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  • How to save position after reload DataGridView

    - by bobik
    this is my code: private void getData(string selectCommand) { string connectionString = @"Server=localhost;User=SYSDBA;Password=masterkey;Database=C:\data\test.fdb"; dataAdapter = new FbDataAdapter(selectCommand, connectionString); DataTable data = new DataTable(); dataAdapter.Fill(data); bindingSource.DataSource = data; } private void button1_Click(object sender, EventArgs e) { getData(dataAdapter.SelectCommand.CommandText); } private void Form1_Load(object sender, EventArgs e) { dataGridView1.DataSource = bindingSource; getData("SELECT * FROM cities"); } after reload data on button1 click, cell selection jumps on first column and scrollbars is reset. How to save position of DataGridView?

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  • What is the fastest way to scrape HTML webpage in Android?

    - by kunjaan
    I need to extract information from an unstructured web page in Android. The information I want is embedded in a table that doesn't have an id. <table> <tr><td>Description</td><td></td><td>I want this field next to the description cell</td></tr> </table> Should I use Pattern Matching? Use BufferedReader to extract the information? Or are there faster way to get that information?

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  • VMWare vSphere 5: 4 pNICs for iSCSI vs. 2 pNICs

    - by gravyface
    New SAN for me, never used before: it's an IBM DS3512, dual controller with a quad 1GbE NIC per controller that a client bought and needs help setting up. Hosts (x2) have 8 pNICs and while I usually reserve 2 pNICs for iSCSI per host (and 2 for VM, 2 for management, 2 for vMotion, staggered across adapters), these extra ports on the SAN have me wondering if storage I/O would be significantly improved with 2 additional NICs per host, or if the limitations of the vmkernel/initiator would prevent the additional multipaths from ever being realized. I'm not seeing alot of 4 pNIC iSCSI implementations per host; 2 is the de facto standard from what I've read/seen online. I could and probably will do some I/O testing, but just wondering if there's a "wall" that someone else has discovered long ago (i.e. before 10GbE) that makes a 4 NIC iSCSI per host setup somewhat pointless. Just to clarify: I'm not looking for a how-to, but an explanation (link to paper, VMWare recommendation, benchmark, etc.) as to why 2-NIC configurations are the norm vs. 4-NIC iSCSI configurations. i.e. storage vendor limitations, VMKernel/initiator limitations, etc.

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  • How to make DropDownList automatically be selected based on the Label.Text

    - by Archana B.R
    I have a DropDownlist in the GridView, which should be visible only when edit is clicked. I have bound the DropDownList from code behind. When I click on Edit, the label value of that cell should automatically get selected in the DropDownList. The code I have tried is: protected void GridView3_RowDataBound(object sender, GridViewRowEventArgs e) { if (e.Row.RowType == DataControlRowType.DataRow) { SqlCommand cmd = new SqlCommand("SELECT Location_Name FROM Location_Table"); DropDownList bind_drop = (e.Row.FindControl("DropList") as DropDownList); bind_drop.DataSource = this.ExecuteQuery(cmd, "SELECT"); bind_drop.DataTextField = "Location_Name"; bind_drop.DataValueField = "Location_Name"; bind_drop.DataBind(); string Loc_type = (e.Row.FindControl("id2") as Label).Text.Trim(); bind_drop.Items.FindByValue(Loc_type).Selected = true; } } When I run the code, it gives an exception error Object reference not set in the last line of the above code. Cannot find out whats wrong. Kindly help

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  • UIImageView is clipping a pixel of the bottom of my UIImage...?

    - by akaii
    I'm not sure what might be causing this, but UIImageView occasionally clips off about a pixel or 2 from the bottom of some square/rectangular UIImages I'm using as subviews for UITableViewCells. These UIImageViews are well within the borders of the cell, so it shouldn't be due to cliptobounds. There seems to be no consistency or pattern to which images are being clipped, nor when they're clipped, other than that it only happens to (or is only noticable in) square/rectangular icons, and only ones that are parented to UITableViewCells (or their subclasses). I'm having trouble reproducing the problem consistently, which is why I haven't posted any code this time. Has anyone encountered something similar to this before? I've encountered a similar bug that involved floating point values for origin/size being interpreted weirdly... but that doesn't seem to be the cause of this particular problem. I don't need a specific solution at this point, I'm just making sure I haven't missed any well-known bugs or documented problems that involve UIImageView.

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  • Is it possible to create an efficient UDF alternative to Excel's CUBEVALUE function?

    - by bright
    We'd like to create a simpler alternative to Excel's CUBEVALUE function for retrieving data from an OLAP server. The details aren't critical, but briefly, our function will "know" the source connection and accept a very simple ticker-like parameter and a date, in place of CUBEVALUE's MDX-style parameters. This is for internal use within our firm, just FYI. However, Excel has optimized CUBEVALUE so that calls to the OLAP server are batched. Question: Is there a way to code the new function so that it can similarly batch calls rather than issue a separate query for each cell?

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  • numberOfSectionsInTableView is requested in/after viewDidLoad ONLY if tableview is empty

    - by Ben Packard
    A simple tableviewController, empty. A modal that can be launched from a button. No data in the data source for the tableview, and no rows displayed. I open the modal, use it to add an item, and return to the tableview controller. The tableview updates itself automatically, and the new row is displayed. I add a second item. The table view does NOT update automatically. I can tell by logging inside numberOfSectionsInTableView that even if I go to add the first item and cancel, the tableview refreshes - it asks for the number of sections, rows, and the cell to display (if there is one). But not if there is one pre-existing row in the table. I've scoured my code but can't find anything that would cause the tableview to know when the first item is added, but none afterwards. Any ideas? EDIT - I have further narrowed my issue so will close this shortly and post a more specific question

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  • Copy/Paste functionality in UITableViewController.

    - by Simon
    Hi.. I have a UITableViewController. I want to pop the copy/paste menu up when the user touches a cell. How to implement this functionality. Can someone help me. I tried this code, UIMenuController *theMenu = [UIMenuController sharedMenuController]; [theMenu setTargetRect:CGRectMake(10, 200, 100, 40) inView:[self tableView]]; [theMenu setMenuVisible:YES animated:YES]; But it doesn't work. My question is, What CGRect I have to pass as the setTargetRect parameter? Do I need to call SetNeedsDisplayInRect in my TableViewController? What else to do to make this work?

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  • wxpython PyGridTableBase

    - by nozkan
    Hi, I want to use editable choice editor with PyGridTableBase. When I edit a cell it is crashing What is error in my code? My python code: import wx import wx.grid as gridlib class MyTableBase(gridlib.PyGridTableBase): def __init__(self): gridlib.PyGridTableBase.__init__(self) self.data = {0:["value 1", "value 2"], 1:["value 3", "value 4", "value 5"]} self.column_labels = [unicode(u"Label 1"), unicode(u"Label 2"), unicode(u"Label 3")] self._rows = self.GetNumberRows() self._cols = self.GetNumberCols() def GetColLabelValue(self, col): return self.column_labels[col] def GetNumberRows(self): return len(self.data.keys()) def GetNumberCols(self): return len(self.column_labels) def GetValue(self, row, col): try: if col > self.GetNumberCols(): raise IndexError return self.data[row][col] except IndexError: return None def IsEmptyCell(self, row, col): if self.data[row][col] is not None: return True else: return False def GetAttr(self, row, col, kind): attr = gridlib.GridCellAttr() editor = gridlib.GridCellChoiceEditor(["xxx", "yyy", "zzz"], allowOthers = True) attr.SetEditor(editor) attr.IncRef() return attr class MyDataGrid(gridlib.Grid): def __init__(self, parent): gridlib.Grid.__init__(self, parent, wx.NewId()) self.base_table = MyTableBase() self.SetTable(self.base_table) if __name__ == '__main__': app = wx.App(redirect = False) frame = wx.Frame(None, wx.NewId(), title = u"Test") grid_ = MyDataGrid(frame) frame.Show() app.MainLoop()

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  • What should I do that GWT use <th> instead of <td>?

    - by Paulus
    To build a HTML table I use direct DOM instead of a predefined Widget to set thead and tbody. But when I insert a cell with the insertCell() method GWT inserts an td element but should insert an th element. So TableElement table = Document.get().createTableElement(); TableSectionElement thead = table.createTHead(); TableRowElement headRow = thead.insertRow(-1); headRow.insertCell(-1).setInnerText( "header1" ); gives table/thead/tr/td but should give table/thead/tr/th Any idea how to solve this problem? Use the "old-school" DOM.createXXX()-Methods?

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  • Exception if there is IBOutlet in view controller created by initWithNibName

    - by Kail
    When I create a Navigation-based application, the second view controller is created with initWithNibName, if I add a label onto the second view and connect it with IBOutlet in the second view controller. After I navigate to the second view by clicking table cell, and then back to the root view, the application aborts - send message retainCount to a freed object. I know this is caused by the IBOutlet label, which is retained, set nil in viewDidUnload and dealloc in dealloc. But I don't know why, and if I wanna still use IBOutlet, what can I do? Not dealloc it in viewcontroller's dealloc? Anybody could help? Thank you.

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  • How to use database to generate multiple folder content page?

    - by VenomVipes
    Scenario :I am trying to build a Mobile Entertainment Portal. It will enable users to download Music & Movies to their Cell Phones... Problem Exp : Suppose I upload 100 folders of Songs, each folder is for one Album. I want a way to generate a page with all the folders name (Album Name) in it. If user click on the page, they should be taken to a page where they get list of all songs in the album. Clicking on any song name will let them download it. Can it be done anyway or will I have to manually design each of the 3 pages for each album. If I do that, its time consuming and also will be difficult to change anything like footer, header...

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  • How can we block the user from unchecking a DataGridView checkbox?

    - by hawbsl
    We have a DataGridViewCheckBox column bound to a boolean property in our class. The property setter has some logic which says that under certain conditions a True flag cannot be changed, ie, it stays checked forever. This is on a per record basis. So the entire column can't be readonly, only certain rows. Pseudo code: Public Property Foo() As Boolean Get Return _Foo End Get Set(ByVal value As Boolean) If _Foo And Bar And value = False Then //do nothing, in this scenario once you're true, you stay true Else _Foo = value End If End Set End Property Databinding is handling all of this fine, except that the checkbox is visibly cleared when it's clicked. Then, of course, when the binding / setter is fired (as you move off that cell) it is restored to its checked status per the underlying logic. Ultimately it doesn't matter too much but it's a clumsy bit of UI. How can we intercept the user's click and keep it checked?

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  • HTML: When i hide a textbox in a Table, is it expected that the table reformats the space?

    - by Michel
    Hi, i have a input type=text in a table (in a TD actually) When a user clicks a checkbox, the input is hidden with Jquery (via the hide method) This makes the style of the input to "display:none;" So far so good. Now, when that has happened, the row where the cell is in is shrunk (the height is lowered) because the only thing left in the row is a <span>, which height is lower than the input height. The net result of this is that the row gets smaller, and when you click the checkbox again the input re-appers and the row gets larger. That doesn't look so nice, so i wondered if there was a way to prevent this? And second: is this the way it should work (the table resizing)?

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  • What is prefered stratigies for cross browser and multiple styled table in CSS

    - by jitendra
    in default css what should i predefined for <table>, td, th , thead, tbody, tfoot I have to work in a project there are so many tables with different color schemes and different type of alignment like in some table , i will need to horizontally align data of cell to right, sometime left, sometime right. same thing for vertical alignment, top, bottom and middle. some table will have thin border on row , some will have thick (same with column border). Some time i want to give different background color to particular row or column or in multiple row or column. So my question is: What code should i keep in css default for all tables and how to handle table with different style using ID and classes in multiple pages. I want to do every presentational thing with css. How to make ID classes for everything using semantic naming ? Which tags related to table can be useful?

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  • VM load and ping problems after replacing server motherboard

    - by Andre
    Recently, we had to replace the motherboard of one of our servers. The procedure was done by IBM as it had guarantee. The server runs ESXi 5.1, with several virtual machines, including our main mail server (Domino) and a file server. After the replacing the motherboard and staring the VMs, ESXi asked us if we had moved it or copied (different motherboard is like a different computer). We clicked the latter. We started each machine and after some basic reconfiguration, all of them were up. However, we have been having problems with the mail server, it has been acting really slow at times (this could be when it syncs with the secondary mail server) and we have been checking with Centreon (a Nagios frontend) that its CPU load has been a bit high at times and ping response too. There was a moment this morning in which I tried connecting via SSH console and it was really slow to show login and basic commands like ifconfig and top. This particular mail server is a CentOS 4.4.7 64-bit. The little configuring we had to do after restarting it was to configure the network connection as it was resolving through DHCP. Our mail software is Lotus Notes server 9. Do you know of any way in which this replacement may be causing these difficulties, and how to fix it? Thanks.

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  • Cast Object to JTable?

    - by Chris
    I am trying to implement a ListSelectionListener for some of my JTables. Simply (at the moment) the ListSelectionListener is supposed to simply return the text of the cell that was selected. My program design has several JTables and I would like to have one ListSelectionListener work for them all. In the valueChanged event of the ListSelectionListener I thought it was possible to do something like: private class SelectionHandler implements ListSelectionListener { public void valueChanged(ListSelectionEvent e) { JTable table = (JTable)e.getSource(); String data = (String) table.getValueAt(table.getSelectedRow(), 0); // Print data } } But when I do this I a ClassCastException error. Is there a way to do something like this? One solution I thought of was to compare the source of the event (e.getSource()) to all my JTables to see if they were equivalent (big if block) and then just calling .getValueAt inside that block but that would making the code in the future difficult if tables were to be added or removed.

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  • Issues with format in reporting services

    - by Greg Lorenz
    In a report a have a cell that contains a System.Decimal type value. I am using the cells format property to format the value to "D2". This works in VS but not when I run the report on the report server or in my application. If I switch the format string to "0.00" then it works. The confusing part is that it seems that sometimes it works and sometimes it doesn't. Does anyone have any viable explaination for this? I'm not particularly confortable with saying "sometimes it works and sometimes it doesn't"! Is this something that might happen when you have a report written in VS2005 but is running using sql server 2008. I ask because I noticed that when we run the report in our application which is using sql server 2005 it works fine but when we run it against the application where the report is VS2005 and the sql server is 2008 that is where the issue occurs. Thanks.

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  • SQL returns non-array value in PHP

    - by DeadMG
    $request = 'SELECT * FROM flight WHERE Id = \''.$_SESSION['LFLightRadio'].'\''; $data = mysql_fetch_array(mysql_query($request, $SQL)); echo '<table class="table">'; foreach($data as $key => $value) { echo '<th class="head" align="center" height="19">'.$key.'</th>'; } echo '<tr>'; foreach($data as $key => $value) { echo '<td class="cell" align="center" height="19">'.$value.'</td>'; } echo '</tr></table>'; I know that the LFlightRadio value is set, and is a value returned by the Id value of a previously returned row from the flight database. So within "flight", a record definitely exists with this Id. But, this still gives me a non-array result, so that when I try to use foreach on it, it errors out. Suggestions?

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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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  • How do I close a form when the ESC key was hit, but only if no Control handled it?

    - by Gabriel
    I have a Form that closes itself when the ESC key is pressed, thanks to KeyPreview, ProcessKeyEventArgs, ProcessCmdKey or whatever. But I have a Control on that form that does very relevant things when ESC is pressed (it hides itself) and the Form should not be closed when that happens. The control uses the KeyDown event and sets the SuppressKeyPress flag to true, but that happens after the aforementioned form key preview, thus having no effect. Is there some sort KeyPostview ? How do I not close the form when a Control has a relevant use of a key hit ? Edit: The control handling ESC is a textbox embedded in a hand-maid ListView. The textbox appears when the user clicks a cell, enabling edition. To validate the new text, ENTER would be nice (that already works, as giving the focus to anything else). To cancel edition, ESC seems most natural.

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  • How to loop in excel without VBA or macros?

    - by Jeff
    Is there a better way for me to write this formula? Did some googling on "excel loops," but no luck. I don't have VBA or macros installed (it's not an option to install them, unfortunately). =IF('testsheet'!$C$1 <= 99,'testsheet'!$A$1,"") & IF('testsheet'!$C$2 <= 99, 'testsheet'!$A$2,"") & IF('testsheet'!$C$3 <= 99, 'testsheet'!$A$3,"") & ... and so on through !$C$40, !$A$40 ... As it is, I'll have to repeat the above code 40 times in each cell and I have over 200 cells which need the code. sniff I'm pretty good with PHP/SQL, but just learning Excel.

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  • How taxing would a game map grid be to a web browser?

    - by Vilx-
    Suppose we're making a strategy game (think Civilization) in a web browser. The game has a visible map portion - say 30x30 squares. Each square is 30x30px and has several overlaid images - the terrain, resources, units, roads, etc. The classical way of drawing this would be with a huge <table> where each cell would contain absolutely positioned images. It would probably be rendered in Javascript to reduce traffic. But it's still several thousand images and a huge table. Can the browser take it? Will the performance not drop below any acceptable limits? Alternatively I could keep a pre-rendered map image with as many overlays as possible, but that would be more work, I think.

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  • [C++] Is it possible to use threads to speed up file reading ?

    - by Mister Mystère
    Hi there, I want to read a file as fast as possible (40k lines) [Edit : the rest is obsolete]. Edit: Andres Jaan Tack suggested a solution based on one thread per file, and I want to be sure I got this (thus this is the fastest way) : One thread per entry file reads it whole and stocks its content in a container associated (- as many containers as there are entry files) One thread calculates the linear combination of every cell read by the input threads, and stocks the results in the exit container (associated to the output file). One thread writes by block (every 4kB of data, so about 10 lines) the content of the output container. Should I deduce that I must not use m-mapped files (because the program's on standby waiting for the data) ? Thanks aforehand. Sincerely, Mister mystère.

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  • Why does UITableViewCell have a contentView property?

    - by mystify
    What's the point of this contentView property? I mean: Why aren't all the subviews just added to self? Let me get that right: Every cell is a view (UITabvleViewCell is a UIView subclass). And this fat view has another fat view with same bounds sitting on top of it, called contentView. That contentView then carries all those other subviews. Now why didn't they save that extra chunk of memory? Is there any genius logic behind this decision? Would love to understand the reason for this.

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