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• problem in Latex

  - by qwerty

  Hellom I have a problem in Latex: if i have: \begin{enumerate} \item Alert - Mesaje de avertizare, erori, etc. \item Form - Permite crearea de ecrane compuse din alte componente, cum ar fi imagini (Image) sau articole derivate din Item (ChoiceGroup, CustomItem, DateField, Gauge, ImageItem, Spacer, StringItem, TextField). \item List - Ecran pentru selectarea unei op\c tiuni dintr-o mul\c time prestabilit\u a. \item TextBox - Ecran pentru introducerea unui text. \end{enumerate} \bf BIBLIOGRAFIE \linebreak \linebreak 1.suport\hspace{0.2cm}curs then, i wanna display that BIBLIOGRAFIE after the last item, but with two lines between them. So i have "TextBox - Ecran pentru introducerea unui text.", then two lines, then BIBLIOGRAFIE. how can i write that? with this code, the space between List and TextBox items are very large, and BIBLIOGRAFIE is displayed at the buttom... why? if i use \linebreak after \end{enumerate} i got a compile error Please help Thankls!

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• Get products to display on custom Magento page

  - by Eric

  How can you get products to display on a custom Magento page? Naturally, this is not an uncommon question but nothing that I've seen has solved it for me. The common response is to put the following code in through the CMS editor: {{block type="catalog/product_list" name="home.catalog.product.list" alias="products_homepage” template=”catalog/product/list.phtml”}} Which just displays the message "There are no products matching the selection." on my page. Other websites advise reindexing the data through the Magento admin controls, clearing the Magento cache, and making sure products are set to a store, none of which helped in my case. Anyone have any ideas?

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• what are the recent dataStructure and algorithms that one should know?

  - by Shamik

  Recently I came across the SkipList data structure. It really helped me to solve one otherwise critical problem to be solved. I was struggling to solve the same problem with Balanced Binary tree but it became very complex as the tree needs to be always balanced and I wanted to know the existence of not only a particular value but values in certain range. SkipList helped me to solve that problem effectively. I am wondering what else data structures that I need to know? I know - Array, List, Stack, Queue, Linked List, hashtable, tree and its different forms like B-tree, Trie etc. Would like to know if you find some other data structure/concept very interesting to know yet effective enough to be used in a daily development cycle.

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• C# memory / allocation cleanup

  - by Number8

  Some near-code to try to illustrate the question, when are objects marked as available to be garbage-collected -- class ToyBox { public List<Toy> Toys = new List<Toy>(); } class Factory { public ToyBox GetToys() { ToyBox tb = new ToyBox(); tb.Toys.Add(new Toy()); tb.Toys.Add(new Toy()); return tb; } } main() { ToyBox tb = Factory.GetToys(); // After tb is used, does all the memory get cleaned up when tb goes out of scope? } Factory.GetToys() allocates memory. When is that memory cleaned up? I assume that when Factoy.GetToys() returns the ToyBox object, the only reference to the ToyBox object is the one in main(), so when that reference goes out of scope, the Toy objects and the ToyBox object are marked for garbage collection. Is that right? Thanks for any insights...

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• Passing values across pages ASP.net

  - by GigaPr

  Hi i need to pass a long list of Ids from one page to another, i was thinking of using querystring but taking in consideration that the number of ids to be passed may reach 300 i think is not a good idea. an option from my understanding may be the use of session, this seems to me an optimal solution in my case but on the other hand I can certainly clear the session when the user performs a certain action and the list of ids is not longer needed, but if the user leaves the page without performing any action i want to clear the session, how can i do it? If multiple users are using the same functionality do i need the session's items to be confused or the session is for a single user? I am working in asp.net c# Thanks

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• Simpler array declaration syntax in c++

  - by AareP

  In the spirit of Go-language, where simpler syntax is considered pretty important, here's a proposal for simpler array declaration in c++: int value; int_1 list; int_2 table; int_3 cube; RECT rect; RECT_1 rects; Using typedefs this can expand to: int value; vector<int> list; vector<int> table; vector<int> cube; RECT rect; vector<RECT> rects; Would you use it, or is there such a thing as too simple syntax?

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• Compare two object lists with LINQ on specific property

  - by Niklas

  I have these two lists (where the Value in a SelectListItem is a bookingid): List<SelectListItem> selectedbookings; List<Booking> availableBookings; I need to find the ids from selectedBookings that are not in availableBookings. The LINQ join below will only get me the bookingids that are in availableBookings, and I'm not sure how to do it the other way around. != won't work since I'm comparing strings. results = ( from s in selectedbookings join a in availableBookings on s.bookingID.ToString() equals a.Value select s);

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• EXCEL - Locking a Cell from User input whilst allowing a Linked combobox?

  - by Christopher Leach

  I have a Protected Worksheet which is a checklist with a series of checkpoints. Each row has Item and Description cells that are locked. Each row has several columns with its contents to be set by a ComboBox and a text input column. Both i have left unlocked. I have Locked the the Item and Description columns and left only the 'Select Unlocked Cells' checked via Sheet Protection. I have one ComboBox on the worksheet that moves around and adjusts its LinkedCell and its Content list using the worksheets SelectionChanged event. When the user selects a cell to bring up the drop down list, the user is able to type into the cell and the Drop Down Box disappears. What is the best way to keep the cell unlocked so it can be selectable(as 'Select Locked Cells" is unchecked) however stop the user from being able to type in the cell and to allow the cells contents to become modifiable only via the ComboBox?

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• Jet Database (ms access) ExecuteNonQuery - Can I make it faster?

  - by bluebill

  Hi all, I have this generic routine that I wrote that takes a list of sql strings and executes them against the database. Is there any way I can make this work faster? Typically it'll see maybe 200 inserts or deletes or updates at a time. Sometimes there is a mixture of updates, inserts and deletes. Would it be a good idea to separate the queries by type (i.e. group inserts together, then updates and then deletes)? I am running this against an ms access database and using vb.net 2005. Public Function ExecuteNonQuery(ByVal sql As List(Of String), ByVal dbConnection as String) As Integer If sql Is Nothing OrElse sql.Count = 0 Then Return 0 Dim recordCount As Integer = 0 Using connection As New OleDb.OleDbConnection(dbConnection) connection.Open() Dim transaction As OleDb.OleDbTransaction = connection.BeginTransaction() 'Using cmd As New OleDb.OleDbCommand() Using cmd As OleDb.OleDbCommand = connection.CreateCommand cmd.Connection = connection cmd.Transaction = transaction For Each s As String In sql If Not String.IsNullOrEmpty(s) Then cmd.CommandText = s recordCount += cmd.ExecuteNonQuery() End If Next transaction.Commit() End Using End Using Return recordCount End Function

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• How to show empty view when ListView is empty?

  - by Sheehan Alam

  Here is my layout. For some reason the empty view (TextView in this case) always appears, even when the List is not empty. I thought the ListView would automatically detect when to show the empty view. How can I hook up the empty view properly? <RelativeLayout android:id="@+id/LinearLayoutAR" android:layout_height="fill_parent" android:layout_width="fill_parent"> <ListView android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/ARListView"></ListView> <ProgressBar android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/arProgressBar" android:layout_centerHorizontal="true" android:layout_centerVertical="true"></ProgressBar> <!-- Here is the view to show if the list is emtpy --> <TextView android:id="@id/android:empty" android:layout_width="match_parent" android:layout_height="match_parent" android:text="No Results" /> </RelativeLayout>

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• VBScript Permission Denied on CopyFile

  - by Chris

  I'm running a VBScript in SQL Agent but I get a 'Permission Denied' on line 34 (the first copy attempt). I've run this script outside SQL Agent with no problems Function Main() Const SourceDrive As String = "X:\" Dim fso Dim Today Dim FileName Dim FromFile Dim FromDrive Dim ArchivePath Set fso = CreateObject("Scripting.FileSystemObject") Today = Format(Now, "yyyyMMdd") 'To add more sources just add them to the array list Dim Sources() As Variant Sources() = Array("Item1", _ "Item2") 'To add more targets just add them to the array list Dim Targets() As Variant Targets() = Array("C:\Users\myalias\Desktop\MyToFolder", _ "C:\Users\myalias\Desktop\MyToFolder2") For i = 0 To UBound(Sources) FileName = "WebSurveyAlertCallbacks_" & Sources(i) & "_" & Today & ".xls" FromDrive = fso.BuildPath(SourceDrive, Sources(i)) FromFile = fso.BuildPath(FromDrive, FileName) ArchivePath = fso.BuildPath(FromDrive, "Archive") If fso.FileExists(FromFile) Then For t = 0 To UBound(Targets) fso.CopyFile FromFile, fso.BuildPath(Targets(t), FileName), True Next fso.CopyFile FromFile, fso.BuildPath(ArchivePath, FileName), True fso.DeleteFile FromFile End If Next Set fso = Nothing Main = DTSTaskExecResult_Success End Function

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• RegEx expression to find a href links and add NoFollow to them

  - by Rodney

  I am trying to write a RegEx rule to find all a href HTML links on my webpage and add a 'rel="nofollow"' to them. However, I have a list of URLs that must be excluded (for exmaple, ANY (wildcards) internal link (eg. pokerdiy.com) - so that any internal link that has my domain name in is excluded from this. I want to be able to specify exact URLs in the exclude list too - for example - http://www.example.com/link.aspx) Here is what I have so far which is not working: (]+)(href="http://.*?(?!(pokerdiy))[^]+) If you need more background/info you can see the full thread and requirements here (skip the top part to get to the meat): http://www.snapsis.com/Support/tabid/601/aff/9/aft/13117/afv/topic/afpgj/1/Default.aspx#14737

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• Using reshape + cast to aggregate over multiple columns

  - by DamonJW

  In R, I have a data frame with columns for Seat (factor), Party (factor) and Votes (numeric). I want to create a summary data frame with columns for Seat, Winning party, and Vote share. For example, from the data frame df <- data.frame(party=rep(c('Lab','C','LD'),times=4), votes=c(1,12,2,11,3,10,4,9,5,8,6,15), seat=rep(c('A','B','C','D'),each=3)) I want to get the output seat winner voteshare 1 A C 0.8000000 2 B Lab 0.4583333 3 C C 0.5000000 4 D LD 0.5172414 I can figure out how to achieve this. But I'm sure there must be a better way, probably a cunning one-liner using Hadley Wickham's reshape package. Any suggestions? For what it's worth, my solution uses a function from my package djwutils_2.10.zip and is invoked as follows. But there are all sorts of special cases it doesn't deal with, so I'd rather rely on someone else's code. aggregateList(df, by=list(seat=seat), FUN=list(winner=function(x) x$party[which.max(x$votes)], voteshare=function(x) max(x$votes)/sum(x$votes)))

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• [Seamless Handover of WiFi] Can we program to automatically join the WiFi with the most strongest si

  - by Dobby

  Hi all, I am making a iphone program, I wish that: it can sense and display the current signals of wifi, with strength, - as I checked, this cannot be done by official SDK, but there were some private library that can handle. 2. i wish it can always automatically join the best wifi with the most highest strength ( assume that all wifi APs have no password, and all are not remembered into the used-list inside iphone), which is something like "seamless handover"... I just guess that, there should be some APIs to let the system join one designated wifi signal from the list, and wish someone could help me. I would like to appreciate a lot : ) Thanks a lot!

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• Display xml data in silverlight datagrid, vb.net

  - by Aishwarya

  I want to display an xml file data in silverlight datagrid. im using the below code but it doesnt work.Please help. My vb.net code: Imports System Imports System.Collections.Generic Imports System.Linq Imports System.Windows Imports System.Windows.Controls Imports System.Xml.Linq Namespace SilverlightApplication1 Public Partial Class Page Inherits UserControl Public Sub New() InitializeComponent() End Sub Private Sub Page_Loaded(ByVal sender As Object, ByVal e As RoutedEventArgs) DataGrid1.ItemsSource = GetPunchReport() End Sub Public Function GetStatusReport() As List(Of Table) Dim statusReport As New List(Of Table)() Dim doc As XElement = XElement.Load("Data/PunchReport.xml") report = (From row In doc.Elements() _ Select GetStatus(row)).ToList() Return statusReport End Function Private Function GetReport(ByVal row As XElement) As Table Dim s As New Table() s.JobID= row.Attribute("JobID").Value s.VenueName= row.Attribute("VenueName").Value) Return s End Function End Class End Namespace

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• What is the difference between LinkedList and ArrayList, which one should be should be under which c

  - by Amit

  Here i want to know, How we can decide as what to use out of both Linked List and ArrayList and when.

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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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• RMI client tracking

  - by 0000

  I'm building a Client / Server app that has some very specific needs. There are 2 kinds of servers: the first kind provide most of the remote procedures and clients connect to these directly, while the second kind is a single server that should keep track of what users are active (clients) and how many servers of the first kind are active when a method is called. The main thing is that the monitor should ONLY connect to the servers and not the clients directly. My first idea was to implement a simple login/logout rmi method when a client connects/ disconnects and keep track of those in a list but the main problem is when a client or server end abnormally. For example, if a client goes offline abruptly the server should somehow be notified and update the list accordingly, while if a server goes out all of the clients connected to it should be marked as not active in the control server. Any ideas of how to implement this functionality would be appreciated.

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• improve my jquery validation plugin code

  - by Jared

  Hi All Just hoping soemone can help me to write better code than I can come up with on my own. I am using the jquery validation plugin. I have some fields that are mandatory ONLY if certain options are chosen. The below code works fine. But the thing is, is that that my list of 'OR's is much longer than I've put here. and it needs to be applied not just to 'directorsName' but a whole long list of inputs, selects etc. My question is.. how can I wrap up the code contained inside the RETURN? (so I dont have to keep repeating my 'OR's. I'm guessign I need a function but I'm unsure of the syntax) $("#myForm").validate({ rules: { directorsName : { required: function(element) { return ( $('#account_for').val() == "Joint" || $('#directors_number').val() == "2" || $('#directors_number').val() == "3" ); } } } }); Thanks in advance

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• C# ToDictionary can valueSelector give null?

  - by Trimack

  Hi, I want to make a dictionary out of list in a way, that the list becomes keys and values would be empty. I have following code Dictionary<XmlTest, int?> testBattery = new XmlTests().GetRandomTestBattery(id). ToDictionary(k => k, v => null); But I am getting the error "Cannot convert lambda expression to type System.Collections.Generic.IEqualityComparer' because it is not a delegate type" Any ideas how could I fix it? (I know I could iterate through and fill the dict one element at a time, but I simply want to use something more elegant)

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• Best place to store large amounts of session data

  - by audiopleb

  I'm building an application that needs to store and re-use large amounts of data per session. So for example, the user selects a large list of list items (say 2000 or significantly more) which have a numeric value as their key then they save that selection and go off to another page, do something else and then come back to the original page and need to load their selections into that page. What is the quickest and most efficient way of storing and reusing that data? In a text file saved with the session id? In a temp db table? In the session data itself (db sessions so size isn't a limit) using a serialised string or using gzcompress or gzencode? Any advice or insight would be great! Thank you!!!!

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• In which controller do you put the CRUD for the child part of a relationship?

  - by uriDium

  I am using ASP.Net MVC but this probably applies to all MVC patterns in general. My problem, for example I have companies and in each company I have a list of contacts. When I have selected a company I can see its details and a list of the contacts for that company. When I want to add a new contact for that company, should the implementation of that action go into the company controller as an "AddContact" action or should it go into the contact controller into a "New" action and we pass the Company ID in the URL? What is the usual way of dealing with this sort of thing in ASP.Net MVC? Is there a better stategy?

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• How do i translate this to "simpler" JavaScript?

  - by Julian Weimer

  Since i'm working with Titanium i realzed that its current JavaScript Interpreter doesn't accept specific coding-styles. So for for-loops and if-statements i have to have braces, even though i only want to span one line. Furthermore there is more i have to change if i want to use a Javascript Library like underscore.js. This is what Titanium doesn't want to see: if (!(result = result && iterator.call(context, value, index, list))) {_.breakLoop();} if (nativeSome && obj.some === nativeSome) {return obj.some(iterator, context);} var computed = iterator ? iterator.call(context, value, index, list) : value; computed >= result.computed && (result = {value : value, computed : computed}); Can i use a simpler syntax to describe the logic behind those lines of code?

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• Finding parents where child collection does not contain an item

  - by Colin Bowern

  I am trying to get a list of parents where the child collection does not contain an item of a specific type. The LINQ equivalent would be something like: dataset.Where(x => x.Items.FirstOrDefault(y => y.Type.Code == "ABC") == null) The object model is Parent Child (Items) Type Code If Parent is my aggregate root, how would I model this in NHibernate criteria/query? Here's my first attempt: var results = session.CreateCriteria<Parent>() .CreateCriteria("Items") .CreateCriteria("Type") .Add(Restrictions.Not(Restrictions.Eq("Code", "ABC"))) .SetResultTransformer(Transformers.DistinctRootEntity) .List<Parent>(); This doesn't seem to return the right entities - it just returns them all.

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• Get application names with specific permission

  - by rolling.stones

  I want list of all applications installed on the device which use a specific permission like INTERNET. i am using this code , but not able to retrieve results , please help . private ArrayList<String> getInstalledApps(Context context) { ArrayList<String> results = new ArrayList<String>(); PackageManager packageManager = context.getPackageManager(); List<PackageInfo> applist = packageManager.getInstalledPackages(0); Iterator<PackageInfo> it = applist.iterator(); while (it.hasNext()) { PackageInfo pk = (PackageInfo) it.next(); if (PackageManager.PERMISSION_GRANTED == packageManager.checkPermission(Manifest.permission.INTERNET, pk.packageName)) results.add("" + pk.applicationInfo.loadLabel(packageManager)); } for (int i = 0; i <= results.size(); i++) { Log.v("app using internet = ", results.toString()); } return results; } Thanks in advance. Any help accepted :)

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