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• JEXCelAPI on android

  - by user121196

  When I added the JExcelAPI http://jexcelapi.sourceforge.net/ to the class path and run my app, I get: trouble writing output: shouldn't happen [2009-07-16 14:32:19 - xxx] Conversion to Dalvik format failed with error 2 any idea? thanks

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• passing an array structure as an array

  - by Matias

  I'm having trouble passing a structure array as a parameter of a function struct Estructure{ int a; int b; }; and a funtion Begining(Estructure &s1[]) { //modifi the estructure s1 }; and the main would be something like this int main() { Estructure m[200]; Begining(m); }; is this valid?

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• How to store a scaleable sized extensible event log?

  - by firoso

  Hello everyone! I've been contemplating writing a simple "event log" that takes a paramater list and stores event messages in a log file, trouble is, I forsee this file growing to be rather large (assume 1M entries or more) the question is, how can I implement this system without pulling teeth, I know that SQL would be a possible way to go. XML would be ideal but not really practical for scaleability if i'm not going nuts. Example Log Entry -----Time Date-------- ---------Sender----------------------- ---------Tags---------- --Message---------- 12/24/2008 24:00:00 $DOMAIN\SYSTEM\Application$ :Trivial: :Notification: It's Christmas in 1s

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• Succinct But Complete Example of WPF App?

  - by Eric J.

  Is there a succinct but complete example project or tutorial that brings together the pieces of the Microsoft stack for a complete application? WPF MVVM Business Objects EF Database I find plenty for WPF and plenty for EF, but am having trouble fully understanding how the EF generated classes relate to business objects, and how those business objects in turn fit into the MVVM pattern.

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• How can i resolve the N+1 Selects problem ?

  - by Maxime ARNSTAMM

  Hello everyone, I have trouble understanding how to avoid the n+1 select in jpa or hibernate. From what i read, there's the 'left join fetch', but i'm not sure if it still works with more than one list (oneToMany).. Could someone explain it to me, or give me a link with a clear complete explanation please ? I'm sorry if this is a noob question, but i can't find a real clear article or doc on this issue. Thanks

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• Django Include Aggregate Sums of Zero

  - by tomas

  I'm working on a Django timesheet application and am having trouble figuring out how to include aggregate sums that equal zero. If I do something like: entries = TimeEntry.objects.all().values("user__username").annotate(Sum("hours")) I get all users that have time entries and their sums. [{'username': u'bob' 'hours__sum':49}, {'username': u'jane' 'hours__sum':10}] When I filter that by a given day: filtered_entries = entries.filter(date="2010-05-17") Anyone who didn't enter time for that day is excluded. Is there a way to include those users who's sums are 0? Thanks

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• How to ensure consistent ST_Geometry SRIDs when importing feature classes to ArcSDE?

  - by nw

  When importing feature classes from other sources, how can I make sure the ST_Geometry SRIDs are consistent? I'm having trouble with certain database-level operations because the SRIDs between feature classes do not match, even though the projection and coordinate system are identical.

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• How to create and add elements in a list in Scheme?

  - by Chris

  I want to define a method that take an integer as input and creates dynamically a list of all descending integer numbers to zero. I find trouble into calling method for the n-1 element

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• Covariance and contravariance real world example

  - by Sir Psycho

  I'm having a little trouble understaing how I would use covariance and contravariance in the real world. So far, the only example's I've seen have been the same old array example. object[] objectArray = new string[] { "string 1", "string 2" }; It would be nice to see an example that would allow me to use it during my development if I could see it being used elsewhere. Can anyone point me to some useful resources?

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• Formatting numbers in loop

  - by dave9909

  I want to list all numbers from 0000-9999 however I am having trouble holding the zero places. I tried: for(int i = 0; i <= 9999; ++i) { cout << i << "\n"; } but I get: 1,2,3,4..ect How can I make it 0001,0002,0003....0010, etc

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• Excel manipulation from C# - Set ActiveCell?

  - by bowsa

  I'm currently trying to move some VB6 macros into a C# app and I'm having trouble setting the active cell using C#. In VB6 its simply: ActiveSheet.Range("L1").Select Does anyone know what the C# equivalent is? Cheers in advance.

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• How can I connect to SQL Server using (local)\INSTANCE_NAME?

  - by Brandon

  I have a developer that is having trouble connecting to a SQL Server instance by entering the server name (local)\HIS_SERVER_INSTANCE into Visual Studio-Server Explorer. If he replaces (local) with his machine name, it connects fine. I have had similar issues before but they seemed to fix themselves. Does anyone know a fix for this?

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• Get total size of all Shared Folders (Except Admin Shares) from a list of Servers?

  - by bEUY

  Hi there, I'm looking to calculate the total size of all shared folders (except admin shares) on a number of different servers (consolidating all accessed files to a NAS box for easier backup / restore) but am having a bit of trouble finding a solution. I'm certain this could be done in powershell but I just can't find the right information to get me going, I can currently spit out a list of all shares on the servers but am not sure where to go from here: $servers =@( "server1", "server2") foreach($server in $servers) { get-WmiObject Win32_Share -computerName $server -filter "Type = 0" }

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• Remove line from a file using a variable line number

  - by paultop6

  Hi Guys, This is probably a simple one to answer, but im stuck, so here goes sed '3d' filename (or something like tht) Im having trouble try to use a $VARIABLE instead of the number Any1 know how to get this to work , or any alternative options Regards Paul

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• enable HeapDumpOnOutOfMemoryError in runtime

  - by Schildmeijer

  according to http://java.sun.com/javase/6/webnotes/trouble/TSG-VM/html/clopts.html it should be possible to enable -XX:+HeapDumpOnOutOfMemoryError using JConsole in runtime. How? I assume its somewhere under MBeans tab and the com.sun.management - HotSpotDiagnostic - Operations - setVMOptions ?

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• easy, straightforward way to package a python program for debian?

  - by Jeremiah Rose

  i'm having trouble navigating the maze of distribution tools for python and debian; cdbs, debhelper, python-support, python-central, blah blah blah .. my application is a fairly straightforward one - a single python package (directory containing modules and a __init__.py), a script for running the program (script.py) and some icons and menu items (.desktop files). is there a simple straightforward way to make a .deb file out of these, or should i brave the nonsensical tools listed above?

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• ASP .Net User Roles - ordering for a drop down.

  - by ilivewithian

  We are using the standard aspnet security features, we have need to set the order of the roles, purely for display purposes. We could just have a sequence number onto the end of the aspnet_roles table, but that feels kinds of hacky to me. Also if in future versions of asp the security get changed we will be in trouble. Is there a better way to do this that won't make me loose sleep each time a new version is pushed out?

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• Java Method declaration

  - by user1701604

  I'm trying to declare a method for my program that takes only a 5 digit integer and for each digit of the integer, reads a value from the program and prints it out. I understand this isn't very clear but im having trouble relaying what I mean. I understand it will be some sort of for loop to read each digit of the integer individually until something reaches 5. Something like the charAt() string method but works for digits.

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• how to go back to first if statement if no choices are valid - python

  - by wondergoat77

  how can i have python move to the top of an if statement if nothing is satisfied correctly i have a basic if/else statement like this: print "pick a number, 1 or 2" a = int(raw_input("> ") if a == 1: print "this" if a == 2: print "that" else: print "you have made an invalid choice, try again." what i want is to prompt the user to make another choice for 'a' this if statement without them having to restart the entire program, but am very new to python and am having trouble finding the answer online anywhere.

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• iPhone app sales report help...

  - by Moshe

  I am having trouble understanding my iPhone app sales report. Which column says how many downloads I have? Which report should I use? I am asking here because only developers would understand what I am talking about. Nobody else sees these reports.

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• PHP - Read TXT from specific position

  - by user1466766

  I'm having trouble with PHP text parsing I have a txt file which has this kind of information: sometext::sometext.0 = INTEGER: 254 What i need is to get the last value of 254 as variable in PHP. in this txt file this last value can change from 0 to 255 "sometext::sometext.0 = INTEGER: " this part doesn't change at all. It has a length of 36 symbols, so i need get with PHP what is after 36 symbol into variable. Thank you.

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• Popout/expand links on mouseover without changing text/elements flow

  - by Timm

  I'd like links to "pop out" of the page when hovering over them, without changing the position/flow of text/elements nearby. See attached example shot. I'm pretty sure this is a simple position trick, but I'm having trouble getting it to work properly. I'd prefer this not to require any JS, if possible. Any advice is much appreciated.

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• How to create a cell array of k similar objects in Matlab?

  - by Reed Richards

  I want to create an 1,k cell of m,m matrices. I have some trouble trying to initialize it. My first idea was to do this myCell = cell{1,K}; for k = 1:K myCell{1,k} = eye(m); end But it seems like such ugly way to initialize it. There have to be a better way?

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• Do any FASM veterans want to become a mentor?

  - by Sam152

  Learning assembly has so far been pretty hard, I have read every tutorial I could find and I'm still having trouble getting some of the basics down. Does anyone out there want to mentor me and answer a few questions every now and then? Thanks to anyone considering.

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• How do I stop cropping of a transformed (scaled) image in a grid (silverlight)

  - by Jeremy

  I have a grid with an image in it. Initially, the image is larger than the grid, so it gets cropped which is fine, but if I apply a scaling transform to causing the image to shrink, the portion that was initally cropped remains cropped, but I want it displayed now, because it would fit in the grid. I concidered putting my image in a canvas, but I want it centered vertically and horizontally, which is giving me trouble, so I switched to a grid.

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