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• Cannot open xls file in IE

  - by Vladimir Bezugliy

  We have JSF web application that generates XLS file and gives user link to thes file. All works fine if access this file via HTTP. But IE(8) cannot open/save this xls file via HTTPS. There is following error message: Internet Explorer cannot download ...466088C5C313F92808BDB0AFF3447 from testhost. Internet Explorer was not able to open this Internet site. The requested site is either unavailable or cannot be found. Please try again later. I can open the same document via HTTPS in Firefox and in Chrome. What can be the problem with IE? Headers: HTTP/1.1 200 OK Date: Fri, 18 Jun 2010 14:45:42 GMT Server: Apache-Coyote/1.1 X-Powered-By: Servlet 2.5; JBoss-5.0/JBossWeb-2.1 X-UA-Compatible: IE=EmulateIE7 Last-Modified: Fri, 18 Jun 2010 14:45:11 GMT Cache-control: max-age=0, no-store, no-cache Pragma: no-cache Expires: 0 Content-Type: application/vnd.ms-excel Content-Length: 6656 Keep-Alive: timeout=5, max=100 Connection: Keep-Alive

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• Cygwin socket & thread & other programming issues (some question about Cygwin)

  - by SjB

  I have some question about cygwin : Can I use Cygwin develop socket based code? Does Cygwin have read() and write() functions that work with file descriptors? Can I use Pthread library in Cygwin? Does code that compiles in Cygwin also compile in Linux without any change or with little change? Will an executable file that built by Cygwin run in Linux ? Why does Cygwin not need the linker option -lpthread when I use pthread library? why in #include <iostream> don't I need to use using namespace std; ? Can I work with QT in Cygwin? If so, How?

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• Entity framework createquery question.

  - by Tony Heflin

  I am trying to create a generic search form to use in an EF app. I want to be ably to specify the entity to query at runtime below is a simplified version of the code. cx is the contect object, valuelists is the entity in question. 1: Dim q As String = "select c from intactentities.valuelists as c" 2: Dim x = cx.CreateQuery(Of ValueLists)(q) 3: TextBox1.Text = x.Count This works but I need to remove the hardcoded reference to valuelists in line 3. I expect I am overlooking something simple can anyone suggest a simple solution? Thanks Tony

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• a question on using Microsoft Excel to do data analysis

  - by Gemma

  Hello everyone there, Me and my mates have been given an Excel spreasheet,which contains the data of the Census report. The column here corresponds to "Year" (from 2000-2010),the row means "City/Town",the cell is simply the population of a town at a particular year. We are up to doing some analysis like “what town had its first population gain in 10 years?” etc.My question is just about can we do this in Excel,or do we need to export the data to other database(SQL) then do the programming? Thanks in advance.

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• Good projects to learn OCaml and F#

  - by Yin Zhu

  After learning the basic syntax, reading some non-trivial code is a fast way to learn a language. We can also learn how to design a library/software during reading others' code. I have following lists. A Chess program in OCaml by Tomek Czajka. Hal Daumé has written several machine learning libraries in Ocaml. Including decision trees, logistic regression and SVM. All of them are near-production-quality code. A Chess Game Analysis program in F# in Microsoft Research. The above three are my favorites. Will you suggest some other sources? General purpose open source software are good, specialized open source like the three I list here are even more welcome.

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• Visual Studio Add-in to view open files

  - by pfunk

  I frequently have 10 or more files open in Visual Studio at one time. I am looking for an add-in that will duplicate the functionality of the "Windows" Window, but in a NON-Modal, dockable type window. In other words a window with a list of the files open in the IDE, that I can dock next to the Solution explorer or something, and just click on to switch to that open file (if anyone has ever used Textpad, the Document Selector is exactly what I am talking about). Anyone seen an Add-in like that? Note: I am NOT talking about another Window Layout manager

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• Django URL regex question

  - by shawnjan

  Hey all! I had a quick question about Django URL configuration, and I guess REGEX as well. I have a small configuration application that takes in environments and artifacts in the following way: url(r'^env/(?P<env>\w+)/artifact/(?P<artifact>\w+)/$', 'config.views.ipview', name="bothlist"), Now, this works fine, but what I would like to do is have it be able to have additional parameters that are optional, such as a verbose mode or no formating mode. I know how to do this just fine in the views, but I can't wrap my head around the regex. the call would be something like GET /env/<env>/artifact/<artifact>/<opt:verbose>/<opt:noformat> Any help would be appreciated, thanks! -Shawn

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• Excel and Tab Delimited Files Question

  - by OneNerd

  I am encountering what I believe to be a strange issue with Excel (in this case, Excel 2007, but maybe also Excel 2003, but don't have access to it as I write this). I can reliably convert some server data over into a tab-delimited format (been doing this for years) and then open it using Excel - no issue. However, what seems to be happening is if I have an html <table inside one of the fields, it looks like Excel 2007 thinks it should be converting the table into rows and columns inside Excel (not what I want). As you might imagine, this throws off the entire spreadsheet. So question is, is there any way to set up excel to NOT do this (perhaps some setting in Excel that pertains to reading tab delimited files), or am I missing something? Thanks.

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• SQL Where question

  - by needshelp

  Hi all, I have a question about case statements and nulls in a where clause. I want to do the following: Declare @someVar int = null select column1 from TestTable t where t = case when @someVar is not null then @someVar else t end Here is the problem: Let's say @someVar is null. Let's also say that column1 from TestTable t has NULL column values. Then, my condition t = t in the case statement will always evaluate to false. I basically just want to be able to conditionally filter the column based on the value of @someVar if it's provided. Any help?

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• algorithm analysis - orders of growth question

  - by cchampion

  I'm studing orders of growth "big oh", "big omega", and "big theta". Since I can't type the little symbols for these I will denote them as follows: ORDER = big oh OMEGA = big omega THETA = big theta For example I'll say n = ORDER(n^2) to mean that the function n is in the order of n^2 (n grows at most as fast n^2). Ok for the most part I understand these: n = ORDER(n^2) //n grows at most as fast as n^2 n^2 = OMEGA(n) //n^2 grows atleast as fast as n 8n^2 + 1000 = THETA(n^2) //same order of growth Ok here comes the example that confuses me: what is n(n+1) vs n^2 I realize that n(n+1) = n^2 + n; I would say it has the same order of growth as n^2; therefore I would say n(n+1) = THETA(n^2) but my question is, would it also be correct to say: n(n+1) = ORDER(n^2) please help because this is confusing to me. thanks.

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• Question regarding Manifest in Java jar file

  - by Tara Singh

  Hi All, Is is mandatory to have classpath inside a Manifest file inside the java jar file? can we do work without having the classpath inside it? The reason why I am asking this is because I have a jar file for a server application. When I tried to connect many connections with Server, Server went down and the error was "Too many open files", when searched about it, I found one Sun Bug http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6446657 . Then I checked and i was having a classpath entry in the Jar file. So this question arises. Thanks, Tara Singh

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• Efficiency Question for an Ajax App

  - by Kubi

  Hi, Currently I am dealing with a web application which uses a txt file as a database for testing for now. But we will connect it to a server later on. My question is, if there is a more efficient way to get my objects than the way I am using now. During the page_init I am getting all my objects into a Collection as List, then I am populating the ajax toolkit accordion objects in the page with that. I have some client side buttons which fires callbacks for getting some other objects to populate the accordions in an update panel. And I am using .net Collections too much like dictionary and list, I am wondering if using arrays is more efficient. Could you advise me about how to make this site better and faster ? Is it better or possible to initialize those TravelP objects in javascript at the beginning and use it like that ? Any comments would be greatly appreciated, Thanks

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• Naming conventions and field naming question for CakePHP

  - by jphenow

  Okay so two questions very related: 1) Does following the naming convention for classes, controllers, database fields, etc. affect the framework's ability to work the way it was intended? (I'm a little new to working with a framework from the beginning of app development) 2) This question is more important if 1 is a yes. Say I have a table, A, that has 2 foreign keys pointing at the same table, B, but different entries (they're like edges of a graph that point at two vertices) how would I follow the naming convention of their database fields? All I can think to do is something like vertex_1_id and vertex_2_id but I don't know how the framework would handle that if the naming conventions are necessary for its functioning correctly.

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• .Net MEF newbie question

  - by steve.macdonald

  I am missing something basic when it comes to using MEF. I got it working using samples and a simple console app where everything is in the same assembly. Then I put some imports and exports in a separate project which contains various entities. I want to use these entities in an MS Test, but the composition is never actually done. When I move the composition stuff into the constructor of an entity in question it works, but that's obviously wrong. Does GetExecutingAssembly only "see" the test process? What am I missing re containers? I tried putting the container in a Using in the test without luck. The MEF docs are still very scant and I can't find a simple example of an application (or MS Test) which uses entities from a different project...

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• image analysis question for matlab

  - by raekwon

  Hi, I asked a similar question but wasn't quite clear before. I am trying to put a blue or an orange or some other colored circle (more like a donut) around a feature in an image so that I can track it. It should be more like a donut so that I can still view the image... Anyway, I have a multidimensional array and then extract 2D submatrices out of it and plot each one using imagesc(subarray). For all the subarrays there are multiple features that I've located and want to track. Is it possible in Matlab to put a donut/circle around them to do that? How would you do that?

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• MySQL installation question.

  - by srtriage

  I am far from a DBA and have a question. Recently I installed MySQL. On my machine C:\ is a 50GB partition of two mirrored 10k SAS drives. The remaining space on those drives is allocated to D:. I also have a SSD mounted as E:. When I installed MySQL, I installed it to E:\ assuming that that is where the database information would be held since I had installed it there. I am now seeing C:\ProgramData\MySQL\MySQL Server 5.1\data\peq, peq being the name of my main database. Is my database being stored in C:\ and if so, how do I fix it to store the DB on the SSD?

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• Django foreign key question

  - by Hulk

  All, i have the following model defined, class header(models.Model): title = models.CharField(max_length = 255) created_by = models.CharField(max_length = 255) def __unicode__(self): return self.id() class criteria(models.Model): details = models.CharField(max_length = 255) headerid = models.ForeignKey(header) def __unicode__(self): return self.id() class options(models.Model): opt_details = models.CharField(max_length = 255) headerid = models.ForeignKey(header) def __unicode__(self): return self.id() AND IN MY VIEWS I HAVE p= header(title=name,created_by=id) p.save() Now the data will be saved to header table .My question is that for this id generated in header table how will save the data to criteria and options table..Please let me know.. Thanks..

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• git checkout master/branching question

  - by danwoods

  Hello all, I 'm relatively new to git and and having some problems early on. I've made several commits, but when I try to push them I get a response that says everything is up-to-date. I feel like my problem is the same on listed in this question, but it recommends the following: $ git log -1 # note the SHA-1 of latest commit $ git checkout master # reset your branch head to your previously detached commit $ git reset --hard <commit-id> What exactly will "checking out the master" do? I just don't want to lose the changes I've made... screenshot of gitk:

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• file_get_contents() returns "failed to open stream" when used with Facebook access_token flow

  - by TMC

  file_get_contents() is returning "failed to open stream" when I call it on a Facebook oAuth access_token URL. Warning: file_get_contents(https://graph.facebook.com/oauth/access_token?client_id=XXXXX&redirect_uri=http://mydomain.com/fb/callback3.php&client_secret=xxxx&code=YYYY) [function.file-get-contents]: failed to open stream: No error in E:\\htdocs\fb\callback3.php on line 5 (I have removed ClientID, clientSecret and the oAuth Code). If I try to manually hit the Facebook access_token URL that my code is attempting to fetch, I get an actual payload returned in the browser: access_token=XYZ&expires=6508 (where XYZ is the access token) So for some reason, there is a problem with the access_token URL specifically when used with file_get_contents(). At first, I thought it was a security issue with my webhoster, but I have verified with phpinfo() that allow url open is indeed allowed. I have also tried this code and verified it works: $foo = file_get_contents('http://google.com'); echo $foo Anyone have any ideas why file_get_contents() is failing with the Facebook access_token URL?

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• Cost of using ASP.NET

  - by Mackristo

  One thing that I keep hearing in reference to ASP.NET and MSFT technologies is that they cost money to use. Often when they are being compared to open source languages someone will mention that one factor in favor of open source is that it's free (to an extent). My question is, when does ASP.NET actually cost money to use in terms of using the proprietary technology? Understandably there are the hosting fees, but I'm curious about the fees outside of these hosting fees. I'm especially curious about this as it relates one-person smaller-site development (non-team/large enterprise). Any help is appreciated. (edits) Some excellent answers. Much appreciated The projects that I'm looking to use the technologies for would be personal sites and very small business sites (1 or 2). The intent would of course be that these projects get much bigger. It seems that for commercial production, fees will apply. What about just basic dynamic "shared hosting" sites that provide information?

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• how to open Excel sheet with full access in c#

  - by Lalit

  open Excel sheet with full privileged in c#. it is not allowing me to read. asking for uname and pwd when i deploye my c# application in iis. i have write this code for open Excel : please review Excel.ApplicationClass app = new Excel.ApplicationClass(); Excel.Workbook workbook = app.Workbooks.Open( strSheetPath, 0, true, 5, "", "", true, Excel.XlPlatform.xlWindows, "\t", false, false, 0, true, 1, 0 ); Excel.Worksheet worksheet = (Excel.Worksheet)workbook.ActiveSheet; Excel.Range rng = null; Excel.CellFormat format; rng = worksheet.get_Range("A2", Missing.Value); rng = rng.get_End(Excel.XlDirection.xlToRight); rng = rng.get_End(Excel.XlDirection.xlDown);

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• Hiring *good* Mobile Developers in/to Korea - overseas hiring question

  - by Jason

  Hello everyone. My question is regarding the best way to find a good mobile developer in Korea, or in another country to bring to Korea. Our company is growing fast and we need some quality mobile developers to start getting our system onto mobile. The problem is, however, that in Korea, their are very few mobile developers (currently) and their pay is extremely expensive. We have looked into India and other SE Asian countries and have concluded that bringing in a developer from another country may be the best choice. However, I am worried about how to find developers that are motivated by passion/creativity instead of getting a paycheck, and am also worried about what country may provide the higher quality worker. To clarify, we would bring in these workers from their country to Korea, and help them get settled here and working in our office. Has anyone had any experience doing this sort of thing in America/Korea/another country? Thank you very much for your replies.

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• window.open function in HREF TAG not working

  - by Rahul

  Hi All, I am trying to open popup using window.open finction but somehow it's not working ... well below is the code string properties = "left=250px, top=245px, width=700px, height=450px,scrollbars=yes, status=yes, resizable=yes"; TableCell cell = new TableCell(); cell.Text = "<a href=\"javascript:void(window.open('details.aspx?node="+node+"','"+properties+"'))\">" + "View Details</a>"; But his is not working. While clicking the anchor tag getting javascript error "Invalid argument". Please tell where am I going wrong? Thanks, Rahul

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• AppleScript to open URL in Safari crashes for Flash-based websites

  - by Mark

  I'm trying to open a URL in Safari. It works fine for websites without Flash embedded, but crashes Safari for Flash sites. Example (this WORKS): tell application "Safari" to open location "http://google.com" This CRASHES when Safari is not already running: tell application "Safari" to open location "http://grooveshark.com" Two things I noticed: Safari only crashes for websites with embedded Flash The script above only crashes if a new instance of Safari is created (i.e. Safari was not running before) From the second observation I assume that it could be a permission issue of some sort. Maybe the Safari instance launched from the AppleScript has a problem loading plugins?

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• Spring Webflow in Grails keeping plenty of hibernate sessions open

  - by Pavel P

  Hi, I have an Internet app running on Grails 1.1.2 and it integrates Spring WebFlow mechanism. The problem is that there are some bots ignoring robots.txt and are entering the flow quite often. Because second step of the flow needs some human intelligence, the bot leaves open flow after the first step. This causes a lot of open flows which leades to a lot of abandoned open hibernate sessions. Do you know some common clean-up mechanism for this kind of unattended flows (plus hibernate sessions) in Grails+Spring WebFlow? Thanks, Pavel

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