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• iPhone SDK - options when text is selected

  - by Jack

  Hi, When text is selected in the iPhone OS, the user is given the option to copy/cut etc. How would I go about adding a new option here? An example of this is in CourseNotes for iPad http://www.youtube.com/watch?v=VLQhKkgco_I where the option is used to look up on wikipedia (around 55seconds in). Thanks

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• Android TimeSqaureCalender

  - by Jack Lebbos

  i have searched for calendar libraries and i have found TimeSquare calender on this site https://github.com/square/android-times-square ive downloaded the file and add made an import for the folder in ecilipse and everithing worked fine then i have exported with gradle and imported in android studio and everything worked fine.THE problem is that i want to use this calender in an app i'm developping so i have added folder library as a module and synced with grade but when i define <com.squareup.timessquare.CalendarPickerView android:id="@+id/calendar_view" android:layout_width="match_parent" android:layout_height="match_parent" /> just in xml and run the app it crashes on setcontentview and i cannot make anything in plus can somebody tell me how to use this library correctly.

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• Matlab Question - Principal Component Analysis

  - by Jack

  I have a set of 100 observations where each observation has 45 characteristics. And each one of those observations have a label attached which I want to predict based on those 45 characteristics. So it's an input matrix with the dimension 45 x 100 and a target matrix with the dimension 1 x 100. The thing is that I want to know how many of those 45 characteristics are relevant in my set of data, basically the principal component analysis, and I understand that I can do this with Matlab function processpca. Could you please tell me how can I do this? Suppose that the input matrix is x with 45 rows and 100 columns and y is a vector with 100 elements.

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• Log into Launchpad from python script

  - by jack

  How can I log into my Launchpad account in a python script? Any sample code would be appreciated. The login url is https://launchpad.net/+login and then redirect to something like https://login.launchpad.net/fJLVSRbxPfKTpVDr/+decide Thanks in advance!

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• Constructor and Destructors in C++ work?

  - by Jack

  I am using gcc. Please tell me if I am wrong - Lets say I have two classes A & B class A { public: A(){cout<<"A constructor"<<endl;} ~A(){cout<<"A destructor"<<endl;} }; class B:public A { public: B(){cout<<"B constructor"<<endl;} ~B(){cout<<"B destructor"<<endl;} }; 1) The first line in B's constructor should be a call to A's constructor ( I assume compiler automatically inserts it). Also the last line in B's destructor will be a call to A's destructor (compiler does it again). Why was it built this way? 2) When I say A * a = new B(); compiler creates a new B object and checks to see if A is a base class of B and if it is it allows 'a' to point to the newly created object. I guess that is why we don't need any virtual constructors. ( with help from @Tyler McHenry , @Konrad Rudolph) 3) When I write delete a compiler sees that a is an object of type A so it calls A's destructor leading to a problem which is solved by making A's destructor virtual. As user - Little Bobby Tables pointed out to me all destructors have the same name destroy() in memory so we can implement virtual destructors and now the call is made to B's destructor and all is well in C++ land. Please comment.

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• Hosting an NServiceBus subscriber in the same application as the producer.

  - by Jack Ryan

  Is it possible to use NServiceBus to publish and consume messages in the same application, specifically a web application? In the future we will almost certainly need to maintain a separate long running service to process messages generated by this application, and this is why we are hoping to use NServiceBus from the start, but right now it would be nice to just start up the consumer and the publisher when the web application starts. This will make testing and deployment far easier for us. I presume I will need to reference the NServiceBus.Host.exe and start up the process in the global.asax, but need help on what exactly I need to call to do this.

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• glibc regexp performance

  - by Jack

  Anyone has experience measuring glibc regexp functions? Are there any generic tests I need to run to make such a measurements (in addition to testing the exact patterns I intend to search)? Thanks.

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• What segments does C compiled program use?

  - by b-gen-jack-o-neill

  Hi, I read on OSDev wiki, that protected mode of x86 architecture allow you to create separate segments for code and data, while you cannot write into code section. That Windows (yes, this is the platform) loads new code into code segment, and data are created on data segment. But, if this is the case, how does program know it must switch segments to the data segment? Becouse if I understand it right, all adress instructions point to the segment you run the code from, unless you switch the descriptor. But I also read, that so colled flat memory model allows you to run code and data within one segment. But I read this only in connection to assembler. So, please, what is the case with C compiled code on Windows? Thanks.

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• GMail: Which email address was this listserv email addressed to?

  - by Jack

  I have multiple email addresses linked to my gmail account. I am signed up to some email groups that send emails out with To: [email protected] I can't remember which email address I used to sign up for this group. How do I find out which email address this was addressed to?

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• Running ASP.NET MVC 1.0 application

  - by Jack Daniels

  Hello I'm trying to build an app with ASP.NET MVC 1.0. I already have installed MVC 1.0 but after running the application It trows an exception: Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. Compiler Error Message: CS1705: Assembly 'MVC_CustomControls, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' uses 'System.Web.Routing, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' which has a higher version than referenced assembly 'System.Web.Routing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' Any help is greatly appreciated.

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• PHP Get random paragraph

  - by Jack

  Anyone know how to get a random set of lines from a text file? I want to get a set of 3 lines with <br> on the front of each and display them through html. example: set 1 <br>Hi <br>what's your name <br>goodbye set 2 <br>stack <br>overflow <br>hi there set 3,4,5.... Choose one random set and display it. The sets of lines would be stored in a text file. Thanks a lot!

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• Incompatible Types in Initialization

  - by jack

  I have the following code in a subroutine that produces an incompatible types in initialization error on the varVal library in the subroutine evaluateExpression: NSDictionary *varVal; for (int i=0; i<varCount; i++) { [varVal setObject:[(i+1)*2 stringValue] forKey:[i stringValue]]; } double result =[[self brain] evaluateExpression:[[self brain] expression] usingVariableValues:varVal]; My subroutine declaration in the brain.h file is: +(double)evaluateExpression:(id)anExpression usingVariableValues:(NSDictionary *)variables; I'd appreciate any help.

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• Help needed with simple mysql group by query

  - by Jack

  This query fails when I add the line shown... :BEGIN FAIL: I have this so far Select Companyid, count(*) as cnt from mytable where State is not null and cnt = 1 <------------------------- FAIL group by CompanyID :END FAIL: Any way to do this? Here's a long winded background if it'll help.... I have a single table query. here's a sample of the table: CompanyID, State 1,OH 1,IL 1,NY 2,IL 3,NY 3,OH 4,NY 5,CA 5,WA I want a query that'll return something like this: 2,IL 4,NY I have this so far Select Companyid, count(*) as cnt from mytable where State is not null group by CompanyID This gives me a count of the number of records for each company. IE: 1,3 2,1 3,2 4,1 5,2 Now I want to filter the above list to just the two records with one result. I tried adding another where clause, but it failed: BEGIN FAIL: I have this so far Select Companyid, count(*) as cnt from mytable where State is not null and cnt = 1 <-------------------- FAIL group by CompanyID END FAIL:

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• take only one record of select

  - by jack.cap.rooney

  I need to fetch only first record (because I need last date) of resultset, at the moment I have this resultset from this sql tring: SELECT BCACC,FLDAT FROM ANAGEFLF ORDER BY FLDAT DESC and I see this record: A.M.T. AUTOTRASPORTI SRL 20080220 A.M.T. AUTOTRASPORTI SRL 20080123 A.M.T. AUTOTRASPORTI SRL 20070731 APOFRUIT ITALIA 20080414 APOFRUIT ITALIA 20080205 APOFRUIT ITALIA 20071210 APOFRUIT ITALIA 20070917 APOFRUIT ITALIA 20070907 now I need to take only one record (first) for every BCACC, I would take this resultset: A.M.T. AUTOTRASPORTI SRL 20080220 APOFRUIT ITALIA 20080414 I've just try group it for BCACC but I receive an sql error, I'm workin on DB2 ibmI

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• Linq 2 SQL Grouping Question

  - by Jack Marchetti

  var groups = from p in dc.Pool join pm in dc.PoolMembers on p.ID equals pm.PoolID group p by p.Group into grp select new { grp.ID }; This isn't working. Basically I want to do the grouping, and then select certain columns, but when I do select new { grp. } I get no intellisense, so I'm obviously doing something wrong. Any ideas?

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• Using JavaScript to render HTML; nothing appearing but values will alert

  - by Jack Roscoe

  Hi, I'm taking some information from some variables I have already defined outside this function to create a html svg text box. Here is the function which is causing me trouble: RenderTextBox:function() { alert('this.x: ' + this.x); alert('this.y: ' + this.y); this.textBox = paper.text(this.x, this.y, this.htmlTextBox); } The alerts works prefectly, and prompt me with the values expected. However, the final line which is supposed to create the text box puts them nowhere to be seen. Does anybody know why? If I replace 'this.x, this.y..' with numerical values in the final line of the function, the text box is placed correctly. It's only when I use the 'this.x' and 'this.y' that I have issues.

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• Django's USE_L10N does not work

  - by jack

  I already set USE_L10N = True in settings.py But in following view: from django.contrib.humanize.templatetags.humanize import intcomma dev view_name(request): output = intcomma(123456) Output is always "123,456" for all locales.

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• Excel plugin: Finding a Chart's Source Data Number Format String

  - by Jack

  I'm currently working on a plugin for excel (using VB.net--not VBA) that will attempt (among other things) to recognize the format of the source data of a chart and configure the chart's series' number format strings appropriately. That is, yearly data should always be two numbers, monthly data should always be a 3-letter month followed by a 2-digit year, etc. The goal is to have a uniform representation across all charts for monthly data, annual data, daily data, etc. My question is this: how do I find the number format string for the cells (or any cell that is part of that series, as I will be assuming all cells that make up a particular series have the same format) that represent the source data for the chart? Note: I can assume that the chart will always point to a range of cells (not, for example, an array of data).

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• C/C++ usage of special CPU fetures

  - by b-gen-jack-o-neill

  Hi, I am curious, do new compilers use some extra features built into new CPUs such as MMX SSE,3DNow! and so? I mean, in original 8086 there was even no FPU, so compiler that old cannot even use it, but new compilers can, since FPU is part of every new CPU. So, does new compilers use new features of CPU? Or, it should be more right to ask, does new C/C++ standart library functions use new features? Thanks for answer.

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• DataGridView: can you add an unbound column to a Data Bound grid?

  - by Jack Johnstone

  I´m using Visual Studio 2008, C# DataGridView: can you add an unbound column to a Data Bound grid? It seems pretty simple, just select the properties ("DataGridView Tasks box") for the data bound DataGridView, and select Add unbound column. However, when in runtime there will be a System.FormatException - which I can understand, as I don´t know how to "initialize" the cells in the new unbound columns. I was planning initializing it programmatically via CellFormatting event - but so far I´m failing. Any tips? Just want to get it up and running in SOME way...

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• GUID.TryParse() ?

  - by Jack Marchetti

  Obviously there is no public GUID.TryParse() in .NET CLR 2.0. So, I was looking into regular expressions [aka googling around to find one] and each time I found one there was a heated argument in the comments section about RegEx A doesn't work, use RegEx B. Then someone would write Regex C yadda yadda So anyway, What I decided to do was this, but I feel bad about it. public static bool IsGuid (string possibleGuid) { try { Guid gid = new Guid(possibleGuid); return true; } catch (Exception ex) { return false; } } Obviously I don't really like this since it's been drilled into me since day one to avoid throwing exceptions if you can defensibly code around it. Does anyonek now why there is no public Guid.TryParse() in the .NET Framework? Does anyone have a real Regular Expression that will work for all GUIDs?

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• Is XML-RPC bad used as a protocol for a public API implementation?

  - by Jack Duluoz

  I need to implement a web API for a project I'm working on in this period. I read there are many standard protocols to do it: XML-RPC, SOAP, REST. Apparently, the XML-RPC one is the easiest one to implement and use from what I saw, but I didn't find anything about using it to implement an API. Instead I found many tutorial about creating a REST API in PHP, for example. Is there any counter-indication for using XML-RPC to implement a public web API? Also, more generally speaking, I could (sort of) define a custom protocol for my API, to keep things simpler (i.e. accepting only GET request containing the parameters I need): would this be so bad? Is using a standard protocol a must-do?

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• Hiding all panels on a web content form within a master page

  - by Jack Marchetti

  I'm trying to hide all panels on a page, when a button click occurs. This is on a web content form, within a master page. The contentplageholder is named: MainContent So I have: foreach (Control c in Page.Form.FindControl("MainContent").Controls) { if (c is Panel) { c.Visible = false; } } This never find any panels. The panels are within an Update Panel, and I tried foreach(Control c in updatePanel.Controls) { } and this didn't work either. I also tried : foreach(Control c in Page.Controls) { } and that didn't work either. Any idea what I'm missing here?

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• JavaScript, jQuery, XML - if statement not executing for unknown reason

  - by Jack Roscoe

  Hi, I have a 'for' loop which extracts data from an XML document and adds it into some JavaScript objects, each time the loop executes I want it to run a certain function depending on the value of the attribute 'typ' which is being retrieved from the xml. Currently, the data from the XML is successfully being parsed, which is proven by the first 'alert' you can see which produces the correct value. However, neither of the 'alert' lines in the 'if' statement lower down are being executed and as a result I cannot test the 'ctyp3' function which is supposed to be called. Where have I gone wrong? for (j=0; j<arrayIds.length; j++) { $(xml).find("C[ID='" + arrayIds[j] + "']").each(function(){ // pass values questions[j] = { typ: $(this).attr('typ'), width: $(this).find("I").attr('wid'), height: $(this).find("I").attr('hei'), x: $(this).find("I").attr('x'), y: $(this).find("I").attr('x'), baC: $(this).find("I").attr('baC'), boC: $(this).find("I").attr('boC'), boW: $(this).find("I").attr('boW') } alert($(this).attr('typ')); if ($(this).attr('typ') == '3') { ctyp3(x,y,width,height,baC); alert('pass'); } else { // Add here alert('fail'); } }); }

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• Using microsoft report viewer with objects

  - by Jack

  Ive got some nested objects that I am trying to generate reports for. A BackupClient contains BackupVersions and BackupVersions contain BackupFiles. I passed in the list of BackupClients - and the report displays the client name, etc.... but to display the versions - It says I have to have a Binding Source for BackupVersions. If I pull all of the versions out of the clients and put them in a different BindingSource, then my data is no longer together - how is the report viewer going to list the versions for client X - if I just have a binding source with ALL clients versions in it?

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