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  • Are methods also serialized along with the data members in .NET?

    - by Shaza
    The title is obvious, I need to know if methods are serialized along with object instances in C#, I know that they don't in Java but I'm a little new to C#. If they don't, do I have to put the original class with the byte stream(serialized object) in one package when sending it to another PC? Can the original class be like a DLL file?

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  • LINQ TO SQL, Dynamic query with DATE type fields

    - by acanthus
    Hello, I'm building a query with the LINQ dynamic library so I don't know how many potential parameters will I have and I get an error when trying to query DATE type fields: Operator '=' incompatible with operand types 'DateTime' and 'String' When I step through the debugger in the Dynamic.cs it shows that the value is of type string and the field is of type date so the problem is obvious but I have no idea how to approach it. Any ideas? BR

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  • How do I conditionally redirect the output of a command to /dev/null?

    - by Lawrence Johnston
    I have a script. I would like to give this script a quiet mode and a verbose mode. This is the equivalent of: if $verbose then redirect="> /dev/null" fi echo "Verbose mode enabled" $redirect # This doesn't work because the redirect isn't evaluated. I'd really like a better way of doing this than writing if-elses for every statement affected. eval could work, but has obvious side effects on other variables.

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  • Z-index bug with IE6.. can't seem to figure this one out

    - by Trip
    I am working on this gorgeous header here at : http://kayaskitchenbelmar.com/test/header.html Unfortunately, in IE6, the drop downs that come off of the Print and View buttons collapse on to a new line. This is because of the common z-index bug. I tried resolving this by making the parent div have a higher z-index and position relative with its child a lower z-index and position absolute, but that didn't seem to work. Possibly I'm missing something obvious? Thanks so much

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  • Building an IRC bot in Java

    - by Waltzy
    After some googling an obvious answer or starting point for a Java IRC bot has not presented itself, my question; is there an existing framework to help me do build an IRC bot? Failing that, is this possible using Sockets in Java to do this and has anyone seen an example around the web? cheers guys.

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  • Python style: if statements vs. boolean evaluation

    - by mkscrg
    One of the ideas of Python's design philosophy is "There should be one ... obvious way to do it." (PEP 20), but that can't always be true. I'm specifically referring to (simple) if statements versus boolean evaluation. Consider the following: if words: self.words = words else: self.words = {} versus self.words = words or {} With such a simple situation, which is preferable, stylistically speaking? With more complicated situations one would choose the if statement for readability, right?

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  • c++, when do you need/have to pass data as (*&)

    - by ra170
    I came across people passing data objects as: declaration: DataObject * data = 0; calling it as: SomeMethod( data ); definition of Somethod: void SomeMethod(SomeObject * & object) My obvious question is, when and why do you have to do this (& *)? Is it passing the pointer as reference?

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  • Polymorphic association inserts 0 instead of raising error when column is misconfigured as Integer

    - by zetetic
    Here's one that stumped me for a while, though in retrospect it should have been obvious. I was getting the error message NoMethodError: undefined method `constantize' for 0:Fixnum when accessing a model through a polymorphic association. Turns out the table on the belongs_to side of the association had an integer type column instead of a string. Easily fixed, but it seems like Rails ought to raise an error in this situation -- instead it happily adds the row with 0 in the type column.

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  • Applications of concurrent queues and stacks in .NET 4

    - by Jon Harrop
    .NET 4 includes new concurrent data structures. The Bag and Dictionary collections have obvious applications but I cannot see any use for the Queue and Stack data structures. What are people using these for? Also, I've noticed that the design based upon linked lists incurs a lot of allocation and that destroys scalability. This is surprising given that the sole purpose of these collections is multicore programming. Is this an inherent limitation or are they just badly implemented?

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  • Nicer way to deploy a minified Chrome extension

    - by UVL
    When deploying an extension I follow various steps : copy to a temporary folder all the files, copy/paste back and forth the code to the on-line minifiers / obfuscators and create the zip to be uploaded. It's obvious that this could be simplified with scripting, but my experience on Windows scripting is very limited (most of my experience is server-side). Do I have to look back to the DOS .bat files like in the 90's or is there some cool tool or method I'm not aware?

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  • How should i store availability calendar information in mysql? for [id] [date] [available/unavailab

    - by Haroldo
    I'm building a simple calendar for holiday cottages to show when they are booked or available. What would be the fastest mysql table design for this, bearing in mind when users mark dates as available/booked they will do so via a start date and an end date. i can see 2 obvious options Store 'booked' data for every day [more rows] or, store 'booked' data with 2 columns a start_date and end_date [more processing?] Which is best or is there another method i'm missing?

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  • I need a dictionary-like mapping between characters and other kinds of objects. Which class would be

    - by nullPointerException
    This is in Squeak/Pharo. If I want to have a mapping between Character objects like $a and $b to other kinds of objects, and want to look up those other objects based on the Character, what is the best class to use? Dictionary is an obvious choice, but seems wasteful to be hashing character objects which are basically already numbers. I guess what I want is a kind of array where the character value (number) is used as an index/offset, but I am not sure if this is possible with Unicode.

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  • Amazon API library for Python?

    - by Kevin
    What Python libraries do folks use for querying Amazon product data? (Amazon Associates Web Service - used to be called E-Commerce API, or something along those lines). Based on my research, PyAWS (http://pyaws.sourceforge.net/) seems okay, but still pretty raw (and hasn't been updated in a while). Wondering if there's an obvious canonical library that I'm just missing.

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  • Start Line with (New... in VB.net

    - by pedro_cesar
    Hello; Why can't I start a line using a parenthesis followed by the keyword new?? For example: (New <custom_obj>).foo(var) In that case is obvious that I'm trying to avoid creating a named instance of the the <custom_obj> because I know that I'll only be using it at that sentence. Note that actually creating a named instance is not a problem for me... I just wanna know the reason why this is not possible.

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  • Tips / Resources for building a Google Chrome plugin

    - by David
    After test driving Google Chrome for 30 minutes or so, I like it, even if it seems bare-bones at the moment. The obvious way to add a few things I can't live without would be through plugins. Does anyone have any links to resources on how to get started building a plugin/addon for Chrome? Thanks.

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  • Repeat elements of vector in R

    - by bshor
    Hi, I'm trying to repeat the elements of vector a, b number of times. That is, a="abc" should be "aabbcc" if y = 2. Why doesn't either of the following code examples work? sapply(a, function (x) rep(x,b)) and from the plyr package, aaply(a, function (x) rep(x,b)) I know I'm missing something very obvious ...

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  • Porting 32 bit C++ code to 64 bit - is it worth it? Why?

    - by NTDLS
    I am aware of some the obvious gains of the x64 architecture (higher addressable RAM addresses, ect)... but: What if my program has no real need to run in native 64 bit mode. Should I port it anyway? Are there any foreseeable deadlines for ending 32 bit support? Would my application run faster / better / more secure as native x64 code?

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  • Accessing Arbitrary Columns from an R Data Frame using with()

    - by johnmyleswhite
    Suppose that I have a data frame with a column whose name is stored in a variable. Accessing this column using the variable is easy using bracket notation: df <- data.frame(A = rep(1, 10), B = rep(2, 10)) column.name <- 'B' df[,column.name] But it is not obvious how to access an arbitrary column using a call to with(). The naive approach with(df, column.name) effectively evaluates column.name in the caller's environment. How can I delay evaluation sufficiently that with() will provide the same results that brackets give?

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  • Accress Parent Page's Viewstate in ASP.NET

    - by rachmos
    OK, I guess I'm missing something obvious here, but I still can't make it work... I have a page in ASP.NET. I have a nested class inside the page. I have a property in this nested class. How can I access the page's viewstate from the property's Set statement? Thanks!

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  • When to use reflection to convert datarow to an object

    - by Daniel McNulty
    I'm in a situation now were I need to convert a datarow I've fetched from a query into a new instance of an object. I can do the obvious looping through columns and 'manually' assign these to properties of the object - or I can look into reflection such as this: http://www.codeproject.com/Articles/11914/Using-Reflection-to-convert-DataRows-to-objects-or What would I base the decision on? Just scalability??

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  • How do I declare a pipe in a header file? (In C)

    - by Kyle
    I have an assignment in which I need to declare a pipe in a header file. I really have no idea how to do this. It might be a really stupid question and I might be missing something obvious. If you could point me in the right direction I would greatly appreciate it. Thanks for your time.

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  • list arrays in Drupal form

    - by bert
    Is there a better way to find all form elements in a Drupal form than doing a print_r($form)? This dumps excessive amount of information and it is no obvious what to look for.

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