Search Results

Search found 5749 results on 230 pages for 'miles away'.

Page 129/230 | < Previous Page | 125 126 127 128 129 130 131 132 133 134 135 136  | Next Page >

  • Can anyone tell me if this is possible to do in Linq?

    - by user275561
    So I have been working and trying for a couple of hours. I am creating a BubbleBreaker type of game. I Can do it using for loop or while but I am trying to also get practice in using Linq. Here is what I am trying to do in pesudo code. Each Bubble has a Column and Row Property. If The bubble subtracts one from its Column property and finds the same Color bubble, it should Select it then Subtract -1 and see if two bubbles away there is also a same color bubble. If there is then subtract -2 and so on. So What I am trying to do is var test= _theBubbles.TakeWhile((i, s) => i.BubbleColor== bubble.BubbleColor)//Then somehow tell it to do bubble.Column-s and then Subtract s from bubble.Column So the Idea is to keep looking down the column till the bubble isnt the same

    Read the article

  • Is multi-level polymorphism possible in SQLAlchemy?

    - by Jace
    Is it possible to have multi-level polymorphism in SQLAlchemy? Here's an example: class Entity(Base): __tablename__ = 'entities' id = Column(Integer, primary_key=True) created_at = Column(DateTime, default=datetime.utcnow, nullable=False) entity_type = Column(Unicode(20), nullable=False) __mapper_args__ = {'polymorphic_on': entity_type} class File(Entity): __tablename__ = 'files' id = Column(None, ForeignKey('entities.id'), primary_key=True) filepath = Column(Unicode(255), nullable=False) file_type = Column(Unicode(20), nullable=False) __mapper_args__ = {'polymorphic_identity': u'file', 'polymorphic_on': file_type) class Image(File): __mapper_args__ = {'polymorphic_identity': u'image'} __tablename__ = 'images' id = Column(None, ForeignKey('files.id'), primary_key=True) width = Column(Integer) height = Column(Integer) When I call Base.metadata.create_all(), SQLAlchemy raises the following error: NotImplementedError: Can't generate DDL for the null type IntegrityError: (IntegrityError) entities.entity_type may not be NULL. This error goes away if I remove the Image model and the polymorphic_on key in File. What gives? (Edited: the exception raised was wrong.)

    Read the article

  • C++ Asymptotic Profiling

    - by Travis
    I have a performance issue where I suspect one standard C library function is taking too long and causing my entire system (suite of processes) to basically "hiccup". Sure enough if I comment out the library function call, the hiccup goes away. This prompted me to investigate what standard methods there are to prove this type of thing? What would be the best practice for testing a function to see if it causes an entire system to hang for a sec (causing other processes to be momentarily starved)? I would at least like to definitively correlate the function being called and the visible freeze. Thanks

    Read the article

  • Problem passing a reference as a named parameter to a variadic function

    - by Michael Mrozek
    I'm having problems in Visual Studio 2003 with the following: void foo(const char*& str, ...) { va_list args; va_start(args, str); const char* foo; while((foo = va_arg(args, const char*)) != NULL) { printf("%s\n", foo); } } When I call it: const char* one = "one"; foo(one, "two", "three", NULL); I get: Access violation reading location 0xcccccccc on the printf() line -- va_arg() returned 0xcccccccc. I finally discovered it's the first parameter being a reference that breaks it -- if I make it a normal char* everything is fine. It doesn't seem to matter what the type is; being a reference causes it to fail at runtime. Is this a known problem with VS2003, or is there some way in which that's legal behavior? It doesn't happen in GCC; I haven't tested with newer Visual Studios to see if the behavior goes away

    Read the article

  • Pro's and Con's of unit testing after the fact.

    - by scope-creep
    I have a largish complex app around 27k lines. Its essentially a rule drive multithreaded processing engine, without giving too much away Its been partially tested as it's been built, certain components. Question I have, is what is the pro's and con's of doing unit testing on after the fact, so to speak, after its been implemented. It is clear that traditional testing is going to take 2-3+ months to test every facet, and it all needs to work, and that time is not available really. I've done a fair bit of unit testing in the past, but generally it's been on desktop automation or LOB apps, which are fairly simple. The app is itself is highly componentized internally, interface driven really. I've not decided on what particular framework to use. Any advice would be appreciated. What say you.

    Read the article

  • Straight Java/Groovy versus ETL tool (Talend/etc) - what libraries would you use?

    - by Alex R
    Assume you have a small project which on the surface looks like a good match for an ETL tool like Talend. But assume further, that you have never used Talend and furthermore, you do not trust "visual programming" tools in general and would rather code everything the old fashioned way (text on a nice IDE!) with the help of an appropriate language & support libraries. What are some language patterns & support libraries that could help you stay away from the ETL tool temptation/trap?

    Read the article

  • Printings using CUPS, when can my app quit?

    - by KPexEA
    I have an linux app that uses cups for printing, but I've noticed that if I print and then quit my app right away my printout never appears. So I assume that my app has to wait for it to actually come out of the printer before quitting, so does anyone know how to tell when it's finished printing?? I'm using libcups to print a postscript file that my app generates. So I use the command to print the file and it then returns back to my app. So my app thinks that the document is off to the printer queue when I guess it has not made it there yet. So rather than have all my users have to look on the screen for the printer icon in the system tray I would rather have a solution in code, so if they try and quit before it has really been sent off I can alert them to the fact. Also the file I generate is a temporary file so it would be nice to know when it is finished with so I can delete it.

    Read the article

  • An appropriate C API for inspecting attribute values

    - by uk82
    There are two obvious ways in C to provide outside access to internal attribute values (A) provide a generic interface that accepts a list of attributes that changes over time (some added / some die) or (B) a specific interface for each and every attribute. Example A: int x_get_attribute_value(ATT att) { if (a) return a_val; if (b) return b_val; } Example B: A_Enum x_get_a_type_attribute() {} B_Enum x_get_b_type_attribute() {} I recall that Eclipse's API is very much like A (I could be wrong). What I can't do is come up with a compelling argument against either. A is clean - any user will no where to go to find out a property value. It can evolve cleanly without leaving dead interfaces around. B has type checking to a degree - this is C enums! Is there a big hitter argument that pushes the balance away from opinion?

    Read the article

  • can you use proxies to do load/stress testing on a server, with proxy serving as a sort of mirror?

    - by EndangeringSpecies
    suppose I want to test a server's and its web application's ability to handle many simultaneous connections well and show decent latency. So ideally I would want a thousand machines to bombard it with usage requests, but that's not practicable. So instead, can I just make a testing script with a thousand threads to run on the same server and have them perform the testing, connecting to the server via a geographically far-away proxy? My reasoning here is that the signal will have to travel realistically big distances to the proxy and back, so that sort of emulates the reality of real clients accessing the server. Then again, to take this one step further, are there prepackaged emulators/frameworks that could perform a similar test without using internet at all, just simulating the latency of the network, realistically creating all the socket connections and other resource intensive stuff etc?

    Read the article

  • 2 sites each in a different country with 1 set of content (cloaking)

    - by Greg
    Hi, I have a question re: cloaking. I have a friend who has a business in Canada and the UK. Currently the .ca site is hosted on Godaddy. The co.uk domain is registered (with uk ip address) with domainmonster and is using a cloaked/framed redirect to the .ca site. As a result (my assumption) the .ca site is indexed fine by google, the .co.uk is not. The content is generic for both sites. How do I point the .co.uk site directly to the content independently (preferably without duplicating the content hosting in the UK), so that for instance if the .ca domain was taken away altogether the .co.uk domain would remain an entity in itself from Google's point of view? Does Google index a generic set of content and then associate different country domains with that content? I hope I have explained this ok. Thanks, Greg

    Read the article

  • What do we need for flash 10 development?

    - by user246114
    Hi, I'm looking to do some development in flash 10, specifically for the new file api (reading/writing files on the user's local machine). What do I need to develop for flash 10, just Flash cs4?: http://tryit.adobe.com/us/cs4/flash/c/?sdid=ETJMX& or is there some other ide? All I'm really interested in doing is: Make a small swf file which reads a file on the user's machine I will host it in an html file When file read is done, I just want to send its contents as a string to a javascript function for further processing. Not sure if I can get away with the free adobe air thing for this? I need it to run in a webpage but I don't intend to do any more development outside of the above, Thanks

    Read the article

  • Manually logging in a user without password

    - by Agos
    Hi everybody; I hope you can help me figure the best way to implement a manual (server-side initiated) login without using the password. Let me explain the workflow: User registers Thank you! An email with an activation link has been sent blablabla (Account now exists but is marked not enabled) User opens email, clicks link (Account is enabled) Thank you! You can now use the site What I'm trying to do is log in the user after he has clicked the email link so he can start using the website right away. I can't use his password since it's encrypted in the DB, is the only option writing a custom authentication backend?

    Read the article

  • Versioning issues with assemblies

    - by devoured elysium
    Let's assume I have two assemblies: MyExecutable.dll version 1.0.0 MyClassLibrary.dll version 1.0.0 Now, MyExecutable.dll currently uses MyClassLibrary.dll's classes and methods (which include some algorithms). Most of those algorithms were made on the run, being that later I'll want to refine them if needed. This means, I won't change the interface of those classes but the code itself will see some changes. The question at hand is, MyExecutable.dll will be expecting MyClassLibrary.dll 1.0.0 and I'll want it to use version 1.0.1 (or something like that). I don't want to have to recompile MyExecutable.dll(because actually there might be more than just one executable using MyClassLibrary.dll). Is there a solution for this problem? I've heard about the GAC, but if possible I'd like to stay away from it. Thanks

    Read the article

  • Fixing javascript Array functions in Internet Explorer (indexOf, forEach, etc)

    - by Chas Emerick
    As detailed elsewhere, and otherwise apparently well-known, Internet Explorer (definitely 7, and in some instances, 8) do not implement key functions, in particular on Array (such as forEach, indexOf, etc). There are a number of workarounds here and there, but I'd like to fold a proper, canonical set of implementations into our site rather than copy and paste or hack away at our own implementations. I've found js-methods, which looks promising, but thought I'd post here to see whether another library comes more highly-recommended. A couple of misc. criteria: the lib should just be a no-op for those functions that a browser already has implementations for (js-methods appears to do quite well here) non-GPL, please, though LGPL is acceptable

    Read the article

  • Android: various questions about GPS

    - by wei
    I'm writing my first location based android app, but got confused about some of the GPS service api. Here are some questions I have: 1) To get my current location, I called requestLocationUpdates() with a listener in the onCreate() method of one activity. But what happens when another activity starts and the current activity goes invisible? Is the GPS location update going to stop? If so, how do I keep it on after the activity is switched? 2) how accurate is the Location.getSpeed()? How is it computed? Can it tell the difference between on bicycle and on foot? 3) not really a question about android. How to calculate the coordinates of a location, say, 100m away from my current location? 4) To stop the GPS, I only need to remove all the listeners that have been registered to locationmanager? Thanks a lot!

    Read the article

  • SQL Server adding a record record manually to a view

    - by SelectDistinct
    I have a view which contains the data seen in the image below. The view is showing me how many working days are available in each month for the current financial year taking away any school/bank holidays. As the month of August has zero days available it has excluded this month from the view. As the total number of days available will always be zero for the month of August, then it seems acceptable to hardcode the SQL to always have 0 for August, and also an April-August record which will be the same as April-July. What would be the best way to add these 2 records, and where about in the code should it be placed see example of code layout: see link (answered question) for layout of code: SQL populate total working days per month minus bank holidays for current financial year

    Read the article

  • Handling Dialogs in WPF with MVVM

    - by Ray Booysen
    In the MVVM pattern for WPF, handling dialogs is one of the more complex operations. As your view model does not know anything about the view, dialog communication can be interesting. I can expose an ICommand that when the view invokes it, a dialog can appear. Does anyone know of a good way to handle results from dialogs? I am speaking about windows dialogs such as MessageBox. One of the ways we did this was have an event on the viewmodel that the view would subscribe to when a dialog was required. public event EventHandler<MyDeleteArgs> RequiresDeleteDialog; This is OK, but it means that the view requires code which is something I would like to stay away from.

    Read the article

  • How to use a 3rd party control inside the viewmodel?

    - by Sander
    I have a 3rd party control which among other things performs loading of some data. I want my viewmodel to keep track of this load operation and adjust its own state accordingly. If it were up to me, I'd do the data loading far away from the view, but it is not. So, I seem to be in the situation where my viewmodel depends on my view. How do I best handle this? I feel rather dirty making the view publish events to the viewmodel but I don't see any other reasonable way to get this info into the viewmodel. A similar situation might crop up with standard controls, too - imagine if your viewmodel depends on the events coming from a MediaElement - how do you properly model this? Do you put the MediaElement into the viewmodel? That doesn't sound right. If publishing the events to the viewmodel is indeed the most reasonable way, is there some common pattern used for this? How do you do it?

    Read the article

  • Add a loading graphic jquery

    - by sea_1987
    I am using the jquery ajax api so load in some content, the code looks like this, $.ajax({ type:"POST", url:"/search/location", data: getQuery, success:function(data){ //alert(getQuery); //console.log(data); $('body.secEmp').html(data); //overwrite current data setUpRegionCheckBoxes(); //fire function again to reload DOM } }); In my HTML i have <div id="loading">Loading Content</div> this is has a css style on it of display:none, while my ajax is bring in the content I want to show the div that is hidden, but I cant find a away too have tried attaching .ajaxStart on my loading div then doing show() but that did not work. Any advice?

    Read the article

  • Why bother to limit the types imported from a python package?

    - by Fast Fish
    When using many IDEs that support autocompletion with Python, things like this will show warnings, which I find annoying: from eventlet.green.httplib import BadStatusLine When switching to: rom eventlet.green.httplib * The warnings go away. What's the benefit to limiting imports to a specific set of types you'll use? Is the parsing faster? Reduces collisions? What other point is there? It seems the state of python IDEs and the nature of the typing system makes it hard for many IDEs to fully get right when a type import works and when it doesn't.

    Read the article

  • SOAP - What's the point?

    - by DanSingerman
    I mean, really, what is the point of SOAP? Web services have been around for a while, and for a while it seemed that the terms 'SOAP' and 'Web service' were largely interchangeable. However SOAP always seemed unwieldy and massively overcomplicated to me. Then REST came along, and suddenly web services made sense. As Joel Spolsky says, give a programmer a REST URL, and they can start playing with the service right away, figuring it out. SOAP is obfuscated behind WSDLs and massively verbose XML, and despite being web based, you can't do anything as simple as access a SOAP service with a web browser. So the essence of my question is: Are there any good reasons to ever choose SOAP over REST? Are you working with SOAP now? Would it be better if the interface was REST? Am I wrong?

    Read the article

  • Does Google crawl AJAX content?

    - by Doug
    On the home page of my site I use JQuery's ajax function to pull down a list of recent activity of users. The recent activity is displayed on the page, and each line of the recent activity includes a link to the user profile of the user who did the activity. Will Google actually make the ajax call to pull down this info and use it in calculating page relevancy / link juice flow? I'm hoping that it does not because the user profile pages are not very Google index worthy, and I don't want all those links to the User profile pages diluting my home page's link juice flow away from other more important links.

    Read the article

  • Select list value undefined in $(document).ready

    - by C. Ross
    I have the following code, which I want to load values on a selection change, and also do the selection load initially (since FF 'saves' the last value of the drop down under certain circumstances). The select part of the function works correctly, but for some reason when calling load2 directly the value of $('#select1').value is undefined, even though when I check the DOM in Firebug right after load select1.value has a value. How can I run the load2 function when select1.value is ready? $(document).ready(function() { //Setup change hook $('#select1').change(function(event) { //Remove the old options right away $('#select2').find('option').remove(); //Load the new options load2(this.value); }); //Do load for current value load2($('#select1').value); });

    Read the article

  • SQL Server: Mitigating schema changes/upgrades

    - by bradhe
    I haven't spent a ton of time researching this yet, mostly looking for best practices on upgrading/changing DB schemas. We're actively developing a new product and as such we often have additions or changes to our DB schema. We also have many copies of the DB -- one for the test environment, one for the prod environment, dev environments, you name it. We don't really want to have to blow away test data every time we want to make a change to the DB. Are there good ways of automating this or handling this? None of us have really ever had to deal with this so...

    Read the article

  • Create Access databases programatically through vb.net

    - by user87225
    Let me preface this by saying that I know this is a stupid way to go about this, but it needs to be handled in this way. I need to make an application that from a master database creates a number of access database files (tables of a larger db), then these are manually given to users who fill in data, the database files are emailed back to a user who, through the application, combines them again. The only part of this that I am unsure about is problematically creating the access db's. I have read that through Microsoft Jet OLE DB Provider and Microsoft ADO Ext I can create them (the tables and data), but I also need forms. I have yet to start writing anything and this is away from my area of work, so any insight/links would be much appreciated. Also, I would hope to be able to write this in the free express version of visual studio. Are there components needed that would prevent me from this? Thanks.

    Read the article

< Previous Page | 125 126 127 128 129 130 131 132 133 134 135 136  | Next Page >