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  • Remove characters after specific character in string, then remove substring?

    - by sah302
    I feel kind of dumb posting this when this seems kind of simple and there are tons of questions on strings/characters/regex, but I couldn't find quite what I needed (except in another language: http://stackoverflow.com/questions/2176544/remove-all-text-after-certain-point). I've got the following code: [Test] public void stringManipulation() { String filename = "testpage.aspx"; String currentFullUrl = "http://localhost:2000/somefolder/myrep/test.aspx?q=qvalue"; String fullUrlWithoutQueryString = currentFullUrl.Replace("?.*", ""); String urlWithoutPageName = fullUrlWithoutQueryString.Remove(fullUrlWithoutQueryString.Length - filename.Length); String expected = "http://localhost:2000/somefolder/myrep/"; String actual = urlWithoutPageName; Assert.AreEqual(expected, actual); } I tried the solution in the question above (hoping the syntax would be the same!) but nope. I want to first remove the queryString which could be any variable length, then remove the page name, which again could be any length. How can I get the remove the query string from the full URL such that this test passes?

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  • How to select text, but not images, in CSS

    - by thinkswan
    Simple question: I have the following markup... <a href='#'> <img src='icon.png'> This is the link </a> I want to have the text become underlined on mouseover. What is the CSS selector for selecting only the text in that <a> element and nothing else? I'd rather not wrap it in anything if I don't have to. a:hover { text-decoration: none; } a:hover <select_text_here> { text-decoration: underline; }

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  • Class Design - Returning a List<Object> From <Object>

    - by Mike
    Given a simple class: public class Person { public string FirstName; public string LastName; public string GetFullName() { return FirstName + LastName; } } The user of this class will populate a List<Person> object by reading an Xml file or some other data source. Should the logic for populating the List be in the Person class or should it just remain in the calling class? In other words, should there be a public List<Persons> GetPersons() method in the Person class or in the calling class? Or should the data accessor be in another class altogether? I know this is a rather simplistic question but I'm just curious how others typically do it.

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  • Java Classpath Problems in Ubuntu

    - by Travis
    First off I'm running Ubuntu 9.10 I've edited the /etc/environment file to look like this: PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" JAVA_HOME="/usr/lib/jvm/java-6-sun-1.6.0.20" CLASSPATH="/home/travis/freetts/lib/freetts.jar:/home/travis/freetts/lib/jsapi.jar:." I then run "source /etc/environment" to make sure the changes are included. Then I try compiling my simple test program using this: javac Test.java It throws out a few errors, but when I compile like this: javac -cp /home/travis/freetts/lib/freetts.jar:/home/travis/freetts/lib/jsapi.jar:. Test.java It works just fine, this leads me to believe that for some reason javac isn't seeing the CLASSPATH environment variable? I can echo it and everything in the terminal: echo $CLASSPATH gives me what I put in. Any help on this would be greatly appreciated.

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  • Can the same CriteriaBuilder (JPA 2) instance be used to create multiple queries?

    - by pkainulainen
    This seems like a pretty simple question, but I have not managed to find a definitive answer yet. I have a DAO class, which is naturally querying the database by using criteria queries. So I would like to know if it is safe to use the same CriteriaBuilder implementation for the creation of different queries or do I have to create new CriteriaBuilder instance for each query. Following code example should illustrate what I would like to do: public class DAO() { CriteriaBuilder cb = null; public DAO() { cb = getEntityManager().getCriteriaBuilder(); } public List<String> getNames() { CriteriaQuery<String> nameSearch = cb.createQuery(String.class); ... } public List<Address> getAddresses(String name) { CriteriaQuery<Address> nameSearch = cb.createQuery(Address.class); ... } } Is it ok to do this?

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  • Freehand drawing with Quartz 2D

    - by qutaibah
    I am trying to develop a simple freehand-drawing app for red-marking some of my images. Below is a method that is called from within the drawRect. I want to ask if there is a way to avoid add the path every time the path is redrawn? Also, the way the draw method is set up, the drawing gets a bit slow and choopy after a few seconds. How can I improve the smoothness of the drawn path? thanks -(void)freehandDraw:(CGContextRef)context inRect:(CGRect)rect { CGPathAddLineToPoint( path, NULL, drawTip.x, drawTip.y); CGContextAddPath( context, path); CGContextStrokePath(context); } // method

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  • Objective-C (iPhone) Memory Management

    - by Steven
    I'm sorry to ask such a simple question, but it's a specific question I've not been able to find an answer for. I'm not a native objective-c programmer, so I apologise if I use any C# terms! If I define an object in test.h @interface test : something { NSString *_testString; } Then initialise it in test.m -(id)init { _testString = [[NSString alloc] initWithString:@"hello"]; } Then I understand that I would release it in dealloc, as every init should have a release -(void)dealloc { [_testString release]; } However, what I need clarification on is what happens if in init, I use one of the shortcut methods for object creation, do I still release it in dealloc? Doesn't this break the "one release for one init" rule? e.g. -(id)init { _testString = [NSString stringWithString:@"hello"]; } Thanks for your helps, and if this has been answered somewhere else, I apologise!! Steven

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  • SQL DATEDIFF Not working!?

    - by James
    Hi all, I am running a simple DATEDIFF query but it doesn't seem to calculate the days properly or i'm doing something wrong. If I run PRINT DATEDIFF(Day, 2010-01-20, 2010-01-01) RETURN 19 Which is correct. If i change the month in the first date to Feb (02) I get something strange. PRINT DATEDIFF(Day, 2010-02-20, 2010-01-01) RETURN 20 Now shouldn't it be 48 or something? Can anyone see what i'm doing wrong or is this not the correct function to be using if I want the No of days between these dates? I've tried taking one date from the other: PRINT (2010-02-20) - (2010-01-01) RETURN -20 Any help much appreciated. Thanks J.

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  • Memory Allocation Profiling in C++

    - by Amit Kumar
    I am writing an application and am surprised to see its total memory usage is already too high. I want to profile the dynamic memory usage of my application: How many objects of each kind are there in the heap, and which functions created these objects? Also, how much memory is used by each of the object? Is there a simple way to do this? I am working on both linux and windows, so tools of any of the platforms would suffice. NOTE: I am not concerned with memory leaks here.

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  • Displaytag caption not working

    - by Neeraja
    I am using displaytag to render data, I have it working without any issues. As soon as I use display:caption I get JSP compilation error with the below message. Am I missing anything? I thougt including caption would be simple. If I remove display:caption everything works fine. aaaaa.jsp:527:14: This tag is not recognized. This is the table caption Jsp code: This is the table caption Setup Displaytag1.2 Web-inf/lib Displaytag-1.2.jar Displaytag-export-poi-1.2.jar Displaytag-portlet-1.2.har Itext-1.3.jar Itext-2.0.5.jar WEB-INF/tlds Displaytag.tld Displaytag-12.tld Displaytag-el.td

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  • Server Security

    - by mahatmanich
    I want to run my own root server (directly accessible from the web without a hardware firewall) with debian lenny, apache2, php5, mysql, postfix MTA, sftp (based on ssh) and maybe dns server. What measures/software would you recomend, and why, to secure this server down and minimalize the attack vector? Webapplications aside ... This is what I have so far: iptables (for gen. packet filtering) fail2ban (brute force attack defense) ssh (chang default, port disable root access) modsecurity - is really clumsy and a pain (any alternative here?) ?Sudo why should I use it? what is the advantage to normal user handling thinking about greensql for mysql www.greensql.net is tripwire worth looking at? snort? What am I missing? What is hot and what is not? Best practices? I like "KISS" - Keep it simple secure, I know it would be nice! Thanks in advance ...

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  • Reverse engineering to get answers

    - by cornjuliox
    So I've spent the last few days looking for a way to create a simple image drawing app with wxPython, and I think the key to doing just that is understanding how to use Device Contexts. The problem is that the wxPython demo program doesn't demonstrate DCs, and the docs for both wxPython and wxWidgets don't explain as much as I'd like to know so I've decided to try and 'reverse engineer' an existing app to see how its done. The first problem I have is that I don't know of any drawing apps written in wxPython (or any written in Python for that matter o.o), and the second is I don't know how I'd go about doing it. Am I right in saying that I'm going to need a copy of an application's Python source and something like Winpdb? What do professional programmers do when they find themselves in a situation like mine, needing answers that the docs don't provide?

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  • Rails migration to add boolean column to Postgres on Heroku

    - by pmc255
    I'm trying to execute a simple Rails migration to add a boolean column to an existing table. Here's the add_column call: add_column :users, :soliciting, :boolean, :null => false, :default => false However, after the migration runs (successfully, with no errors), I don't see the new column. If I go into the console and list the columns on the User table, for example, with this command: >> User.columns.each { |c| puts "#{c.name} : #{c.type}" } All the other columns show up, but not the one I just added with the migration. What's even more strange is that looking up a random user object yields the Postgres version of booleans (Ruby strings) >> User.find(1).soliciting => "t" However, the existing boolean columns all show up with standard Ruby boolean values of true and false. What's going on here? Is the migration actually complete? Why doesn't the column show up, yet is accessible in the model objects?

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  • Is there a fingerprint reader api/sdk?

    - by Nir
    I need to read the user's fingerprint from my application. What I really want is a simple SDK that works with a lot of inexpensive fingerprint readers but I can deal with something that works only with one specific model if that model is cheap and available worldwide. And it has to be royalty-free, I can pay for a development license but if I have to pay for each installation I just can't use it. What I'm doing has no relation to login or encryption, so the software included with the reader will probably be useless to me.

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  • WPF Animation on scrollviewer children clipped by scrollviewer

    - by Becky Franklin
    Hey folks, I'm hoping I have a fairly simple problem that can be fixed easily as it seems like I'm just missing something basic from the WPF world. I have a scrollviewer wrapping a stackpanel which contains several images, these images have animations to increasing in size when the mouse passes over them. All works fine without the scrollviewer, now I've added the scrollviewer, the animation works but only inside the scrollviewer; the increasing size isn't being allowed to overlap the scrollviewer. Is there a way to fix this? Thanks, Becky

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  • CSS Position Absolute constant top margin

    - by Brian
    This question sounds simple but I'm an expert with CSS and I'm thinking it's impossible (a RARE thing). Is it possible to use CSS to give a a page a constant top margin if that div has no background (e.g. you can see through it)? Basically, I want the background image to be visible in the top 100px of a site, so that even when scrolling down, that top-margin remains in place. You can look at some live code here: http://cl.ly/40oY Here's a little infographic of what I'm attempting to do: http://cl.ly/40xt Thanks!

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  • Asp.Net Mvc JQuery ajax input parameters are null

    - by Dofs
    Hi, I am trying to post some data with jQuery Ajax, but the parameters in my Ajax method are null. This is simple test to send data: var dataPost = { titel: 'titel', message: 'msg', tagIds: 'hello' }; jQuery.ajax({ type: "POST", url: "Create", contentType: 'application/json; charset=utf-8', data: $.toJSON(dataPost), dataType: "json", success: function(result) { alert("Data Returned: "); } }); And my Ajax method looks like this: [HttpPost] public ActionResult Create(string title, string message, string tagIds) {... } There is something basic wrong with the data I send, but I can't figure out what. All the time the title, message and tagIds are null, so there is something wrong with the encoding, I just don't know what. Note: The jQuery.toJSON is this plugin

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  • Updating Visual FoxPro from SQL Server

    - by David Stein
    I'm trying to update some simple Visual FoxPro tables with SQL Server. I've created a linked server with the following: sp_addlinkedserver @server = 'UTIL', @srvproduct = 'VFP', @provider = 'VFPOLEDB', @datasrc = 'L:\M2MDATA\Util\util.dbc' GO And the following works: select * from UTIL...utcomp However, I cannot use the following statement: update util...utcomp set fmaddress = '123 Elvis Dr.' where fcsqldb = 'M2MDATA01' I receive the error: OLE DB provider "VFPOLEDB" for linked server "util" returned message "Multiple-step OLE DB operation generated errors. Check each OLE DB status value, if available. No work was done.". Msg 7333, Level 16, State 2, Line 2 Cannot fetch a row using a bookmark from OLE DB provider "VFPOLEDB" for linked server "util". I have the latest version (9.0) installed so I should have the latest provider. Am I doing something wrong? Is it not possible to update VFP from SQL?

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  • ASP.Net MVC Keeping action parameters between postbacks

    - by Matt
    Say I have a page that display search results. I search for stackoverflow and it returns 5000 results, 10 per page. Now I find myself doing this when building links on that page: <%=Html.ActionLink("Page 1", "Search", new { query=ViewData["query"], page etc..%> <%=Html.ActionLink("Page 2", "Search", new { query=ViewData["query"], page etc..%> <%=Html.ActionLink("Page 3", "Search", new { query=ViewData["query"], page etc..%> <%=Html.ActionLink("Next", "Search", new { query=ViewData["query"], page etc..%> I dont like this, I have to build my links with careful consideration to what was posted previously etc.. What I'd like to do is <%=Html.BuildActionLinkUsingCurrentActionPostData ("Next", "Search", new { Page = 1}); where the anonymous dictionary overrides anything currently set by previous action. Essentially I care about what the previous action parameters were, because I want to reuse, it sounds simple, but start adding sort and loads of advance search options and it starts getting messy. Im probably missing something obvious

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  • Visual Basic 2010: How to make window/form become active foreground?

    - by hervard
    I'm using Visual Basic 2010 Express. I have a form that can be minimized. There's also a tray icon. I've coded it so that if you double-click on the tray icon, the form's FormWindowState becomes set to Normal; this restores the form to where it to where it was before it became minimized, but the form does not become the active window on my desktop. How can I make the form become the active most foreground window? I've tried various functions that I can think of but no luck yet. Tried searching with various queries to try and find the right wording but no luck. I'm new to Visual Basic - only started a couple hours ago. Probably something simple but I can't seem to find the correct function or anything... Please enlighten me! Thanks.

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  • CSS - 100% Height Layout with Variable Height Header

    - by Brian D.
    The layout I want to achieve is pretty simple. I want a 100% height layout with a header, and below the header I will have a side bar for navigation and then the content area beside the navigation bar (2-column with header). I can easily do this if I give the header a specified height but I want the header to just take up as much room as is needed. Does anyone know how to do this? Is it possible without knowing the height of the header? Thanks for any help.

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  • C++ pass enum as parameter

    - by Spencer
    If I have a simple class like this one for a card: class Card { public: enum Suit { CLUBS, DIAMONDS, HEARTS, SPADES }; Card(Suit suit); }; and I then want to create an instance of a card in another file how do I pass the enum? #include "Card.h" using namespace std; int main () { Suit suit = Card.CLUBS; Card card(suit); return 0; } error: 'Suit' was not declared in this scope I know this works: #include "Card.h" using namespace std; int main () { Card card(Card.CLUBS); return 0; } but how do I create a variable of type Suit in another file? Thanks, Spencer

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  • Creating a form for editing embedded documents with MongoMapper

    - by Luke Francl
    I'm playing around with MongoMapper but I'm having trouble figuring out how to create a form for an object that has embedded documents. With ActiveRecord, I'd use fields_for but when asked if this would be supported a few months ago, MongoMapper author John Nunemaker wrote: "Nope and nope. It is really [not] that hard with attr_accessor's." OK, fair enough, but how do you write the form for this to work? I'm not interested in using the nested form implementations that are out there because I want to do this the "normal" way as I'm learning about MongoMapper. My model is simple enough - I've got a Person with embedded documents for email addresses, phone numbers, etc. I do not care about updating existing embedded documents. They can be re-created from the form input each time a Person is edited.

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  • How to get default Ctrl+Tab functionality in WinForms MDI app when hosting WPF UserControls

    - by jpierson
    I have a WinForms based app with traditional MDI implementation within it except that I'm hosting WPF based UserControls via the ElementHost control as the main content for each of my MDI children. This is the solution recommended by Microsoft for achieving MDI with WPF although there are various side effects unfortunately. One of which is that my Ctrl+Tab functionality for tab switching between each MDI child is gone because the tab key seems to be swallowed up by the WPF controls. Is there a simple solution to this that will let the Ctrl+tab key sequences reach my WinForms MDI parent so that I can get the built-in tab switching functionality?

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  • Should my connected web parts support IWebPartField, IWebPartRow and IWebPartData?

    - by Javaman59
    I've been writing some simple webparts, and they communicate via a custom interface type. That's working fine. I've got one ConnectionProvider, with a variety of ConnectionConsumers. I see that the OOTB SharePoint webparts provide many standard connections, apparently through IWebPartField and IWebPartRow (IWebPartData seems less supported). I've tried to add a IWebPartRow interface to a provider, and found that it's not actually useful (apparently), unless it's shareing data that the OOTB components use, such as images, urls and users. Well, that's the impression I got, anyway... I've only done a quick experiment, and found it quite difficult to implement and test. Is there any point in spending time trying to add support for the standard webpart interfaces?

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