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• Need Insight - What is the best practice for syncing up a production database that will be used on a

  - by james

  I have a site set up using CakePHP and MySQL and I want to work on a test database without disrupting my live site in case something goes wrong. I have another busy site, but my test site runs off the live database which can be occasionally nerve wracking. What do I do if I change a table name in the test db and I want it changed in the live database? Or if I remove a record from the test database. Is there a way to diff the changes? How do I even merge those changes? How does this interfere with live user edits and things of that nature? Hopefully some of you working devs can share some insight!

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• Do I have to duplicate this function? - jQuery

  - by Josh

  I'm using this function to create an transparent overlay of information over the current div for a web-based mobile app. Background: using jQTouch, so I have separate divs, not individual pages loading new. $(document).ready(function() { $('.infoBtn').click(function() { $('#overlay').toggleFade(400); return false; }); }); Understanding that JS will run sequentially when i click the button on the first div the function works fine. When I go to the next div if I click the same button nothing "happens" when this div is displayed, but if i go back to the first div it has actually triggered it on this page. So I logically duplicated the function and changed the CSS selector names and it works for both. But do I have to do this for each use? Is there a way to use the same selectors, but load the different content in each variation?

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• Connection: Keep-Alive and PHP sessions not working

  - by user366667

  We have a VB application that needs to run an specific flow on a PHP page. This application was correctly catching the PHPSESSID cookie and using it for all subsequent requests. However, PHP wasn't able to restore any changes made on $_SESSION variable. The variable was changed, saved, and on the next request it was restored as an empty array. We found out that changing the Connection header from "Keep-Alive" to "Close" fixed the issue. I couldn't find anything on the web saying that PHP sessions shouldn't be restored under Keep-Alive connections. Does anyone know why this was happening? PS: We didn't find anything weird or different on Apache, ModSecurity or PHP configuration settings.

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• UIGraphicsBeginImageContext question in Objective C

  - by Henry D'Andrea

  I need the UIGraphicsBeginImageContext(self.view.frame.size); changed to where the .frame part pulls from webView - (void) save { UIGraphicsBeginImageContext(self.view.frame.size); [self.view.layer renderInContext:UIGraphicsGetCurrentContext()]; UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); UIImageWriteToSavedPhotosAlbum(viewImage, nil, nil, nil); NSLog(@"TEST"); } WEBVIEW CODE: -(BOOL) webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)ntype { NSLog(@"Scheme: %@", request.URL.scheme); if ([request.URL.scheme isEqualToString:@"save"]) { [self save]; } return true; }

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• parse this directory path without losing slash

  - by PPTim

  hi, I have a wxPython application. I am taking in a directory path from a textbox using GetValue(). I notice that while trying to parse in the directory path "C:\Documents and Settings\UserName\Desktop\InputFile.xls", python sees the string as 'C:\\Documents and Settings\UserName\\Desktop\\InputFile.xls' (missing a slash between "Settings" and "UserName). Why is it that only that slash is not correctly escaped? Once the string has been changed to 'C:\Documents and Settings\UserName\Desktop\InputFile.xls', is there a type conversion or function that can does this properly? Thanks.

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• Drupal: FileFields... internal server error

  - by Patrick

  hi, I've moved my drupal installation to new server and the website works. HOwever I get an "internal server error" for each file field in my nodes. In other words, images and videos are not loaded. In Firebug, Net Tab I can see they cannot be retrieved from the server because of "internal server error". The only thing I changed with respect to the previous installation is commenting the following 2 lines in .htaccess # Don't show directory listings for URLs which map to a directory. #Options -Indexes # Follow symbolic links in this directory. #Options +FollowSymLinks Is this the issue ? How can I solve this ? thanks

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• Key-value pair request in ASIFormDataRequest does not get response

  - by onkar

  I am sending a key-value pair inorder to get jSON response.I am trying this way. NSString *url = SAMPLE_URL; ASIFormDataRequest *request =[[[ASIFormDataRequest alloc] init] autorelease]; request=[ASIFormDataRequest requestWithURL:url]; // NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease]; //[request setURL:[NSURL URLWithString:url]]; [request setHTTPMethod:@"POST"]; [request setPostValue:@"admin" forKey:@"username"]; [request setPostValue:@"123456" forKey:@"password"]; Issue The code is running fine, but no-response/acknowledgement is obtained. EDIT 1 [request setHTTPMethod:@"POST"]; has been changed to [request setRequestMethod:@"POST"];

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• Building SL4 + RIAServices app takes too long on VS2010.

  - by adlanelm

  Got a Win7 box with VS2010 Premium installed on it. Building desktop apps works just fine. But we got this solution with 15 SL4 and 21 desktop projects... Building the SL part of it takes too long. This is very irritating and encourages to drop TDD since every time I run a test it takes ~3 seconds for msbuild to find out that nothing changed and the project should be skipped. The projects are very small and there's nothing fancy in them and we hadn't any problems before we switched from VS2008+SL3. I've heard people complaining abound VS2010 speed in general, but nothing about SL4 build time. Is anyone experiencing same problems and is there any workaround for this?

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• Cookie Blocked popup in IE

  - by Shyju

  I have a website hosted in a server named msa_inst_server. In my login page ,after user enter the username,i will check whether cookies are available or not,But when i access the login page in IE 6.0 in one machine in the local network,I am getting a pop up saying that I have added the site to trusted zone,changed the settings to allow all cookies.But no way to get rid of this problem. Any thoughts.... ? Does the underscore in the server name matters ? Thanks in advance

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• How to keep .cproject local to each user while working collaboratively through git

  - by Don't panic

  I have a C++ project that I am working on with several other people. Some of us have Macs with OSX and some of us have PCs with either Windows 7 or Windows 8.1. We are currently using eclipse to edit the project and git for version control. The problem is that whenever you change property settings on one team member's computer the .cproject file is updated. Because different configurations/ file extensions are used across OSX and Windows we want the .cproject file to remain local. We have tried untracking .cproject through a gitignore for the .cproject file, but that just removes the .cproject file from the repository all together. We have also tried setting up an assumed-unchanged for .cproject but if .cproject is changed all this leads to is the need to manually deal with conflicts and updates. Is there any way to keep the file in the repository, but only change it locally? Ie merging would not update the .cproject file.

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• How to verify if two tables have exactly the same data?

  - by SiLent SoNG

  Basically we have one table (original table) and it is backed up into another table (backup table); thus the two tables have exactly the same schema. At the beginning both tables (original table and backup table) contains exactly the same set of data. After sometime for some reason I need to verify whether dataset in the original table has changed or not. In order to do this I have to compare the dataset in the original table against the backup table. Let's say the original table has the following schema: `create table LemmasMapping ( lemma1 int, lemma2 int, index ix_lemma1 using btree (lemma1), index ix_lemma2 using btree (lemma2) )` How could I achieve the dataset comparision? Update: the table does not have a primary key. It simply stores mappings between two ids.

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• Put specific tds from a table row into edit using jQuery (then update w/ ajax)

  - by bbqsauced

  I'm somewhat new to jQuery, so I could use some help here. This is my issue: I have a php script outputting a dynamic table. Each row has an "edit" button, plus some other fields. Only 3 of those need to be turned into an input box. The edit button should only put that specific row into "edit mode." I got as far as assigning each row a unique class by adding a number to the end of it. I have been able to use jQuery to change all of the rows into edit mode, but I need it to be specific to a row. An example row would have classes like name0, price0, and desc0. The next row would go on to classes name1, price1, and desc1 (for the fields that need changed). How can I reference these values and pass them to jQuery so it processes an event on just those elements?

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• Oracle global_names DELETE problem

  - by jyzuz

  I'm using a database link to execute a DELETE statement on another DB, but the DB link name doesn't conform to global naming, and this requirement cannot change. Also I have global_names set to false, and cannot be changed either. When I try to use these links however, I receive: ORA-02069: - global_names parameter must be set to TRUE for this operation Cause: A remote mapping of the statement is required but cannot be achieved because GLOBAL_NAMES should be set to TRUE for it to be achieved. - Action: Issue `ALTER SESSION SET GLOBAL_NAMES = TRUE` (if possible) What is the alternative action when setting global_names=true is not possible? Cheers, Jean

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• How to save/export a DOM element to an image?

  - by Don Don

  Hi, I have a web page which has a form element (with its ID known) and inside the form there are multiple DIVs, and the position of each div may be changed. What I'd like to do is: a) Save the current state of this form // var currentForm=document.forms['myFrm'].innerHTML; would probably suffice... b) Save or export the entire form with the most current position of each DIV to an image file. // how to save/export the javascript var of currentForm to an image file is the key question. Any help/pointer would be appreciated.

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• simulate to change the background color when click the link

  - by tom

  I have the following HTML and the java script below to simulate the background color change when the link block is clicked, but it doesn't seem to work. Any reason why? If I have only the onmousedown event handled, the background color will be changed to blue for sure. But if both onmousedown and onmouseup are handled, nothing would change visually. note... function changeColorOnMouseDown() { document.getElementById('note').style.background='blue'; } function changeColorOnMouseUp() { document.getElementById('note').style.background='#d8dde7'; }

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• Stored Procedure Permissions Problem

  - by JimR

  I have migrated a set of SQL 2000 databases to SQL 2008. Most is working well, however I have some stored procedures that scheduled and run by SQL Server Agent jobs that are giving me troubles. Many of the scheduled stored procedures work, but the stored procs that access a database other than the default databases are failing with the following message: Executed as user: XYZ\YadaYada. The server principal: "XYZ\YadaYada" is not able to access the database "MyOtherDatabaseOnSameServer" under the current security context. [SQL STATE 08004](Error 619) The step failed. Obviously, I changed the names to protect the guilty. The account is a user in all of the relavent databases and is a memeber of db_owner, db_datareader, and db_datawriter. When I run these same procedures from a query window in SMS using the same accounts (I have tried many) they work fine. What am I missing?

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• JUnit unable to find tests in Eclipse

  - by mikera

  I have a strange issue with JUnit 4 tests in Eclipse 3.5 that I couldn't solve - any hints gratefully received! Initially: I had a test suite working properly, with 100+ tests all configured with JUnit 4 annotations. I'd run these typically by right clicking on my source folder and selecting "Run as JUnit test". All worked perfectly. Now: When I try to run the test messages all I get is an error "No tests found with test runner 'JUnit 4'". Any idea what is happening? I simply can't work out what could have changed to make this fail. My guess is that it is some configuration issue based on the build path or class path?

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• method returning wrong variable

  - by cocoanewbie

  This class I'm working with has three instance variables I'm interested in, NSmutablearrays xArray yArray and zArray, there are also other NSmutablearrays, a, bArray and c. I just added accessors - (NSMutableArray *) xArray { return xArray; } ditto for y and z. However, it's returning yArray, zArray and bArray for some reason. Why is that happening? Okay, I just changed the names of the methods to GetXArray and everything seems to be returning the right variables. Now I'm really confused. How the heck did this happen and how do I prevent this from happening in the future?

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• delete & new in c++

  - by singh

  Hi This may be very simple question,But please help me. i wanted to know what exactly happens when i call new & delete , For example in below code char * ptr=new char [10]; delete [] ptr; call to new returns me memory address. Does it allocate exact 10 bytes on heap, Where information about size is stored.When i call delete on same pointer,i see in debugger that there are a lot of byte get changed before and after the 10 Bytes. Is there any header for each new which contain information about number of byte allocated by new. Thanks a lot

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• How should I synchronize lists in WCF?

  - by mafutrct

  I've got a WCF service that offers multiple lists of items of different types. The lists can be changed on the server. Every change has to be published to all clients to make sure every client has an up-to-date copy of each server list. Currently I'm using this strategy: On login, every client receives the current status of every list. On every change, the added or removed item is sent to all clients. The drawback is that I have to create a callback for every list, since the items are of different types. Is there a pattern I could apply? Or do I really have to duplicate code for each of the lists?

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• Where should the line between property and method be?

  - by Catskul

  For many situations it is obvious whether something should be a property or a method however there are items that might be considered ambiguous. Obvious Properties: "name" "length" Obvious Methods: "SendMessage" "Print" Ambiguous: "Valid" / "IsValid" / "Validate" "InBounds" / "IsInBounds" / "CheckBounds" "AverageChildValue" / "CalcAverageChildValue" "ColorSaturation" / "SetColorSaturation" I suppose I would lean towards methods for the ambiguous, but does anyone know of a rule or convention that helps decide this? E.g. should all properties be O(1)? Should a property not be able to change other data (ColorSaturation might change R,G,B values)? Should it not be a property if there is calculation or aggregation? Just from an academic perspective, (and not because I think it's a good idea) is there a reason not to go crazy with properties and just make everything that is an interrogation of the class without taking an argument, and everything that can be changed about the class with a single argument and cant fail, a property?

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• Python - Removing duplicates from a string

  - by Daniel

  def remove_duplicates(strng): """ Returns a string which is the same as the argument except only the first occurrence of each letter is present. Upper and lower case letters are treated as different. Only duplicate letters are removed, other characters such as spaces or numbers are not changed. >>> remove_duplicates('apple') 'aple' >>> remove_duplicates('Mississippi') 'Misp' >>> remove_duplicates('The quick brown fox jumps over the lazy dog') 'The quick brown fx jmps v t lazy dg' >>> remove_duplicates('121 balloons 2 u') '121 balons 2 u' """ s = strng.split() return strng.replace(s[0],"") Writing a function to get rid of duplicate letters but so far have been playing around for an hour and can't get anything. Help would be appreciated, thanks.

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• Normal Priority Builds Will Not Build in TFS 2010

  - by 37Stars

  I have two build processes setup in TFS 2010. One build starts when any developer checks code into TFS. The second build runs every night at 12:30am. I can see the builds have a priority of Normal in the queue. However no queued build ever is run until I change the priority to high. They will sit in the queue forever until the priority is changed. It appears there is a normal priority build in the queue that is stuck. However I cannot find it. I can select , , and and not see anything but these builds queued up. I can run them all and the next day I have queued builds again. I say this because I see the Build Service is configured for port 9192, which leads me to believe there is or was another Build Service on port 9191. Any idea how to resolve this issue? Thanks

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• Load a single symbol from a LaTeX package

  - by Martijn

  When using the MnSymbol package, pdflatex gives two font warnings: LaTeX Font Warning: Encoding 'OMS' has changed to 'U' for symbol font (Font) 'symbols' in the math version 'normal' on input line 120. LaTeX Font Info: Overwriting symbol font 'symbols' in version 'normal' (Font) OMS/cmsy/m/n --> U/MnSymbolF/m/n on input line 120. It turns out that this is probably due to a clash with the AMSSymb package. Since I need just a few symbols from the package: is there a way to load one symbol from a package, in stead of all?

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• Ruby: having callbacks on 'attr' objects

  - by JP

  Essentially I'm wondering how to place callbacks on objects in ruby, so that when an object is changed in anyway I can automatically trigger other changes: class MyClass attr_reader :proxy def proxy=(string_proxy = "") begin @proxy = URI.parse("http://"+((string_proxy.empty?) ? ENV['HTTP_PROXY'] : string_proxy)) @http = Net::HTTP::Proxy.new(@proxy.host,@proxy.port) rescue @http = Net::HTTP end end end m = MyClass.new m.proxy = "myproxy.com:8080" p m.proxy # => <URI: @host="myproxy.com" @port=8080> # However changing m.proxy will not change the @http variable, as proxy= is not being called. # Desired functionality: m.proxy = nil # Now @http.class is Net::HTTP, not Net::HTTP::Proxy

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