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  • WinForms/Console application on Mono, how to know it runs as root

    - by Lex Li-MSFT
    As we can execute such executables in two ways, such as "sudo mono test.exe", and "mono test.exe". Now I want to know how to detect whether this application is running as root inside the application itself. I tried to check user name like below and see whether they equal to "root", Thread.CurrentPrincipal.Identity.Name Process.GetCurrentProcess().StartInfo.UserName AppDomain.CurrentDomain.ApplicationIdentity.FullName The first two are empty strings always, while the third throws NullReferenceException. Please advise if this is doable on Mono 2.6.

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  • Validate Boolean Query - java

    - by JavaUser
    hi, I need the java code snippet for the below logic: Following is a string and I need to validate the string based on the below condition : "100 or 200 and 345 not 550 " - Valid string "abc or 200 and 345 SAME ** 550 " - Not a Valid String 1 . the operands(eg 100,200 ..) should be positive numbers 2 . the operator should be and/or/not Thx

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  • In few words, what can be said about Mocking process in TDD

    - by Richard77
    Hello, I'd like to brush my brain to avoid confusions. In few words, what can be said about Mocking process in TDD What's the GREAT idea behind MOCKING? Mocking frameworks are meant to be used only to avoid accessing DB during tests or they can be used for something else? For new comers (like me), are all the frameworks equal or I need to choose one for this or that reason? Thanks for helping

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  • Access ELF string table section header

    - by idealistikz
    Assume: Elf_Section_Header *sectionHeaderTable //points to the start of a ELF section header table Elf_Section_Header *symtabHeader //points to the start of the symtab section header Why doesn't the following point me to the associated string table section header? Elf_Section_Header *strTabSectionHeader = (Elf_Section_Header *)((char *)sectionHeaderTable + (symtabHeader-strtab_index)); 'strTabSectionHeader-type == SHT_STRTAB' is equal to false How should I point ot the strTabSectionHeader?

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  • determine if intersection of a set with conjunction of two other sets is empty

    - by koen
    For any three given sets A, B and C: is there a way to determine (programmatically) whether there is an element of A that is part of the conjunction of B and C? example: A: all numbers greater than 3 B: all numbers lesser than 7 C: all numbers that equal 5 In this case there is an element in set A, being the number 5, that fits. I'm implementing this as specifications, so this numerical range is just an example. A, B, C could be anything.

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  • SQL View Creation

    - by george9170
    I have two tables Table FOO FooUniqueID| Year| Name| Worth| --------------------------- 1 2008 Bob 23.00 2 2009 Bob 40200 Table Bar BarUniqueID | Name | Value ----------------------- 1aBc Year 2009 I would like to create a view. That will select everything from FOO where the Year is equal select value from Bar where name = year without using a sub query. thank you

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  • Database model for saving random boolean expressions

    - by zarko.susnjar
    I have expressions like this: (cat OR cats OR kitten OR kitty) AND (dog OR dogs) NOT (pigeon OR firefly) Anyone having idea how to make tables to save those? Before I got request for usage of brackets, I limited usage of operators to avoid ambiguous situations. So only ANDs and NOTs or only ORs and saved those in this manner: operators id | name 1 | AND 2 | OR 3 | NOT keywords id | keyword 1 | cat 2 | dog 3 | firefly expressions id | operator | keywordId 1 | 0 | 1 1 | 1 | 2 1 | 3 | 3 which was: cat AND dog NOT firefly But now, I'm really puzzled...

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  • Algorithm for finding symmetries of a tree

    - by Paxinum
    I have n sectors, enumerated 0 to n-1 counterclockwise. The boundaries between these sectors are infinite branches (n of them). The sectors live in the complex plane, and for n even, sector 0 and n/2 are bisected by the real axis, and the sectors are evenly spaced. These branches meet at certain points, called junctions. Each junction is adjacent to a subset of the sectors (at least 3 of them). Specifying the junctions, (in pre-fix order, lets say, starting from junction adjacent to sector 0 and 1), and the distance between the junctions, uniquely describes the tree. Now, given such a representation, how can I see if it is symmetric wrt the real axis? For example, n=6, the tree (0,1,5)(1,2,4,5)(2,3,4) have three junctions on the real line, so it is symmetric wrt the real axis. If the distances between (015) and (1245) is equal to distance from (1245) to (234), this is also symmetric wrt the imaginary axis. The tree (0,1,5)(1,2,5)(2,4,5)(2,3,4) have 4 junctions, and this is never symmetric wrt either imaginary or real axis, but it has 180 degrees rotation symmetry if the distance between the first two and the last two junctions in the representation are equal. Edit: This is actually for my research. I have posted the question at mathoverflow as well, but my days in competition programming tells me that this is more like an IOI task. Code in mathematica would be excellent, but java, python, or any other language readable by a human suffices. Here are some examples (pretend the double edges are single and we have a tree) http://www2.math.su.se/~per/files.php?file=contr_ex_1.pdf http://www2.math.su.se/~per/files.php?file=contr_ex_2.pdf http://www2.math.su.se/~per/files.php?file=contr_ex_5.pdf Example 1 is described as (0,1,4)(1,2,4)(2,3,4)(0,4,5) with distances (2,1,3). Example 2 is described as (0,1,4)(1,2,4)(2,3,4)(0,4,5) with distances (2,1,1). Example 5 is described as (0,1,4,5)(1,2,3,4) with distances (2). So, given the description/representation, I want to find some algorithm to decide if it is symmetric wrt real, imaginary, and rotation 180 degrees. The last example have 180 degree symmetry. (These symmetries corresponds to special kinds of potential in the Schroedinger equation, which has nice properties in quantum mechanics.)

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  • Mysql bulk delete problem

    - by Nadir
    Hello, Anybody can help me with this mysql query: delete from generic__campaings_included where dealer_id not in ('2,3,4') and campaing_id = '1' When i execute this query i didnt get normal result. Exceot 2 (dealer_id) all rows deleted. How can i use "not in" with "and" operator? PS. Sorry for my english)

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  • How to render an object tree with paging?

    - by erikzeta
    I’ll render an object graph on a page looking like this: Category 1 Module 1 Product 1 Product 2 Product 3 Module 2 Product 4 Category 2 ... The Category has an IList<Module and the Module contains an IList<Product Now I need to implement paging on this structure but the problem is that I can’t do Category.Skip(page * pageSize).Take(pageSize) because this will only work on the Category object not the whole object tree. In other words I like to render out when the sum of Categories, Modules and Products is equal to the PageSize /erik

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  • union on the same table

    - by StupidDeveloper
    I have a table: ID | Id1 | Id2 1 | 100 | 12 2 | 196 | 140 3 | 196 | 141 4 | 150 | 140 5 | 150 | 199 I want to write a query that will give me a table containing records with the same ID2 and with id1 equal to 196 or 150. I thought about union: select * from table where itemId = 196 union select * from table where itemId = 150 but that doesn't cover the ID2 requirement. How should I do that?

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  • When should I use $ (and can it always be replaced with parentheses)?

    - by J Cooper
    From what I'm reading, $ is described as "applies a function to its arguments." However, it doesn't seem to work quite like (apply ...) in Lisp, because it's a binary operator, so really the only thing it looks like it does is help to avoid parentheses sometimes, like foo $ bar quux instead of foo (bar quux). Am I understanding it right? Is the latter form considered "bad style"?

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  • Set focus to textbox

    - by Geetha
    Hi All, In my web page there is a textbox with width and height equal to 0. This textbox is used to get the scanned bar code value which should not be visible to the user. Needs: I want to set focus to the textbox, when i click anywhere in the form. I want to make the cursor invisible. Geetha.

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  • Subsonic how do I filter a loaded collection?

    - by Kamikaze
    Currently I am using Subsonic 2.1 and .NET 2.1 and I have an issue where I am attempting to filter a pre-loaded collection with 300+ items. I am using the following to attempt to preform the filter: orders = MasterOrders.Where("account", mbrAccount).Load(); The end results is setting orders equal to the entire MasterOrders collection and not the filtered results. Any suggestions?

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  • Defaults for null values

    - by OldFart
    Working on a Powershell script I had several places where I wanted A unless it was null, else B. Essentially the ?? operator in C#. I ended up writing the function shown below, but I can't help but think there is a built-in way to do this. Is there a better, built-in, way? function Get-ValueOrDefault() { foreach ($value in $args) { if ($value -ne $null) { return $value } } } I think this works better: function Get-ValueOrDefault() { $args | select -first 1 }

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  • problem with printf() function

    - by Syom
    i have the variable $a = 5; i want to show it in binary form, with length, equal 8, with writing * at white spaces, just like this, like this * * * * *101 here the script $number = 5; printf("%*8b", $number); it doesn't work with *, but if "0"-s it works printf("%08b", $number); //returns 00000101 why it doesn't work with *?

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  • Javascript help - compare two dates in Euro (dd/MMM/yyyy) format

    - by Kettenbach
    Hi All, I am trying to compare to textbox values on an aspx form. Both the values represent dates. The are formatted like "dd/MMM/yyyy". How can I compare them in javascript to see if they are not equal and which one is greater etc... Does javascript have a date constructor for strings like this? Any tips would be appreciated. Thanks for the help. Cheers, ~ck in San Diego

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  • Can I use a single DateTime field on the Entity Framework model side when the value is stored in a set of Int fields in the actual database?

    - by Ivan
    The actual table in the database has separate integer fields for storing year, month, day, hour and minute values (all in UTC) (seconds and milliseconds are irrelevant for my task and considered equal to zero). Needless to say it would be of great convenience to have just one field of DateTime type on the application side and hide all the conversion under the cover of the Entity Framework model code. Any directions on how to do that? I am not very experienced with Entity Framework yet.

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  • Using Google Common Collection in GWT

    - by Jeeyoung Kim
    This is a simple problem, but I'm having problems with it... I'm trying to use Google common collection's Objects.equal() method in a GWT client code, but I'm keep getting the error "20:12:10.001 [ERROR] [gwt_regex] Line 39: No source code is available for type com.google.common.base.Objects; did you forget to inherit a required module?" Tried to Google for the answer, but couldn't find any answer regarding this - everyone just said "Google collection should work off the box with GWT".

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  • Is Programming or web designing a site harder? [closed]

    - by ggfan
    Given that someone has almost an equal understanding of coding(java, php, etc) and web designing(css, xml, photoshop) and wants to create a functional site. Which generally would be more time-consuming. There is obviously lots of considerations...but in general Just curious, because i am learning everything from books and now putting coding and design into practice and the css is kicking my *.

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