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  • Learn C++ after learning C#

    - by RichK
    I'm developing a library in C# at the moment and recently bought a great book to help me out but the code snippets are in C++. Does anyone have a link to a site/PDF that'll give me a crash course in C++? (mainly the syntax rather than pros/cons etc) because I'll be developing in C# but things like -, ::, &, **, are giving me the shivers. Obviously the languages aren't 100% compatible but if I know what the C++ is doing from a 'theoretical' point of view I can make a stab at rewriting it in C#. I've had a Google to find the answer but all the sites seem to be "Should I use C++ or C#?", which isn't any good to me. Thanks in advance.

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  • Referencing sheets with spaces

    - by user2250964
    I am having an issue with referencing the sheet name through =Branded!$A$1 Notation in VBA. For a while I have passed in simple sheet names like: Dim SheetName As String SheetName = "Pizza" ("=" & SheetName & "!$A$1") This has worked fine, but recently I passed in "Tier 1" and of course this notation broke. Is there any fix or workaround for this? It Think it's because of the space, the number or both....

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  • [CakePHP] Dynamic fields on insert/edit form

    - by user198003
    hi all, let's say that i have 3 tables: books properties book_properties of course, i would like that when i want to insert new book (or update existing), to fill the form. fields that exist on form have to be defined as records in table properties. when i fill up those fields, data has to be saved in table book_properties. can you help me by giving some advices and references, how to achieve that? thank you very much in advance!

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  • Best data recovery tools?

    - by Nonick
    So due to a recent act of stupidity and bravado, I uttered the words "backups! who needs backups?!" and what followed was the tragic loss of 260gb of data. This scenario in particular is requiring me to recover a repartitioned hard disk, but I was wondering what tools people here use in general to recover lost data. I'm sure everyone has been there, either accidentally rewriting files, resaving an old version, computer crash, hard disk death, user deletes an important document etc. So was thinking it might be an interesting point of discussion as to what you guys use to recover lost data. I appologise if this is considered irrelevant, but considering there has been a few recovery questions, I think this might be interesting.

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  • Equivalent of c# 'as' command in c++?

    - by Sam
    In c# you can use as to convert a type or get null: Object o = Whatever(); String s = o as String; Is there a similar easy way to achieve this in c++? I'm using Visual Studio 2010, if thats important. [update] Remember, there is a very important difference between casting and using as. Casting (at least in c#) will throw an exception if the type does not match: Object o = null; String s = (String)o; // will crash.

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  • Delphi: Which are the downsides of having unused units listed in the uses clause?

    - by user193655
    I use cnPack Uses cleaner, but in general which are the downsides of having useless units? I know some of them: 1) of course if the unit is never used across the full project there will be useless resource consuption 2) the code insight will give useless results 3) the code insight will be slower But imagine a simple case: I have a project with 2 forms, I use StrUtils in one of them but I declared StrUtils in both of them... Is there any downside in temrs of memory consumption in this case or not?

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  • Tomcat + Struts + OpenID raising ServletExceptions

    - by Rocjoe
    I am working with Tomcat 5.5.x with Struts 1.2 to run a rather large website (large w.r.t. source code). I'm looking to add OpenID to my website, mostly to access attribute exchange to help accelerate the registration process. Every Java implementation for OpenID I have attempted to use will cause a ServletException. Tracing this has been very difficult, but it seems merely instancing any class that makes use of Apache HttpClient will cause the crash. Is this a configuration problem I can address in the JVM, or is it positively wrong to try to initiate an outbound Http request from within an inbound Http request?

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  • dynamically scale images in php jpg/png/gif

    - by Patrick
    Is there a simple way of dynamically scaling an image in php? Id like to specifically use some kind of function where i can insert it into my heml such as <img src=image.php?img=boss.jpg&width=500> and of course it would then scale the image to whatever height constrains it to 500px wide i appreciate all input, thanks. EDIT does need to include jpg png and gif file types

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  • iPhone "multi-threading" question

    - by MrDatabase
    I have a simple iPhone game consisting of two "threads": the main game loop where all updating and rendering happen 30 times per second (NSTimer)... and the "thread" that calls the accelerometer delegate 100 times per second. I have a variable "xPosition" that's updated in the accelerometer delegate function and used in the game loop. Is there a possibility of the two "threads" trying to use xPosition at the same time (hence causing a crash or some other problem). If so how can I fix this w/ minimal impact to the game's performance? I've been using this set-up for many months of development and incremental testing and I've never run into any problems. Cheers!

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  • PhotobucketNet photo upload

    - by n1tr0
    I have a problem with PhotobucketNet user login(I need user to login so I can upload a picture from HDD to his Photobucket account). Photobucket photobucket = new Photobucket("myapikey", "myapisecret"); photobucket.LaunchUserLogin(); // the problem happens here photobucket.RequestUserToken(); If I call RequestUserToken() it will happen immediately, so I'll get a crash cause user didn't logged in, and there is no event that's been raised after user logs in. Is there some variable(bool or something else) that I can check to see if user logged in - maybe to put it in a loop with timer? Also is their a way to know if user canceled logging in? I know that timer isn't a good solution, so if anyone has anything better as an idea, I'm open for any suggestions...

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  • Getting information about where c++ exceptions are thrown inside of catch block?

    - by tfinniga
    I've got a c++ app that wraps large parts of code in try blocks. When I catch exceptions I can return the user to a stable state, which is nice. But I'm not longer receiving crash dumps. I'd really like to figure out where in the code the exception is taking place, so I can log it and fix it. Being able to get a dump without halting the application would be ideal, but I'm not sure that's possible. Is there some way I can figure out where the exception was thrown from within the catch block? If it's useful, I'm using native msvc++ on windows xp and higher. My plan is to simply log the crashes to a file on the various users' machines, and then upload the crashlogs once they get to a certain size.

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  • Java Compare Addresses

    - by Tom
    Hi, Does anyone know a library to compare addresses in Java ? Something that would give equality on addresses, written in different ways. For example, it should recognize that "22 Acacia Avenue" and "22 acacia av." is the same address. Of course, this can escalate a lot, that's why i'm asking. Thanks in advance.

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  • multiple background pics in css

    - by delboud
    this is what im trying to do... ul#newnav a{ /*--This is basically the hover state of navigation--*/ color: #555; background: url(images/a_bg.gif) repeat-x left bottom;} ul#newnav a{ background: url(images/navpic.png) no-repeat top left;} and of course its only loading the last one but is it anyway I can load both.

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  • Can I declare the same value for two attributes at once

    - by graphicdivine
    For example, for accessibility reasons I want my onfocus and onmouseover to have identical values. For the sake of maintainability I want to declare this once only. What I'd like to be able to do is this: <a onmouseover,onfocus="assist('hello');">linktext</a> But, of course, that would be too easy, and doesn't work. What's the best way I can achieve this DRYing out of my tags?

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  • [boost::filesystem] performance: is it better to read all files once, or use b::fs functions over an

    - by rubenvb
    I'm conflicted between a "read once, use memory+pointers to files" and a "read when necessary" approach. The latter is of course much easier (no additional classes needed to store the whole dir structure), but IMO it is slower? A little clarification: I'm writing a simple build system, that read a project file, checks if all files are present, and runs some compile steps. The file tree is static, so the first option doesn't need to be very dynamic and only needs to be built once every time the program is run. Thanks

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  • Path variable to mso.dll and msoutl.olb

    - by Stefanie
    Hey, I'm trying to develop a toolbar for Microsoft Outlook. For getting it to work I need mso.dll and msoutl.olb as an import. My problem is: the path is hardcoded , but it varies for every OS and of course if someone doesn't install Office to the default path. I tried it this way http://support.microsoft.com/kb/234788/en-us/ but it didn't work, because I couldn't get the return value I needed (OK, after four type conversions but I thought there had to be a better way ;) ) Thanks for helping

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  • Greatest not null column

    - by Álvaro G. Vicario
    I need to update a row with a formula based on the largest value of two DATETIME columns. I would normally do this: GREATEST(date_one, date_two) However, both columns are allowed to be NULL. I need the greatest date even when the other is NULL (of course, I expect NULL when both are NULL) and GREATEST() returns NULL when one of the columns is NULL. This seems to work: GREATEST(COALESCE(date_one, date_two), COALESCE(date_two, date_one)) But I wonder... am I missing a more straightforward method?

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  • Open x64 'SOFTWARE' registry key in C#

    - by Lance May
    I am trying to read the 64-bit HKLM\SOFTWARE registry key from a 32-bit (C#) application. This, of course, keeps redirecting my view to HKLM\SOFTWARE\Wow6432Node. According to what I've found this is doable, but I can't seem to find a .NET example anywhere. I just need to read; not write. Anyone ran across this before?

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  • How to determine whether a linked list contains a loop?

    - by ET
    During a preparation for a job interview, I encountered the following question: How can you determine whether a linked list (of any type) contains a loop, using additional space complexity of O(1)? You cannot assume that the loop starts at the first node (and of course, the loop doesn't have to contain all nodes). I couldn't find the answer, though I have the feeling it's quite simple...

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