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• Russian time zone changes

  - by Tim Post

  As many of you know, Russia has eleven time zones, and has (or will) cut two of them. It is possible that they may end daylight savings time altogether. Does anyone know if they have cut two time zones, and if daylight savings is now a thing of the past? If so, does daylight savings end in all time zones, or just some? I maintain some software that may need to be patched and can't find two news sites that agree on if they have, or have not implemented these changes.

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• Windows 7 different background images for dual monitor setting

  - by balint

  Is there a way to set two different background pictures for my two monitors in Windows 7? By default the same background picture is used for both displays. I am looking for a solution without installing extra software.

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• Is there a way to efficiently update one value in dojo chart2d?

  - by Nick Orlowski

  I am looking for a way to update one and only one value in a dojox chart2d. There is a way to update an entire series, which involves mychart.updateSeries("myseriesname",array_of_data) mychart.render() but This is too slow for my application. What I want to do is be able to drag the mouse over a vertical bar chart and have the values change as I am doing it. Only one or two values will need to change, so there is no need to reload all of the plots, just the two or three values that are changing. Is there a method that will quickly update only one or two values without lag? Thanks, Nick O I may just end up writing my own css version :S

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• Sharing svn reposities between web servers

  - by Luke

  I have my subversion hosting set up to be accessed through Apache web server. Everything runs fine. Now I'd like to add another web server to distribute the load between two web servers. Is it save to have my svn repositories accessed by two web servers at the same time? Does the normal fsfs subversion repository type protect me enough or do I need to switch to Berkely DB for this sort of thing?

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• How do I display a field's hidden characters in the result of a query in Oracle?

  - by Chris Williams

  I have two rows that have a varchar column that are different according to a Java .equals(). I can't easily change or debug the Java code that's running against this particular database but I do have access to do queries directly against the database using SQLDeveloper. The fields look the same to me (they are street addresses with two lines separated by some new line or carriage feed/new line combo). Is there a way to see all of the hidden characters as the result of a query?I'd like to avoid having to use the ascii() function with substr() on each of the rows to figure out which hidden character is different. I'd also accept some query that shows me which character is the first difference between the two fields.

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• How to use custom color for each textview in listview that extends SimpleAdapter in Android ?

  - by mob-king

  I have a listview with custom rows and that extends SimpleAdapter. Each row consist of two linear layouts : 1st having two textviews of which one is hidden in horizontal orientation, second having two textviews in horizontal orientation. Now depending on the value in hidden textview , I want to setcolor for the remaining items for the row. To put it as simple: each listview item has some custom colors the value of which comes from the hidden field. I have done this by overriding getview() for the simpleadapter and returning view for each, but this makes list very slow to render (and that I think is obvious as so much of work for each view before showing it). Can I do this in some more efficient way ? like making views and then add up to list instead of using xml layout maybe one solution OR any other ? Any help ? Thanks.

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• gvim "open in new window" should change directory to the one of the current file

  - by Flavius

  Hi I'm working in gvim with sessions and tabs, and everything works great. However there is something that is bothering me. Say I have two files open: /A/B/foo.ext and /C/D/E/bar.ext, the latter being opened last. Now say I want to open /A/B/foobar.ext. I have to go through the hassle of navigating upwards to / and from there to /A/B. I would like to simply change my active tab to /A/B/foo.ext and have gvim automatically change its active directory to /A/B/, so that when I want to open /A/B/foobar.ext with /A/B/foo.ext being active, I'm already in the right CWD. This would be very time-saving if you work with two different projects at a time and need to switch back and forth between the two. Is there any such script that does just that? Thanks.

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• Is it possible to rsync your web site to another backup server and use the same .htaccess files?

  - by stephenmm

  I am trying to use rsync to replicate all the files from one web server to another server that could act as a backup if the first one went down. The problem I am having is that the .htaccess file requires the AuthUserFile to have the fully quallified path to the .htpasswd file and I cannot make the paths the same on the two machines. Does anyone know how I might use the same .htaccess file on two different servers? Thanks for any help that can be provided.

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• Optimal Sharing of heavy computation job using Snow and/or multicore

  - by James

  Hi, I have the following problem. First my environment, I have two 24-CPU servers to work with and one big job (resampling a large dataset) to share among them. I've setup multicore and (a socket) Snow cluster on each. As a high-level interface I'm using foreach. What is the optimal sharing of the job? Should I setup a Snow cluster using CPUs from both machines and split the job that way (i.e. use doSNOW for the foreach loop). Or should I use the two servers separately and use multicore on each server (i.e. split the job in two chunks, run them on each server and then stich it back together). Basically what is an easy way to: 1. Keep communication between servers down (since this is probably the slowest bit). 2. Ensure that the random numbers generated in the servers are not highly correlated.

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• Choosing connectionstring in VB.NET application at startup

  - by MatsT

  I have a VB.NET application with a connection to an SQL Server 2003. On the server there are two databases, MyDatabase and MyDatabase_Test. What I would like to do is to show a dialog when the program starts that let's the user choose which database to use. My idea is to create a new form as the starup form that sets this property and then launches the main form. Currently the connectionstring is specified in the application config file. Best would be if I can specify two different connection strings in that file to choose from, but for now it is also acceptable with other solutions like hardcoding the two connectionstrings into the startup form.

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• Is it good to subclass a class only to separate some functional parts?

  - by prostynick

  Suppose we have abstract class A (all examples in C#) public abstract class A { private Foo foo; public A() { } public void DoSomethingUsingFoo() { //stuff } public void DoSomethingElseUsingFoo() { //stuff } //a lot of other stuff... } But we are able to split it into two classes A and B: public abstract class A { public A() { } //a lot of stuff... } public abstract class B : A { private Foo foo; public B() : base() { } public void DoSomethingUsingFoo() { //stuff } public void DoSomethingElseUsingFoo() { //stuff } //nothing else or just some overrides of A stuff } That's good, but we are 99.99% sure, that no one will ever subclass A, because functionality in B is very important. Is it still good to have two separate classes only to split some code into two parts and to separate functional elements?

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• If I uninstall Bonjour and Apple Mobile Device Support will transferring songs to my ipod via itunes

  - by Kate

  I am one of those people who hate to have even one unnecessary program installed. I noticed when I downloaded and installed itunes two other components were installed and shows up in my control panel Uninstall programs screen: "Bonjour" and "Apple Mobile Device Support". Are these two necessary for itunes to work? I never buy songs via itunes, just use the program to transfer smp3s to my ipod.

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• Creating a network link between 2 very close buildings

  - by Daniel Johnson

  I have a charity who have two adjacent medium sized modern detached houses (in the UK): the buildings stand next to each other and are less than 5 metres apart. They have DSL connected to a single computer in one of the buildings. They want to add a network with wireless, and want it to work across both buildings. Being a charity they need to keep costs down. The network would be used for sharing Word documents, e-mail, browsing and skyping. My initial thoughts were to connect the buildings with fibre. So: Option 1 Use fibre between the buildings. Sufficient cable and two TP-LINK MC100CM Fast Ethernet Media Converters. Cost ~£80.00. But there is the extra cost and hassle of running the cable down and up the external walls, lifting and relaying paving, and burying underground. Never having fitted fibre I'm also a little worried about going up the wall and then bending the cable at 90 degrees to go through the wall and into the building. Option 2 Use two TP-Link TL-WA7510N High Powered Outdoor 5Ghz 15dBi Wireless antennas to connect the buildings. There is a clear line of sight at first floor level. Cost ~£100. And much easier to fit than fibre! Is using the TL-WA7510Ns overkill? Is there something more suitable? I had hoped to use some Netgear stuff, e.g. two DGN2200, one in each house and also use them to provide the wireless link between the buildings. However, in bridge mode wireless client association is not available and repeater mode with client association only supports WEP security which isn't strong enough. Is there something similar that would be up to the job? Option 3 Connect the buildings with UTP cable. My concerns here are risk of electric shock due to a difference of potential between the buildings (or are they so close this shouldn't be an issue) and protection from lightning strikes. Is fitting lighting arrestors expensive? And what can be done to ameliorate against the risk of shock? This all falls outside my area of expertise so I would really appreciate some advice.

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• How do I set or remove a Windows SMB password?

  - by David Is Not Here

  I recently purchased a computer with the intention of using it as network-attached storage. It presently has no Windows password and only one account. Can I create two different shares (share two different folders) in different ways -- make one publicly accessible, and make another only visible to people with a certain username/password combination? Creating multiple users isn't a problem, I just can't figure out where to start within Windows.

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• Haskell - Parsec Parsing <p> element

  - by Martin

  I'm using Text.ParserCombinators.Parsec and Text.XHtml to parse an input like this: This is the first paragraph example\n with two lines\n \n And this is the second paragraph\n And my output should be: <p>This is the first paragraph example\n with two lines\n</p> <p>And this is the second paragraph\n</p> I defined: line= do{ ;t<-manyTill (anyChar) newline ;return t } paragraph = do{ t<-many1 (line) ;return ( p << t ) } But it returns: <p>This is the first paragraph example\n with two lines\n\n And this is the second paragraph\n</p> What is wrong? Any ideas? Thanks!

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• How to install Multiple ActiveX Controls per one step?

  - by Eugene

  My .ocx contains two ActiveX controls and I use both of them on one page. When user comes to page he gets two install confirmations for the same binary. After the first installation and page reload he gets one control displayed and “the website wants to run the following add-on...” yellow bar with control’s run confirmation for the other. I have only two possible solutions: Adding my CLSID’s to IE’s pre-approved control list, but I guess I cannot do it in the case of Non-Admin installation. Besides I consider this way as unreliable. Use the third control-container for hosting all other controls. It seems to my too complicated. Actually I’m not sure it can be done. Controls are used from the WEB, so I cannot use any administrative tools for installation. Is it possible to do all installation actions with one step without twice installation or run confirmation? Are there any “Best practices” for my case?

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• Which is a better use of my SSD Drive [on hold]

  - by RS Conley

  I have the choice of setting up a system with two SSD Drives in Raid 1 mode as my boot drive for Windows 7 64-bit. With the Program Files and User Folders moved to a Second regular HD Drive also configured using Raid 1. Or Setup a single SSD Drive (120 GB or 256 gb) as a cache Drive using Intel Rapid Storage Technology combined with two normal hard drives configured as Raid 1. Which setup would have the faster hard drive performance over the life of the computer?

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• What is the best data structure and algorithm for comparing a list of strings?

  - by Chiraag E Sehar

  I want to find the longest possible sequence of words that match the following rules: Each word can be used at most once All words are Strings Two strings sa and sb can be concatenated if the LAST two characters of sa matches the first two characters of sb. In the case of concatenation, it is performed by overlapping those characters. For example: sa = "torino" sb = "novara" sa concat sb = "torinovara" For example, I have the following input file, "input.txt": novara torino vercelli ravenna napoli liverno messania noviligure roma And, the output of the above file according to the above rules should be: torino novara ravenna napoli livorno noviligure since the longest possible concatenation is: torinovaravennapolivornovilligure Can anyone please help me out with this? What would be the best data structure for this?

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• Core Data and Relationships

  - by alku83

  I have two objects, a Trip and a Place. A Trip represents a journey from one Place to another Place, ie. a Trip needs a fromPlace and a toPlace. So, this is a 1-to-2 relationship, but I need to know which is the "from" and which is the "to". I am not sure how to model this in Core Data. I have created two entities (Trip, Place), and now I want to setup the relationship(s) so I have a fromPlace and a toPlace. Do I need to add an extra field on the Place entity called isFrom, or similar? If this was in a database, I would just have a id column on the Place table, and then two columns in the Trip table - fromPlaceId and toPlaceId. How do I achieve something similar in Core Data?

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• How do I forward map a point in OpenCV using mapx & mapy?

  - by Charles

  Ultimately, I'm trying to determine the 3D location of a point I've identified in two cameras (using OpenCV 2.3.1, Windows 7, C++). I'm having trouble locating the 2D point for each camera from its mapx & mapy. I could not find in Bradski & Kaehler's OpenCV book how to do it. PROCESS calibrateCamera for each of the pair stereoCalibrate stereoRectify detect the blob I want to locate in 3D on each camera in 2D initUndistortRectifyMap for each camera Eventually, perspectiveTransform PROBLEM with 5: I have the x and y location of the point in the distorted and unrectified image for each camera(from #4) but I don't know how to get the undistorted and rectified x and y for each camera from the two maps initUndistortRectifyMap creates for each camera. I don't want to remap the whole image since I only want to learn the 3D location of one object for each frame. QUESTION: How do I forward map a point (get the undistorted and rectified x and y) with its two maps? Thanks for any help.

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• What's the purpose of having a separate "operator new[]" ?

  - by sharptooth

  Looks like operator new and operator new[] have exactly the same signature: void* operator new( size_t size ); void* operator new[]( size_t size ); and do exactly the same: either return a pointer to a big enough block of raw (not initialized in any way) memory or throw an exception. Also operator new is called internally when I create an object with new and operator new[] - when I create an array of objects with new[]. Still the above two special functions are called by C++ internally in exactly the same manner and I don't se how the two calls can have different meanings. What's the purpose of having two different functions with exactly the same signatures and exactly the same behavior?

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• Command line tools for copying parts of video

  - by iceman

  I have a divx video of 10 mins. I want to copy two parts from it , minutes 2 to 6 and 8 to 10 and create another video by merging the two. how can I do it using lightweight command line tools. Either on Windows or Linux?

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• Avoiding string copying in Lua

  - by Matt Sheppard

  Say I have a C program which wants to call a very simple Lua function with two strings (let's say two comma separated lists, returning true if the lists intersect at all, false if not). The obvious way to do this is to push them onto the stack with lua_pushstring, which works fine, however, from the doc it looks like lua_pushstring but makes a copy of the string for Lua to work with. That means that to cross over to the Lua function is going to require two string copies which I could avoid by rewriting the Lua function in C. Is there any way to arrange things so that the existing C strings could be reused on the Lua side for the sake of performance (or would the strcpy cost pale into insignificance anyway)? From my investigation so far (my first couple of hours looking seriously at Lua), lite userdata seems like the sort of thing I want, but in the form of a string.

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• Can I combine atom feeds from separate resources into one?

  - by stephemurdoch

  I have two resources for which I would like to generate feeds; they are called podcasts and posts. The problem is that when I include the auto_discovery_link in my templates, I have to add one for each of the two atom feeds that I've generated. The reason why this is a problem is that there are now two feeds for users to choose from, and most people probably won't realise that they need both so will only pick one. Is there a way to combine atom feeds from different resources into one atom feed? Like application.atom or something? I'm using builder to generate the feed.

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• NSPredicate confusion. Ignoring spaces.

  - by Mr. McPepperNuts

  NSPredicate *predicate = [NSPredicate predicateWithFormat:@"name contains [cd] %@", passdTextToSearchFor]; I have two entries in name: "Test One" and "Test Two." If I search for "test," I get 0 results. But if I search for "test one" or "test two" I get the proper result. The search is ignoring the space. In reality I want both results if the user searches for "test." Any ideas? I tried contain and like.

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