains a couple new stages, most of their devices will just auto-update the game and they don't even notice this and think to check out what's new. So this is why an approach like popping open a dialog that showcases the new feature(s) when they open the game for the first time after the update was done is not really sufficient. I am looking for some tips on an approach that will draw my users back into the game and then they could read more detail about new features on such a dialog. I was thinking of something like a notification that tells them to check out the new features after an update is done but I am not sure if this is a good idea. Any suggestions to help me solve this problem would be awesome.

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  • SQL Server and Table-Valued User-Defined Function optimizations

    - by John Leidegren
    If I have an UDF that returns a table, with thousands of rows, but I just want a particular row from that rowset, will SQL Server be able to handle this effciently? SELECT * FROM dbo.MyTableUDF() WHERE ID = 1 To what extent is the query optimizer capable of reasoning about this type of query? How are Table-Valued UDFs different from traidtional views if they take no parameters? Any gotchas I should know about?

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  • Skype does not save user configuration

    - by varsketiz
    On Ubuntu 10.10, I have recently started to experience this problem: For some reason Skype won't save any settings except "Sign in on startup". When Skype starts and tries to sign in it is unsuccessful (it shows incorrect password, in red) every time (I have provided the correct password). I always have to click to show contacts in groups, it does not remember it. Every time I have to go to options and update some notification settings. I know all these things should be "remembered" by Skype - this problem started only recently. I don't recall fiddling with any permissions that could have likely caused that. Do you know what the problem might be? I uninstalled (marking for complete configuration removal) and re-installed Skype, but it still remembers my username (why??). Can I find Skype configuration files on the filesystem somewhere and change permissions for them - or even better - edit the files to set what I want?

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  • Excel 2007 user warning when opening xls files

    - by J Angwenyi
    I am getting the following error warning when opening an xls file generated using 'CarlosAg.ExcelXmlWriter.dll' using Excel 2007 The file you are trying to open,'', is in a different format than specified by the file extension. Verify that the file is not corrupted and is from a trusted source before opening the file. Do you want to open the file now? Any idea how to resolve?

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  • How to customize web app template admintasia? [closed]

    - by Balaji
    The below is my requirement, Login page Login page for all To search whether a user-id & password are a valid or not. To identify whether the user is of which category, namely, Admin, Manager, User. Redirect the page accordingly for respective user with their privilege. Admin - Manager – User Forgot password, Get username of email address and send the credential by validating the user input. Login & Operations Admin Display all submitted forms by admin, manager and user Tabs – Submissions, Mange form & Manage users. Submissions There must be a ‘sort’, listing, admin, manager and user. Username column should hyper link to edit the user account There must be a ‘sort’ option as ‘ALL’ while this option is chosen; the admin must be capable to view, as below, If Admin selects ‘admin’ from dropdown all submitted forms by admin user accounts should display and this operation is similar for the manager account as above. Manage forms, Agent Name, Credit Site, Lenders, Type of Loan, No Scores and Type Of Card Add, edit, update, delete Active and inactive Always display active records. Manage users, Create a user, User account type, (Admin or Manager or User) User email option Edit & update user, Change username Prompt: are you sure? Change password Prompt: are you sure? Delete user Prompt: are you sure you want to delete? Edit – value – this value should be updated in the common form used by all type of users. Manager Display all submitted forms by managers and users. Submissions and Manage users, Submissions Operations Admin Create filter values, admin, manager and user. Edit - filter values, admin, manager and user. Delete filter values, admin, manager and user. View. Manager Create a user only. View forms. User view and/ or submit form only Logout Log out for all. Prompt: Are you sure you want to log-out. I have downloaded adminstasia. How do I customize this template for the above requirement? The installation is same alike if you check this URL, http://www.admintasia.com/demo/

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  • Skype Sticks a Thumb in their User's Eye

    <b>Jamie's Random Musings:</b> "...Skype-to-Skype calls will "always be free". Well, it turns out that promise is worth exactly as much as any other promise Skype has ever made, or will ever make for that matter. A big, fat nothing."

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  • Share one monitor with another user and display their screen as well

    - by Xiong Chiamiov
    My housemate and I just started playing the original RollerCoaster Tycoon again - what a nostalgia trip! Anyways, we both have two monitors, and would like to view the other's game on the secondary monitor while playing, since we're in different rooms. VNC-like applications sorta work, but they require two separate instances running (one to share each direction), and as a whole are rather slow and clumsy. We don't need any remote control at all, just viewing. I'm using XP, he Win7. We could probably get it to run through some means in Linux, if necessary.

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  • Django: Determining if a user has voted or not

    - by TheLizardKing
    I have a long list of links that I spit out using the below code, total votes, submitted by, the usual stuff but I am not 100% on how to determine if the currently logged in user has voted on a link or not. I know how to do this from within my view but do I need to alter my below view code or can I make use of the way templates work to determine it? I have read http://stackoverflow.com/questions/1528583/django-vote-up-down-method but I don't quite understand what's going on ( and don't need any ofjavascriptery). Models (snippet): class Link(models.Model): category = models.ForeignKey(Category, blank=False, default=1) user = models.ForeignKey(User) created = models.DateTimeField(auto_now_add=True) modified = models.DateTimeField(auto_now=True) url = models.URLField(max_length=1024, unique=True, verify_exists=True) name = models.CharField(max_length=512) def __unicode__(self): return u'%s (%s)' % (self.name, self.url) class Vote(models.Model): link = models.ForeignKey(Link) user = models.ForeignKey(User) created = models.DateTimeField(auto_now_add=True) def __unicode__(self): return u'%s vote for %s' % (self.user, self.link) Views (snippet): links = Link.objects.select_related().annotate(votes=Count('vote')).order_by('-created')

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  • Weird problem: IE8 user can't authenticate with web service

    - by NovaJoe
    I have an asp.net app. It has a page that requires authentication. The authenticated user can view the page because he/she is authenticated. The page makes a jQuery Ajax call to a WCF service. The WCF service checks that the user is authenticated via HttpContext. I have a user that is using WinXP and IE8. This user can authenticate to the page, but when the Ajax call is made from the page to the wb service, the user recieves my "session not authenticated" message on the page, generated by the service and displayed on the page. When I use the same OS/browser combo, the page and service work just fine, as expected; no errors. What option in this user's IE settings would cause this behavior?

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