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  • global counter in application: bad practice?

    - by Martin
    In my C++ application I sometimes create different output files for troubleshooting purposes. Each file is created at a different step of our pipelined operation and it's hard to know file came before which other one (file timestamps all show the same date). I'm thinking of adding a global counter in my application, and a function (with multithreading protection) which increments and returns that global counter. Then I can use that counter as part of the filenames I create. Is this considered bad practice? Many different modules need to create files and they're not necessarily connected to each other.

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  • How do I get back results running a VB Script from C#?

    - by Tom
    I want to be able to call VB scripts from C#, which is easy enough, but I need to be able to get back the results from these scripts at times. Should I use the method referenced with something to read back, or should I use a different method? I've found a method to getting data back from powershell scripts using Runspaces and Pipelines, but I don't know enough about this technology to know if it will work with VB scripts as well. Ideally, I'd like to do something similar to the powershell method where I can just pass in the contents of the script without needing to reference an external file and get back the results. Can anyone tell me how to do this? Thanks.

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  • Map a property in the entity framework to a different type

    - by Tom
    I have a SQL Server 2008 database. I have a bunch of fields in TableA that are just strings that corresponds to booleans. So every value is either true or false. The edmx I generated using Entity Framework 4.0 has them as strings. This is technically correct but I would like to have them mapped as Booleans instead. Is this possible? If so how can I accomplish this? Thanks much!

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  • How can I get all the versions of a given file?

    - by Martin
    I would like to obtain all the versions of a given file in my SVN repository. For instance, let's say that the file ThirdPartyAssembly.dll was checked 3 times, is there a command that will get me all the version on my HD (e.g. ThirdPartyAssembly.dll.v1, ThirdPartyAssembly.dll.v2, ThirdPartyAssembly.dll.v3, etc.)? Thanks!

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  • Best method to cache objects in PHP?

    - by Martin Bean
    Hi, I'm currently developing a large site that handles user registrations. A social networking website for argument's sake. However, I've noticed a lag in page loads and deciphered that it is the creation of objects on pages that's slowing things down. For example, I have a Member object, that when instantiated with an ID passed as a construct parameter, it queries the database for that members' row in the members database table. Not bad, but this is created each time a page is loaded; and called more than once when say, calling an array of that particular members' friends, as a new Member object is created for each friend. So on a single page I can have upwards of seven of the same object, but containing different properties. What I'm wanting to do is to find a way to reduce the database load, and to allow persist objects between page loads. For example, the logged in user's object to be created on login (which I can do) but then stored somewhere for retrieval so I don't have to keep re-creating the object between page loads. What is the best solution for this? I've had a look at Memcache, but with it being a third-party module I can't have the web host install it on this occasion. What are my alternatives, and/or best practices in my case? Thanks in advance.

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  • MySQL: How to do a conditional update?

    - by Tom
    Hi, I'm trying to a create an update statement along the following lines: TABLE car: id | owner_id | type | status An owner can have multiple cars. UPDATE car c SET c.type = 1 WHERE c.owner_id IN ($ids) AND c.status = [1 IF IT EXISTS, ELSE 0] $ids is reasonably small (under 50 values). It seems simple but I can't seem to get my head around it because I can't use a SELECT subquery with an UPDATE to the same table. Anyone? Thanks

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  • What Are Collections Implemented As In VB6?

    - by Tom Tresansky
    So a collection in VB6 keeps track of a key for each object, and you can look up the object by its key. Does that mean collections are implemented as some sort of hashtable under the hood? I realize you can have multiple items with the same key in a collection, hence the SOME SORT. Anybody know what type data structure a VB6 collection is supposed to represent?

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  • Dynamic search result when typing

    - by Martin
    I'm using asp.net and want to filter a search result everytime the user enter letters in a textbox. For exmaple this website do exactly what I want: http://www.prisjakt.nu/ (try searching in the right top corner). I have tried just putting my textbox and the gridview with the search result in an updatepanel, it's working but it's really slow, can I make it faster and how? Is there any articles or something about this?

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  • Setup a git external for remote repo

    - by Tom
    I'd create a repo which pulls in a remote repo, let's say I'd like to setup jQuery as a submodule for example git://github.com/jquery/jquery.git What would be the process of creating a repo with jQuery as a submodule and adding my own external as a remote repo. Also once this is setup, if I push / pull to my own remote, will the external remain intact?

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  • Writing module to get video/audio from HDMI

    - by Martin
    I would like to write a small module that can check if anything is connected to my computer's HDMI input, and if so write a frame of video to bitmap once in a while. Can anyone point me to resources regarding grabbing audio/video from HDMI on windows?

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  • What is the most widely used IDE for PHP?

    - by Tom
    Note I am not asking for which is the "best" IDE for PHP or anything subjective like that. I want to know which is the most widely used backed by some sort of statistic (something like the W3's stats for browser usage) but for IDE usage amongst PHP developers.

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  • Notify the user on Facebook at some time

    - by martin.malek
    Let's say I have a Facebook application which is monitoring friends birthdays. I want to notify the user that her friend will have a birthday in next two days. The first part is only cron which will check the dates, but is there any way how to notify the user? I didn't found anything for this. It was there a year ago but all of the API changes it looks like the removed all offline messages. I don't want to send an email to the user, it will be much more better to stay with everything on Facebook.

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  • Copying a file with PHP Command

    - by Tom
    Hi, I'm having a problem using the copy function in PHP, what is wrong with it? I get the error; Parse error: syntax error, unexpected T_VARIABLE On the bottom line; $targetDir = 'file.txt'; $targetDir2 = 'file2.txt'; copy($targetDir, $targetDir2); Thanks The entire file is; <?PHP $targetDir = 'file.txt'; $targetDir2 = 'file2.txt'; copy($targetDir, $targetDir2); ?> copy and pasted from the doc.

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  • Is flash's geturl(...) spiderable by google?

    - by tom
    If I made a homepage with an embedded .swf which had buttons that linked to other html pages on my website using the getUrl() function, would those links be spiderable by google? Or should I also put in text links outside of the .swf (which would ruin the design a bit)? I know a lot of people will argue I shouldn't have flash as the main content on the homepage (and their comments are appreciated), but bear in mind, that's not my question.

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  • Swap function for a char*

    - by Martin
    I have the simple function below which swap two characters of an array of characters (s). However, I am getting a "Unhandled exception at 0x01151cd7 in Bla.exe: 0xC0000005: Access violation writing location 0x011557a4." error. The two indexes (left and right) are within the limit of the array. What am I doing wrong? void swap(char* s, int left, int right) { char tmp = s[left]; s[left] = s[right]; s[right] = tmp; } swap("ABC", 0, 1); I am using VS2010 with unmanaged C/C++. Thanks!

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  • WhatsApp - writing a clone (iphone, android, wp7)

    - by Martin
    I am trying to create a instant messaging app very much like whatsapp I suppose. My resources I have available to me are Server development in C# (REST Service, dedicated server app etc) And currently an android development platform using eclipse (iphone, wp7 to follow later). I have done some development in Android before but I don't have any idea where to start an application like this. My guess would be it would work with UDP / TCP or similar ? I currently have a shared server for an asp.net website but I presume this wouldn't be ideal, I could essential setup a web service on the server and get a client to publish his messages there but then this would mean that the receivers would have to POLL (PULL) every 5 minutes or so - so I guess this wouldn't be real time Do I need to use UDP here ? And I presume platforms like Iphone, Android and WP7 will not have any issues sending msgs by UDP - if that is how its done. I look forward to any help or guidance.

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