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  • restricting the property type of a custom attribute

    - by Guy
    Does anyone knows if it is possible to define/declare on your own custom attribute a restriction to the field type it may apply on? There are a flags that do restrict the usage of the attribute: [AttributeUsage( AttributeTargets.Property, AllowMultiple = false)] Im looking for something like: UseOnlyOnType = typeof(string) Any ideas?

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  • SQLite editor capable of handling BLOB type for Mac

    - by Phil
    Hi, I am looking for a free/cheap SQLite editor that can handle BLOB type for Mac OS X. Basically, I just need to create a database that contains images, then load it to an iPhone app bundle. No need for fancy queries. Could someone recommend the best editor available out there for this purpose? Thanks a lot

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  • Data types for validation

    - by nevalu
    How to create a new data type which to can check/validate its schema when is created a new variable (of that type)? By example, to validate if a string has 20 characters, I tried: {{{ // Format: 2006-01-12T06:06:06Z func date(str string) { if len(str) != 20 { fmt.Println("error") } } var Date = date() type Account struct { domain string username string created Date } }}} but it faills because Date is not a type.

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  • Determining if types alias to the same underlying type in C++

    - by emchristiansen
    I'd like to write a templated function which changes its behavior depending on template class types passed in. To do this, I'd like to determine the type passed in. For example, something like this: template <class T> void foo() { if (T == int) { // Sadly, this sort of comparison doesn't work printf("Template parameter was int\n"); } else if (T == char) { printf("Template parameter was char\n"); } } Is this possible?

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  • changing the name of type="file" input tag?

    - by Syom
    i have an input tag... <input type="file" name="upload"> for browsing it makes the button vith value "browse"(in mozilla) the question is: how can i change the name of that button? i want it to have the name "select" instead of "browse". Thanks

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  • Wont Let Me Type In My Pass Phrase

    - by Tapha
    Not real information: $ ssh-keygen -t rsa -C "[email protected]" Generating public/private rsa key pair. Enter file in which to save the key (/c/Users/Tekkub/.ssh/id_rsa): ssh.txt I entered a file name here. Not sure if i should have, Enter passphrase (empty for no passphrase): I am stuck here. I type and it doesnt work

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  • Array/List/Directory of System.Type

    - by Mike
    I have a lot of classes and want to create some kind of 'directory'. So that I can create menus automatically. Clicking a menu-item would then create an instance of the class and shows the window. What I want for this is an array of System.Type where I can stuff in all the classes without instantiating them. Though from my test and (unsuccessful) googling, this doesn't seem possible. Any ideas?

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  • Fake output stream type

    - by Jeenu
    By default certain programs format their output according to the type of the stream they write to. For example, the output of ls and ls > file looks differently. I'd like to know how this is achieved by a program. Additionally, is there a way by which we can trick such programs as if the output stream is a terminal where it actually is a file (especially when they don't have any options that affect output formatting)?

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  • input type=image width being ignored

    - by kastulo
    im making an image button like this: <input type="image" src="red.jpeg" width="150px"> but it is displaying the original image size which is much larger, if i put: <img src="red.jpeg" width="150px"> it displays the image 150px wide as i want, what do you guys think is the problem with this? I have tried styling it with a class and CSS but not working either, please help me with this, im going nuts!!

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  • implict type cast in generic method

    - by bitbonk
    why do I get a compiler error in the following code stating: Cannot implicty convert type SpecialNode to T even though T must derive from NodeBase as I defined in the where clause and even though SpecialNode actually derived from NodeBase? public static T GetNode<T>() where T : NodeBase { if (typeof(T) == typeof(SpecialNode)) { return ThisStaticClass.MySpecialNode; // <-- compiler error } if (typeof(T) == typeof(OtherSpecialNode)) { return ThisStaticClass.MyOtherSpecialNode; // <-- compiler error } ... return default(T); }

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  • How to type in two text fields simulatenously (jQuery)

    - by tester
    I was unsuccessful in finding a jQuery plugin that allowed me to write in two inputs simultaneously. I'm trying to write a normal title in one field, and at the same time type in another input write the same text without special characters or spaces. e.g. Input 1: This is my Title! Input 2: ThisIsMyTitle

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  • Postion of & to denote reference type

    - by Matt H
    I was wondering whether to put the ampersand (&) after the variable type or before the variable name. To put it simply, I want to know which one is the conventional style or the standard, or if it is entirely down to preference. int &x; or int& x;

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  • Type Error In Actionscript 3

    - by sabuj
    i'm working on a flash widget. But it meet some error problem and the error is described bellow- 1. TypeError: Error #1085: The element type "img" must be terminated by the matching end-tag "".

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  • Check network connection type

    - by Jufkey
    Hello, How can I programmatically retrieve the current connection type (eg. LAN or Direct connection). InternetGetConnectedState(&ConTypeRet, 0) isn't very reliable. For instance, I'm connected to a wireless network, but ConTypeRet is 18 which is INTERNET_CONNECTION_LAN & INTERNET_RAS_INSTALLED. Isn't there anyway to make sure that ConTypeRet is either INTERNET_CONNECTION_LAN or INTERNET_CONNECTION_MODEM

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  • What kind of data type is this?

    - by mystify
    In an class header I have seen something like this: enum { kAudioSessionProperty_PreferredHardwareSampleRate = 'hwsr', // Float64 kAudioSessionProperty_PreferredHardwareIOBufferDuration = 'iobd' // Float32 }; Now I wonder what data type such an kAudioSessionProperty_PreferredHardwareSampleRate actually is? I mean this looks like plain old C, but in Objective-C I would write @"hwsr" if I wanted to make it a string. I want to pass such an "constant" or "enum thing" as argument to an method.

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