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• NSZombieEnabled hides EXC_BAD_ACCESS error entirely

  - by David Liu

  So I have a subclass of a UIView that starts causing EXC_BAD_ACCESS errors when I go through a specific set of conditions (run on iPad instead of iPhone or simulator, first login only). It throws the exception when the UIView subclass gets deallocated, during the last line, where I have [super dealloc]. I heard about using NSZombieEnabled, so I tossed that on to see if I could get any more information about it, but now it hides the error completely! Does anyone know a bit more about this type of situation? I thought NSZombie would start spewing stuff into my console like before, but I'm hoping that the nonexistance of errors would tell me some sort of information as well.

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• Insert rownumber repeatedly in records in t-sql.

  - by jeff

  Hi, I want to insert a row number in a records like counting rows in a specific number of range. example output: RowNumber ID Name 1 20 a 2 21 b 3 22 c 1 23 d 2 24 e 3 25 f 1 26 g 2 27 h 3 28 i 1 29 j 2 30 k I rather to try using the rownumber() over (partition by order by column name) but my real records are not containing columns that will count into 1-3 rownumber. I already try to loop each of record to insert a row count 1-3 but this loop affects the performance of the query. The query will use for the RDL report, that is why as much as possible the performance of the query must be good. any suggestions are welcome. Thanks

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• Upon doing a XSL Transform to XML how do I remove white space from a Node's attribute or data?

  - by Randy

  I have a part's list built out in XML and each part is labeled as such: <division> <parts> <part number="123456 " drawing="123456 " cad="y"> <attribute> <header>Header</header> <list>2</list> </attribute> </part> And I need to get the data behind the number and drawing attributes without the white space. I tried xsl:strip-space on the specific elements, and across the board, but that only strips the content in between the tags. I unfortunately have no access to the back-end that's producing the XML, so removing the spaces there doesn't look like an option.

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• Adding line with text between pattern and next occurence of the same pattern in bash

  - by kasper

  I am writing a bash script that modifies a file that looks like this: --- usr1 --- data data data data data data data data data data data data --- usr2 --- data data data data data data data data --- usr3 --- data data data data --- endline --- One question is: How to add next user line --- usrn --- after last user data lines? Second one is: How to delete specific user data lines (data lines and --- userx ---) i.e. I would like to delete usr2 with all his data set. It must work on bash 2.05 :) and I think it will use awk or sed, but I'm not sure.

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• Why is this static routing not working ?

  - by geeko

  Greeting gurus, I'm trying to develop a DHCP enforcement extension like Microsoft NAP. My trick to block dynamic-IP requesting machines (that don't meet certain policy) is to strip the default gateway (no default gateway) stated in the IP lease and set the lease subnet mask to 255.255.255.255. Now I need the blocked machines to be able to reach some specific locations (IPs) on the network. To allow for this, I'm including some static routes in the lease. For example, I'm including 10.10.10.11 via router 10.10.10.254 (the one to which the blocked machine that needs to access 10.10.10.11 is connected). Unfortunately, as soon as I set the default gateway to nothing, blocked machines cannot reach any of the added static routes. I also tried classless static routes. Any ideas ? any one knows how MS NAP actually do it ? Geeko

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• Within a category, "Seach all posts" checkbox, how to?

  - by benoror

  Hi, I have set up my routes so I can search all posts with: /posts/search/foobar or search inside a category /posts/category/1/search/foobar It works pretty well, when someone is browsing an specific category it does search just posts that belongs to that category. When inside a category, I want to place a checkbox to "Search all the posts" My search form: <% form_for :posts, :url => {:controller => :posts, :action => :index} do |f| %> Search: <%= f.text_field :search %> <% if params[:cat] %> <%= f.check_box :ignore_cat, '1', false %> Search all the posts? <% end %> <%= f.submit 'Go' %> <% end %> How can I force to change the route?

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• Jenkins plugin for different types of slaves

  - by user1195996

  We have some tests that need to be run on multiple types of specific hardware. Its possible that these tests might pass on some pieces of hardware but fail on others, and we want to know where they work and where they fail. So, for certain tests, we would like to provide a list of hardware they need to be tested on. We'd like to put all the needed hardware in a pool that Jenkins has access to, and then have Jenkins run the right tests on the right hardware, depending on the hardware list that comes with the test. And of course we'd like to keep track of which test worked where. Is there a plugin for Jenkins to be able to handle this sort of thing? Has anyone else solved this sort of problem?

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• Google SpreadSheets - When using a time trigger in code, some cells getting '#N/A' value

  - by Robi

  I've created a Google spreadsheet with imported data on one cell, extracting specific string to another cell and pasting the data in a table with a trigger for every 2 hours. Now everything works perfectly when running the script manually but when logged out and waiting for the cells to fill, sometimes the pasted cell getting "#N/A" value. Here is the code I'm using: function PasteV(){ var ss = SpreadsheetApp.getActiveSpreadsheet(); var sheet = ss.getSheets()[0]; var timestamp= sheet.getRange("D1").getValue(); var sale= sheet.getRange("G1").getValue(); var rent= sheet.getRange("J1").getValue(); sheet.appendRow([timestamp, rent, sale]); } Again when running manually countless times - no problem. I'll appreciate your help. Thanks.

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• Did test server port change in Rails 2.3?

  - by kareem

  I upgraded rails to 2.3.2 from 2.1.1 yesterday and a bunch of my tests started failing. When I was running under 2.1.1, the test server was running on port 3000 so I had a HOST_DOMAIN variable that included the port - HOST_DOMAIN = "localhost.tst:3000". This is so my assert_redirected_to's would succeed. Now, however, it seems that the test server is running on port 80, so the port in HOST_DOMAIN is causing tests to fail. There's no specific reason I'm keeping the port in HOST_DOMAIN. I more want to know whether something in Rails 2.3 changed the port the test server runs on and where I can read more about why. I've searched a ton and can't find anything, so I'm going to my go-to place to ask development questions :) Thanks in advance.

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• Weird Scrolling Issue Using UITableView

  - by Scott Elder

  I am a working UINavigationController pushing two different UITableViews on and off the stack. All of my functionality is working correctly except scrolling. When either table is scrolled above the top row, or below the bottom row, it stays there exposing the margin above/below the table. I am looking for the table to "bounce" back so that only the table is visible and not the white space area beyond - just like any other iPhone app. One of my UITableViews is being loaded by NIB and the other is being created programatically - both of which have the exact same result. I have tried all the bounce and scrolling settings in the Nib, but nothing seems to work. Can someone tell me what I am doing wrong? Please let me know if I can be more specific in detailing my problem. Thanks, -Scott

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• CodeIgniter - How to hide index.php from the URL

  - by kapil.israni

  This is what my .htaccess looks like. The .htaccess is sitting in /www/scripts directory which is the parent of codeigniter's "system" directory and which also contains index.php. I have enabled mod_rewrite in my Apache 2.2.x. This is on Ubuntu 9.10 server. I followed this link, but it does not work. Is there anything i need to do in apache2, any specific configuration so that this works?? RewriteEngine on RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php/$1 [QSA,L]

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• Seeking References To MSVC 9.0's C++ Standards Compliance

  - by John Dibling

  I "know" (hopefully) that MSVC 9.0 Implements C++ 2003 (ISO/IEC 14882:2003). I am looking for a reference to this fact, and I am also looking for any research that has been done in to how compliant MSVC 9.0 is with that version of the Standard. I have searched for and not been able to find a specific reference from MicroSoft that actually says something to the effect that MSVC implements C++ 2003. Some of the out-of-date documentation says things like "this release achieves roughly 98% compliance" (when referring to MSVC .NET 2003's conformance to C++ 1997). But I want a link to a document from MS that says "MSVC 9.0 implements blah," and another link to an independent group that has tested the conformance of MSVC 9.0. Do you know of any such links?

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• Providing localized error messages for non-attributed model validation in ASP.Net MVC 2?

  - by Lance McNearney

  I'm using the DataAnnotations attributes along with ASP.Net MVC 2 to provide model validation for my ViewModels: public class ExamplePersonViewModel { [Required(ErrorMessageResourceName = "Required", ErrorMessageResourceType = typeof(Resources.Validation))] [StringLength(128, ErrorMessageResourceName = "StringLength", ErrorMessageResourceType = typeof(Resources.Validation))] [DataType(DataType.Text)] public string Name { get; set; } [Required(ErrorMessageResourceName = "Required", ErrorMessageResourceType = typeof(Resources.Validation))] [DataType(DataType.Text)] public int Age { get; set; } } This seems to work as expected (although it's very verbose). The problem I have is that there are behind-the-scenes model validations being performed that are not tied to any specific attribute. An example of this in the above model is that the Age property needs to be an int. If you try to enter a non-integer value on the form, it will error with the following (non-localized) message: The field Age must be a number. How can these non-attribute validation messages be localized? Is there a full list of these messages available so I can make sure they are all localized?

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• Static Access To Multiple Instance Variable

  - by Qua

  I have a singleton instance that is referenced throughout the project which works like a charm. It saves me the trouble from having to pass around an instance of the object to every little class in the project. However, now I need to manage multiple instances of the previous setup, which means that the singleton pattern breaks since each instance would need it's own singleton instance. What options are there to still maintain static access to the singleton? To be more specific, we have our game engine and several components and plugins reference the engine through a static property. Now our server needs to host multiple game instances each having their own engine, which means that on the server side the singleton pattern breaks. I'm trying to avoid all the classes having the engine in the constructor.

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• Quartz2d vector images vs OpenGL vector description?

  - by tbarbe

  How big of a difference is the description language of Quartz2d to OpenGL ES? It seems they are similar in description power... except that Quartz is mostly 2d and that OpenGL is out of the box 3d ( but can be made 2d focused ). Are the mappings from 2dQuartz to 2d OpenGL ES that different? Im sure there must be differences in some specific features that might be handled differently on one vs another... but to do a translator? Anyone have experience with both OpenGL and Quartz2d have some insights?

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• What is the point in using a "real" database modeling tool?

  - by cdeszaq

  We currently have a 10 year old nasty, spaghetti-code-style SQL Server database that we are soon looking to pretty much re-write from scratch as part of a re-write to a large web application. (The existing application will serve as the functional requirements for the next incarnation of the app). Some have suggested we use Visio to do all the diagramming and to generate the DDL, but others have suggested we use a dedicated database design tool, rather than a diagramming tool that is able to export DDL. Is there any benefit to using "real" DB design tools, such as ModelRight, over general tools like Visio? If so, what are those specific benefits? Edit: In a nutshell, what can real/dedicated tools do that something like Visio can't, and how much do these capabilities matter (from a best-practices standpoint, for example)

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• Huge file in Clojure and Java heap space error

  - by trzewiczek

  I posted before on a huge XML file - it's a 287GB XML with Wikipedia dump I want ot put into CSV file (revisions authors and timestamps). I managed to do that till some point. Before I got the StackOverflow Error, but now after solving the first problem I get: java.lang.OutOfMemoryError: Java heap space error. My code (partly taken from Justin Kramer answer) looks like that: (defn process-pages [page] (let [title (article-title page) revisions (filter #(= :revision (:tag %)) (:content page))] (for [revision revisions] (let [user (revision-user revision) time (revision-timestamp revision)] (spit "files/data.csv" (str "\"" time "\";\"" user "\";\"" title "\"\n" ) :append true))))) (defn open-file [file-name] (let [rdr (BufferedReader. (FileReader. file-name))] (->> (:content (data.xml/parse rdr :coalescing false)) (filter #(= :page (:tag %))) (map process-pages)))) I don't show article-title, revision-user and revision-title functions, because they just simply take data from a specific place in the page or revision hash. Anyone could help me with this - I'm really new in Clojure and don't get the problem.

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• Jquery UI accordion question - how would you approach this?

  - by E.J. Brennan

  I am using jquery UI accordion control in one of my apps asp.net apps. The data for the accordion comes from a database, and each database record has an ID, a Title Field and a content field. The title is the heading, and the content is the data that shows up when the draw is opened... I'd like to be able to call my page like this: http://www.mywebsite.com/mypage.aspx?ID=123 and have it display all the data (as it does now), but then have the default 'drawer' of the accordion open to the section that corresponds to the ID number passed in on the url...there are about 50 sections on the page. Any suggestions on how to approach this? My questions is specific to the jquery accordion function, the rest I know. So where would be the best place to 'tag' the drawer with the unique ID's, and then what is the snippet of javascript code (I assume) that I would use 'open' that drawer based on the ID passed in?? Thanks!

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• What is a TFS Agile Issue?

  - by Jaxidian

  With TFS2010 using the "MSF for Agile Software Development v5" process template, I'm having some difficulty in understanding exactly what an Issue is. The most specific documentation I've been able to find is this. Is an Issue a higher-level item for which we will probably generate a Bug for after some investigation in code/requirements? Or is an Issue something different than a Bug because it has not actually a mistake in code but is more of a critical oversight in design (for example, there was never an attempt to create a datepicker for all date fields and this is a UX issue but not really a bug) and therefore a change request of sorts? Or is it something different?

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• RSA Encrypt in PHP to decrypt in .NET

  - by user312904

  In PHP I am RSA encrypting a message to be decrypted by .NET application... but I keep getting a "Bad Key" exception from .NET.... For RSA encryption, I am using PEAR class Crypt_RSA- encrypting with the public key (which is a modulus, exponent pair) I get from working encryption system in .NET... I guess the easiest question would be- does "Bad Key" mean it is not able to decrypt the message whatsoever? IE, it is not encrypted correctly? The harder question is- Is there anything specific about RSA encryption that causes quirks between .NET and PHP?

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• Math for a geodesic sphere

  - by Marcelo Cantos

  I'm trying to create a very specific geodesic tessellation, but I can't find anything online about it. It is normal to subdivide the triangles of an icosahedron into triangle patches and project them onto the sphere. However, I noticed an animated GIF on the Wikipedia entry for Geodesic Domes that appears not to follow this scheme. Geodesic spheres generally comprise a mixture of mostly hexagonal triangle patches, with pentagonal patches forming at the vertices of the original icosahedron; in most cases, these pentagons are linked together; that is, following a straight edge from the center of one pentagon leads to the center of another pentagon. In the Wikipedia animation, however, the edge from the center of one pentagon doesn't appear to intersect the center of an adjacent pentagons; instead it intersects the side of the other pentagon. Hopefully the drawing below makes this clear: Where can I go to learn about the math behind this particular geometry? Ideally, I'd like to know of an algorithm for generating such tessellations.

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• Is an IQueryable a query or just an object which can be queried?

  - by Albic

  I'm kinda confused what the IQueryable interface actually represents. The MSDN documentation for IQueryable says: "Provides functionality to evaluate queries against a specific data source." The documentation for IQueryProvider says: "Defines methods to create and execute queries that are described by an IQueryable object." The name and the documentation summary suggest that it is an object/data store which can be queried. The second quote and the fact the ObjectQuery class from the Entity Framework implements IQueryable suggest it is a query which can be executed. Did I misunderstood something or is it really kinda fuzzy?

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• named_scope or find_by_sql?

  - by keruilin

  I have three models: User Award Trophy The associations are: User has many awards Trophy has many awards Award belongs to user Award belongs to trophy User has many trophies through awards Therefore, user_id is a fk in awards, and trophy_id is a fk in awards. In the Trophy model, which is an STI model, there's a trophy_type column. I want to return a list of users who have been awarded a specific trophy -- (trophy_type = 'GoldTrophy'). Users can be awarded the same trophy more than once. (I don't want distinct results.) Can I use a named_scope? How about chaining them? Or do I need to use find_by_sql? Either way, how would I code it?

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• Transform data in FMPXMLRESULT grammar into a "Content Standard for Digital Geospatial Metadata (CS

  - by Andrew Igbo

  I have a problem in FileMaker; I wish to link the METADATA element/FIELD element “NAME” attribute to its corresponding data in the RESULTSET element/COL element. However, I also wish to map the METADATA element/FIELD element “NAME” to "Content Standard for Digital Geospatial Metadata (CSDGM)" metadata elements Sample XML Metadata Record with CSDGM Essential Elements Louisiana State University Coastal Studies Institute 20010907 Geomorphology and Processes of Land Loss in Coastal Louisiana, 1932 – 1990 A raster GIS file that identifies the land loss process and geomorphology associated with each 12.5 meter pixel of land loss between 1932 and 1990. Land loss processes are organized into a hierarchical classification system that includes subclasses for erosion, submergence, direct removal, and undetermined. Land loss geomorphology is organized into a hierarchical classification system that includes subclasses for both shoreline and interior loss. The objective of the study was to determine the land loss geomorphologies associated with specific processes of land loss in coastal Louisiana.

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• Rabbitmq queue sharding

  - by kolchanov

  I have to implement this scenario: An external application publish message to rabbitmq. This message has a client_id property. We can place this id to routing key or message header or some other property. I have to implement sharding in a exchange routng logic - the message should be delivered to specific queue based on the client_id range. Is it possible to implement in a standard exchanges? If not what exchange should I take as the base? How to dynamicly change client_id ranges?

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