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• How do I use Mercurial?

  - by Derek

  I'm assuming Mercurial is for having an updated website and it archiving the old stuff? Easy to test things and such? My question is, how exactly should I get started and can somebody give me a crash course in using Mercurial and using the following techs below: Notepad++ for coding FTP PHP/MySQL Jquery & other js libraries I use windows and would like to keep things fairly simple. I'm developing 1 website currently and want some kind of CVS system in place. Or should I just stick to my current edit file in notepad++ and upload via ftp method and make a backup copy of everything every once and a while? Any thoughts? EDIT: I'm doing http://bugtracker.gttools.com/public/wiki/bluehost/Mercurial right now in order to try and 'install' it.

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• AJAX CascadingDropdown - Setting the selected index

  - by RPM1984

  I have a CascadingDropDown on an ASP.NET page. Now, the prompt text is "Select State". (list of states). However, on a different version of this page (ie querystring), i might want to set the selected index to "California" for example. How can i do this? The web service used by the ajax control (ie GetStates) gets invoked at the same time the jquery document.ready function is triggered (ie asynchronously). So when i try and set the selected index in jquery, the items are not yet bound. Is there a way to attach a handler to the ajax dropdown so that i can set the selected index once the webservice call has completed, and the items are bound?

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• How do I animate a single ChartSeriesItem in a Flex 3 Chart?

  - by Edward Stembler

  Here's my setup... I have a ColumnChart above a DataGrid. When the user clicks on an individual column in the chart, I programmatically select the corresponding cell in the DataGrid. Conversely, if a user clicks a cell on the DataGrid, I select the corresponding column in the Chart and change it's color to haloBlue. This work well, however if possible I’d like to make the column stand out more. Is there a way to animate an individual column and not the entire series? For example, I might like to make the column zoom or expand out and back to it’s original size once selected. Or, if this is not possible, can a stroke be added to only the selected column and not the entire series? Anyone have any ideas? Thanks!

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• What ASP.NET MVC project files should I not add to Subversion

  - by Dan

  this is likely a naive question, but I want to do this right the first time. I have a MVC solution which has the following: Data project - C# Services project - C# MVC Web Project - ASP.NET MVC Test Project Currently, I am using the MVC2 source as a means to debug my own code. I do not plan on checking that in, but I realize once I go back to the MVC2 DLL, my solution will change. I'm pretty sure I just shouldn't check in stuff that changes with each build: the bin folder on the Web project, for example. Is there a list of what not to commit to source control? :)

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• JavaScript: How can I delay running some JS code until my JS file downloaded?

  - by Henryh

  I have the following code: <script type="text/javascript"> function addScript(url) { var script = document.createElement('script'); script.src = url; document.getElementsByTagName('head')[0].appendChild(script); } addScript('http://example.com/One.js'); addScript('http://example.com/Two.js'); addScript('http://example.com/Three.js'); addScript('http://example.com/Four.js'); ... // run code below this point once Two.js has been downloaded and excuted </script> How can I detect when one of my JavaScript files has been downloaded and executed so that I can use it?

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• Tool to automatically add tracing or instrumentation to an .NET app?

  - by Tony_Henrich

  I have a .NET app which runs once a day. Sometimes there's a logical error somewhere which occurs randomly. Is there a tool like Eqatec's Tracer which automatically injects instrumentation in the code and logs everything to a file? The issue with Eqatec's Tracer is that it opens a window on the machine and it doesn't seem to log. My issue rarely occurs and I need to keep all logs for a long time. I don't want to change the source code and add logging statements all over the place. I am aware of PostSharp & Logfaces.

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• EJB3.1 Remote invocation - is it distributed automatically? is it expensive?

  - by Hank

  I'm building a JEE6 application with performance and scalability in the forefront of my mind. Business logic and JPA2-facade is held in stateless session beans (EJB3.1). As of right now, the SLSBs implement only @Remote-interfaces. When a bean needs to access another bean, it does so via RMI. My reasoning behind this is the assumption that, once the application runs on a bunch of clustered application servers, the RMI-part allows the execution to be distributed across the whole cluster automagically. Is that a correct assumption? I'm fine with dealing with the downsides of that (objects lose entityManager session, pass-by-value), at least I think so. But I am wondering if constant remote invocation isn't adding more load then necessary.

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• Randomly generate sound from onClick and onShake events?

  - by Aaron

  I've literally looked everywhere on the net and found very little clarification on how to do this. Pretty much, I have 8 sound files laid out in an array.xml file and I need to play a randomly chosen file ONCE per or onClick or onShake. First off, what technique should I use to achieve this? ARRAY-RANDOM- STRING-PLAY? RANDOM INT-PLAY? RANDOM INT-STRING-PLAY? Any kind of direction will help greatly cause I'm almost 3 weeks worth of research into this. *NOTE: MediaPlayer mp = MediaPlayer.create(JelloMan.this, R.raw.sound) ...is what I'm stuck on being you can't replace the "R.raw" part with a string...

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• How to query data from a password protected https website using C# .NET

  - by Addie

  I'd like my application to query a csv file from a secure website. I have no experience with web programming so I'd appreciate detailed instructions. Currently I have the user login to the site, manually query the csv, and have my application load the file locally. I'd like to automate this by having the user enter his login information, authenticating him on the website, and querying the data. The application is written in C# .NET. The url of the site is: https://www2.emidas.com/default.asp. I've tested the following code already and am able to access the file once the user has already authenticated himself and created a manual query. System.Net.WebClient Client = new WebClient(); Stream strm = Client.OpenRead("https://www3.emidas.com/users/<username>/file.csv");

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• WPF, Setting property with single value on multiple subcontrols

  - by Andre van Heerwaarde

  I have a parent contentcontrol which displays data via a datatemplate. The datatemplate contains a stackpanel with several usercontols of the same type. I like to set the property only once on the parent control, it must set the value of the property on all the subcontrols. But if there is a way to do it on the stackpanel it's also OK. The template can be changed at runtime and the values need also to be propagated to the new template. My current solution is to implement the property on both parent and subcontrol and use code to propagate the value from the parent to all the subcontrols. My question is: is there a better or other ways of doing this?

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• Enable Query Strings in Code Igniter

  - by tarnfeld

  Hey, I am trying to implement Twitter's OAuth into my Code Igniter web application at which the callback URL is /auth/ so once you have authenticated with Twitter you are taken to /auth/?oauth_token=SOME-TOKEN. I want to keep the nice clean URL's the framework provides using the /controller/method/ style of URL but I want to enable query strings as well, there will only ever be one name of the data oauth_token so it's ok if it has to be hard coded. Any ideas? I have tried tons of the things people are saying to do, but none work :( PS: I'm using the .htaccess method of URL rewriting.

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• Why does PHP overwrite values when I iterate through this array twice (by reference, by value)

  - by jeremy

  If I iterate through an array twice, once by reference and then by value, PHP will overwrite the last value in the array if I use the same variable name for each loop. This is best illustrated through an example: $array = range(1,5); foreach($array as &$element) { $element *= 2; } print_r($array); foreach($array as $element) { } print_r($array); Output: Array ( [0] = 2 [1] = 4 [2] = 6 [3] = 8 [4] = 10 ) Array ( [0] = 2 [1] = 4 [2] = 6 [3] = 8 [4] = 8 ) Note that I am not looking for a fix, I am looking to understand why this is happening. Also note that it does not happen if the variable names in each loop are not each called $element, so I'm guessing it has to do with $element still being in scope and a reference after the end of the first loop.

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• JSF actionListener is called multiple times from within HtmlTable

  - by Rose

  I have a mix of columns in my htmltable: 1 column is an actionlistener, 2 columns are actions and other columns are simple output. <h:dataTable styleClass="table" id="orderTable" value="#{table.dataModel}" var="anOrder" binding="#{table.dataTable}" rows="#{table.rows}" <an:listenerColumn backingBean="${orderEntry}" entity="${anOrder}" actionListener="closeOrder"/ <an:column label="#{msg.hdr_orderStatus}" entity="#{anOrder}" propertyName="orderStatus" / <an:actionColumn backingBean="${orderEntry}" entity="${anOrder}" action="editOrder" / <an:actionColumn backingBean="${orderEntry}" entity="${anOrder}" action="viewOrder"/ .... I'm using custom tags, but it's the same behavior if I use the default column tags. I've noticed a very strange effect: when clicking the actionlistenercolumn, the actionevent is handled 3 times. If I remove the 2 action columns then the actionevent is handled only once. The managed bean has sessionscope, bean method: public void closeOrder(ActionEvent event) { OrdersDto order; if ((order = orderRow()) == null) { return; } System.out.println("closeOrder() 1 "); orderManager.closeOrder(); System.out.println("closeOrder() 2 "); } the console prints the'debug' text 3 times.

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• Formatting a query to enumerate through 2 different datatables

  - by boiler1974

  I have 2 datatables sendTable and recvTable They both have identical column names and numbers of columns "NODE" "DSP Name" "BUS" "IDENT" "STATION" "REF1" "REF2" "REF3" "REF4" "REF5" "REF6" "REF7" "REF8" I need to compare these 2 tables and separate out the mismatches I only need to check Columns 3-11 and Ignore col 1 and 2 I tried at first removing the 2 columns and then loop thru row by row and return matches and mismatches but the problem with this approach is that I no longer have the "NODE" and "DSP Name" associated with the row when I finalize my results So I need help with a query Here is my attempt var samerecordQuery = from r1 in sendTable.AsEnumerable() where r1.Field<int>("BUS").Equals(from r2 in recvTable.AsEnumerable() where r2.Field<int>("BUS")) this obviously doesn't work so how do I format the query to say from r1 cols[3-11] equals r2 cols [3-11] and once I have this I can use the except to pull out the mismatches

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• Single click to activate last tab in windows 7 internet explorer (like FF)

  - by Kirk Hings

  Windows 7 annoyance: the jump lists are fine for hovering over the taskbar items, great go ahead and show me previews of all the open instances and maybe I'll pick the exact one I want. However this works different between IE and FF. Hovering over the FF icon just shows me the single FF window, not any of the tabs I have open. Clicking it means my FF window opens and I'm at the last tab I was on. Great, normal behavior, one click and I'm in. Hovering over the IE icon shows me all the tabs in my single IE window. Ok, but I just want to go back to my last active IE tab. I can't! I am forced to click twice to go back to any IE tab. Sure it's a minor annoyance, but as I'm developing throughout the day I find it more and more annoying. Any ideas to fix so I can just click the IE taskbar icon once and it pulls up the last tab I was on?

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• NSMutableDictionary is adding quotes to keys and values - why?

  - by TimD

  I'm trying to add some additional key/value pairs to an NSMutableDictionary, using: Tag *tag1 = [results1 objectAtIndex:0]; [resultsDict setObject:[tag1 retrieveTextUpToDepth:1] forKey:@"image_url"]; Tag *tag2 = [results2 objectAtIndex:0]; [resultsDict setValue:[tag2 retrieveTextUpToDepth:1] forKey:@"majority"]; This adds the k/v pairs with no problem, except when I come to retrieve them, some of the values have been wrapped with double quotes: po extendedDataDictionary: "image_url" = "/images/mpsL/11727.jpeg"; majority = 3460; Both keys and values are NSStrings, with no quotes - so I'm stumped as to where they're appearing from. Is there any way of preventing this? Or am I going to have to live with it and try to strip off the quotes once I've retrieved the value? Thanks...

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• Arrays & Pointers

  - by Thomas

  Hi, Looking for some help with arrays and pointers and explanation of what I am trying to do. I want to create a new array on the heap of type Foo* so that I may later assign objects that have been created else where to this array. I am having troubles understanding what I am creating exactly when I do something like the following. Foo *(*f) = new Foo*[10]; Also once I have created my array how do I access each element for example. (f + 9)->fooMember(); ?????? Thanks in advance.

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• SQL Group By equivalent

  - by MikeB

  Pretend I have a cupcake_rating table: id | cupcake | delicious_rating -------------------------------------------- 1 | Strawberry | Super Delicious 2 | Strawberry | Mouth Heaven 3 | Blueberry | Godly 4 | Blueberry | Super Delicious I want to find all the cupcakes that have a 'Super Delicious' AND 'Mouth Heaven' rating. I feel like this is easily achievable using a group by clause and maybe a having. I was thinking: select distinct(cupcake) from cupcake_rating group by cupcake having delicious_rating in ('Super Delicious', 'Mouth Heaven') I know I can't have two separate AND statements. I was able to achieve my goal using: select distinct(cupcake) from cupcake_rating where cupcake in ( select cupcake from cupcake_rating where delicious_rating = 'Super Delicious' ) and cupcake in ( select cupcake from cupcake_rating where delicious_rating = 'Mouth Heaven' ) This will not be satisfactory because once I add a third type of rating I am looking for, the query will take hours (there are a lot of cupcake ratings).

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• Java: Stopping a thread that has run for too long?

  - by Thomas King

  Say I've got something like this public void run(){ Thread behaviourThread = new Thread(abstractBehaviours[i]); behaviourThread.start(); } And I want to wait until abstractBehaviours[i] run method has either finished or run for 5000 milliseconds. How do I do that? behaviourThread.join(5000) doesn't seem to do that afaik (something is wrong with my code and I've put it down to that). All the abstract abstractBehaviour class is of course Runnable. I don't want to implement it inside each run method as that seems ugly and there are many different behaviours, I'd much rather have it in the calling/executing thread and do it just once. Solutions? First time doing something as threaded as this. Thanks!

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• Is there a efficient way to do multiple test cases in c?

  - by Ahmed Abdelaal

  I use MS Visual Studio and I am new to C++, so I am just wondering if there is an faster more efficient way to do multiple test cases instead of keep clicking CTRL+F5 and re-opening the console many times. Like for example if I have this code #include <iostream> using namespace std; void main () { int x; cout<<"Enter a number"<<endl; cin>>x; cout<<x*2<<endl; } Is there a way I could try different values of x at once and getting the results together? Thanks

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• Leave approval hierarchy in openERP

  - by Miraj Baldha

  I am new to openERP and facing issues with HR module. I have this structure Project Manager-Team Leader-Developer Team Leader is a manager of developer Project Manager is manager of Team Leader. So, if developer asks for leave then first leave request should be sent to Team Leader (mail notification to Team Leader and Project Manager) and once TL approves Leave then automaitically request sent to Project Manager for second level approval. With openERP 6.1, there is no possibility to approve leave by Team Leader unless and until Team Leader is specified as a HR manager which is inappropriate. Anybody have any solution then let me know. Thanx..

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• Perform manual test, automate after - or never?

  - by dotnetdev

  In my current company, we have one tester. Having spoken to this tester, she says that in testing, before implementing any automation systems, the scripts (steps to take) are manually written and performed (performed at least once). Is this the way things work in testing? To make me laugh, this has been done in this case, yet no automation. It makes me laugh to see the lead tester perform loads of different combinations of usernames and passwords for a login form (which she is not overly keen on having automated) when I could easily automate that (but politics in the company won't allow that). This doesn't seem like the environment where a junior tester (not me, I'm a SDET) cannot learn anything. Thanks

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• Is ORM (Linq, Hibernate...) really that useful?

  - by Peter

  I have been playing with some LINQ ORM (LINQ directly to SQL) and I have to admit I like its expressive powers . For small utility-like apps, It also works quite fast: dropping a SQL server on some surface and you're set to linq away. For larger apps however, the DAL never was that big of an issue to me to setup, nor maintain, and more often than not, once it was set, all the programming was not happening there anyway... My, honest - I am an ORM newbie - question : what is the big advantage of ORM over writing a decent DAL by hand? (seems like a double, couldn't find it though) UPDATE : OK its a double :-) I found it myself eventually : ORM vs Handcoded Data Access Layer

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• non-servlet JSP

  - by h2g2java

  I realise there are EL and near EL frameworks like StringTemplate, JUEL, Velocity, etc. However, I am not asking for list of alternatives to JSTL/EL. I came across a package more than a year ago, someone who wrote a util that emulates the functionality of JSP for non-servlet env, i.e., JSP composition which does not need a "servlet container" to function. I ignored it and now I think it would be helpful to me and I need help to recall what it is. My actual motivation is similar to what StringTemplate, JUEL, Velocity would offer to help me compose SQL blocks, HTML blocks but I am thinking that JSPs are precompiled into bytecode and JSPs are more run-time efficient since run-time parsing is done no more than once. So actually, recommendation for alternatives would be acceptable as long as the templates are precompiled into bytecode. But I still prefer the JSP emulator.

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• Updating/Inserting multiple rows using jQuery and OData (WCF Data Services)

  - by Pieter

  I have three tables, Template, Fields and TemplateFields. TemplateFields holds the selected fields for each template. I need to update TemplateFields when the user is finished selecting the fields. The only way I can see to do this is by deleting all the TemplateFields for that Template and then add them one by one in separate requests. This is really bad because there is not transaction to fall back onto and there will also be MANY requests. Is there a way of adding multiple 'objects' at once using WCF Data Services? I can then use an Interceptor to update the database.

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