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  • How to add changebar in latex?

    - by Rabarberski
    In Latex, I've created a new command 'changedtext' to mark specifics parts in my document and make it appear blue: \newcommand{\changedtext}[1]{\textcolor{blue}{#1} } Is there any easy way to alter the command to have change bars appear next to the text in the resulting PDF? If not possible, any other suggestion for a visual markup (other than change bars) that would be clear on a black & white printout would be useful as well.

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  • Comparing floats in their bit representations

    - by sczizzo
    Say I want a function that takes two floats (x and y), and I want to compare them using not their float representation but rather their bitwise representation as a 32-bit unsigned int. That is, a number like -495.5 has bit representation 0b11000011111001011100000000000000 or 0xC3E5C000 as a float, and I have an unsigned int with the same bit representation (corresponding to a decimal value 3286614016, which I don't care about). Is there any easy way for me to perform an operation like <= on these floats using only the information contained in their respective unsigned int counterparts?

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  • Best way to store configuration settings outside of web.config

    - by Wil
    I'm starting to consider creating a class library that I want to make generic so others can use it. While planning it out, I came to thinking about the various configuration settings that I would need. Since the idea is to make it open/shared, I wanted to make things as easy on the end user as possible. What's the best way to setup configuration settings without making use of web.config/app.config?

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  • How to discover web servers on a local network?

    - by Stefan Kendall
    Suppose I'm running several servers serving basic requests on my local network (say a home network, where all machines generally have an IP in the form K.K.K.x, where x is variable). Is there an easy way to discover all such servers? I would need to find each IP on the network running a particular java server application.

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  • [bash] files indexed by production date

    - by caas
    Each day an application creates a file called file_YYYYMMDD.csv where YYYYMMDD is the production date. But sometimes the generation fails and no files are generated for a couple of days. I'd like an easy way in a bash or sh script to find the filename of the most recent file, which has been produced before a given reference date. Typical usage: find the last generated file, disregarding those produced after the May 1st. Thanks for your help

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  • How to communicate between service controller and a service/daemon?

    - by Sorin Sbarnea
    It is easy to display the status of a Windows service or to control it (start/stop) from a GUI application but the question if how about receiving/sending notifications from the service? Like: service telling to the user monitoring it that it needs attention. Please consider that you can have several controllers started at any time in a multi-user environment. Do you know an example(open source) for this kind of communication? Extra points for a platform independent solution :)

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  • Tool to profile php code

    - by Michael
    Looking for some [freeware/opensource] tool in order to make it easy to profile a big php project on win32 platform. Need to find out which part of code is most time consuming. It's hard to manually put timing function for each function, loop...

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  • Browser size (width and height)

    - by dono
    I'm trying to detect the browser's current size (width and height). I know it's super easy in jquery with $(document).width and $document.height, but I don't want to add the size of the jquery lib to the project, so I'd rather just use built in javascript. What would be the short and efficient way to do the same thing with javascript?

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  • Proving Transaction Processing in Azure

    - by dayscott
    Since I am writing a seminar work on "Transaction Processing in MS Azure" for my university I wanted to launch a bank-transfer simulation. I already have implemented a getting-started thingy to get familiar with Azure: http://www.c-sharpcorner.com/UploadFile/dhananjaycoder/48/Default.aspx . Question: What is the most easy way (using SQL Azure) to implement a small app which (dis)proves that transactions in Azure are done properly? (e.g. no lost updates)

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  • fire an intent from the onCreate method in android

    - by Sephy
    Maybe my question might seem a bit weird, but I have an activity in which, in one case , I have to move to another activity before it finishes loading the screen. My condition is in the onCreate method, which means when I encounter it, i get a "startActivity called from outside an activity context" error and the app just crashes... But then, is there an easy way like a flag for the intent to make it work without having the activity context resolved? thanks for any answer

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  • osCommerce Security Issue

    - by Auxi
    Hi, I am planning to integrate some opensource shopping cart with my site and I am bit worried about it's security. Is it that easy to hack osCommerce based website? Because I am thinking to use osCommerce.. Kindly advise.

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  • Windows Phone 7: Existing Libraries

    - by Peterdk
    I was hoping it was as easy as referencing my existing libraries to use them with WP7. However, it complains about not able to load them because of .Net CF when I actually use them. Do i need to recompile them to .NET CF or something?

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  • Changing style of latex description lists.

    - by Halpo
    This should be an easy question for someone out there. I have a description list \begin{description} \item[Name:] Halpo \item[Email Address:] [email protected] \item[Address:] 1234 Ivy Ln \\ Springfield, USA \end{description} It comes back as Name: Halpo Email Address: [email protected] Address: 1234 Ivy Ln Springfield, USA This is for an official document that has style requirements. The First thing is how do I turn off the bold? second how do I have all the text line up with the item labels and still be left justified?

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  • Which is the good C++ GUI Framework

    - by Suriyan Suresh
    I know there are plenty of C++ GUI libraries out there. Here is an incomplete but significant list: MFC Qt wxWidgets Ultimate++ WTL Win32 Win32Gui WinForms Here is what i want Well documented Modern (and well designed) interface Easy to use Widely used GUI editor (RAD tool) Free

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  • Avoiding explicit recursion in Haskell

    - by Travis Brown
    The following simple function applies a given monadic function iteratively until it hits a Nothing, at which point it returns the last non-Nothing value. It does what I need, and I understand how it works. lastJustM :: (Monad m) => (a -> m (Maybe a)) -> a -> m a lastJustM g x = g x >>= maybe (return x) (lastJustM g) As part of my self-education in Haskell I'm trying to avoid explicit recursion (or at least understand how to) whenever I can. It seems like there should be a simple non-explicitly recursive solution in this case, but I'm having trouble figuring it out. I don't want something like a monadic version of takeWhile, since it could be expensive to collect all the pre-Nothing values, and I don't care about them anyway. I checked Hoogle for the signature and nothing shows up. The m (Maybe a) bit makes me think a monad transformer might be useful here, but I don't really have the intuitions I'd need to come up with the details (yet). It's probably either embarrassingly easy to do this or embarrassingly easy to see why it can't or shouldn't be done, but this wouldn't be the first time I've used self-embarrassment as a pedagogical strategy. Background: Here's a simplified working example for context: suppose we're interested in random walks in the unit square, but we only care about points of exit. We have the following step function: randomStep :: (Floating a, Ord a, Random a) => a -> (a, a) -> State StdGen (Maybe (a, a)) randomStep s (x, y) = do (a, gen') <- randomR (0, 2 * pi) <$> get put gen' let (x', y') = (x + s * cos a, y + s * sin a) if x' < 0 || x' > 1 || y' < 0 || y' > 1 then return Nothing else return $ Just (x', y') Something like evalState (lastJustM (randomStep 0.01) (0.5, 0.5)) <$> newStdGen will give us a new data point.

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  • Documentation String Stub, Python

    - by Andres Orozco
    Well i'm learning Python cuz' i think is an awesome and powerful language like C++, perl or C# but is really really easy at same time. I'm using JetBrains' Pycharm and when i define a function it ask me to add a "Documentation String Stub" when i click yes it adds somethin like this: """ """ so the full code of the function is something like this: def otherFunction(h, w): """ """ hello = h world = w full_word = h + ' ' + w return full_word I would like to know what these (""" """) symbols means, Thanks. Ps.Data: Sorry for my bad english :D

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  • C# reading Emails from MS Exchange

    - by Mick W
    Hi I am new to c# and have been asked to read in the title and contents of emails that arrive in a particular email account and them store them in SQL. I initially thought this must be easy but I cannot find any simple tutorials or samples. Can anyone help? thanks

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  • Robust way to save/load objects with dependencies?

    - by mrteacup
    I'm writing an Android game in Java and I need a robust way to save and load application state quickly. The question seems to apply to most OO languages. To understand what I need to save: I'm using a Strategy pattern to control my game entities. The idea is I have a very general Entity class which e.g. stores the location of a bullet/player/enemy and I then attach a Behaviour class that tells the entity how to act: class Entiy { float x; float y; Behavior b; } abstract class Behavior { void update(Entity e); {} // Move about at a constant speed class MoveBehavior extends Behavior { float speed; void update ... } // Chase after another entity class ChaseBehavior extends Behavior { Entity target; void update ... } // Perform two behaviours in sequence class CombineBehavior extends Behavior { Behaviour a, b; void update ... } Essentially, Entity objects are easy to save but Behaviour objects can have a semi-complex graph of dependencies between other Entity objects and other Behaviour objects. I also have cases where a Behaviour object is shared between entities. I'm willing to change my design to make saving/loading state easier, but the above design works really well for structuring the game. Anyway, the options I've considered are: Use Java serialization. This is meant to be really slow in Android (I'll profile it sometime). I'm worried about robustness when changes are made between versions however. Use something like JSON or XML. I'm not sure how I would cope with storing the dependencies between objects however. Would I have to give each object a unique ID and then use these IDs on loading to link the right objects together? I thought I could e.g. change the ChaseBehaviour to store a ID to an entity, instead of a reference, that would be used to look up the Entity before performing the behaviour. I'd rather avoid having to write lots of loading/saving code myself as I find it really easy to make mistakes (e.g. forgetting to save something, reading things out in the wrong order). Can anyone give me any tips on good formats to save to or class designs that make saving state easier?

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