flags Questions

2

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What is the point of the [Flags] attribute you can bit test without it?
Lamentable asked 30/7, 2010 at 11:41

7

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I'm writng a small application in PHP + MySQL and have come to the point where there is an object that has a couple (8 so far but not expected to increase) of flags associated with it. The flags ar...
Conciseness asked 9/1, 2009 at 18:16

3

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In some code I'm working on I should take care of ten independent parameters which can take one of two values (0 or 1). This creates 2^10 distinct conditions. Some of the conditions never occur and...
Aquamarine asked 25/4, 2010 at 7:18

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I understand how Enums work in C#, and I get what the Flags attribute brings to the table. I saw this question, here. Which recommends the first flavor, but doesn't provide any reason/justificatio...
Ayn asked 25/1, 2010 at 17:29

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In my keyboard hook, each keypress gets a flag that states if it was injected or not. http://msdn.microsoft.com/en-us/library/ms644967(VS.85).aspx I've distilled a KBDLLHOOKSTRUCT from the lParam...
Discovery asked 16/1, 2010 at 1:16

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I'm trying to figure out where to add extra warning flags like -Wall and -Wextra in Xcode, I'm using version 3.1.4 on Leopard. Apple's documentation is for an old version, if I follow their instruc...
Bridgetbridgetown asked 3/1, 2010 at 20:1

1

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While trying to write a custom control I've come across a problem with the System.Windows.Forms.TextFormatFlags enum in combination with the Visual Studio (2005/2008) editor. The reason for this pr...
Shafting asked 7/12, 2009 at 20:18

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Take this scenario: You have a few flag enumerations in C# tied to (and in fact generated from) Enum-ish tables in SQL Server. Say you are a distributor, and you allow your resellers to specify wha...
Castello asked 14/11, 2009 at 0:37

4

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Can anyone explain flags in Go? flag.Parse() var omitNewline = flag.Bool("n", false, "don't print final newline")
Wetterhorn asked 13/11, 2009 at 3:9

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If I have an enum that's marked with [Flags], is there a way in .NET to test a value of this type to see if it only contains a single value? I can get the result I want using bit-counting, but I'd ...
Minestrone asked 2/11, 2009 at 16:0

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I am currently struggling with HTTP Session replication on tomcat with complex objects. Some objects implement Serializable but hold non-serializable members. Unfortunately, the stacktraces do no...
Marden asked 2/11, 2009 at 10:19

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I'm not very used to programming with flags, but I think I just found a situation where they'd be useful: I've got a couple of objects that register themselves as listeners to certain events. What...
Bakke asked 27/10, 2009 at 14:40

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How could I make a function with flags like how Windows' CreateWindow(...style | style,...), for example, a createnum function: int CreateNum(flag flags) //??? { int num = 0; if(flags == GREATER...
Renita asked 19/10, 2009 at 15:7

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I have an array with some flag for each case. In order to use print the array in HTML and use colspan, I need to convert this : [{'serve': False, 'open': False}, {'serve': False, 'open': False}, {...
Batish asked 12/10, 2009 at 7:53

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It's known that CF indicates unsigned carry out and OF indicates signed overflow. So how does an assembly program differentiate between unsigned and signed data since it's only a sequence of bits? ...
Salesclerk asked 27/4, 2009 at 1:34

3

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I have two flags: [Flags] enum Flags { A = 1, B = 2 }; I set them like this: Mode = Flags.A | Flags.B; // default value for(int i = 0; i < args.Length; i++) { switch(args[i]) { case "--a"...
Barth asked 24/2, 2009 at 12:19

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I have a flag attribute enumeration that is behind a web service as follows: [Serializable,Flags] public enum AccessLevels { None = 0, Read = 1, Write = 2, Full = Read | Write } My problem i...
Candescent asked 3/2, 2009 at 0:36

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Is there any way to enable execution-time variable expansion for cmd.exe (normally done by typing cmd /V:ON) without starting a new instance of cmd.exe? Similarly, can other settings/flags be chan...
Frazzle asked 29/1, 2009 at 19:56

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I'm working on a system were a user can edit existing objects ("Filter" domain objects to be exact) through a GUI. As a UI hint, we only want to enable the save button if the user really modified s...
Railey asked 14/10, 2008 at 12:7

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C++ is mostly a superset of C, but not always. In particular, while enumeration values in both C and C++ implicitly convert into int, the reverse isn't true: only in C do ints convert back into enu...
Tupi asked 14/10, 2008 at 0:45

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