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• I don't seem to have an ASPNET user account running on my machine.

  - by pkiyan

  Hi: I'm reading up on ASP.NET, and just came to a chapter that explains how to upload a file to your website. It says that in order to save a file to your file system, in the case of every OS except Win Server '03, an ASP.NET page executes in the security context of the ASPNET account. I don't have an ASPNET account running on my machine (win xp pro sp3; .NET 3.5). The program runs fine, by the way, I'm just trying to understand what an ASPNET account is exactly, and why it doesn't seem to show up on my list of user accounts. Thanks.

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• Proper permission and directoy location for Git Version Control

  - by CitadelCSAlum

  I am using Git Version Control on an remote server and I have set up a repository that multiple people will be using to push/fetch from. I have put the repo under /srv/subdir/git/.git I have been experiencing problem after problem it seems like. a) Is this location suitable for handling a project that will need to be accessed/modified by multiple developers and a designer? Or is there a better location? b)Do I need to modify the permissions on the subdir/ and git/ directories in order to allow remote access? If I do what is the appropriate permissions I should allow? I know this is a faily long request/question, but unfortunately like many other topics with well covered documentation, documentation does not always cover best practices. I would appreciate anybodies advice and suggestions? Thanks

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• Stable separation for two classes of elements in an array

  - by AndreyT

  Consider the following problem. We are given an array of elements belonging to one two classes: either red or blue. We have to rearrange the elements of the array so that all blue elements come first (and all red elements follow). The rearrangement must be done is stable fashion, meaning that the relative order of blue elements must be preserved (same for red ones). Is there a clever algorithm that would perform the above rearrangement in-place? A non-in place solution is, of course, straightforward. An obvious in-place solution would be to apply any stable sorting algorithm to the array. However, using a full-fledged sorting algorithm on an array intuitively feels like an overkill, especially taking into account the fact that we are only dealing with two classes of elements. Any ideas greatly appreciated.

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• Javascript eval limits

  - by user117701

  Is there a limit to javascript's eval, like in lenght? I'm trying to build an app where you can store JS code in the DB, which you can later load and eval in order to execute it, but i'm reaching a limit. First of all, the code has to all be in one line. Any multiline statements are not executed. Next, i'm reaching a limit in length (i guess). If i execute the code manually, it works, but put that same code in the db, load it via ajax, and try to execute it, and it fails. Any ideas why?

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• Database triggers / referential integrity and in-memory caching

  - by Ran Biron

  Do you see database triggers / referential integrity rules being used in a way that changes actual data in the database (changing row w in table x causes a change in row y in table z)? If yes, How does this tie-in with the increasing popularity of in-memory caching (memcache and friends)? After all, these actions occur inside the database but the caching system must be aware of them in order to reflect to correct state (or at least invalidate the possibly changed state). I find it hard to believe that callbacks are implemented for such cases. Does anyone have real-world experience with such a setup / real-world experience with considering such a setup and abandoning it (which way did you go? if caching, how do you enforce integrity?)

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• ArgumentException was unhandled Application.run

  - by user369758

  Hi I've been through many sites and can't seem to find an answer. I modified a view that was connected to a Datagridview connected through a tableadapter on a C# Winforms app and in order to "reconnect" I had to delete the tableadapter and reconnect it. This was to get rid of an error regarding Unique contstraints. So I fixed that and now the application launches but when I click on the tab that that grid is on I get: System.ArgumentException was unhandled Message="Cannot bind to the property or column Id on the DataSource.\r\nParameter name: dataMember" Source="System.Windows.Forms" ParamName="dataMember" StackTrace: at System.Windows.Forms.BindToObject.CheckBinding() at System.Windows.Forms.BindToObject.SetBindingManagerBase(BindingManagerBase lManager)......... I can't seem to find an answer to this problem. Can someone help me? Thanks

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• Deny http access to a directory, allow access from WordPress plugin

  - by luke

  Hey. I need to prevent direct access to http://www.site.com/wp-content/uploads/folder/something.pdf through the browser. However the Download Monitor plugin I am using, which allows logged in users to download the file, needs to be able to work. Trying Order Allow,Deny Deny from all Allow from all but the download links do not now work... even though (I think) they are links produced by the script e.g. http://www.site.com/wp-content/plugins/download-monitor/download.php?id=something.pdf Enter that in the address bar and you correctly get a WordPress message, 'You must be logged in to download this file.' However, if someone knows the URL where the file was uploaded http://www.site.com/wp-content/uploads/folder/something.pdf they can still access it directly. I don't know how (guesswork?) they would find the direct URL anyway, but the client wants it stopped! Thanks for any help.

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• What's a good way to throw and handle events in PHP?

  - by techexpert

  Hi everyone, I am just trying to get a general idea about the event prcessing mechanism in PHP5 in as neat way as possible. First of all I understand that a PHP application is not exactly a persistent type, so the events may not make a lot of sense, but from the OO perspective it might be a very elegant way to "communicate" between the objects. So I am thinking that it would make sense to separate the events on the external events, such as $_POST & $_GET and the internal ones, i.e. function callbacks. As far as the external ones, is it a good idea to process the $_GETs and $_POSTs directly, or is it better to wrap them into an event of some sort? Also, in order to process the internal events, do you have to pass the reference to the event handler/dispatcher to each class so they know how to throw them? I was thinking to use the PEAR EventDispatcher to do the work, but I am open to other suggestions. Thank you!

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• How do I use Declarations (type, inline, optimize) in Scheme?

  - by kunjaan

  How do I declare the types of the parameters in order to circumvent type checking? How do I optimize the speed to tell the compiler to run the function as fast as possible like (optimize speed (safety 0))? How do I make an inline function in Scheme? How do I use an unboxed representation of a data object? And finally are any of these important or necessary? Can I depend on my compiler to make these optimizations? thanks, kunjaan.

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• Storing XML in SQL 2005 XMLNS issue

  - by Mike Mengell

  I'm trying to store XML in SQL 2005. I have a very simple table with an Id and a XML column. When the XML contains the attribute xmlns my searching doesn't work. This is my XML; insert into XMLTest (ItemXML) values ( '<MessageType> <ItemId id="ABC" xmlns="ss" /> <Subject>sub</Subject> </MessageType> ') And this is my Query; select itemid, ItemXML.query('(/MessageType/ItemId)') from XMLTest order by ItemId desc If I change the attribute xmlns to anything else my query works. I don't think I know enough about XML to understand what SQL is doing with the namespace. But it must be processing it and storing it differently maybe? Anyone had this issue?

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• Track someone's GitHub repo in a branch

  - by drhorrible

  I'm pretty new to Git, and like it a lot so far, but am not sure what do do here. I've forked a github project, and am currently in the process of porting it to another language. For reference, I've created a branch of the code as it was when I made the fork. My problem now is that the original project has been updated, and I can't figure out how to pull those changes into my branch from the original master (because 'origin' points to my github project). Follow-up question for my own education, what command will the owner of the original project have to run in order to pull a change in from my branch into his master branch?

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• CSS Selector Issue

  - by YsoL8

  Hello html body .home blog logged-in div #wrapper div #page div .cats I have a problem with selecting unordered lists (i.e ul li.class-name class-name-number) at the above dom location in CSS. I am working with a wordpress theme. Basically could I have suggestions for the correct selector to use in order to influence this tag? I can provide a simplified html structure if it will help. I've tried a number of selectors along the lines of: (sometimes)#page (# or .)cats (sometimes)ul li(sometimes with class name) EDIT: I've tried the selectors suggested in the wordpress docs. Thanks!

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• AS3: resizing as a result of an eventListener

  - by Jaimie

  Hi everyone, I have coded a map that when a province object is clicked on, it should move to the center of the screen and grow a percentage of the width, along with displaying a number of different things. The problem is that in order for the image to resize it needs to be clicked on twice. It moves, and all of the children display just as they were designed to do, but the resize doesn't work on the first try. Any ideas how to fix this problem? ... menuItem4_mc.addEventListener(MouseEvent.CLICK, onClick); ... public function onClick(mc:MouseEvent):void { menuItem4_mc.width = width * .65; menuItem4_mc.height = height * .7; //brings Ontario To the front of the stage setChildIndex(menuItem4_mc,numChildren - 1); menuItem4_mc.x= 670/2; menuItem4_mc.y= 480/2; ... } Thank you!

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• coldfusion class path for multiple services - only recognizing first directory

  - by ffc

  Hi, I am trying to use multiple web services on a single CF page. I have entered the stubs directory for each of the web services in the ColdFusion Class Path within administrator server settings java and jvm paths are listed separated by commas: c:\coldfusion9\stubs\ws1,c:\coldfusion9\stubs\ws2 for some reason, only the web service whose stub path is listed first will work. When I try to call the second web service, I get a "web service operation ... cannot be found" but if i switch the order of paths listed in the admin settings and restart the service, the web service listed first now will work. any ideas on how to manage multiple web services and their stubs ? thanks!

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• SQL query to select distinct record with 2 or more repetition in another field

  - by kyohiros

  So I have this table of book orders, it contains 2 columns, one is the order ID(primary key) and another is the ID of the book that the customer ordered. For example: | OrderID | BookID | | 0001 | B002 | | 0002 | B005 | | 0003 | B002 | | 0004 | B003 | | 0005 | B005 | | 0006 | B002 | | 0007 | B002 | What I want is to get the IDs of the books that got 2 or more purchases/orders, for example if I run the SQL query against the above data, I would get this as the result: | BookID | | B002 | | B005 | I don't know if this can be archived in SQL or I have to built a simpler statement and repetitive run the query against all the records in another language. I need some help and thanks for reading my question.

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• db2 jdbc driver does not release table locks

  - by as

  situation: We have a web service running on tomcat accessing DB2 database on AS400, we are using JTOPEN drivers for JNDI connections handled by tomcat. For handling transactions and access to database we are using Spring. For each select system takes JDBC connection from JNDI (i.e. from connection pool), does selection, and in the end it closes ResultSet, Statement and releases Connection in that order. That passes fine, shared lock on table dissappears. When we want to do update the same way as we did with select (exception on ResultSet object, we don't have one in such situation), after releasing Connection to JNDI lock on table stays. If we put maxIdle=0 for number of connections in JNDI configuration, this problem disappears, but this degrades performances, we have cca 100 users online on that service, we need few connections to be alive in pool. What do you suggest?

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• How to use LINQ to SQL to create ranked search results?

  - by quakkels

  I am looking for a way to use l2s to return ranked result based on keywords. I would like to take a keyword and be able to search the table for that keyword using .contains(). The trick that I haven't been able to figure out is how to get a count of how many times that keyqord appears, and then .OrderByDescending() based on that count. So if i had some thing like: string keyword = "SomeKeyword"; IQueryable<Article> searchResults = from a in GenesisRepository.Article where a.Body.Contains(keyword) select a; What is the best way to order searchResults based on the number of times keyword appears in a.Body? Thanks for any help.

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• Generate a commutative hash based on three sets of numbers?

  - by DarkAmgine

  I need to generate a commutative hash based on three sets of "score" structs. Each score has a "start", an "end" and a "number". Both start and end are usually huge numbers (8-9 digits) but number is just from 1 to 4. I need them to be commutative so the order does not matter. I'm using XOR at the moment but it seems to be giving bad results. Since I'm working with large large datasets, I'd prefer a performance-friendly solution. Any suggestions? Thanks =] public static int getCustomHash(cnvRegion c1, cnvRegion c2, cnvRegion c3) { int part1 = (c1.startLocation * c2.startLocation * c3.startLocation); int part2 = (c1.endLocation * c2.endLocation * c3.endLocation); int part3 = (c1.copyNumber + c2.copyNumber + c3.copyNumber)*23735160; return part1 ^ part2 ^ part3; }

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• Does <T> need to be imported as a class for this to work?

  - by zxc

  In order for this to work, do you have to have an import statement for the T class? private static <T> void invertOrdering(List<T> list) { for (int i = 0; i < list.size() / 2; i++) { int j = list.size() - 1 - i; T item1 = list.get(i); T item2 = list.get(j); list.set(i, item2); list.set(j, item1); } }

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• Reload AJAX data every X minutes/seconds, jQuery

  - by NightMICU

  Hi everyone, I programmed a CMS that has a log of who has recently logged into the system. Presently, this data is fed into a jQuery UI tab via Ajax. I would like to put this information into a sidebar on the main page and load it via AJAX every 30 seconds (or some set period of time). How would I go about doing this? Does the PHP response need to be JSON coded? I am fairly new to AJAX and JSON data. Here is the PHP I am currently using to pull details from the users table- <?php $loginLog = $db->query("SELECT name_f, name_l, DATE_FORMAT(lastLogin, '%a, %b %D, %Y %h:%i %p') AS lastLogin FROM user_control ORDER BY lastLogin ASC LIMIT 10"); while ($recentLogin = $loginLog->fetch()) { echo $recentLogin['name_f'] . " " . $recentLogin['name_l'] . " - " . $recentLogin['lastLogin']; } ?> Thanks!

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• Sympy python circumference

  - by Mattia Villani

  I need to display a circumference. In order to do that I thought I could calculata for a lot of x the two values of y, so I did: import sympy as sy from sympy.abc import x,y f = x**2 + y**2 - 1 a = x - 0.5 sy.solve([f,a],[x,y]) and this is what I get: Traceback (most recent call last): File "<input>", line 1, in <module> File "/usr/lib/python2.7/dist-packages/sympy/solvers/solvers.py", line 484, in solve solution = _solve(f, *symbols, **flags) File "/usr/lib/python2.7/dist-packages/sympy/solvers/solvers.py", line 749, in _solve result = solve_poly_system(polys) File "/usr/lib/python2.7/dist-packages/sympy/solvers/polysys.py", line 40, in solve_poly_system return solve_biquadratic(f, g, opt) File "/usr/lib/python2.7/dist-packages/sympy/solvers/polysys.py", line 48, in solve_biquadratic G = groebner([f, g]) File "/usr/lib/python2.7/dist-packages/sympy/polys/polytools.py", line 5308, i n groebner raise DomainError("can't compute a Groebner basis over %s" % domain) DomainError: can't compute a Groebner basis over RR How can I calculate the y's values ?

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• How can I deal with the ICE60 warning in WiX?

  - by Scott Boettger

  Good Afternoon, I have created a WiX project that installs a bunch of different EXEs and DLLs. Unfortunatly when I build the project I receive the following warning for each one of them: ICE60: The file fileName is not a Font, and its version is not a companion file reference. It should have a language specified in the Language column. I have found examples and possible solutions for this and each time it is suggested to set the DefaultLanguage tag to 0 in order to fix the warning. Once doing that I then get this warning: The DefaultLanguage '0' was used for file 'fileName' which has no language or version. For unversioned files, specifying a value for DefaultLanguage is not neccessary and it will not be used when determining file versions. Remove the DefaultLanguage attribute to eliminate this warning. So this leads me to the question of how can I handle this warning? Thanks in advance for any and all help given.

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• e-commerce product data/metadata schemas

  - by Shreko

  Trying to figure out how is product data/metadata schema designed. For example, how does an e-commerce site enter a product spec. Does it copy and paste from mfg spec sheet, enters it in their own fields or something else? Here is an example, looking at the D3000 Nikon DSLR Manufacturer: http://nikon.ca/en/Product.aspx?m=17300&disp=Specs futureshop.ca: www.futureshop.ca/en-CA/product/nikon-nikon-d3000-10-2mp-dslr-camera-with-18-55mm-lens-kit-d3000/10128435.aspx?path=865c2348a1542e848982c9dbd9253483en02 memoryexpress.com: www.memoryexpress.com/Products/PID-MX25539%28ME%29.aspx They are all slightly different in order or in parent/child field? What's storage is used for this type of info rdbms or xml?

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• Ext.app.application object is erased after initialization

  - by Queequeg

  I am trying to organize an existing extjs code in a more standard order (extjs wise). extjs version: extjs-4.0.2a. I've worked through the Extjs tutorial example and every thing went well. When I started working on the company's code I've notice there is no use of the application object there for I've added the Ext.application({...}); call. Ext.application({ name: 'FOO', appFolder: 'appFolderName', launch: function() { console.log('application was created'); } }); Upon loading the page I see the console.log output that is included in the "launch" function property - meaning the application object is created but when I look for it ("FOO" object) under the "window" object it is not there. Compering to the tutorial code the application object exist as a property of window. I encounter a few loading problems but I'm guessing the source of it all is this issue. What am I doing wrong? thanks.

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• Storing/Quering multiple value in SQLite

  - by chmod

  I'm trying to store a blooming season in month for each tree in SQLite3. Currently I had the field "month" then I store the month name in the field. For example Tree Name Month Tree1 Jan,Feb,Mar Tree2 Nov,Dec,Jan Tree3 Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec Tree4 Mar,Apr,Nov,Dec Tree5 Jan,Feb,Mar,Apr I'm not sure if this is the best way to store it, Any recommendation is appreciate. Secondly, I need to perform a query where I enter in the month and it should return me the tree name that match the search criteria. For example If I search for "Jan" the result should be Tree1,Tree2,Tree3,Tree5 "Jan,Feb,Mar" the result should be Tree1,Tree3,Tree5 "Jan,Feb,Mar,Apr" the result should be Tree5 "Sep,Oct,Nov,Dec" the result should be none Which SQL query do I have to use in order to obtain the above result? Thanks

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