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• Using the C Cluster library in Visual C++.

  - by Stefan K.

  Right so i'm trying to use a C library in C++, never actually done this before i thought it would be a case of declaring the header includes under a extern "C" and setting the compile as flag to "default" but i'm still getting linker errors and think that the header file might have to be complied as a DLL. I have no idea really. Is it the library that's the problem or is it me? There are some make files in the cluster-1.47\src, but i don't know how or if they relate to "cluster.h". I've uploaded a visual studio 2008 project for anyone to take a gander, any help would be appreciated as i've been hitting my head against the wall for time now. thanks Stefan Link to Visual Studio 2008 Project

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• php search and replace

  - by Dave

  I am trying to create a database field merge into a document (rtf) using php i.e if I have a document that starts Dear Sir, Customer Name: [customer_name], Date of order: [order_date] After retrieving the appropriate database record I can use a simple search and replace to insert the database field into the right place. So far so good. I would however like to have a little more control over the data before it is replaced. For example I may wish to Title Case it, or convert a delimited string into a list with carriage returns. I would therefore like to be able to add extra formatting commands to the field to be replaced. e.g. Dear Sir, Customer Name: [customer_name, TC], Date of order: [order_date, Y/M/D] There may be more than one formatting command per field. Is there a way that I can now search for these strings? The format of the strings is not set in stone, so if I have to change the format then I can. Any suggestions appreciated.

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• Can profiler templates be migrated to newer versions of SQL Profiler?

  - by EBarr

  Is it possible to migrate Profiler templates to newer versions of SQL Server? In my case I want to take my SQL 2008 templates to 2012. I've tried (1) a straight file copy and (2) an export/import. In both cases the older templates run, but cannot be modified. Modifications result in the following error: I've got a bunch of custom templates and I'm trying to avoid recreating them by hand. Although, I guess that is the fallback position. Thoughts?

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• How to write following MongoDB query in C# Driver?

  - by user3043457

  I wrote the exact query I need in Mongo console, but I'm having trouble rewriting it in C# driver. Here's a sample of the document, it's simple dictionary: { "_id" : ObjectId("539716bc101c588f941e2c27"), "_t" : "DictionaryDocument", "CsvSeparator" : ",", "SelectedAccounts" : "0", ... } Here's the query: db.settings.find({"SelectedAccounts" :{$exists:true}},{"SelectedAccounts":1, "_id":0} ) Now, I got the first part, Find with exists working, but how to write the second parameter in C# driver? I'd just like a single string as a result, not entire document. Here's C# code I got so far: _collection.FindOneAs(typeof(DictionaryDocument), Query.Exists(key)); key in this case is "SelectedAccounts". I'd like the query to filter and return only the data I need, I don't want to return all the results and search on the C# side. EDIT: I wouldn't mind if _id was passed back, but I don't need it. So only this part would work if it could be converted in C#: db.settings.find({"SelectedAccounts" :{$exists:true}},{"SelectedAccounts":1} )

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• Question about Radio button/PHP/MySQL

  - by Marcelo

  Hi, I'm an engineering student and I'm developing a simple software based on HTML, PHP and mysql. I learned this topics on w3schools. I know only the basics. I tried to search about this in this website but I found questions about PHP, MySQL and HTML radio buttons which were much more complex than I need and that I could understand. Sorry for the English. (Q1) Ex: $email=$_REQUEST['email'] , in this case the input is text, if it where like a radio button for ex: sex: male or female, how would it be? (Q2) what would be the type of this field (for exemple sex in question 1) in the database: text, int, varchar ? Thanks for the attention

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• How to filter Delphi 2010 compiler output (hints)?

  - by Paul-Jan

  I'm trying to get rid of some hints(*) the Delphi compiler emits. Browsing through the ToolsAPI I see a IOTAToolsFilter that looks like it might help me accomplish this through it's Notifier, but I'm not sure how to invoke this (through what xxxServices I can access the filter). Can anyone tell me if I´m on the right track here? Thanks! (*) In particular, H2365 about overridden methods not matching the case of the parent. Not so nice when you have about 5 million lines of active code with a slightly different code convention than Embarcadero's. We've been working without hints for months now, and we kinda miss 'm. :-)

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• If-statement with logical OR

  - by exiter2000

  public class Test{ public static void main(String args[]){ int a = 0; int b = 1; int c = 10; if ( a == 0 || b++ == c ){ a = b + c; }else{ b = a + c; } System.out.println("a: " + a + ",b: " + b + ",c: " + c); } } Ok, this is Java code and the output is a: 11,b: 1,c: 10 And I believe the C acts same as Java in this case That is because second condition(b++ == c) would never executed if the first condition is true in 'OR' operator. There is a "NAME" for this. I just don't remember what it is. Does anyone know what this is called?? Thanks in advance

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• Is there a Delphi standard function for escaping HTML?

  - by Mason Wheeler

  I've got a report that's supposed to take a grid control and produce HTML output. One of the columns in the grid can display any of a number of values, or <Any>. When this gets output to HTML, of course, it ends up blank. I could probably write up some routine to use StringReplace to turn that into &lt;Any&gt; so it would display this particular case correctly, but I figure there's probably one in the RTL somewhere that's already been tested and does it right. Anyone know where I could find it?

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• How can I tell Visual Studio to NOT BREAK on a particular exception?

  - by Noel Kennedy

  I have a particular type of exception that I would like Visual Studio to not catch with the Exception Assistant. Essentially I would like it just to let my normal exception handling infrastructure deal with it. The exception is an inheritor of System.Exception which I wrote and have the source code for. Any where this is thrown I want VS to not catch it, ie it is not useful to just supress a single throw new BlahException(); in code. This is because the exception is thrown a lot, and I don't want to have to supress every single instance individually. In case it makes a difference I am on Visual Studio 2010 Ultimate, Framework 3.5 SP1.

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• What are the Pros and Cons of Cascading delete and updates?

  - by Misnomer

  Hi, Maybe this is sort of a naive question...but I think that we should always have cascading deletes and updates. But I wanted to know are there problems with it and when should we should not do it? I really can't think of a case right now where you would not want to do an cascade delete but I am sure there is one...but what about updates should they be done always? So can anyone please list out the pros and cons of cascading deletes and updates ? Thanks.

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• Distributing a function over a single dimension of an array in MATLAB?

  - by Alex Feinman

  I often find myself wanting to collapse an n-dimensional matrix across one dimension, and can't figure out if there is a concise incantation I can use to do this. For example, when parsing an image, I often want to do something like this. (Note! Illustrative example only. I know about rgb2gray for this specific case.) img = imread('whatever.jpg'); s = size(img); for i=1:s(1) for j=1:s(2) bw_img = mean(img(i,j,:)); end end I would love to express this as something like: bw = on(color, 3, @mean); or bw(:,:,1) = mean(color); Is there a short way to do this?

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• PHP Looping....need some advice

  - by Homer_J

  Hi all, I have the following code: $q1 = $_POST["q1"]; $q2 = $_POST["q2"]; $q3 = $_POST["q3"]; $q4 = $_POST["q4"]; $q5 = $_POST["q5"]; $q6 = $_POST["q6"]; $q7 = $_POST["q7"]; $q8 = $_POST["q8"]; At the moment, this is hard coded and I need to manually change it each time, I'd like to use variables instead so that it's not a manual process. Is it a case of using a loop, while or foreach? If I had the the information $q and q in an array would that help? Thanks, Homer.

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• Why I cant be able to change the UITableViewCell detailTextLabel's frame?

  - by Simon

  Hi.. I am having a table view with default UITableViewCell of style UITableViewCellStyleValue2. I just want to move detailTextLabel few pixels to the right. I know it makes no sense to adjust its width and height :). I am trying to set detailTextLabel's frame with my x and y value. But its not affecting the its frame. I prefer to use default UITableViewCell, in this case, over a customized cell because the default UITableViewCell automatically manages the text alignment and centering of the labels.. How to change UITableViewCell detailTextLabel's frame? Am I allowed to change its frame? Thanks everyone..

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• Use alternative browser with Subversion URLs

  - by Mark Howard

  We have subversion setup with http access through apache at http ://svn.local/ This provides access through svn clients and the standard svn repository browser. We also have a separate repository browser installed at http ://svn-browser.local/ (fisheye in this case). Is it possible to change the subversion/apache server so that browser requests are redirected to the subversion browser, but requests from svn clients go to the subversion server? Essentially, I'd like to use a single URL to identify a resource in both svn clients and the svn browser and be able to copy the url from a svn client into a web browser to have the enhanced functionality provided by the browser.

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• Python - from file to data structure?

  - by Seafoid

  Hi, I have large file comprising ~100,000 lines. Each line corresponds to a cluster and each entry within each line is a reference i.d. for another file (protein structure in this case), e.g. 1hgn 1dju 3nmj 8kfn 9opu 7gfb 4bui I need to read in the file as a list of lists where each line is a sublist, thus preserving the integrity of the cluster, e.g. nested_list = [['1hgn', '1dju', '3nmj', '8kfn'], ['9opu', '7gfb'], ['4bui']] My current code creates a nested list but the entries within each list are a single string and not comma separated. Therefore, I cannot splice the list with indices so easily. Any help greatly appreciated. Thanks, S :-)

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• Azure flexibility in geolocation and specs

  - by bitbitbit

  Hi, I'm reading about Azure and there are a couple of things I don't understand: If I choose put a server on Europe, why can't I move it to another datacenter afterwards? If I choose a size for a worker/web role, could I upgrade it to a bigger one afterwards? I think I've read that I cannot put different instances of a worker/web role with different sizes working together? Am I right? And in affirmative case, why? What is cheaper? a big VM with a nicely multithreaded worker role or multiple single-threaded worker roles in several small VMs? Thanks in advance.

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• Alter a single attribute with XSLT

  - by Pete Montgomery

  Hello! <?xml version="1.0" encoding="utf-8" ?> <configuration> <system.web> <compilation debug="true" defaultLanguage="C#"> <!-- this is a comment --> </compilation> </system.web> </configuration> What's the simplest XSLT you can think of to transform the value of the first, in this case only, /configuration/system.web/compilation/@debug attribute from true to false?

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• Environment variable (NLS_LANG) value altered in Java process?

  - by Ralkie

  This was noticed in some legacy Java application (jre1.4 on HP-UX). Parent process (shell script S1) is starting Java process, which on its own is starting child process (shell script S2). Schematically it's: S1 Java S2. NB! Java application connects to Oracle DB using OCI driver. What is strange here is that process running S1 has environment variable NLS_LANG set to american_america.BLT8MSWIN1257, Java spawns S2 using: Runtime.getRuntime().exec(cmd); and S2 shows that NLS_LANG is set to american_america.UTF8 (!) This happens on some limited-access environment (production), I was not able to reproduce same problem on linux with jre 1.5. AFAIK, Java process should inherit environment from its parrent (S1) and should pass all environment variables to its child S2 (since single argument exec call was used). However, it does not seem to be the case. Any ideas why NLS_LANG appears to be altered?

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• Architecture of a single-page JavaScript web application?

  - by fig-gnuton

  How should a complex single-page JS web application be structured on the client-side? Specifically I'm curious about how to cleanly structure the application in terms of its model objects, UI components, any controllers, and objects handling server persistence. MVC seemed like a fit at first. But with UI components nested at various depths (each with their own way of acting on/reacting to model data, and each generating events which they themselves may or may not handle directly), it doesn't seem like MVC can be cleanly applied. (But please correct me if that's not the case.) -- (This question resulted in two suggestions of using ajax, which is obviously needed for anything other than the most trivial one-page app.)

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• asp.net how to add TemplateField programmatically for about 10 dropdownlist...

  - by dotnet-practitioner

  This is my third time asking this question. I am not getting good answers regarding this. I wish I could get some help but I will keep asking this question because its a good question and SO experts should not ignore this... So I have about 10 dropdownlist controls that I add manually in the DetailsView control manually like follows. I should be able to add this programmatically. Please help and do not ignore... <asp:DetailsView ID="dvProfile" runat="server" AutoGenerateRows="False" DataKeyNames="memberid" DataSourceID="SqlDataSource1" OnPreRender = "_onprerender" Height="50px" onm="" Width="125px"> <Fields> <asp:TemplateField HeaderText="Your Gender"> <EditItemTemplate> <asp:DropDownList ID="ddlGender" runat="server" DataSourceid="ddlDAGender" DataTextField="Gender" DataValueField="GenderID" SelectedValue='<%#Bind("GenderID") %>' > </asp:DropDownList> </EditItemTemplate> <ItemTemplate > <asp:Label Runat="server" Text='<%# Bind("Gender") %>' ID="lblGender"></asp:Label> </ItemTemplate> so on and so forth... <asp:CommandField ShowEditButton="True" ShowInsertButton="True" /> </Fields> </asp:DetailsView> ======================================================= Added on 5/3/09 This is what I have so far and I still can not add the drop down list programmatically. private void PopulateItemTemplate(string luControl) { SqlDataSource ds = new SqlDataSource(); ds = (SqlDataSource)FindControl("ddlDAGender"); DataView dvw = new DataView(); DataSourceSelectArguments args = new DataSourceSelectArguments(); dvw = (DataView)ds.Select(args); DataTable dt = dvw.ToTable(); DetailsView dv = (DetailsView)LoginView2.FindControl("dvProfile"); TemplateField tf = new TemplateField(); tf.HeaderText = "Your Gender"; tf.ItemTemplate = new ProfileItemTemplate("Gender", ListItemType.Item); tf.EditItemTemplate = new ProfileItemTemplate("Gender", ListItemType.EditItem); dv.Fields.Add(tf); } public class ProfileItemTemplate : ITemplate { private string ctlName; ListItemType _lit; private string _strDDLName; private string _strDVField; private string _strDTField; private string _strSelectedID; private DataTable _dt; public ProfileItemTemplate(string strDDLName, string strDVField, string strDTField, DataTable dt ) { _dt = dt; _strDDLName = strDDLName; _strDVField = strDVField; _strDTField = strDTField; } public ProfileItemTemplate(string strDDLName, string strDVField, string strDTField, string strSelectedID, DataTable dt ) { _dt = dt; _strDDLName = strDDLName; _strDVField = strDVField; _strDTField = strDTField; _strSelectedID = strSelectedID; } public ProfileItemTemplate(string ControlName, ListItemType lit) { ctlName = ControlName; _lit = lit; } public void InstantiateIn(Control container) { switch(_lit) { case ListItemType.Item : Label lbl = new Label(); lbl.DataBinding += new EventHandler(this.ddl_DataBinding_item); container.Controls.Add(lbl); break; case ListItemType.EditItem : DropDownList ddl = new DropDownList(); ddl.DataBinding += new EventHandler(this.lbl_DataBinding); container.Controls.Add(ddl); break; } } private void ddl_DataBinding_item(object sender, EventArgs e) { DropDownList ddl = (DropDownList)sender; ddl.ID = _strDDLName; ddl.DataSource = _dt; ddl.DataValueField = _strDVField; ddl.DataTextField = _strDVField; } private void lbl_DataBinding(object sender, EventArgs e) { Label lbl = (Label)sender; lbl.ID = "lblGender"; DropDownList ddl = (DropDownList)sender; ddl.ID = _strDDLName; ddl.DataSource = _dt; ddl.DataValueField = _strDVField; ddl.DataTextField = _strDTField; for (int i = 0; i < _dt.Rows.Count; i++) { if (_strSelectedID == _dt.Rows[i][_strDVField].ToString()) { ddl.SelectedIndex = i; } } lbl.Text = ddl.SelectedValue; } } Please help me....

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• Is a program compiled with -g gcc flag slower than the same program compiled without -g?

  - by e271p314

  I'm compiling a program with -O3 for performance and -g for debug symbols (in case of crash I can use the core dump). One thing bothers me a lot, does the -g option results in a performance penalty? When I look on the output of the compilation with and without -g, I see that the output without -g is 80% smaller than the output of the compilation with -g. If the extra space goes for the debug symbols, I don't care about it (I guess) since this part is not used during runtime. But if for each instruction in the compilation output without -g I need to do 4 more instructions in the compilation output with -g than I certainly prefer to stop using -g option even at the cost of not being able to process core dumps. How to know the size of the debug symbols section inside the program and in general does compilation with -g creates a program which runs slower than the same code compiled without -g?

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• How can I extract and save values from an XML file in Perl?

  - by Freddy

  Here is what I am trying to do in a Perl script: $data=""; sub loadXMLConfig() { $filename="somexml.xml" $data = $xml-XMLin($filename); } sub GetVariable() { ($FriendlyName) = @_; switch($FriendlyName) { case "My Friendly Name" {print $data-{my_xml_tag_name}} .... .... .... } } The problem is I am using Perl just because I am reading from an XML file, but I need to get these variables by a shell script. So, here is what I am using: $ perl -e 'require "scrpt.pl"; loadConfigFile(); GetVariable("My Variable")' This works exactly as expected, but I need to read the XML file every time I am getting a variable. Is there a way I could "preserve" $data across shell calls? The idea is that I read the XML file only once. If no, is there is a more simple way I could do this? These are the things I can't change: Config File is an XML Need the variables in a shell script

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• Linq to NHibernate - How to include parent object and only certain child objects

  - by vakman

  Given a simplified model like the following: public class Enquiry { public virtual DateTime Created { get; set; } public virtual Sender Sender { get; set; } } public class Sender { public virtual IList<Enquiry> Enquiries { get; set; } } How can you construct a Linq to Nhibernate query such that it gives you back a list of senders and their enquiries where the enquiries meet some criteria. I have tried something like this: return session.Linq<Enquiry>() .Where(enquiry => enquiry.Created < DateTime.Now) .Select(enquiry => enquiry.Sender) In this case I get an InvalidCastException saying you can't cast type Sender to type Enquiry. Any pointers on how I can do this without using HQL?

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• ROW_NUMBER Alt in SQL Server 2000

  - by harekam_taj

  Hey Guys, Can anyone please help me with an alt. to ROW_NUMBER in SQL Server 2000. RIGHT now my procedure looks like this in SQL Server 2008 WITH cars as(SELECT carid,mileage,retailprice,imageurl,model,year, Zips.Distance AS Miles, Manufacturers.mfgName as Make,dealers.companyname as companyname, CASE @sortby WHEN 'D' THEN ROW_NUMBER() OVER (ORDER BY Manufacturers.mfgName) WHEN 'P' THEN ROW_NUMBER() OVER (ORDER BY retailprice) WHEN 'M' THEN ROW_NUMBER() OVER (ORDER BY mileage) END as 'rownum' FROM usedcars INNER JOIN #TempZips Zips ON Zips.ZipCode =usedcars.loczip left join Manufacturers on Manufacturers.mfgid=usedcars.mfgid left join dealers on dealers.dealerid = usedcars.dealerid where usedcars.active=1 and usedcars.dealerid=@dealerid) select @totalrecords as totalrec,* from cars where rownum between @skip and @take

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• Memcachedb Versus MongoDB Versus CouchDB in terms of file based caching solution?

  - by Scott Faisal

  We need a caching solution that essentially caches data (text files) anywhere from 3 days up to a week based on user preferences and criteria. In this case memory based caching does not make sense to us. We were referred to MemcacheDB however I also thought of some NO SQL solutions. Our current application uses RDMS (MYSQL) and I guess it makes sense to use MemcacheDB however NOSQL does appeal as it is something more on the horizon. However we have not deployed a production level application under NOSQL and the beta stuff does not settle well with management/investors. Any how what are your thoughts and how would you address it? Thank You

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