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• How can I implement MapReduce using shell commands?

  - by alex

  How do you execute a Unix shell command (e.g awk one liner) on a cluster in parallel (step 1) and collect the results back to a central node (step 2)? Update: I've just found http://blog.last.fm/2009/04/06/mapreduce-bash-script It seems to do exactly what I need.

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• SQL - Order against two columns at the same time (intersecting)

  - by Alex

  I have a table with the fields CommonName and FirstName. Only either field has data, never both. Is there a way to order rows in an intersecting manner on SQL Server? Example: CommonName FirstName Bern Wade Ashley Boris Ayana I want records ordered like this: CommonName FirstName Ashley Ayana Bern Boris …

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• Turn off iPhone/Safari input element rounding

  - by Alex

  My website renders well on the iPhone/Safari browser, with one exception: My text input fields have a weird rounded style which doesn't look good at all with the rest of my website. Is there a way to instruct Safari (via CSS or metadata) not to round the input fields and render them rectangular as intended?

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• kerberos ENC-TC

  - by alex-river

  What is wrong with the heimdal configuration? kinit test test@REALM's Password: kinit: krb5_get_init_creds: No ENC-TS found An /etc/krb5.conf contains: default_tgs_enctypes = des-cbc-crc default_tkt_enctypes = des-cbc-crc default_etypes = des-cbc-crc default_etypes_des = des-cbc-crc fcc-mit-ticketflags =…

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• invalid context 0x0 under iOS 7.0 and system degradation

  - by Alex

  I've read as many search results I could find on this dreaded problem, unfortunatelly, each one seems to focus on a specific function call. My problem is that I get the same error from multiple functions, which I am guessing are being called back from functions that I use. To make matters worse, the actual code is within a custom private…

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• How to add XML elements into the toolbox in Visual Studio 2010 RC

  - by Alex Marshall

  I'm trying to edit an XML schema in Visual Studio 2010 Ultimate RC, but when I go to the toolbox (with the schema open and focused) there's absolutely nothing in the Toolbox view, even when every tutorial out there that I've read tells me that there should be. I've tried using the context menu option for resetting the Toolbox to no effect.…

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• How to build n-layered web architecture with PHP?

  - by Alex

  I have a description and design of a website and I need to redesign it to allow for new requirements. The website's purpose is the offering of government's contracts and bidding opportunities for different businesses.I'm dealing with the 3-tier architecture PHP website comprising of the user-interface tier(client's web browser),business…

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• In Scala, when is (A,A)=>R not equivalent to Function2 ?

  - by Alex R

  I'm trying to define and use my own foreach function. This is in the middle of a larger block of code. But the essence of the error I'm getting is this: test_2.scala:32: error: type mismatch; found : (A, A) = Unit required: Function2 $amount.foreach( (k:A,v:A) = { How is this error conceivably possible? Isn't…

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• Find out in Global.Asax - Application_Start if ASP.NET application running locally

  - by Alex

  Hello, HttpContext.Current.Request.IsLocal is not available in Global.Asax/Application_Start (Request is not available in the context). How else could I safely determine if my ASP.NET MVC application is started locally or not? This is to rewrite my web.config conditionally (depending on whether the application is deployed (remote)…

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• Very dumb question about IntelliJ IDEA

  - by Alex R

  I'm a long-time Eclipse user and I just now decided to try IntelliJ IDEA 9 (free edition) for Scala. A couple of dumb questions: How can I tell if a file I've modified has been saved? How can I tell if I file I've saved has been checked into CVS? I feel incredibly "exposed" to some sort of imminent danger when I don't see the…

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• Finding duplicate values in a SQL table

  - by Alex

  It's easy to find duplicates with one field SELECT name, COUNT(email) FROM users GROUP BY email HAVING ( COUNT(email) > 1 ) So if we have a table ID NAME EMAIL 1 John asd@asd.com 2 Sam asd@asd.com 3 Tom asd@asd.com 4 Bob bob@asd.com 5 Tom asd@asd.com This query will give us John, Sam,…

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• Shared library linking and loading in BusyBox 0.61

  - by Alex Marshall

  Does anybody know how the dynamic linking and shared library loading works in BusyBox 0.61 ? I can't seem to find how this is done. There's no 'ld' present on the embedded system I'm dealing with, nor is there an LD_LIBRARY_PATH variable set anywhere. My motivation for this is to be able to create a symlink in the /lib…

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• Exclude System.Diagnostics.Contracts When Using PartCover

  - by Alex Jeffery

  I am trying out the .net Code Contracts fro .net 3.5 I have some unit test that I am running PartCover over to calculate the code coverage. PartCover keeps including the System.Diagnostics.Contracts in my report. Here are the rules I am using to include MyProject and exclude everything else. …

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• Interacting with RESTful API's via Javascript?

  - by Alex

  Hi there, to start off, I know C++, C#, Python, some Ruby, and basic Javascript. Anyway, my question revolves around how to interact with RESTful API's via Javascript. I haven't been able to find any good examples on various websites, and so I've come here. So my basic question is: How do I…

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• Why do .NET winforms scale improperly at large DPI settings?

  - by Alex

  My .NET application (VB.NET 3.5 if you really must know) forms do not properly format when rendered at high DPI settings. All of the fixes I've found so far simply explain the cause of the problem as "certain UI elements do not scale properly". I was wondering if anyone had a more…

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• 500px.com Ranking Algorithm

  - by alex

  I was recently wondering how http://500px.com calculates their "Pulse" rating. The "Pulse" is a score from 1..100 based on the popularity of the photo. I think it might use some of the following criteria: Number of likes Number of "favorites" Number of comments Total views maybe…

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• I'm a professional Java developer, should I learn .NET?

  - by Alex Spurling

  Java and .NET seem to have a great number of parallels especially in the web application area. Both languages have many of the same technologies especially in terms of open source libraries (JUnit and NUnit, Hibernate and NHibernate) but there are also plenty of differences and…

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• PHP best practices for naming conventions

  - by alex

  I recently started these naming conventions.. all functions & variables = camelCase constants with define() = ALL_CAPS_AND_UNDERSCORES Now I see a lot of other people mix up camelCase and underscores and they seem to have some sort of convention to it... What do you use…

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• How long do you keep log files?

  - by Alex

  I have an application which writes its log files in a special folder. Now I'd like to add a functionality to delete these logs after a defined period of time automatically. But how long should I keep the log files? What are "good" default values (7 or 180 days)? Or do you…

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• ModalPopupExtender + ASP.NET AJAX: Can't page grid

  - by Alex

  I'm trying to page and sort my datagrid wich is inside a modalpopupextender but I can't page it in any way, already tried with , put the updatepanel inside, outside, in the middle (loL) and it does NOT work. modal popup does not get closed but the grid just dissapear.…

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• How to change a div's innerHTML after redirecting?

  - by Alex

  I am trying to change the innerHTML of a div on the page that I am loading. This is my JavaScript code: function redirect(titleName){ window.location = "pageToLoad.php"; document.getElementById("title").innerHTML = titleName; } It doesn't seem to be…

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• Mysql overlap vs distance--which is faster?

  - by alex

  I'm trying to find rows which are within __meters from the given point. THis can be done via distance or overlap. WHat is faster?

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• VB.NET - Removing a number from a random number generator

  - by Alex

  I am trying to create a lottery simulator. The lottery has 6 numbers, the number generated must be between 1 - 49 and cannot be in the next number generated. I have tried using the OR function but I'm not entirely sure if I am using it properly. Any help would…

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• MySql: Problem when using a temporary table

  - by Alex

  Hi, I'm trying to use a temporary tables to store some values I need for a query. The reason of using a temporary table is that I don't want to store the data permanently so different users can modify it at the same time. That data is just stored for a second,…

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• Configuring Eclipse with wxPython

  - by Alex

  Hi, I've been browsing documentation, but haven't been able to find a straightforward tutorial, so I apologize if this is a really simple question. Anyway, I have eclipse with pydev installed on MAC OSX, and I want configure wxPython to work with eclipse,…

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