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• Cross vertion line matching.

  - by BCS

  I'm considering how to do automatic bug tracking and as part of that I'm wondering what is available to match source code line numbers (or more accurate numbers mapped from instruction pointers via something like addr2line) in one version of a program to the same line in another. (Assume everything is in some kind of source control and is available to my code) The simplest approach would be to use a diff tool/lib on the files and do some math on the line number spans, however this has some limitations: It doesn't handle cross file motion. It might not play well with lines that get changed It doesn't look at the information available in the intermediate versions. It provides no way to manually patch up lines when the diff tool gets things wrong. It's kinda clunky Before I start diving into developing something better: What already exists to do this? What features do similar system have that I've not thought of?

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• OnShutdown() not working on XP

  - by Daro

  I have a service registered for shutdown events (.Net 3.5): public ServiceName() { InitializeComponent(); base.CanHandleSessionChangeEvent = true; base.CanHandlePowerEvent = true; base.CanShutdown = true; } protected override void OnShutdown() { try { if (Program.Debug2Eventlog == true) { WriteEventEntry( "Computer is shutting down.", EventLogEntryType.Information, 0, 3); } } catch {} base.OnShutdown(); } Windows 7 logs the event just fine, but XP doesn't. Am I missing something?

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• Getting the size of an opening window in WebKit

  - by ThereSkippy

  Hi, I'm implementing a "WebKit Browser In An Application" which basically embeds WebViews in Qt widgets (we're using the WebKit browser instead of Qt's since it's stabler and more up-to-date). So far everything's great, until someone clicks on a link which invokes a Javascript "Window.open" function with a custom width and height for the new window. I've set the various delegates for the parent window: setFrameLoadDelegate, setResourceLoadDelegate, setPolicyDelegate, and setUIDelegate. I am getting a createWebViewWithRequest in the UI delegate as expected when the window opens (with a null request, as others have noted). I then get a decidePolicyForNavigationAction for the new window, but it doesn't have the proposed window's width or height. I NEVER get a decidePolicyForNewWindowAction for JavaScript window.open (also noted by others). So I'm at a loss. Is there a way to get this information so I can set the Qt Widget's size correctly?

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• How to generalize view?

  - by MexicanHacker

  Hey guys, I'm in the process of designing a set of views that use the same model in my app, the difference is that some views will differ in Read Only and Modifiable fields. So for example for view A I want to be able to modify A.One but no A.Two properties and for view B I want to have B.One and B.Two as modifiable fields. I was thinking in having a map that will hold this information and iterate both the modifiable and non-modifiable lists in a generic view, but I was thinking that maybe I can get feedback from you guys. What do you think?

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• With google maps, can you use google's own popup windows?

  - by SLC

  I've implemented a google map with points and stuff that uses an address that the user inputs. When you click a point, the popup bubble appears with the name and address in. Often this name and address is a prominent location, as it's used for meetings and things, such as a university. If you google the address yourself on maps.google.co.uk then you get google's own popup bubble, which often has a photo, information, opening hours, links to directions, reviews, etc. etc. I am wondering if there's a way to use that popup dialog instead of my own, where it is available. I can't see anything in the API to do this. I'm using V2 as we support IE6 in a lot of our users, but I've been told recently I can upgrade to V3 should I need functionality from it. Any ideas?

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• error in python d not defined.

  - by dtechie

  Hi I am learning python and have this error . I can figure out where\what the error is in the code. File "<string>", line 1, in <module>. Name = "" Desc = "" Gender = "" Race = "" # Prompt user for user-defined information Name = input('What is your Name? ') Desc = input('Describe yourself: ') When i run the program it outputs What is your Name? (i input d ) this gives the error Traceback (most recent call last): File "/python/chargen.py", line 19, in <module> Name = input('What is your Name? ') File "<string>", line 1, in <module> NameError: name 'd' is not defined This is an example code from Python 3 for Absolute Beginners Thank you for your help :)

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• Database design to hold multiple iteration measurements

  - by Valder

  Hi All. I am new to sqlite and SQL in general. I am keen to switch from flat-files to sqlite for holding some measurement information. I need a tip on how to better layout the database, since I have zero experience with this. I have a ~10000 unique statistic counters that are collected before and after each test iteration. Max number of iterations are 10, though it could be less. I was thinking the following: CREATE TABLE stat_names(stat_id, stat_name); CREATE TABLE stats_per_iteration(stat_id, before_iter_1, after_iter_1, before_iter_2, after_iter_2, ...); stat_names table would hold mapping of a full counter to a uniq stat_id. stats_per_iteration table would hold mesurement data 1 + 10 * 2 columns. stat_names.stat_id = stats_per_iteration.stat_id OR maybe I should have a separate table for each iteration? Which would results in 1 + 10 tables in database. Thanks!

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• Why Resource (.resx) file added on merely changing Form size and on adding button which is not resou

  - by Muhammad Kashif Nadeem

  1- Resource files suppose to be added on adding some resource in application like image or audio or video etc. But if I just change size of form a .resx file under that particular form. Changing size of form does not add any resource so why this .resx file. 2- I dropped a button on form and a resource file is included again this button is not some kind of resource, it is object created and having information in designer file. 3- A resource file added on dropping button on form but if I delete this resource file and run application it compile and run with NO error and button is still there. If this button has any relation with resource file then there must by some kind of compile or runtime error AND if .resx file has nothing to do with button then why it was added? I am using VS 2008. Thanks in advance for the help

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• MySQL returns fewer rows with GROUP BY statement

  - by bschaeffer

  I've got a MySQL database that stores image information. Right now it only has three rows stored in the database, and each row is associated with something like, for instance, a unique blog post via a key column. As of right now, one "blog post key" has one image, and one has two images in the database. When I run this query, MySQL returns all three rows. SELECT `id`, `key`, `url` FROM (`images`) WHERE `key` = 'TpaS4G5h' OR `key` = '78855e44' However, when i add the GROUP BY statement I only get two rows... one for each key. SELECT `id`, `key`, `url` FROM (`images`) WHERE `key` = 'TpaS4G5h' OR `key` = '78855e44' GROUP BY `key` I'm sure there is a simple solution, but I don't know what it is... so any help would be really appreciated. Thanks in advance!

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• Sql Server as logging, best connection practise

  - by ozz

  I'm using SqlServer as logging. Yes this is wrong decision, there are better dbs for this requirement. But I have no other option for now. Logging interval is 3 logs per second. So I've static Logger class and it has static Log method. Using "Open Connection" as static member is better for performance. But what is the best implemantation of it? This is not that I know. public static class OzzLogger { static SqlConnection Con; static OzzLogger() { Con=ne SqlConnection(....); Con.Open(); } public static void Log(....) { Con.ExecuteSql(......); } } UPDATE I asked because of my old information. People say "connection pooling performance is enough". If there is no objection I'm closing the issue :)

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• Mercurial Merging only certain changesets

  - by PostMan

  Ok, so we recently converted from SVN to Mercurial. We are using TortoiseHG normally. In our one repository we have all of our projects, C++ / .NET / ASP. We have about 100 projects, all using common library projects. So it would be quite difficult task to create multiple repo's for each project. Now, we have the default branch, and let's say branchA. I'm working on BranchA and adding my uber changes to it, and I change a common library, let's say an extension method I want to commit this to branchA and default, how would I go about this? However, I don't want all my changes from branchA to be merged into default, and I don't want all the other changes from default Hopefully this is sufficient information!

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• why include() don't allow to work setcookie?

  - by Syom

  i need to set cookies in my page, but it returns Warning: Cannot modify header information - headers already sent by (output started at /home1/bsam/public_html/24kadr/index.php:1) in /home1/bsam/public_html/24kadr/basic_login.php on line 35 on line 1 i have include 'basic_login.php'; but even if i remoove include, ir returns the same warning on session_start, or mysql_connect. so i think these all functions use header when calling, but what can i do? at least i need to connect to database, and just after it i need to use setcookie(). so what can i do? thanks

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• WPF DropShadowEffect in ListBox

  - by Andrew

  Hi, Basically, I have a listbox which contains a set of listboxitem (stacked horizontally). On selected listboxitem, there will be dropshadoweffect applied to the border of the listboxitem. The problem i am having at the moment is the dropshadopeffect on the left hand side is covering (on top of) the left listboxitem. This is fine for me, however the dropshadoweffect on the right hand side of the listboxitem is covered by (below) the right listboxitem. Is there a way to make them consistent? so that both sides' dropshadoweffect will appear on top of the left and right listboxitems. Please let me know if you need more information. Any help would be appreciated.

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• SQL SELECT from third level table

  - by Spidermain50

  Ok I know little about SQL so bare with me... I'm trying to see if certain values exist in a third level table and I don't know how to go about it. Here is the scenario... I have a Accident table that holds accident information. It has 3 one-to-many child tables (Units, Occupants, NonMotorists). An each of those child tables have their own many-to-many child table (Alcohol). I need to be able to have some way of seeing if a range of values exists in a field in those Alcohol tables. Here is watered down version of what my structure for the tables looks like... --tblAccident--_ PK_AccidentNumber --tblAccidentUnit-- PK_PrimaryKey FK_AccidentNumber --tblAccidentOccupant-- PK_PrimaryKey FK_AccidentNumber --tblAccidentNonMotorist-- PK_PrimaryKey FK_AccidentNumber --tblAccidentUnitAlcohol-- PK_PrimaryKey FK_ForeignKey AlcoholValue <---- THIS IS WHAT I NEED TO SEARCH --tblAccidentOccupantAlcohol-- PK_PrimaryKey FK_ForeignKey AlcoholValue <---- THIS IS WHAT I NEED TO SEARCH --tblAccidentNonMotoristAlcohol-- PK_PrimaryKey FK_ForeignKey AlcoholValue <---- THIS IS WHAT I NEED TO SEARCH I hope this makes some sense as to what i am trying to accomplish. thank you

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• Take advantage of multiple cores executing SQL statements

  - by willvv

  I have a small application that reads XML files and inserts the information on a SQL DB. There are ~ 300 000 files to import, each one with ~ 1000 records. I started the application on 20% of the files and it has been running for 18 hours now, I hope I can improve this time for the rest of the files. I'm not using a multi-thread approach, but since the computer I'm running the process on has 4 cores I was thinking on doing it to get some improvement on the performance (although I guess the main problem is the I/O and not only the processing). I was thinking on using the BeginExecutingNonQuery() method on the SqlCommand object I create for each insertion, but I don't know if I should limit the max amount of simultaneous threads (nor I know how to do it). What's your advice to get the best CPU utilization? Thanks

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• PHP, MySQL - can you distinguish between rows matched and rows affected?

  - by Renesis

  I am trying to write a PHP-MySQL database processor that is somewhat intelligent. When this processor decides it needs to make an update, I want to report if it was really successful or not. I thought I could use mysql_affected_rows... // Example: // After running query "UPDATE mytable SET name='Test' WHERE ID=1" $result = mysql_affected_rows(); if ($result >= 1) { /* Success */ } If, for example, there was no row with ID=1, then $result would be 0. However, it turns out that PHP's mysql_affected_rows is the actual affected rows, and may be still be 0 if the row exists but name was already "Test". (The PHP docs even say this is the case). If I run this in the command line, I get the following meta information about the query: Query OK, 0 rows affected (0.01 sec) Rows matched: 1 Changed: 0 Warnings: 0 Is there any way for me to get that "Rows matched" value in PHP instead of the affected rows?

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• Checking whether a user already exists in drupal.

  - by simonr

  Hello, When a user enters his login information and hits submit, i want to check if the user already exists or not. So, i have the following two questions 1. Which hook is needed to be implemented , for the case when user hits the submit button on the login form. I need the username entered by the user. 2. How to check if a user already exists in drupal or not programmatically ? Some sample code would be really appreciated. Please help. Thank You.

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• SQL Server 2008 - Get Latest Record from Joined Table

  - by user336786

  Hello, I have a SQL Server 2008 database. This database has two tables called Customer and Order. These tables are defined as follows: Customer -------- ID, First Name, Last Name Order ----- ID, CustomerID, Date, Description I am trying to write a query that returns all of the customers in my database. If the user has placed at least one order, I want to return the information associated with the most recent order placed. Currently, I have the following: SELECT * FROM Customer c LEFT OUTER JOIN Order o ON c.[ID]=o.[CustomerID] As you can imagine, this will return all of the orders associated with a customer. In reality though, I only want the most recent one. How do I do this in SQL? Thank you!

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• How do I extract info from a block of URLs in php?

  - by Jack

  I have a list of urls, which can come in any format. One per line, separated by commas, have random text in between them, etc. the URLs are all from 2 different sites, and have a similar structure For this example, lets say it looks like this Random Text - http://www.domain2.com/variable-value Random Text 2 - http://www.domain1.com/variable-value, http://www.domain1.com/variable-value, http://www.domain1.com/variable-value http://www.domain1.com/variable-value http://www.domain2.com/variable-value http://www.domain1.com/variable-value http://www.domain2.com/variable-value http://www.domain1.com/variable-value I need to extract 2 pieces of information. Check to see if its domain1 or domain2 and the value that follows "variable-" So it should create a multi-dimensional array, which would have 2 items: domain + value. Whats the best way of doing that?

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• Text property in a UserControl in C#

  - by yeyeyerman

  I have a control with a inner TextBox. I want to make a direct relationship between the Text property of the UserControl and the Text property of the TextBox. The first thing I realized is that Text was not being displayed in the Properties of the UserControl. Then I added the Browsable(true) attribute. [Browsable(true)] public override string Text { get { return m_textBox.Text; } set { m_textBox.Text = value; } } Now, the text will be shown for a while, but then is deleted. This is because the information is not written within the xxxx.Designer.cs. How can this behviour be changed?

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• noob: how to show login error message on the same page after php server processes request.

  - by funbar

  Hi, I have a login page. User first enters information and submits the form. And I have a php script that will see if the user exists. If( authenticated == true) { // I do a redirect } else { // I want to popup an error message on the same page. } 1) I'm not sure how to show the popup message, I would like to make my div element visible with an error message returned from the server, I would have to use Ajax, right? But how? Or are there alternatives which are just as good.

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• What is the most efficient way to store and access images

  - by MT

  I am working on a project which has to store tens and thousands of images on a server and let the users access them. I need the most efficient method to store these images and to retrieve them. Also, I need information about which technology I should opt. I haven't started the project yet. So, I am thinking between PHP w/ CodeIgniter and Ruby on Rails. PS: The site is something similar to Flickr except that the images are uploaded only by the Authors of the content, and not by the users.

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• How do I execute an action in drupal after each time a node is saved?

  - by ford

  I'm developing an Action in Drupal which is supposed to activate after saving a node, exporting content to XML (which includes data from the node that was just saved), using the "Trigger: After saving an updated post" trigger. Unfortunately this action actually happens right before the information from the recently saved post is saved to the database. ie. when looking at the XML later, I find that the most recent change I made was not included. Saving after editing a different node will restore the previously missing data. How can I get my action to fire after the saving process is complete?

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• How to represent a list of points in R

  - by Guido

  I am working with a large list of points (each point has three dimensions x,y,z). I am pretty new with R, so I would like to know what is the best way to represent that kind of information. As far as I know, an array allows me to represent any multidimensional data, so currently I am using: > points<-array( c(1,2,0,1,3,0,2,4,0,2,5,0,2,7,0,3,8,0), dim=c(3,6) ) > points [,1] [,2] [,3] [,4] [,5] [,6] [1,] 1 1 2 2 2 3 -- x dim [2,] 2 3 4 5 7 8 -- y dim [3,] 0 0 0 0 0 0 -- z dim The aim is to perform some computations to calculate the euclidean distance between two sets of points (any hint in this sense would also be highly appreciated)

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• Dump Hibernate activity to sql script file

  - by zeven

  Hi, I'm trying to log hibernate activity (only dml operations) to an sql script file. My goal is to have a way to reconstruct the database from a given starting point to the current state by executing the generated script. I can get the sql queries from log4j logs but they have more information than the raw sql queries and i would need to parse them and extract only the helpful statements. So i'm looking for a programatic way, maybe by listening the persist/merge/delete operations and accessing the hibernate-generated sql statements. I don't like to reinvent the wheel so, if anybody know a way for doing this i would appreciate it very much. Thanks in advance

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