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  • Best practices for developing bigger applications on Android

    - by Janusz
    I've already written some small Android Applications, most of them in one Activity and nearly no data that should be persistent on the device. Now I'm writing an application that needs more Activities and I'm a bit puzzled about how to organize all this. My app will download some data parse it show it to the user and then show other activities depending on the data and the user interaction. Some of that data could be cached, some of it has to be downloaded every time. Some of that data should not be downloaded freshly at the moment the orientation changes, but it should on the moment the activity is created... Another thing I'm confused about are things like a httpClient. I now for example create a new httpclient for every activity, the same thing for locationlisteners. Are there books, a blogs or documentations with patterns, examples and advice on organizing larger apps build on android? Everything I found until now are get startet tutorials leaving me alone after 60 lines of code...

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  • route finding between two designation on maps in android?

    - by androidbase Praveen
    i want to just find a shortest path between the location on map. we have to pass the location's geopoint then click the button to get direction. it will show the shortest path like a blue line. how to do this? i search about this. many of them import a package com.google.googlenav.*;. where i have to get this? Any Idea???? Edit:got downloaded the Cloudemade API. how to draw the lines between the points.

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  • How to specify custom Sass directory with sinatra

    - by yaya3
    Instead of serving my Sass files from the default 'views' directory I'd like to change this to /assets/sass The following attempts are in my main ruby root file in the app: Attempt 1 set :sass, Proc.new { File.join(root, "assets/sass") } get '/stylesheet.css' do sass :core end With this I get the following error: myapp.rb:17 NoMethodError: undefined method `merge' for "/Users/x/x/x/mysinatraapp/assets/sass":String Attempt 2 get '/stylesheet.css' do sass :'/assets/sass/core' end Attempt 3 get '/stylesheet.css' do sass :'/assets/sass/core' end Both return the following error: Errno::ENOENT: No such file or directory - ./views/assets/sass/core.sass Attempt 4 get '/stylesheet.css' do sass :'../assets/sass/core' end This works! however, there must be something along the lines of set :sass, Proc.new { File.join(root, "assets/sass") } that sets this up for me?

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  • Open Flash Chart on Zend MVC Error

    - by davykiash
    I recently downloaded the Open Flash Chart source code and I have intergrated it into my Zend MVC.Since I use the autoloader I have renamed my files and commented the "require_once" source lines. However when I try to load my chart <script type="text/javascript"> swfobject.embedSWF( "<?php echo $this->baseUrl() ?>/swf/open-flash-chart.swf", "my_chart", "550", "200", "9.0.0", "<?php echo $this->baseUrl() ?>/swf/expressInstall.swf", {"data-file":"<?php echo $this->baseUrl()?>/reportexpense/piechart/"} ); </script> it loads the "/data-files/y-axis-auto-steps.txt" instead and I cant figure out why. My controller returns the JSON string which I expect to be rendered. What am I missing?

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  • Does anyone know what these Oracle AQ JMS XA properties do?

    - by Alan Chan
    I'm using Oracle Advanced Queues via JMS from within Websphere App Server. Does anyone know what effect the following two properties have:- - oracle.jms.useEmulatedXA - oracle.jms.useNativeXA I have seen mentioned in some blogs and quick start guides, usually in sentences along the lines of "Add -Doracle.jms.useEmulatedXA=false -Doracle.jms.useNativeXA=true to the JAVA_PROPERTIES variable", without any explanation as to what they do:- e.g. http://biemond.blogspot.com/2008/11/using-aq-in-weblogic-103.html http://sqltech.cl/doc/oas10gR31/integrate.1013/b28994/adptr_aq.htm#CHDEADFB I'm curious as to what these two properties actually do, and what the implications of setting them are, even though they don't seem to have any affect on our app regardless of whether we set them or not. Googling hasn't given any answers, does anyone have any clue what they actually do?

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  • fsutil hardlink doesn't work?

    - by Alix Axel
    I was looking for a way to create hard links under Windows and I found this page: http://technet.microsoft.com/en-us/library/cc788097.aspx To try it out, I created a file (1.txt) on the root of my C: drive with 100 lines of the following content: C:\1.txt (2.598 bytes): test test test test test Then I open the command prompt and type: fsutil hardlink create C:\2.txt C:\1.txt Success, 2.txt was created but when I go to see it's size it has exactly 2.598 bytes and also noticed some strange behaviours (as far as my understanding of hard links goes): If I delete 2.txt (the hard linked file) 1.txt is not deleted, and vice-versa. If I open 2.txt after I delete 1.txt (the original file) the content is still the same. How does the fsutil hardlink create command differs from the copy command? And how can I create a true hard link under Windows? I'm using Windows XP SP 3, and my file system is NTFS.

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  • Emacs: annoying Flymake dialog box.

    - by baol
    Hello I have the following lines in my ~/.emacs.d/init.el (custom-set-variables '(flymake-allowed-file-name-masks (quote ( ("\\.cc\\'" flymake-simple-make-init) ("\\.cpp\\'" flymake-simple-make-init))))) (add-hook 'find-file-hook 'flymake-find-file-hook) When I open a cc/cpp file that has a Makefile with the following content in the same folder I get proper on-the-fly compilation and error reporting (Flymake will check the syntax and report errors and warnings during code editing) .PHONY: check-syntax check-syntax: $(CXX) -Wall -Wextra -pedantic -fsyntax-only $(CHK_SOURCES) The problem is that when I open a .cc file that has no corresponding Makefile i get an annoying dialog box that warns me about flymake being disabled for every file opened. Is there some hook I can use to disable that warning? Can you provide sample elisp code and explanation on how you found the proper hook?

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  • C# - Accesing to items for a collection inherited from List<string>

    - by Salvador
    I am trying to implement a new class inherited from List<string>, to load the contents from a text file to the items. using System.Collections.Generic; using System.IO; using System.Linq; public class ListExt: List<string> { string baseDirectory; public LoadFromFile(string FileName) { this._items = File.ReadAllLines(FileName).ToList();//does not work because _list is private } } but i dont knew how to load the lines into the _items property because is private. any suggestions?

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  • Rails fields_for :child_index option explanation

    - by Timothy
    I have been trying to create a complex form with many nested models, and make it dynamic. Now I found that making a nested model isn't difficult with accepts_nested_attributes_for, but making it nested and dynamic was seemingly impossible if there were multiple nested models. I came across http://github.com/ryanb/complex-form-examples/blob/master/app/helpers/application_helper.rb which does it very elegantly. Could anyone shed some light on lines 13 and 16? 13 form_builder.object.class.reflect_on_association(method).klass.new and 16 form_builder.fields_for(method, options[:object], :child_index => "new_#{method}") do |f| From intuition, line 13 instantiates a new object, but why must it do so many method calls? I couldn't find any documentation for the :child_index option on line 16. When the form is created, a very large number is used as an index for new models, whereas existing models are indexed by their id. How does this work?

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  • WinForms Application Hangs

    - by Ram
    Hi, I have an application (ABC) that I developed and it as a windows application (.exe). It is by itself quite a big application referring a lot of dll's. However, now there is a requirement that demands that this application(ABC) be a part of an even larger application (XYZ). Hence, I had to change the project type of "ABC" from being a windows application to a class library, and by changing a few lines of code. My problem is that, ever since I started using ABC as part of XYZ, the application started hanging if I dint perform any operation on it for 10 to 15 mins... I do not have any problems while running it as a separate application. Any reasons why this might occur? Any suggestions would be really appreciated... Thanks, Ram

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  • can JLabel have img tags

    - by Aly
    Hi, I am trying to display a JLabel which has a few lines of text and an image as follows: String html = "<html> hello </br> <img src = \"/absolute/path/here\" height = \"30\" width =\"40\"/> </html>"; JLabel l = new JLabel(html); For the image all I get is a broken image, is it possible to nest img tags inside a JLabel? EDIT: I want to add multiple images to the JLabel so I don't think the use of an ImageIcon will do here. Thanks

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  • ctypes and pointer manipulation

    - by Chris
    I am dealing with image buffers, and I want to be able to access data a few lines into my image for analysis with a c library. I have created my 8-bit pixel buffer in Python using create_string_buffer. Is there a way to get a pointer to a location within that buffer without re-creating a new buffer? My goal is to analyze and change data within that buffer in chunks, without having to do a lot of buffer creation and data copying. In this case, ultimately, the C library is doing all the manipulation of the buffer, so I don't actually have to change values within the buffer using Python. I just need to give my C function access to data within the buffer.

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  • How to fill a webdynpro table binded to a BAPI initially?

    - by Philipp Andre
    Hello SAP-Gurus, im fairly new to webdynpro abap and have the following problem: I created a service returning a set of all existing customers. This function works well, if i test it in a litte program simply printing out the lines. now i created a webdynpro containing a table to display these customers. I also did the binding! AND it works, but only if an event fires the execute...function. What i need is kind of "execute initially", means that the function gets executed when the table initially loads. How can i do this? Best regards Philipp

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  • Make two page navigations on top ang bottom of a list

    - by sees
    I'm creating a simple PHP page that reads CSV file content and display some selected columns to users in pages Currently, I'm reading each line and display it immediately. Because of this method, I only know total of lines after finishing reading entire file( searching in file also). What I want is displaying two page navigations on the top and bottom of the list. Like this: Page 1|2|3|4 Field 1|Field 2|Field 3|Field 4|Field 5....|Field n Row1 Row2 .... Rown Page 1|2|3|4 After displaying all rows, bottom page nav, I used jquery function: insertBefore to insert another page navi to the top. Problems are: 1) Top page nav not displayed in IE8 but displayed ater pressing F5(worked in FF, Chrome). 2) Using insertBefore function, the top page nav is suddenly poppep up afer displaying the bottom one. It doesn't look naturally Any suggestion?

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  • Xcode: gcc-4.2 failed with exit code 1

    - by genesys
    Hi! I'm working on a game for the iPhone where I use the Oolong engine for rendering, and now I just tried to update my project to the newest version. However - now I get the following error when I try to compile: gcc-4.2 failed with exit code 1 in the build results I see in which cpp file the error happens, but I don't see any additional information. how can I get more info about what is going wrong in order to track down the problem? edit: after inspecting the compile output, i got the following lines, where the error occurs: {standard input}:61:selected processor does not support 'fmrx r0, fpscr' {standard input}:62:unshifted register required -- 'bic r0,r0,#0x00370000' ...somemorelines {standard input}:69:selected processor does not support 'fmxr fpscr,r0' this is some VFO code from one of the #include files. it works fine in the examples that come with the egnine. could there be something screwed up with my project settings? I compared them to the one of the example and they seem to be identical

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  • oracle pl sql dump result into file

    - by CC
    Hi. I'm working on a pl sql stored procedure. What I need is to do a select, use a cursor and for every record build a string using values. At the end I need to write this into a file. I try to use dbms_output.put_line("toto") but the buffer size is to small because I have about 14 millions lines. I call my procedure from a unix ksh. I'm thinking at something like using "spool on" (on the ksh side) to dump the result of my procedure, but I don' know how to do it (if this is possible) Anyone has any idea? Thank alot. C.C.

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  • Hidden features of x86 assembly

    - by Earlz
    I am still a fan of x86 assembly(sorta) and know a lot of developers still using x86 assembly, although by far there are very few features available in assembly, let us list out the most useful and not so well known ones. Of course the question is on the lines of the Hidden Features questions listed below.: Hidden Features of JavaScript Hidden Features of CSS Hidden Features of C# Hidden Features of VB.NET Hidden Features of Java Hidden Features of ASP.NET Hidden Features of Python Hidden Features of TextPad Hidden Features of Eclipse Hidden Features of Classic ASP Please specify one feature per answer. Also, you can specify all bits of the x86 such as 16bit(real mode), 32bit, and 64bit. Please keep it neutral of assembler though. Both Intel and AT&T syntax is welcome but please don't for example demonstrate a useful macro feature for yasm.

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  • How to draw a full ellipse in a StreamGeometry in WPF?

    - by romkyns
    The only method in a StreamGeometryContext that seems related to ellipses is the ArcTo method. Unfortunately it is heavily geared to joining lines rather than drawing ellipses. In particular, the position of the arc is determined by a starting and ending point. For a full ellipse the two coincide obviously, and the exact orientation becomes undefined. So far the best way of drawing an ellipse centered on 100,100 of size 10,10 that I found is like this: using (var ctx = geometry.Open()) { ctx.BeginFigure(new Point(100+5, 100), isFilled: true, isClosed: true); ctx.ArcTo( new Point(100 + 5*Math.Cos(0.01), 100 + 5*Math.Sin(0.01)), // need a small angle but large enough that the ellipse is positioned accurately new Size(10/2, 10/2), // docs say it should be 10,10 but in practice it appears that this should be half the desired width/height... 0, true, SweepDirection.Counterclockwise, true, true); } Which is pretty ugly, and also leaves a small "flat" area (although not visible at normal zoom levels). How else might I draw a full ellipse using StreamGeometryContext?

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  • Including Applet in JSP page

    - by Hara Chaitanya
    Hi everyone, I wrote an Applet program which draws a pie chart. The values for the applet should be passed from JSP page. I wrote the following lines of code in JSP jsp:plugin type="applet" code="drawPie" codebase="." width="750" heigth="300" jsp:params jsp:param name="user_id" value="<% =user %" /jsp:params /jsp:plugin and in applet i used String user=getParameter("user_id"); when i open the jsp page nothing comes neither error nor the chart ........ What is the problem/error in the above code snippet.....

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  • How to Insert a sub string to each line in perl

    - by Nano HE
    Hi, My code as below, How to remove the blank after add hello. to each lines. #!C:\Perl\bin\perl.exe use strict; use warnings; use Data::Dumper; my $fh = \*DATA; #my($line) = $_; while(my $line = <$fh>) { print "Hello.".$line; chomp($line); } __DATA__ Member Information id = 0 name = "tom" age = "20" Output: D:\learning\perl>test.pl Hello.Member Information Hello. id = 0 # i want to remove the blank between Hello. and id Hello. name = "tom" # same as above Hello. age = "20" # same D:\learning\perl>

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  • Transferring a flat file database to a MySQL database

    - by Jon
    I have a flat file database (yeah gross I know - the worst part is that it's 1.4GB), and I'm in the process of moving it to a MySQL database. The problem is that I'm not sure how to go about doing this - and I've checked through every related question on here but none relate to what I want to do, nor how my database is currently setup. My current flat file database is setup to where a normal MySQL row is its own file, and a MySQL table would be the directory. So for example if you have a user named Jon, there would be a file for the user in a directory named /members/. Within that file would be various information for the user including the users id, rank etc - all separated by tabs, all on separate lines (userid\t4). So here's an example user file: userid 4 notes staff notes: bla bla staff2 notes: bla bla bla username Example So how can I convert the above into their own rows and fields in MySQL? And if possible, could I do thousands of these files at once? Thanks.

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  • Creating Zend_Form elements from row html

    - by P.M
    Hi there, I am having an issue with Zend_Form and your help will be appreciated. in fact I have a class to generate categories as options $categories = My_Util_Category::toHtmlSelect();//for simplicity I removed other lines this code generates <select> <option > root</option> <option> root / children</option> </select> On another hand, I use Zend_Form form to edit categories. The code looks like: $form = My_Form_Category( $data, $selectElements = array() ); which outputs a form, text field, a select box for parent categories and a submit button. How can I get 'select element' from $form, and replace it with row html 'select' generated with $categories any help, or link will be appreciated. Thanks.

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  • Add UITabBar Control!

    - by Taimur Hamza
    hi, I m stuck in a really simple problem. And i m afraid my question might annoy some people. The problem i am facing in short is that i want to add UITabBar Control to my iphone application other than the main screen. Let me explain, I have done everything successfully Added UItabbar control from IB in the main window's xib, added a variable at the back end , associated it by dragging the line. Also added a UIWindow variable and wrote these lines . [window addSubview:tabBarController.view]; [window makeKeyAndVisible]; when i launch the application a blank window appears and tab bar shows on its bottom. But the problem i dont want to add it to a particular window which is inside my app. Its no the first screen of my app. Its actually the 3rd screen of my app. Can anybody help ? thanks Taimur

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  • RegEx for MetaMap in Java

    - by Christian
    MetaMap files have following lines: mappings([map(-1000,[ev(-1000,'C0018017','Objective','Goals',[objective],[inpr],[[[1,1],[1,1],0]],yes,no)])]). The format is explained as mappings( [map(negated overall score for this mapping, [ev(negated candidate score,'UMLS concept ID','UMLS concept','preferred name for concept - may or may not be different', [matched word or words lowercased that this candidate matches in the phrase - comma separated list], [semantic type(s) - comma separated list], [match map list - see below],candidate involved with head of phrase - yes or no, is this an overmatch - yes or no ) ] ) ] ). I want to run a RegEx query in java that gives me the Strings 'UMLS concept ID', semantic type and match map list. Is RegEx the right tool or what is the most efficent way to accomplish this in Java?

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  • Delphi 7 : how to split a string into a TStringList

    - by mawg
    It's Delphi seven and I want the equivalent of strtok(). Specifically, I have a DFM as a string (pulled from a MySql database) and I want to split it into lines in a TStringList. It looks something like this ... 'Oject Form1: TScriptForm'#$D#$A' Left = 0'#$D#$A' Top = 0'#$D#$A' Align = alClient'#$D#$A' BorderStyle = bsNone'#$D#$A' ClientHeight = 517'#$D#$A' ClientWidth = 993'#$D#$A' Color = clBtnFace'#$D#$A' Font.Charset = DEFAULT_CHARSET'#$D#$A' Font.Color = clWindowText'#$D#$A' Font.Height = -11'#$D#$A' Font.Name = 'MS Sans Serif''#$D#$A' Font.Style = []'#$D#$A' OldCreateOrder = False'#$D#$A' SaveProps.Strings = ('#$D#$A' 'Visible=False')'#$D#$A' PixelsPerInch = 96'#$D#$A' TextHeight = 13'#$D#$A'

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