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• How to get hudson to display the SCM diff since last build in the individual build page

  - by Steen

  I'm not sure it's even possible, but my command line usecase goes something like this: do svn update do a svn log -l {how many times since my last commit - 1} do a `svn diff -rHEAD:{my last commit revision + 1} and try to get an overview of what happened since last time I touched the code. I get a lot of valuable information from this, and would like everybody in my team to get the same feeling of control and overview of the code base. Not everyone in my team is comfortable with the command line but like the hudson interface. So; is there a way to the the commit diff since last build (we do a build per commit) in the individual build page?

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• Refresh a control on the master page after postback

  - by Andreas

  Hi all! What i am trying to do here is to show a couple of validation messages in form of a bulletlist, so i have a Div on my master page containing a asp:bulletlist. Like this: <div> <asp:BulletedList ID="blstValidationErrorMessage" runat="server" BulletStyle="Disc"> </asp:BulletedList> </div> When i then click the Save button from any of my pages (inside the main contentPlaceHolder) i create a list of messages and give this list as datasouce like this: blstValidationErrorMessage.DataSource = validationMessageCollection; blstValidationErrorMessage.DataBind(); The save button is located inside an updatepanel: asp:UpdatePanel runat="server" ID="UpdatePanel" ChildrenAsTriggers="true" UpdateMode="Conditional" Nothing happens, i can see that the datasource of the bulletlist contains X items, the problems must arise because the Save button is inside an update panel and the elements outside this updatepanel (master page controls for example) is not refreshed. So my question is, how do i make the bulletlist refresh after the postback? Thanks in advance.

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• URL encoded POST bad practice?

  - by StackedCrooked

  I am (just for fun) trying to implement a High Score web-service. I would like it be compatible with REST principles. I want to be able to add a new highscore using url parameters like this http://mydomain.com/hs/add&name=John&score=987. According to REST this must be done using a POST request. Which leads to empty POST request with all data contained in the URL parameters. Would this be considered a bad practice? Update Security is currently not a big concern.

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• php mysql database users connection handling

  - by aviv

  What is the best way to handle mysql database users connection in PHP? I have a web server running a PHP application on MySQL. I have created a database user for the application: dbuser1 with limited access - only for query, insert and update tables. No alter table. Now the question is, should i use the same dbuser1 widely in my scripts, so if there are 100 current people using my system and hence 100 scripts running parallel they all connect to the database with the same dbuser1? or should i create a few users and assign each script a different user or load-balance between the dbusers ?

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• Rotate a feature Image in Open Layers

  - by Ozaki

  I have an open layers map. It adds and removes my "imageFeature" every 10secs or so. I have a JSON feed that gives me the rotation that I need, I have a request to get that rotation and set it as a variable of rotationv. Everything works but the fact when the image is recreated it does not update the rotation. My code is as follows: JSON request: var rotationv = (function () { rotationv = null; $.ajax({ 'async': false, 'global': true, 'url': urldefault, 'dataType': "json", 'success': function (data) { rotationv = data.rotation; } }); return rotationv })(); Creating image feature: imageFeature = new OpenLayers.Feature.Vector( new OpenLayers.Geometry.Point(mylon, mylat), { rotation: rotationv } ); The image is set in the styling elsewhere. Why does this not rotate my image?

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• google maps v3 distance

  - by Shane

  Trying to create a new version of the map functions seen here: http://www.daftlogic.com/projects-google-maps-distance-calculator.htm but using the v3 api. So far I am able to set markers on click and can draw the geodesic polyline. The issues I am currently running into are: Updating the poly-line on marker drag I'm pretty sure I have to put each marker in an array and do a for loop so that I can keep clicking and adding points that will add to the total distance. Properly displaying distance. I have created a jsfiddle: http://jsfiddle.net/wyZyS/ EDIT: I realize I have nothing calling the "update" function. I am trying to create the array for each marker currently. The calculation you see is converting meters to nautical miles.

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• A table that has relation to itself issue

  - by Mostafa

  Hi , I've defined table with this schema : CREATE TABLE [dbo].[Codings]( [Id] [int] IDENTITY(1,1) NOT NULL, [ParentId] [int] NULL, [CodeId] [int] NOT NULL, [Title] [nvarchar](50) COLLATE Arabic_CI_AI NOT NULL, CONSTRAINT [PK_Codings] PRIMARY KEY CLUSTERED ( [Id] ASC )WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY] ) ON [PRIMARY] And fill it up with data like this : Id ParentId CodeId Title ----------- ----------- ----------- ---------- 1 NULL 0 Gender 2 1 1 Male 3 1 2 Female 4 NULL 0 Educational Level 5 4 1 BS 6 4 2 MS 7 4 3 PHD Now , I'm looking for a solution , in order , When i delete a record that is parent ( like Id= 1 or 4 ), It delete all child automatically ( all records that their ParentId is 1 or 4 ) . I supposed i can do it via relation between Id and Parent Id ( and set cascade for delete rule ) , But when i do that in MMS , the Delete Rule or Update Rule in Properties is disabled . My question is , What can i do to accomplish this ? Thank you

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• Is is better to store serialized data or raw html in mysql?

  - by Yegor

  I de-normalized my database, since the application was crawling otherwise, and Im storing a list of categories for each item in the DB as a raw html version, and simply echoing it out in my design. Each category is actually a link, which is include a tag. Naturally, this is abit of a pain, especially if I want to change the look of how the category links are displayed, since I gotta update all the old cached entries. What if I were to store this data as a serialized array instead, and simply unserialize it, and then apply formatting to it in php. Would there be a significant performance decrease over simply echoing out the raw html?

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• NETBEANS JAVADB - How do I integrate a JavaDB DataBase into my main Java Package

  - by Stefanos Kargas

  JAVA I am working on a desktop application which uses JavaDB. I am using NetBeans 6.8 and JDK 6 Update 20 I created the database I need and connected to it through my application using ClientDriver: String driver = "org.apache.derby.jdbc.ClientDriver"; String connectionURL = "jdbc:derby://localhost:1527/myDB;create=true;user=user;password=pass"; try { Class.forName(driver); } catch (java.lang.ClassNotFoundException e) { e.printStackTrace(); } try { schedoDBConnection = DriverManager.getConnection(connectionURL); } catch (Exception e) { e.printStackTrace(); } This works fine. But in that case the service of the database comes from NetBeans. If I move my application to another PC I won't be able to access my database. How can I integrate my JavaDB into my application?

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• Display On-Screen Television Graphics During Live Broadcasts

  - by ServAce85

  How and with what software do major television companies display on-screen graphics during their programs? For example: On ESPN, how do they produce the news ticker on the bottom (both graphically and from a source code point of view), create and display the scores of sports, and update and show selected stats on the fly? I've looked everywhere I can think of to find the answer, but I am at a loss. That's where you guys (and girls) come in. I hope you can help shed some light on this subject for me. Thanks in advance.

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• Changing folder names in Visual Studio when using SVN

  - by Piers Myers

  I am using VS2008/VS2010 with Resharper 5, TortoiseSVN 1.6.8.19260-x64, and AnkhSVN 2.1.8420.8. Most operations I do in Visual Studio are reflected fine in SVN, however, renaming folders in a project can cause problems when I try to submit my changes. Also all the namespaces in the C# source files under the renamed folder need to be updated to reflect the name change. What is the best way to rename the main project folder or any sub folders and ensure there are no issues with SVN? Should it be done outside Visual Studio? What is the best way to update all the namespace changes? Is search/replace the only way? Are there any best practices regarding folder names and their contents?

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• How to get everything in the string, but a particular pattern

  - by José Leal

  Yet another regexp question: I have a string as the following, "This is a string, and I have a priority !1" So I want to build a regexp that extracts my priority, which is this number 1 preceded by the "!". To extract it is very easy, "!([1-4])". But now I want to extract the text, leaving it out! How can I do that? DETAIL: The !1 can be anywhere in the string, so this is also perfectly fine: "This is a string, !1 and I have a priority" Thanks! UPDATE: I'm using scala

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• ImageMagick - how to enforce min/max heights/widths?

  - by Henryh

  Using ImageMagick, how can I resize an image to have a minimum: height of 150px width of 200px and also have a maximum: height of 225px width of 275px UPDATE: In case it helps, here's a further explanation of what I'm experiencing. I have a buch of images with all different ratio dimensions. Some images have 1:5 height/width ratios. Some have 5:1 height/width ratios. So that I want to do is set that a minimum height/width size for the image but also don't want the image size to be larger than a particular size. If I need to apply white padding to an image to make it fit within my constraint so that I don't have to distort the image, I'd like to do so.

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• Ruby on Rails - Currency : commas causing an issue.

  - by easement

  Looking on SO, I see that the preferred way to currency using RoR is using decimal(8,2) and to output them using number_to_currency(); I can get my numbers out of the DB, but I'm having issues on getting them in. Inside my update action I have the following line: if @non_labor_expense.update_attributes(params[:non_labor_expense]) puts YAML::dump(params) The dump of params shows the correct value. xx,yyy.zz , but what gets stored in the DB is only xx.00 What do I need to do in order to take into account that there may be commas and a user may not enter .zz (the cents). Some regex and for comma? how would you handle the decimal if it were .2 versus .20 . There has to be a builtin or at least a better way. My Migration (I don't know if this helps): class ChangeExpenseToDec < ActiveRecord::Migration def self.up change_column :non_labor_expenses, :amount, :decimal, :precision => 8, :scale => 2 end def self.down change_column :non_labor_expenses, :amount, :integer end end

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• Are concurrency issues possible when using the WCF Service Behavoir attribute set to ConcurrencyMode

  - by Brandon Linton

  We have a WCF service that makes a good deal of transactional NHibernate calls. Occasionally we were seeing SQL timeouts, even though the calls were updating different rows and the tables were set to row level locking. After digging into the logs, it looks like different threads were entering the same point in the code (our transaction using block), and an update was hanging on commit. It didn't make sense, though, because we believed that the following service class attribute was forcing a unique execution thread per service call: [ServiceBehavior(ConcurrencyMode = ConcurrencyMode.Multiple, InstanceContextMode = InstanceContextMode.PerCall)] We recently changed the concurrency mode to ConcurrencyMode.Single and haven't yet run into any issues, but the bug was very difficult to reproduce (if anyone has any thoughts on flushing a bug like that out, let me know!). Anyway, that all brings me to my question: shouldn't an InstanceContextMode of PerCall enforce thread-safety within the service, even if the ConcurrencyMode is set to multiple? How would it be possible for two calls to be serviced by the same service instance? Thanks!

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• After Trigger execute before constraint check in oracle

  - by satakare

  Hi, I have After Insert/Update trigger on Table T1 which get the referential data for Col1 from T2 and does some work and insert it into another table. The col1 is FK to Table T2. When user insert the incorrect or non existing value into the Col1 and if trigger is disabled I am getting constraint error that is fine. But when trigger is enabled and user insert the wrong value in Col1 trigger is getting fired and shows the 'no data found' error message. Actually I am expecting the table to throw constraint error, but trigger is throwing it. Please let me know your comments about this trigger behaviour.

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• Multithreading in PHP

  - by Jack

  I am working on windows. I am building a twitter application which periodically checks for new tweets as well as allows users to update their status. I have written separate PHP files for reading (reader.php) and writing tweets (writer.php). The only problem is how do I periodically read the tweets. There are a few ways which I can think of - 1) Use a time-based job scheduler (like Cron) to periodically run the reader.php. How do I do this? 2) Use multithreading to run both reader and writer.php and use a timer function in reader.php Suggestions?

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• Better performance to Query the DB or Cache small result sets?

  - by user169867

  Say I need to populate 4 or 5 dropdowns w/ items from a database. Each drop down will have < 15 items in it. These items almost never change. Now I could query the DB each time the page is accessed or I could grab the values from a custom class that would check to see if they already exist in ASP.Net's cache and only if they don't query the DB to update the cache. It's trivial for me to write but I'm unsure if the performace would be better or not. I think it would be (although not likely anything huge). What do you think?

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• Python: How do I pass a variable by reference?

  - by David Sykes

  The Python documentation seems unclear about whether parameters are passed by reference or value, and the following code produces the unchanged value 'Original' class PassByReference: def __init__(self): self.variable = 'Original' self.Change(self.variable) print self.variable def Change(self, var): var = 'Changed' Is there something I can do to pass the variable by actual reference? Update: I am coming to the conclusion that while Andrea answered my actual question (Can you... No but you can...), on the subject of pass by reference Blair Conrad is more technically correct. As I understand it the crux is that a copy of a reference is being passed. If you assign that copy, as in my example, then you lose the reference to the original and it remains unchanged. If, however, you 'use' that reference, for example append on a passed list, then the original is changed. I will see how the comments and votes go before choosing the answer people think is the best

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• C# problem with ADO

  - by ahmed

  When i use the following code, i get this error : "OleDbexception Syntax error in INSERT INTO statement. plz help me! { // add the new username System.Data.OleDb.OleDbCommandBuilder cb; cb = new System.Data.OleDb.OleDbCommandBuilder(da); DataRow dRow = cPD_DatabaseDataSet.Tables["users_table"].NewRow(); dRow[0] = this.textBox_add_user.Text ; dRow[1] = this.textBox_password.Text ; cPD_DatabaseDataSet.Tables["users_table"].Rows.Add(dRow); //add new record cb.GetUpdateCommand(); cb.GetInsertCommand(); //save new recode into the Access file da.Update(cPD_DatabaseDataSet, "users_table"); //clear textboxes this.textBox_add_user.Text = ""; this.textBox_password.Text = ""; this.textBox_re_password.Text = ""; } catch (System.Data.OleDb.OleDbException exp) { //close the connection this.con.Close(); MessageBox.Show(exp.ToString()); }`

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• Why is the proper "respond_to" format not getting called?

  - by humble_coder

  Hi All, I'm having a bit of an odd issue. Really too odd to type out, but here goes. Basically I have a controller that refuses to "respond_to" using javascript unless I assign my "chart.generate_xml" to a variable before the "respond_to" block like so: @xml = @chart.generate_xml(@begin_date,@end_date,1.hour) respond_to do |format| format.html format.js{ render :update do |page| page.insert_html :bottom, "chart-div", @xml #page.insert_html :bottom, "chart-div", @chart.generate_xml(@begin_date,@end_date,1.hour) end } If I remove the upper "@xml= …" portion and go with the lower "page.insert", the "format.js" section doesn't get called. And if I try to force the format with "request.format = :js", I get the javascript returned as text. I'm not doing anything special here in that method call, so I'm not sure why it would choose to respond any differently. FWIW, the method that triggers this controller action is using JS to do so, so I'm confused as to why "format.js" isn't always getting called. Thoughts? Best.

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• msbuild/clickonce publish files generated during the build

  - by Anonym

  As a part of my build process I generate some files that should be included when creating a clickonce deployment. Here is a blog post of someone telling you how to include items that's not part of the project. However, as someone mentions in the comments of that blogpost, it won't update the deploymentmanifest when you do it in the "BeforePublish" task and the files won't get downloaded - it works fine if you do it in the "BeforeBuild" task though. This gives me a chicken and egg problem as I have to perform the build first to generate the files I want included.. Does anyone have a solution for this ? (p.s. at the moment generating the clickonce deployment using mage.exe is not an option, it have to be done using the Publish target)

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• Best programming novel to take on holiday

  - by Ed Guiness

  I am about enjoy a two week break in Spain where I expect to have lots of time for relaxing and reading. I normally read a lot of non-fiction so I'm looking for novel suggestions. If there is another Cryptonomicon out there I'd love to hear about it! UPDATE: In the end I took four books including Quicksilver. Quicksilver was fantastic and I look forward to continuing the series. I was disappointed with Gen X (Coupland) and Pattern Recognition (Gibson). Upon arrival I also found The Monsters Of Gramercy Park (Leigh) which was enjoyable though sad. Thanks for all the recommendations, I'm sure to return to this list when I have more free time.

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• How to effectively draw on desktop in C#?

  - by Lazlo

  I want to draw directly on the desktop in C#. From searching a bit, I ended up using a Graphics object from the Desktop HDC (null). Then, I painted normally using this Graphics object. The problem is that my shapes get lost when any part of the screen is redrawn. I tried a While loop, but it actually ends up drawing as fast as the application can, which is not the update rate of the desktop. Normally, I would need to put my drawing code in a "OnPaint" event, but such thing does not exist for the desktop. How would I do it? Example code: http://stackoverflow.com/questions/1536141/how-to-draw-directly-on-the-windows-desktop-c

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• I get a 400 Bad Request error while using django-piston

  - by Cheezo

  Hello, I am trying to use Piston to provide REST support to Django. I have implemented my handlers as per the documentation provided . The problem is that i can "read" and "delete" my resource but i cannot "create" or "update". Each time i hit the relevant api i get a 400 Bad request Error. I have extended the Resource class for csrf by using this commonly available code snippet: class CsrfExemptResource(Resource): """A Custom Resource that is csrf exempt""" def init(self, handler, authentication=None): super(CsrfExemptResource, self).init(handler, authentication) self.csrf_exempt = getattr(self.handler, 'csrf_exempt', True) My class (code snippet) looks like this: user_resource = CsrfExemptResource(User) class User(BaseHandler): allowed_methods = ('GET', 'POST', 'PUT', 'DELETE') @require_extended def create(self, request): email = request.GET['email'] password = request.GET['password'] phoneNumber = request.GET['phoneNumber'] firstName = request.GET['firstName'] lastName = request.GET['lastName'] self.createNewUser(self, email,password,phoneNumber,firstName,lastName) return rc.CREATED Please let me know how can i get the create method to work using the POST operation?

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