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  • Foreign keys - temporarily bypass?

    - by Industrial
    Hi, I have just started to learn about the pros of foreign keys in database design (mySQL / innoDB) and I wonder if there's any way to temporarily bypass the foreign key when doing a specific delete query, to just delete in the parent table, and not from the linked child tables. Thanks

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  • SQL commands generated in Django by running sqlall

    - by k-g-f
    In my Django app, I just ran $ python manage.py sqlall and I see a lot of SQL statements that look like this, when describing FK relationships: ALTER TABLE `app1_model1` ADD CONSTRAINT model2_id_refs_id_728de91f FOREIGN KEY (`model2_id`) REFERENCES `app1_model2` (`id`); Where does "7218de91f" come from? I would like to know because I'd like to manually write SQL statements to accompany models changes in the app so that my db's can be kept up to date.

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  • Hotkey to preview in browser in second monitor while still keeping focus in editor?

    - by Tony_Henrich
    I use two monitors. The second one has a browser open. I use Visual studio in the first monitor and making edits to the web page. Would love to press a key and instantly see the change in the browser. Basically doing a refresh in the browser behind the scene and still keep window focus in the editor. Instead of keep switching to the browser, refresh, switch back to VS. Any better ideas than using a keyboard recorder like AutoPilot?

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  • Hotkey (Not Global) WinForm .NET

    - by acidzombie24
    In my winform app i would like one special button to run a test everytime i press it. There are dozens of controls so implementing it in each one takes too much time. Is there a way i can set a hotkey so no matter what i am doing in the app i can press the key and it will fire off my event?

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  • Possible ways of representing data in memory (.net)

    - by This is it
    Hi What are the possible ways of representing data in memory in .Net (or in general)? It would be great if data could be sorted and looked up by key (or multiple keys). We are thinking to use collections, arrays, list of collections/arrays. One object would be in several collections (one sorted asc, other desc, etc.). Maybe this is not a good idea, and we would like to hear some other possible solutions. Thank you

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  • NSUserDefaults and show a picture

    - by Momeks
    Hi , iam using setting.bundle and i try to show a hidden picture with Switch toggle , here is my code but i miss something : NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; [//Some code show the hidden pic]; myPic.hidden = NO; my key is .e.g = wood_back should i use ObjectForKey ?

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  • Jump to the start of next statement

    - by Borek
    Say that I'm writing a test and my caret is here (indicated by "|"): [ExpectedException(typeof(InvalidOperationException|))] In Visual Studio 2010, I'd like to press some shortcut that would take me to the next line so that I could start typing "public void Etc()". Right now, I need to press Right arrow Right arrow Right arrow Enter Which is too many key presses IMO. Is there a VS2010 / ReSharper shortcut to aid this operation?

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  • Mysql: Order Results by number of matching rows in Second Table.

    - by KyleT
    I'm not sure the best way to word this question so bear with me. Table A has following columns: id name description Table B has the following columns: id a_id(foreign key to Table A) ip_address date Basically Table B contains a row for each time a user views a row from Table A. My question is how do I sort Table A results, based on the number of matching rows in Table B. i.e SELECT * FROM TableA ORDER BY (SELECT COUNT(*) FROM TableB where TableB.a_id = TableA.id) Thank you!

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  • How to implement XXTEA in MySQL?

    - by user339229
    Anyone knows how to implement XXTEA in MySQL? For example - SELECT xxtea_encrypt('text here', 'key here'); possible implementation is by creating a FUNCTION in MySQL using CREATE FUNCTION statement, e.g. CREATE FUNCTION xxtea_encrypt XXTEA Procedures here... RETURN encrypted string Thanks & Best regards

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  • How to hook to a keystroke under Windows Vista?

    - by Dave
    Hi. I'm working on a program idea which needs to respond when a particular Function key is pressed on the keyboard(like F10). (A) is that possible? (B) what language should i use (i'll be getting the development outsourced, so its not a problem) (c) any sample code which shows how it works?

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  • Ruby Win32Api get single character non-blocking

    - by Markus Orreilly
    I'm trying to write a simple game working with two threads, one thread to get input from the user, and another thread to animate some scenes. I'm able to get characters without pressing ENTER just fine, but it blocks in the animating thread until the user presses a key. Does anyone know of a way to get a character from the keyboard non-blocking?

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  • Wait set time for user input C# console app

    - by Marlon
    For a Console app, I need to know how to wait at set amount of time (about 10 seconds), for a user to input a key or set of keys, before proceeding with an 'auto run' portion of the application. This is bugging me because I can't quite figure out how the timer works, or threading.sleep, what should I use? Been googling all day.

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  • javascript - query object graph?

    - by Scott
    Given an object like this: var obj = { first:{ second:{ third:'hi there' } } }; And a key like this "first.second.third" How can I get the value of the nested object "hi there"? I think maybe the Array.reduce function could help, but not sure.

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  • Encrypt hashed passwords?

    - by Industrial
    Hi everyone, Is it common sense to encrypt hashed&salted passwords that are stored in a database with a strong encryption (AES 192 or so) or are we just aiming for the stars? Of course, the encryption key will not be in the database itself, but will be kept at a safe place. Thanks a lot!

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  • Retrieve all records in a table with nHibernate

    - by brainimus
    I need to retrieve all the records in a table with nHibernate. If I had the key for all the records in the table I could loop and use nHibernate's Get method (this seems inefficient though) but I don't have the keys. I could also use FindAll but this requires criteria or a stored procedure. How can I get all the records from the table?

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