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  • Change connection on the fly

    - by aron
    Hello, I have a SQL server with 50 databases. Each one has the exact same schema. I used the awesome Subsonic 2.2 create the DAL based on one of them. I need to loop though a list of database names and connect to each one and perform an update one at a time. If there a way to alter how subsonic uses the connection string. I believe I would need to store the connection string in memory that way it can keep changing. Is this possible? I tried doing a ConfigurationManager.ConnectionStrings["theConnStrName"].ConnectionString = updated-connection-string-here; .. but that did not work thanks!

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  • Is there a MergedGradientBrush in wpf?

    - by AKRamkumar
    Suppose I had two brushes. One that was a linear gradient brush that was from Dark to light One was a radial brush that went from Dark to light. How could I merge the brushes so that when I apply them, I can apply both at once. EG Check this: 1) http://www.codeproject.com/KB/vista/WindowsVistaRenderer/VistaRenderer4.gif 2) http://www.codeproject.com/KB/vista/WindowsVistaRenderer/VistaRenderer5.gif How could I (In WPF/XAML) merge both into one gradient and then refer to that? (This is Mr. Menendez's Images from Codeproject)

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  • Where to split a string literal

    - by quinmars
    Every time I have to split a long string literal into two (or more) pieces, because it does not fit into a single line, I have to decide if I split the text before or after a space. For example: const char * long_text1 = "This is a long text, which does not fit " "in one line"; /* or */ const char * long_text2 = "This is a long text, which does not fit" " in one line"; I tend to use the first way, but I do not have a real reason for it. So I wonder is there any advantage to favor one of them? I know this questions tend to be coding style question, but that's not my intend. I only want to know if there is a convincing reason why one of those two ways might be preferable.

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  • Recommendations on a WPF Docking Library

    - by Brian Stewart
    We are implementing an application that needs dockable windows, similar to Visual Studio 2005/2008, but with multiple "docking sites", unlike VS's single one. Does anyone have a recommendation on a good library for this - either OSS or commercial? I am aware that Infragistics has one, as well as Divelement's SandDock and WPF-Dock from DevComponents, as well as ActiPro's Docking & MDI product. There is also one on CodeProject. Has anyone used any of these libraries? Was the experience good or bad? If you have experience with one of them, does it support multiple "docking sites"?

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  • Is it possible ot mix named pipe with select in perl

    - by Haiyuan Zhang
    I need to write a daemon that supposed to have one TCP socket and one named pipe. Usually if I need to implement a multi IO server with "pure" sockets, the select based multi-IO model is always the one I will choose. so does anyone of you have ever used named pipe in select or you can just tell me it is impossible. thanks in advance.

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  • CSC folder data access AND roaming profiles issues (Vista with Server 2003, then 2008)

    - by Alex Jones
    I'm a junior sysadmin for an IT contractor that helps small, local government agencies, like little towns and the like. One of our clients, a public library with ~ 50 staff users, was recently migrated from Server 2003 Standard to Server 2008 R2 Standard in a very short timeframe; our senior employee, the only network engineer, had suddenly put in his two weeks notice, so management pushed him to do this project before quitting. A bit hasty on management's part? Perhaps. Could we do anything about that? Nope. Do I have to fix this all by myself? Pretty much. The network is set up like this: a) 50ish staff workstations, all running Vista Business SP2. All staff use MS Outlook, which uses RPC-over-HTTPS ("Outlook Anywhere") for cached Exchange access to an offsite location. b) One new (virtualized) Server 2008 R2 Standard instance, running atop a Server 2008 R2 host via Hyper-V. The VM is the domain's DC, and also the site's one and only file server. Let's call that VM "NEWBOX". c) One old physical Server 2003 Standard server, running the same roles. Let's call it "OLDBOX". It's still on the network and accessible, but it's been demoted, and its shares have been disabled. No data has been deleted. c) Gigabit Ethernet everywhere. The organization's only has one domain, and it did not change during the migration. d) Most users were set up for a combo of redirected folders + offline files, but some older employees who had been with the organization a long time are still on roaming profiles. To sum up: the servers in question handle user accounts and files, nothing else (eg, no TS, no mail, no IIS, etc.) I have two major problems I'm hoping you can help me with: 1) Even though all domain users have had their redirected folders moved to the new server, and loggin in to their workstations and testing confirms that the Documents/Music/Whatever folders point to the new paths, it appears some users (not laptops or anything either!) had been working offline from OLDBOX for a long time, and nobody realized it. Here's the ugly implication: a bunch of their data now lives only in their CSC folders, because they can't access the share on OLDBOX and sync with it finally. How do I get this data out of those CSC folders, and onto NEWBOX? 2) What's the best way to migrate roaming profile users to non-roaming ones, without losing vital data like documents, any lingering PSTs, etc? Things I've thought about trying: For problem 1: a) Reenable the documents share on OLDBOX, force an Offline Files sync for ALL domain users, then copy OLDBOX's share's data to the equivalent share on NEWBOX. Reinitialize the Offline Files cache for every user. With this: How do I safely force a domain-wide Offline Files sync? Could I lose data by reenabling the share on OLDBOX and forcing the sync? Afterwards, how can I reinitialize the Offline Files cache for every user, without doing it manually, workstation by workstation? b) Determine which users have unsynced changes to OLDBOX (again, how?), search each user's CSC folder domain-wide via workstation admin shares, and grab the unsynched data. Reinitialize the Offline Files cache for every user. With this: How can I detect which users have unsynched changes with a script? How can I search each user's CSC folder, when the ownership and permissions set for CSC folders are so restrictive? Again, afterwards, how can I reinitialize the Offline Files cache for every user, without doing it manually, workstation by workstation? c) Manually visit each workstation, copy the contents of the CSC folder, and manually copy that data onto NEWBOX. Reinitialize the Offline Files cache for every user. With this: Again, how do I 'break into' the CSC folder and get to its data? As an experiment, I took one workstation's HD offsite, imaged it for safety, and then tried the following with one of our shop PCs, after attaching the drive: grant myself full control of the folder (failed), grant myself ownership of the folder (failed), run chkdsk on the whole drive to make sure nothing's messed up (all OK), try to take full control of the entire drive (failed), try to take ownership of the entire drive (failed) MS KB articles and Googling around suggests there's a utility called CSCCMD that's meant for this exact scenario...but it looks like it's available for XP, not Vista, no? Again, afterwards, how can I reinitialize the Offline Files cache for every user, without doing it manually, workstation by workstation? For problem 2: a) Figure out which users are on roaming profiles, and where their profiles 'live' on the server. Create new folders for them in the redirected folders repository, migrate existing data, and disable the roaming. With this: Finding out who's roaming isn't hard. But what's the best way to disable the roaming itself? In AD Users and Computers, or on each user's workstation? Doing it centrally on the server seems more efficient; that said, all of the KB research I've done turns up articles on how to go from local to roaming, not the other way around, so I don't have good documentation on this. In closing: we have good backups of NEWBOX and OLDBOX, but not of the workstations themselves, so anything drastic on the client side would need imaging and testing for safety. Thanks for reading along this far! Hopefully you can help me dig us out of this mess.

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  • unusual ternary operation

    - by nik
    Hi, I was asked to perform this operation of ternary operator use: $test='one'; echo $test == 'one' ? 'one' : $test == 'two' ? 'two' : 'three'; Which prints two (checked using php). I am still not sure about the logic for this. Please, can anybody tell me the logic for this.

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  • Image overlapping in widget

    - by Hunt
    I am trying to create a widget in android in which when I click over image the image gets changed with a new one -- kind of toggle image. But when I click over it, the image overwrites over the old one rather then replacing the new one. I don't know whether this is the way the widget works or am I doing something wrong. My images are semi-transparent so in case one overrides another one can see the image which is being overlapped. This is the code that I have written in OnReceive by overriding it: @Override public void onReceive(Context context, Intent intent){ if (intent.getAction().equals(iAlertConstant.ACTION_WIDGET_UPDATE_FROM_WIDGET)) { RemoteViews remoteViews = new RemoteViews(context.getPackageName(),R.layout.mywidget); remoteViews.setImageViewResource(R.id.btnOnOff,R.drawable.offbtn); ComponentName thisWidget = new ComponentName(context, EmergencyWidget.class); AppWidgetManager.getInstance(context).updateAppWidget(thisWidget, remoteViews); } else super.onReceive(context, intent); } Layout <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:background="@drawable/widget_background" android:paddingLeft="10.0dip" android:paddingTop="8.0dip" android:paddingRight="10.0dip" android:paddingBottom="8.0dip" android:layout_width="fill_parent" android:layout_height="72dp" android:layout_marginLeft="10.0dip" android:layout_marginTop="10.0dip" android:layout_marginRight="10.0dip" android:id="@+id/emergencyWidget" android:orientation="horizontal"> <ImageView android:background="@drawable/offbtn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="7dp" android:layout_marginLeft="4dp" android:layout_marginRight="4dp" android:layout_gravity="right" android:id="@+id/btnOnOff" /> </LinearLayout>

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  • Preserving order when copying elements using Deliverance / XPath

    - by Jon Hadley
    How would I, using Deliverance & XPath (or CSS) selectors, select and copy list items .one and .three from each list below, but display them in the order of their parent list? <ul id="a-wrapper"> <li class="one"></li> <li class="two"></li> <li class="three"></li> <li class="four"></li> </li> <ul id="b-wrapper"> <li class="one"></li> <li class="two"></li> <li class="three"></li> <li class="four"></li> </ul> c,d,e,f,g etc.... The catch is it needs to use a href rule, eg: <prepend href="/blah/deblah" content="#x" theme="#y" /> Using the following just lists all the .one elements, then all the .three elements. <prepend href="/blah/deblah" content=".one" theme="#y" /> <prepend href="/blah/deblah" content=".three" theme="#y" />

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  • How to get the data buffer of screen in screen stack in Android?

    - by Glory Jiang
    Currently I want to develop one Activity to allow the user to see the screens/activites of all running tasks , then the user can select one of them to switch it to foreground. As I known, HTC Sence seems already to have this implementation for Home screen, to display the thumbnail of all Home panels in one screen. Does anybody know how to access screen stack in Android? Thanks.

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  • Recognition source of event in PyQT

    - by xTrol
    Hi, I`m starting with PyQt4 and right now I have a problem with events. I have one main class let say MainWindow. MainWindow has a list of buttons of type ButtonX (inherence form QPushButton). I would like to achieve one of 2 solutions (depends which is easier). 1) After click one of the button from the list I would like to run a one method of MainWindow. I would like to be able to read a source of event there (recognize clicked button) 2) Second solution is to run a method defined in ButtonX class. What I tried is: QtCore.QObject.connect(self.getButton(0, 0), QtCore.SIGNAL("clicked()"), self.getButton(0, 0).buttonMethod()) QtCore.QObject.connect(self.getButton(0, 0), QtCore.SIGNAL("clicked()"), self.getButton(0, 0), QtCore.SLOT("incrementValue()")) and even this line occure suspend Python interpreter QtCore.QObject.connect(self.getButton(0, 0), QtCore.SIGNAL("clicked()"), self.getButton(0, 0), QtCore.SLOT("incrementValue"))

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  • Moving front page (cursebird or foursquare)

    - by Dan Samuels
    Ok so I'll be honest, I have a good amount of experience with php/mysql, I've just started learning jQuery and I've done very little, but some with ajax. So using the terms ajax/jquery interchangeably are a bit confusing to me. Anyway as the title suggest I have a website with 5 items, and I want them to move (meaning, if a more recent one is entered, remove the last item, and put the new one on top), they are 5 of the most recent items in the database table, now I've coded jquery as a test so it fades out the last one, the whole thing moves down, makes room at the top, and fades in a new one. However, it's a test and has 0 interaction with the database, the one that fades in is just in a hidden div. So the jQuery part is taken care of. So I'm unsure how to go about this, I was thinking maybe have ajax check a website off the page that has those 5 items in raw format, and if they change then to refresh? Not looking for a "plz code 4 me" answer, just the concept of how it would work, or some links to get off to the right start. edit - Also, the 5 items are ranked, so if I click item 3 I need it to move above item 2 refreshlessly, so this causes a whole other issue I assume.

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  • Doctrine generate models - problem with relation type

    - by mrok
    I am trying generate doctrine models from yaml schema I have schema like that: Product: columns: id: type: integer(5) primary: true unsigned: true autoincrement: true activation_time: type: datetime notnull: true enduser_id: type: integer(5) unsigned: true notnull: true relations: Enduser: foreignType: one type: one foreignAlias: Product Hostid: columns: id: type: integer(5) primary: true unsigned: true autoincrement: true value: type: string(32) fixed: true notnull: true Order: columns: id: type: integer(5) primary: true autoincrement: true unsigned: true expire_date: type: datetime description: type: clob Enduser: columns: id: type: integer(5) primary: true unsigned: true autoincrement: true hostid_id: type: integer(5) unsigned: true notnull: true order_id: type: integer(5) unsigned: true notnull: true relations: Order: foreignAlias: Endusers Hostid: foreignAlias: Endusers and the problem is that models generated by doctrine generate-models-yaml are wrong in BaseEnduser $Product is defined as Doctrine_Collection $this-hasMany('Product', array( 'local' = 'id', 'foreign' = 'enduser_id')); instead just Product object what did I wrong? relation is defined as foreignType: one type: one

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  • How to insert a float into a SQL table in the rigth locale

    - by SoMoS
    Hello, I have to insert float values into different SQL Servers. Each one can have different locales so in one it the representation could be "42,2" and at another one "42.2" or whatever. How should i construct the query so it works in any SQL Server? Do i need to detect the locale of the server before constructing the query or what? Thanks in advance mates.

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  • Best practice to structure large html-based project

    - by AntonAL
    I develop Rails based website, enjoying using partials for some common "components" Recently, i faced a problem, that states with CSS interference. Styles for one component (described in css) override styles for another components. For example, one component has ... <ul class="items"> ... and another component has it too. But that ul's has different meaning in these two components. On the other hand, i want to "inherit" some styles for one component from another. For example: Let, we have one component, called "post" <div class="post"> <!-- post's stuff --> <ul class="items"> ... </ul> </div And another component, called "new-post": <div class="new-post"> <!-- post's stuff --> <ul class="items"> ... </ul> <!-- new-post's stuff --> <div class="tools">...</div> </div Post and new-post have something similar ("post's stuff") and i want to make CSS rules to handle both "post" and "new-post" New post has "subcomponents", for example - editing tools, that has also: <ul class="items"> This is where CSS rules starting to interfer - some rules, targeted for ul.items (in post and new-post) applies subcomponent of new-post, called "tools" On the one hand - i want to inherit some styles On the other hand, i want to get better incapsulation What are the best practices, to avoid such kind of problems ?

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  • How can I tweak this elisp function to distinguish between C-d & DEL?

    - by Fletcher Moore
    Here's my current function (blindly copy-pasted from a website) (defun tweakemacs-delete-one-line () "Delete current line." (interactive) (beginning-of-line) (kill-line) (kill-line)) (global-set-key (kbd "C-d") 'tweakemacs-delete-one-line) There are two quirks here that I want to get rid of. 1) This actually rebinds DEL to the same function. I want my DEL to remain "delete one character". 2) There needs to be a condition where it will not double-kill if the line is only a newline character.

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  • Event feed implementation - will it scale?

    - by SlappyTheFish
    Situation: I am currently designing a feed system for a social website whereby each user has a feed of their friends' activities. I have two possible methods how to generate the feeds and I would like to ask which is best in terms of ability to scale. Events from all users are collected in one central database table, event_log. Users are paired as friends in the table friends. The RDBMS we are using is MySQL. Standard method: When a user requests their feed page, the system generates the feed by inner joining event_log with friends. The result is then cached and set to timeout after 5 minutes. Scaling is achieved by varying this timeout. Hypothesised method: A task runs in the background and for each new, unprocessed item in event_log, it creates entries in the database table user_feed pairing that event with all of the users who are friends with the user who initiated the event. One table row pairs one event with one user. The problems with the standard method are well known – what if a lot of people's caches expire at the same time? The solution also does not scale well – the brief is for feeds to update as close to real-time as possible The hypothesised solution in my eyes seems much better; all processing is done offline so no user waits for a page to generate and there are no joins so database tables can be sharded across physical machines. However, if a user has 100,000 friends and creates 20 events in one session, then that results in inserting 2,000,000 rows into the database. Question: The question boils down to two points: Is this worst-case scenario mentioned above problematic, i.e. does table size have an impact on MySQL performance and are there any issues with this mass inserting of data for each event? Is there anything else I have missed?

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  • jquery: adding class on to list-items only on mouseover-remove on mouse-out?

    - by user239831
    hey guys, what's the best way to do that: i have a list <ul> <li>hello</li> <li>good bye</li> <li>arrivederci</li> <li class="selected">dude</li> <li>whatever</li> </ul> Initially one item already has a class of .selected applied. When i hover over one of the list-items i want this one to have the .selected class. So every item should only have the class applied when im over, as soon as i leave the item the class get's removed and the next one has the class.

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  • Cocoa framework development: sharing between projects

    - by e.James
    I am currently developing a handful of similar Cocoa desktop apps. In an effort to share code between them, I have identified a set of core classes and functions that can be common across all of these applications. I would like to bundle this common code into a framework which all of my current applications (and any future ones) can link against. Now, here's the hard part: I'm going to be developing this framework as I go, so I need each of my desktop apps to have a reference to it, but I want to be able to edit the framework source code from within each of the app projects and have the framework automatically rebuilt as required. For example, let's say I have the Xcode project for DesktopAppNumberOne open, and I decide that one of my framework classes needs to be changed. I would like to: Open and edit the source file for that framework class without having to open the framework project in Xcode. Hit "build" on DesktopAppNumberOne, and see the framework rebuilt first (because one of its sources has changed), then see parts of DesktopAppNumberOne rebuilt (because one of the frameworks it links against has changed). I can see how to do this with only one app and one framework, but I'm having trouble figuring out how to do it with multiple apps that share a single framework. Has anyone had success with this approach? Am I perhaps going about this the wrong way? Any help would be appreciated.

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  • Evenly distribute items on the screen

    - by abolotnov
    I am trying to solve this little puzzle (the algorithm): I have N image icons and I want to distribute them evenly on users screen. Say, I put them in a table. If there is one image, there will be one cell in a table. If two - one row with two columns, if three - one row and three columns, if four - two rows, two columns... and so on until row space is gone and since then the table should only grow in columns without adding extra rows. I'm trying to figure an algorithm for this and perhaps this is something that has a solution already somewhere? My attempt is so far something like this: obtain_max_rows() obtain_visible_columns() if (number_of_pictures > max_rows*max_columns) { columns = roundup(number_of_pictures/max_rows) for(max_rows){generate row;for columns{generate column}} } else { **here comes to trouble...** } This logic is bit silly though - it somehow needs to think cases where there are 12 pictures on first screen and 2 on the other trying to balance it say 8/6 or somehow like that.

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  • How to dynamically modify NHibernate load queries at runtime? EventListeners? Interceptors?

    - by snicker
    I need to modify the query used to load many-to-one references in my model. Specifically, I need to be able to further filter this data. Unfortunately, NH will not allow me to filter many-to-one relationships using the built in filtering system (?). I could just be doing something incorrect. Is there a hook where I can manually and dynamically modify the query used to load the data? Or an alternative to filters that will allow me to specify parameters? Background: I am working with a database that is using a form of revision control, with each entity having a natural ID PK, an EntityId, a RevisionValidTo and RevisionValidFrom field. There may be many rows using the same EntityId, which is the reference for other tables to join on, but the Revision ranges are mutually exclusive. Thus, the relationship is only many-to-one IIF the filter is applied. However, NH offers no way to specify a filter on many-to-one references (they do for collections...)

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  • why doesn't IE8 refresh textbox right away?(Jquery)

    - by AndrewSmith
    I have 3 radio buttons and one textbox in my page. These 3 radio controls represent corresponding choice and among them, the third one enables textbox that is disabled by default. If user clicks any one from the first twos after clicking the third, the textbox will be emptied(if user input any) and disabled again. The problem is, in IE, the textbox isn't emptied not until I click back once again on the said textbox. I've used jquery val methods as well as attr but nothing seems to work. You can see my code as follows. The very same code works just fine in Mozilla. I'm not sure why IE is having problem. m.bind_eventform = function(){ $('input[name=poster]').change(function(){ if($('input[name=poster]:checked').val()==2) $('#poster_other').removeAttr('disabled'); else if(!($('#poster_other').is(':disabled'))) { $('#poster_other').attr('disabled','disabled'); $('#poster_other').attr('value',''); //this one doesn't work $('#poster_other').val(''); //as well as this one } }); }; $(document).ready(m.bind_eventform);

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