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• How to invalidate / refresh a domain instance association?

  - by Kimble

  There is a bug in Grails preventing me from using removeFrom* when the node I'm trying to remove is extending the collection type. Removing the node directly from the association won't update the second level cache. A hasMany B Is there any way to manually invalidate or force a reload on an association cache? Invoking refresh() on the many side didn't do the trick.

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• Variable declarations in header files - static or not?

  - by Rob

  When refactoring away some #defines I came across declarations similar to the following in a C++ header file: static const unsigned int VAL = 42; const unsigned int ANOTHER_VAL = 37; The question is, what difference, if any, will the static make? Note that multiple inclusion of the headers isn't possible due to the classic #ifndef HEADER #define HEADER #endif trick (if that matters). Does the static mean only one copy of VAL is created, in case the header is included by more than one source file?

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• iPhone Game Having a statement checked every 50 points

  - by user298261

  Hello! I've run into a little hurdle and wanted to see if somebody could help me! I want to write an algorithm for an if statement that says: if (for every 50 points) { //do something } I thought += 50 would do the trick, but nope. Any ideas? Thanks!

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• Any way to determine which object called a method? [Ruby]

  - by Joe

  I'm hoping that Ruby's message-passing infrastructure means there's some clever trick for this... How do I determine the calling object -- which object called the method I'm currently in?

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• How do they do that? Transparent foreground on a web page

  - by Jim Beam

  You know how sometimes you are on a good site and you click a button (like to submit a form) and the form doesn't go away, instead, the foreground becomes transparent and it contains a message of some kind, or another page. The message is at the forefront but the previous page is still mostly visible behind it - how do they do that? I'm assuming it's an Ajax-esque trick.

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• How Can I Programmatically Build a Multi-Page TIFF out of Many Single Page TIFFs, Using Python?

  - by MetaHyperBolic

  I've found, via Google, numerous people asking the same question, but no solutions. The Python Image Library (PIL) has tools for stepping through an already existing multi-page TIFF, but nothing about creating them. Libraries would hopefully be available on Windows, for Python 2.6. If there's some freeware out there which will do the trick, I wouldn't mind seeing it, but I was hoping I could accomplish this in Python.

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• how to select posts by particular author? (wordpress)

  - by Radek

  I have a page with template No Sidebars I want to list 5 posts' titles on that page by author where the author's name = page's title any idea how to do so without using any plugin? I thought that query_posts function would do the trick but this important note kind of tells me that I cannot use query_posts

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• This app are using long polling ?

  - by xRobot

  Hi at all, I want to know if this web app are using long polling or anything else "javascript trick": http://typewith.me/2wicOjuefI Is there a way to know that ? Thanks ;)

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• Determine the size of Groove Workspaces programmatically?

  - by John Christman

  Is there a trick in the Groove Web Services to find the size of a Groove Workspace, as displayed on the Properties dialog? Most of the other information shown here is available, but I can't find size. Thanks for the help..

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• MS Access 2007 - Property for text box to allow end-user to hit enter for return, not next

  - by Justin

  So I have a form that user's use for data entry, and on one form there is a text box there that is basically used. To enter notes. However, if the user hits i need the cursor to stay in that text box, and start a new line (uh....like word would)....but currently it is jumping to the next control (text box). So is there a simple property setting that would do the trick? Or a VBA method to accomplish? Thanks Justin

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• Handle window's scroll bar's mouse move (WinAPI)

  - by user146780

  I have a window that has scroll bar styles so it has its own scrollbars. I want something to happen when the mouse hovers over the scroll bars, but handling the window's mouse move doesn't do the trick. How can I handle the scrollbars' mousemove event? Thanks

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• Which sites/blog would you prefer to learn advanced pure css techniques

  - by metal-gear-solid

  Which sites/blog (not book) would you prefer to learn advanced CSS techniques (not basic)? Site which updates new only css and pure css (no client side and server side) techniques, articles on daily or weekly basis. Or you can suggest any pure css rss feeds. My aim is to learn one new technique/trick daily. I know some well known blogs but do you know any hidden treasures.

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• How to close a java swing application from the code

  - by hstoerr

  What is the proper way to terminate a Swing application from the code, and what are the pitfalls? I'd tried to close my application automatically after a timer fires. But just calling dispose() on the JFrame didn't do the trick - the window vanished but the application did not terminate. However when closing the window with the close button, the application does terminate. What should I do?

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• How can I delete a newline if it is the last character in a file?

  - by Todd Partridge

  I have some files that I'd like to delete the last newline if it is the last character in a file. 'od -c' shows me that the command I run does write the file with a trailing new line: 0013600 n t > \n I've tried a few tricks with sed but the best I could think of isn't doing the trick: sed -e '$s/\(.*\)\n$/\1/' abc Any ideas how to do this?

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• How do I update the system wallpaper in an Android 1.6 service after changing it with setWallpaper()

  - by Majakk

  So basically the code "almost" works - the problem is that the system does not appear to know that the system wallpaper have been changed or does not do anything about it. Starting and closing another app manually appears to enforce an update. In an event call the following is done: getApplicationContext().setWallpaper(pWallOne); Is there some way of telling the android system to update the graphics or to do some cheap trick that forces it to? Any help or tip would be very much appreciated!!

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• Did anyone manage to make katmouse work over vs 2010

  - by Silviu

  As you might know katmouse enables scrolling over non active windows. Which would be especially great in vs 2010 because now you can take source code windows to other monitors. But of course it does not work. Is there a trick to make WPF receive the right message?

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• How can I use "FOR UPDATE" with a JOIN on Oracle?

  - by tangens

  The answer to another SO question was to use this SQL query: SELECT o.Id, o.attrib1, o.attrib2 FROM table1 o JOIN ( SELECT DISTINCT Id FROM table1, table2, table3 WHERE ... ) T1 ON o.id = T1.Id Now I wonder how I can use this statement together with the keyword FOR UPDATE. If I simply append it to the query, Oracle will tell me: ORA-02014: cannot select FOR UPDATE from view Do I have to modify the query or is there a trick to do this with Oracle? With MySql the statement works fine.

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• Android 1.6 Browser List box HTML element

  - by Rok

  Is it possible that the Android browser renders the HTML list box, such as: item 1 item 2 item 3 item 4 All as a dropdown? I can't seem to get it to display a proper multiline listbox. Anyone knows what the trick is?

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• Is there a way to find out the current count of a win32 semaphore?

  - by Paul Oyster

  I'm looking for a way with no side effects. Ideally, the following code would do the trick: long currentCount = 0; ::ReleaseSemaphore(h, 0, &currentCount); But unfortunately 0 is not allowed as the value of lReleaseCount, so the call returns FALSE.

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• Function overloading in C

  - by Andrei Ciobanu

  Today, looking at the man page for open(), I've noticed this function is 'overloaded': int open(const char *pathname, int flags); int open(const char *pathname, int flags, mode_t mode); I didn't thought it's possible on C. What's the 'trick' for achieving this ?

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• Popout/expand links on mouseover without changing text/elements flow

  - by Timm

  I'd like links to "pop out" of the page when hovering over them, without changing the position/flow of text/elements nearby. See attached example shot. I'm pretty sure this is a simple position trick, but I'm having trouble getting it to work properly. I'd prefer this not to require any JS, if possible. Any advice is much appreciated.

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• Where can I find good ajax support in Java/Python ?

  - by HJ-INCPP

  Hello, I want a framework (or anything) that helps me make rich client guis. I know my server-side, but I don't like programming in ajax, javascript, css etc. Something that wraps the ajax code in some objects/methods with clean syntax, would do the trick. I want to write code in java instead of defining css and html tags. Does Java Spring, JSF, Django support this ? Languages: Java, Python Thank you

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• How to delete every reference of an object in Python?

  - by Juanjo Conti

  Supose you have something like: x = "something" b = x l = [b] How can you delete the object only having one reference, say x? del x won't do the trick; the object is still reachable from b, for example.

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• How to get the root path in JavaScript?

  - by Axel

  I am using mod_rewrite to remap the URLs in my website in the following format: http://www.mydomain.com/health/54856 http://www.mydomain.com/economy/strategy/911025/ http://www.mydomain.com/tags/obama/new The problem is that I am making AJAX calls to a file: http://www.mydomain.com/login.php And I don't want to write the FULL url or even use the ../ trick because there isn't a fixed level of folders. So, what i want is something to access the login.php from the root, whatever the domain name is: $.ajax({ type: "POST", url: "http://www.mydomain.com/login.php" });

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• How can I move windows in Windows with keyboard? [closed]

  - by nestling

  I recently started using Linux and was floored by the ease with which windows can be moved and resized with simple keyboard combinations using Compiz. If I want to move a terminal to top-right of the screen a simple CTRL+ALT+Numpad9 does the trick for me, and it resizes the window at the same time. I'm sure you guys know what I'm talking about. I would like to know if there is a way to do this in windows. Thanks.

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