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• jQuery UI .widgets resetting scroll positions of elements contained within

  - by Derek Adair

  I am making heavy use of jQuery UI with my latest project. Unfortunately I've hit a major wall due to some really whacky behavior exhibited by the jQuery UI widgets when they contain elements with scrollbars for overflow. Check out this demo Scroll down in one of the .scroll-container elements Click an accordion header Click on old header - note the element was auto-scrolled to the top. Is there anyway to prevent this from happening? It's screwing with a major plugin of mine that utilizes jQuery scrolling. I'm flat-out lost as to what to do here! Perhaps this is a bug worth mentioning in the jQuery UI dev forums... EDIT I am using Chrome - 8.0.552.231 and OSX 10.6.5

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• How to Create an Array from a Single Variable and Form Multiple Foreach Loops?

  - by matphoto

  I'm fairly proficient in HTML/CSS, but very new when it comes to the likes of PHP and Javascript. I've jumped headfirst into coding Wordpress shortcodes (basically php functions), and so far, through trial and error and seemingly endless browser refreshes, I've been able to figure everything out. I just hit a huge wall though, hence why I'm here. Basically, I'm trying to give an attribute a list of values like: attr="23, 95, 136, ect" The function then needs to take that attribute variable and create an array with it: $arr = array($attr); To me that seems as if it would work, but the array takes the whole list as one value instead. After doing that I want to create a foreach loop that parses each number from the list, possibly through yet another foreach loop if possible, and returns a section of code for each one, and I'm not quite sure how to pull that off either. Any feedback would be greatly appreciated.

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• Python editor/IDE for OS X

  - by TheJuice

  As a (reasonably) new Python programmer, what IDEs or editors would you recommend for Python programming on OS X and why (i.e. what features/capabilities/workflow techniques really help)? I've used Xcode and played a bit with TextMate but I can't really say that either have really hit the spot for me (although TextMate's code completion is pretty neat, I think i've been spoilt with code-completion facilities provided by editors for statically-typed languages so maybe i'm subconsciously comparing apples and oranges) I'm looking to increase my efficacy with Python and any tips would be appreciated. I know people have asked similar questions for Python IDEs in general but I am specifically concentrating on OS X and the 'Mac way'. If Xcode or TextMate are thought highly of, perhaps some suggestions as to how I could get the most benefit from the tools would help.

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• Visual Studio inserting indents as spaces to html output

  - by Yucel

  Hi, I am using Visual Studio 2010 for an MVC website project. I have an big problem and dont know hot to solve it. When i am looking to the output of html in firebug indents in my aspx and ascx files are outputed as space in same places. I think its about line ending of files but i am not sure how to fix them. I am adding some pictures about problem. When i am adding a breakpoint it also add red background to spaces (this is problem) I try to delete spaces after hit ctrl+k d same problem happen. If i delete all indents make page 1 line without spaces output is fine but it not a solution.

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• How do I mimic Windows Explorer multi-select/drag-n-drop behavior in a DataGridView?

  - by bsh152s

  I'm trying to mimic the way Windows Explorer handles multiple selection. In a default DataGridView, you can select multiple items using Ctrl-click. But if you release the Ctrl key and then try and drag/drop the selected items, it clears the selected items and only selects the "hit" row. I found the following solution somewhere online. protected override OnMouseDown(MouseEventArgs e) { int hitRowIndex = HitTest(e.X, e.Y).RowIndex; if(!SelectedRows.Contains(Rows[hitRowIndex])) { base.OnMouseDown(); } } However, this causes other side effects. With the CTRL key pressed and mousing down on a selected item, the item remains selected. This makes sense because the mousedown event is bypassed if the row clicked on is selected. From looking at the behavior of Windows Explorer, it looks like the deselection of an item with the CTRL key held is not handled until the MouseUp event. Has anyone tried to do this?

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• Should I Split Tables Relevant to X Module Into Different DB? Mysql

  - by Michael Robinson

  I've inherited a rather large and somewhat messy codebase, and have been tasked with making it faster, less noodly and generally better. Currently we use one big database to hold all data for all aspects of the site. As we need to plan for significant growth in the future, I'm considering splitting tables relevant to specific sections of the site into different databases, so if/when one gets too large for one server I can more easily migrate some user data to different mysql servers while retaining overall integrity. I would still need to use joins on some tables across the new databases. Is this a normal thing to do? Would I incur a performance hit because of this?

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• How to handle date difference between client and server?

  - by daydreamer

  I have an API which looks like /summary/yyyy/mm Which returns the summary of their data for the year and month requested. One of the things it returns the number of days left if this is current year and month. For example: days_left: 9 for 2013 and 10 and current date on server is 21 Oct 2013 How I calculate remaining days? This is implemented in python as def current_financial_month_details(self): time_from, time_to = self \ .get_start_end_time_current_financial_month() today = datetime.today() from_time = datetime(year=today.year, month=today.month, day=today.day) return { 'time_from': time_from, 'time_to': time_to, 'remaining_days': (time_to - from_time).days } The problem? The server is in east coast and the client(me with browser) is on pacific time zone When its 9PM PST the time changes in east coast, so if I run hit /summary/2013/10 and if it is Oct 21 2013 for me on PST, the date has already changed on EST, so days_left: 8 which is incorrect on client end. right? How do I handle this situation?

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• clear cached javascript includes in FireFox

  - by user151841

  I'm working on javascript for a site, developing with FireFox, and when I refresh the page, I don't see my changes. The javascript file is in an external file. I reloaded and refreshed the page several times, but the old javascript file was still cached. Finally, I loaded the javascript page in the browser directly, saw the old script, hit 'reload', and saw my changes. How can I clear cached external javascript files? I'll need to know this also when I tell the client that the changes are made, so that they aren't seeing the old cached functionality.

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• Disable the Go button in the Keyboard for a UITextfield in iphone app.

  - by coder net

  Hi, My app has a screen where keyboard is always visible. The main element of the screen is a UITextfield. For easy data entering, keyboard is always made visible. When the user finishes entering data and hits Go, the app performs a 4,5 seconds action which is done in the background thread in order to show UIActivityIndicatorView. My problem is that the Go button on the keyboard still shows as enabled since the logic is performed in the background. The user could potentially hit the Go again causing it to run again. I am not able to set editable/userinteraction properties to No because then the keyboard disappears. Is there anyway just to disable the Go button or freeze the keyboard until the background thread returns?

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• select from multiple tables with different columns

  - by Qaiser Iftikhar

  Say I got this sql schema. Table Job: id,title, type, is_enabled Table JobFileCopy: job_id,from_path,to_path Table JobFileDelete: job_id, file_path Table JobStartProcess: job_id, file_path, arguments, working_directory There are many other tables with varying number of columns and they all got foreign key job_id which is linked to id in table Job. My questions: Is this the right approach? I don't have requirement to delete anything at anytime. I will require to select and insert mostly. Secondly, what is the best approach to get the list of jobs with relevant details from all the different tables in a single database hit? e.g I would like to select top 20 jobs with details, their details can be in any table (depends on column type in table Job) which I don't know until runtime. Thanks in advance. Regards,

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• Jquery Click in li

  - by cKendrick

  I have my html set up like this: <li> Header <button>Edit</button> </li> And I was wondering if there is a way so that you can click on the li and have one action happen and click on the button and have another action happen. Right now if I have a jquery click element on the li it gets fired when you hit the button to. Is there a way to make this separate without changing the html structure?

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• Inheritance and Implicit Type Casting

  - by Josué Molina

  Suppose I have the following three classes: class Animal {}; class Human : public Animal {}; class Dog : public Animal { public: void setOwner(Animal* owner) { this->owner = owner; } private: Animal* owner; }; Why is the following allowed, and what exactly is happening? Dog d; Human h; d.setOwner(&h); // ? At first, I tried to cast it like this d.setOwner(&(Animal)h), but the compiler gave me a warning, and I hit a run-time error. Edit: the warning the compiler gave me was "taking address of temporary". Why is this so?

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• Does anyone else think instance variables are problematic in database-backed applications?

  - by Ben Aston

  It occurs to me that state control in languages like C# is not well supported. By this, I mean, it is left upto the programmer to manage the state of in-memory objects. A common use-case is that instance variables in the domain-model are copies of information residing in persistent storage (i.e. the database). Clearly this violates the single point of authority principle, and "synchronisation" has to be managed by the developer. I envisage a system where instead of instance variables, we have simple public access/mutator methods marked with attributes that link them to the database, and where reads and writes are mediated by a framework that decides whether to hit the database. Does such a system exist? Am I completely missing the point, or is there some truth to this idea?

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• Using gprof with sockets

  - by Chris

  I have a program I want to profile with gprof. The problem (seemingly) is that it uses sockets. So I get things like this: ::select(): Interrupted system call I hit this problem a while back, gave up, and moved on. But I would really like to be able to profile my code, using gprof if possible. What can I do? Is there a gprof option I'm missing? A socket option? Is gprof totally useless in the presence of these types of system calls? If so, is there a viable alternative? EDIT: Platform: Linux 2.6 (x64) GCC 4.4.1 gprof 2.19

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• web page db query optimisation

  - by morpheous

  I am putting together a web page which is quite 'expensive' in terms of Db hits. I dont want to start optimizing at this stage - though with me trying to hit a deadline, I may end up not optimising at all. Currently the page requires 18 (thats right eighteen) hits to the db. I am already using joins, and some of the queries are UNIONed to minimize the trips to the db. My local dev machine can handle this (page is not slow) however, I feel if I release this into the wild, the number of queries will quickly overwhelm my database (mySQL). I could always use memcache or something similar, but I would much rather continue with my other dev work that needs to be completed before the deadline - at least retrieving the page work, its simply a matter of optimization. My question therefore is - is 18 db queries for a single page retrieval completely outrageous - (i.e. I should put everything on hold and optimize the hell of the retrieval logic), or shall I continue as normal, meet the deadline and release on schedule and see what happens?

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• Slime: frame-source-location not implemented / is my sldb Backtrace output normal?

  - by Joel

  I'm debugging my Lisp code in Slime. When the debugger generates the Backtrace it's my understanting that I can hit 'v' on a frame to take me to the source. When I do this on the first (0 index) frame (or indeed any frame) I get frame-source-location not implemented Is this expected, am I missing anything? Edit1: In addition every single frame has "No Locals", is this to be expected too? Edit2: In fact, the whole backtrace output is pretty unintelligible. I'm new to Lisp, so I wasn't initially sure if this was expected or not - but I'm attaching a screenshot, hopefully someone can confirm for me if this looks 'normal':

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• ASP.NET GridView throwing error: "Update is disabled for this control".

  - by NTDLS

  I have the absolutely most simple setup imaginable. A single table defined in an Entity model in ASP.net v4, the model is bound directly to a GridView with AutoGenerateEditButton enabled. However, each time I hit edit, then save, the page throws the error “Update is disabled for this control" for which I cannot find a solution. What is causing this error? What can do to resolve it? <% <asp:GridView ID="MenuItemsGrid" runat="server" DataSourceID="gridDataSource" AutoGenerateEditButton="true" AutoGenerateColumns="true"> </asp:GridView> <asp:EntityDataSource ID="gridDataSource" runat="server" ConnectionString="name=dataEntitiesModel" DefaultContainerName="dataEntities" EntitySetName="MenuItems" /> %>

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• updating button text and other issues

  - by droidus

  I am trying to update my button. but the problem is that I can't have an ID/name with it, right, when doing this? so what if I have multiple forms on the page, and must identify the button? <input type="submit" value="Upload my File" style="background-color:#00F; font-size:14px; padding:1em;" onclick=" this.value='Please wait...'; this.disabled = true; var theForm = this.form; window.setTimeout(function(){theForm.submit();},3);" /> also, the button doesn't seem to wait 3 seconds when I hit the submit button.

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• Did the OS X java update to 1.5u7 whack my 1.6.0 laf.jar?

  - by Brian Deacon

  This is the update that just came out this week (2010-05-18) Somebody moved my cheese. It appears that laf.jar is Look And Feel, so probably not a big deal for my java development. Eclipse got mad about the missing jar, and furthermore thinks the 1.6.0 VM disappeared, which it didn't. Had to redefine the VM library within eclipse and everything appears kosher, but was hoping somebody with more hit points than me could say so definitively. Am I all good? Was it really the OSX update for 1.5 that went and hunted down a file in my 1.6 VM? Haven't been able to google anything about this... if somebody could post a link to some info about this, that'd be appreciated too.

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• Reusing an anonymous parameter in a prepared statement

  - by Chris Lieb

  I am customizing the insert SQL generated by hibernate and have hit an issue. When Hibernate generates the query by itself, it inserts data into the first two columns of the table, but this causes a database error since all four columns of the table are non-nullable. For the insert to be performed properly, it must insert the same data into two columns of the new record. This means that I need Hibernate to bind the same data to two different parameters in the query (prepared statement) that I am writing. Is there some SQL syntax that allows me to refer to anonymous parameters bound to a prepared statement in an order different from which they are bound? Details REF_USER_PAGE_XREF ---------------------------------------- PK FK1 | NETWORK_ID | VARCHAR2(100) PK FK1 | PAGE_PATH | VARCHAR2(1000) | USER_LAST_UPDT | VARCHAR2(100) | TMSP_LAST_UPDT | DATE insert into REF_USER_ROLE_XREF( NETWORK_ID, PAGE_PATH, TMSP_LAST_UPDT, USER_LAST_UPDT) values ( ?, /* want to insert the same data here */ ?, ?, /* and here */ (select to_char(sysdate, 'DD-MON-YY') from dual) I want to insert the same data into the first and third anonymous parameters.

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• Vista Basic theme ribbon issue

  - by Alain Rist

  Under Vista, when in Basic theme, after calling IUIFramework::Destroy() the Vista theme is lost, and enlarging the window does not display outside of the initial area. You can repro it easily with the SimpleRibbon SDK sample. In simpleribbon.cpp, insert in the WndProc switch block: case WM_KEYUP: DestroyFramework(); InvalidateRect(hWnd, NULL, TRUE); break; Compile, run, hit a key and try to enlarge in Vista Basic Theme (no problem in Win7 or Vista aero or Windows classic). How to work around? cheers, AR

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• Deploying BlackBerry Applications Across Environments

  - by sethxian

  Has anyone come up with a good solution for deploying BlackBerry applications across different environments? My example is storing URLs and Authentication information in code. In most cases, a developer is going to have a different set of URL's to test against when developing the application vs what the end user is going to hit. The idea is when I go to build for production, I have something swap out the environment settings for the target environment vs manually replacing environment specific code each time. I am currently using eclipse. The only thought I've come up with so far would be to use a resource with encrypted values and have that swap when I run my build. Any ideas?

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• Page load fires twice on Firefox - PLEASE HELP !

  - by The_AlienCoder

  OK 1ST SOME BACKGROUND - I have a page showing the number of hits(or views) of any selected item. The hit counter procedure that is called at every page load i.e if (Request.QueryString.HasKeys()) { // get item id from icoming url e.g details.aspx?itemid=26 string itemid = Request.Params["itemid"]; if (!Page.IsPostBack) { countHit(itemid); } } THE PROBLEM - My expectation was that the counter would be increased by 1 on every page load but the counters on my datalist and formview are always behind and stepped by 2 i.e instead of 1, 2, 3, 4 its - 0, 2 , 4, 6 It seems that the page load is firing twice. Later I discovered that this only happens when you are using Mozilla Firefox. The page behaves fine with other browsers like IE This becoming quite frustrating. CAN ANY1 HELP :-(

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• MessageBox.Show not raising HelpRequested event

  - by Trevortni

  I have a form that is showing a MessageBox using MessageBox.Show, and trying to receive events from the Help button on the MessageBox so I can execute my own code. The Microsoft documentation shows how to do this; however, using what is suggested does not work. Here's a shortened version of my code: Private Function MethodName() As Boolean AddHandler Me.HelpRequested, AddressOf Me.MsgBoxHelpRequested Select Case MessageBox.Show("Text", "Title", MessageButtons.YesNoCancel, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2, 0, True) Case MsgBoxResult.Yes ' Do stuff Case MsgBoxResult.No ' Do stuff Case MsgBoxResult.Cancel RemoveHandler Me.HelpRequested, AddressOf Me.MsgBoxHelpRequested Return False End Select RemoveHandler Me.HelpRequested, AddressOf Me.MsgBoxHelpRequested End Function Private Sub MsgBoxHelpRequested(ByVal sender As Object, ByVal hlpevent As System.Windows.Forms.HelpEventArgs) ' Breakpoint that never gets hit ' More code End Sub I've been searching for a solution to this problem, but the best I've found is this question: http://stackoverflow.com/questions/2407880/how-to-detect-help-button-press-in-windows-forms-messagebox that refers me back to the same Microsoft code that doesn't seem to be working. Can anybody help me with this? Thank you.

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• WCF client hangs on response

  - by JohnIdol

  I have a WCF client (running on Win7) pointing to a WebSphere service. All is good from a test harness (a little test fixture outside my web app) but when my calls to the service originate from my web project one of the calls is extremely slow to deserialize (it takes up to 10 times longer) and not just the first time. I can see from fiddler that the response comes back quickly but then the WCF client hangs on the response itself for more than a minute before the next line of code is hit by the debugger, almost if the client was having trouble deserializing. This happens only if in the response I have a given pdf string, base64 encoded chunked. If for example the service raises a fault (this pdf string is not there) then the response is deserialized immediately. Again, If I send the exact same envelope through Soap-UI or from outside the web project all is good. I am at loss - What should I be looking for and is there some config setting that might do the trick? Any help appreciated!

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