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  • Prevent process leak on LAMP environment

    - by Guerra
    I work with Magento applications, and i'm on kind of situation: When user load some stores that have mutch information/jquery need lot of server process, if the user refresh the store mutch times pressing F5 the server get too mutch slow and difficult to use the store. I need prevent this F5 'hack' slow my server, what i can do?? I think some kind of javascript/php solution. But i want you opnion. Ty all in advance.

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  • Prevent ListBox scrolling to top when updated

    - by WDZ
    I'm trying to build a simple music player with a ListBox playlist. When adding audio files to the playlist, it first fills the ListBox with the filenames and then (on a separate thread) extracts the ID3 data and overwrites the filenames with the correct Artist - Title information (much like Winamp). But while the ListBox is being updated, it's unscrollable, as it always jumps to the top on every item overwrite. Any way to prevent this?

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  • How to prevent components from rendering in Flex

    - by Tam
    Is there a way to prevent a component from rendering in Flex (to save memory or processing power)? I tried doing something like: <components:AddNewItemGroup id="addItemGroup" visible="false" enabled="false" horizontalCenter="0" bottom="0" /> I noticed that the component gets rendered but it's just not visible or functional.

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  • wxpython Prevent Ctrl+Enter from changing the focus

    - by RSabet
    I have two wxListCtrl and want to process the Ctrl+Enter keyboard event without letting wx change the focus to the other ListCtrl. I have event handlers for wx.EVT_KEY_DOWN, wx.EVT_KEY_UP, wx.EVT_CHAR and KillFocus, but KillFocus is always called first, then the focus changes and the the keyboard handlers are called for the wrong ListCtrl. Is there a way to prevent wx from changing the focus, when Ctrl+Enter is pressed ?

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  • Prevent monitor from powering on

    - by concretemixer
    I'm turning off the monitor using SendMessage(HWND_BROUADCART, WM_SYSCOMMAND, SC_MONITORRPOWER, 2). That works, but the monitor turns back on when someone touches the keyboard or mouse. I tried to get rid of this using the DevicePowerSetDeviceState function with DEVICEPOWER_CLEAR_WAKEENABLED for the keyboard and mouse: it returns no error, but has no effect either. How can I prevent the monitor from powering back on in Vista and Windows7?

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  • Prevent <img> tags in HTML from wrapping

    - by IL CARTOLAiO
    Hi all, I have a javascript that dynamically creates many <img> tags, and appends them to various divs. I want to prevent these images from wrapping; when the screen resolution is not enough to contain them the browser should create horizontal scroll-bars. Sorry for this bad English.

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  • prevent default hover

    - by meo
    I try to prevent the Browser from using the :hover effect of the CSS. $("ul#mainFilter a").hover( function(o){ o.preventDefault(); ...do my stuff... }, function(o){ o.preventDefault(); ...do my stuff... }); I tired it with return false; to but it does not work. Does anyone know how to do this?

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  • How To Prevent Processes From Starting?

    - by Rob P.
    I'm toying around with a very simplistic sort of process-monitor. Currently, it gets a list of the running processes and attempts to kill any process that is not white-listed. What I'm looking for is a way to prevent a process from starting that isn't on the white-list. If that's possible. My knowledge level in this area is pretty non-existent and my Google-fu only returns websites discussing Process.Start() :( Can anyone point me in the right direction?

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  • PHP: Prevent a function from returning value?

    - by Industrial
    Hi everybody, How could I make sure that the startProcess(); function is being called, but without halting the execution for myFunction(). I'll guess that there's a way to call a function and prevent it from returning it's value to thereby accomplishing this? Pseudo-code: function myFunction() { startProcess(); return $something; } function startProcess() { sleep(5); // Do stuff that user doesn't should have to wait for. }

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  • Wine PPA dependency problems after upgrading to 12.04

    - by Pablo
    I recently upgraded my Ubuntu up to 12.04. Untill that, i can't use synaptic at all. After trying to repair the issue through synaptics, it returns me: installArchives() failed: dpkg: dependency problems prevent configuration of wine1.4-i386:i386: wine1.4-i386:i386 depends on wine1.4-common (= 1.4.1-0ubuntu1~precise1~ppa3); however: Version of wine1.4-common on system is 1.4-0ubuntu4. dpkg: error processing wine1.4-i386:i386 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of wine1.4: wine1.4 depends on wine1.4-amd64 (= 1.4-0ubuntu4); however: Version of wine1.4-amd64 on system is 1.4.1-0ubuntu1~precise1~ppa3. wine1.4 depends on wine1.4-i386 (= 1.4-0ubuntu4); however:No apport report written because MaxReports is reached already No apport report written because MaxReports is reached already Package wine1.4-i386 is not installed. Version of wine1.4-i386:i386 on system is 1.4.1-0ubuntu1~precise1~ppa3. dpkg: error processing wine1.4 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of wine1.4-common: wine1.4-common depends on wine1.4 (= 1.4-0ubuntu4); however: Package wine1.4 is not configured yet. dpkg: error processing wine1.4-common (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of wine1.4-amd64: wine1.4-amd64 depends on wine1.4-common (= 1.4.1-0ubuntu1~precise1~ppa3); however: Version of wine1.4-common on system is 1.4-0ubuntu4. dpkg: error processing wine1.4-amd64 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of wine: wine depends on wine1.4; however: Package wine1.4 is not configured yet. dpkg: error processing wine (--configure): dependency problems - leaving unconfigured dpkg: depeNo apport report written because MaxReports is reached already No apport report written because MaxReports is reached already No apport report written because MaxReports is reached already ndency problems prevent configuration of playonlinux: playonlinux depends on wine | wine-unstable; however: Package wine is not configured yet. Package wine1.4 which provides wine is not configured yet. Package wine-unstable is not installed. dpkg: error processing playonlinux (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: wine1.4-i386:i386 wine1.4 wine1.4-common wine1.4-amd64 wine playonlinux Error in function: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1) dpkg: dependency problems prevent configuration of wine1.4: wine1.4 depends on wine1.4-amd64 (= 1.4-0ubuntu4); however: Version of wine1.4-amd64 on system is 1.4.1-0ubuntu1~precise1~ppa3. wine1.4 depends on wine1.4-i386 (= 1.4-0ubuntu4); however: Package wine1.4-i386 is not installed. Version of wine1.4-i386:i386 on system is 1.4.1-0ubuntu1~precise1~ppa3. dpkg: error processing wine1.4 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of wine: wine depends on wine1.4; however: Package wine1.4 is not configured yet. dpkg: error processing wine (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of wine1.4-common: wine1.4-common depends on wine1.4 (= 1.4-0ubuntu4); however: Package wine1.4 is not configured yet. dpkg: error processing wine1.4-common (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of wine1.4-amd64: wine1.4-amd64 depends on wine1.4-common (= 1.4.1-0ubuntu1~precise1~ppa3); however: Version of wine1.4-common on system is 1.4-0ubuntu4. dpkg: error processing wine1.4-amd64 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of wine1.4-i386:i386: wine1.4-i386:i386 depends on wine1.4-common (= 1.4.1-0ubuntu1~precise1~ppa3); however: Version of wine1.4-common on system is 1.4-0ubuntu4. dpkg: error processing wine1.4-i386:i386 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of playonlinux: playonlinux depends on wine | wine-unstable; however: Package wine is not configured yet. Package wine1.4 which provides wine is not configured yet. Package wine-unstable is not installed. dpkg: error processing playonlinux (--configure): dependency problems - leaving unconfigured I tried the following: sudo apt-get clean sudo apt-get autoclean sudo apt-get install -f And returnsme: Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: wine1.4 wine1.4-common Suggested packages: dosbox The following packages will be upgraded: wine1.4 wine1.4-common 2 upgraded, 0 newly installed, 0 to remove and 110 not upgraded. 6 not fully installed or removed. Need to get 0 B/1,126 kB of archives. After this operation, 9,216 B of additional disk space will be used. Do you want to continue [Y/n]? y dpkg: dependency problems prevent configuration of wine1.4-i386:i386: wine1.4-i386:i386 depends on wine1.4-common (= 1.4.1-0ubuntu1~precise1~ppa3); however: Version of wine1.4-common on system is 1.4-0ubuntu4. dpkg: error processing wine1.4-i386:i386 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of wine1.4: wine1.4 depends on wine1.4-amd64 (= 1.4-0ubuntu4); however: Version of wine1.4-amd64 on system is 1.4.1-0ubuntu1~precise1~ppa3. wine1.4 depends on wine1.4-i386 (= 1.4-0ubuntu4); however: Package wine1.4-i386 is not installed. Version of wine1.4-i386:i386 on system is 1.4.1-0ubuntu1~precise1~ppa3. No apport report written because the error message indicates its a followup error from a previous failure. dpkg: error processing wine1.4 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of wine1.4-common: wine1.4-common depends on wine1.4 (= 1.4-0ubuntu4); however: Package wine1.4 is not configured yet. dpkg: error processing wine1.4-common (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of wine1.4-amd64: wine1.4-amd64 depends on wine1.4-common (= 1.4.1-0ubuntu1~precise1~ppa3); however: Version of wine1.4-common on system is 1.4-0ubuntu4. dpkg: error processing wine1.4-amd64 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of wine: wine depends on wine1.4; however: Package wine1.4 is not configured yet. dpkg: error processing wine (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of playonlinux: playonlinux depends on wine | wine-unstable; however: PackagNo apport report written because the error message indicates its a followup error from a previous failure. No apport report written because the error message indicates its a followup error from a previous failure. No apport report written because MaxReports is reached already No apport report written because MaxReports is reached already e wine is not configured yet. Package wine1.4 which provides wine is not configured yet. Package wine-unstable is not installed. dpkg: error processing playonlinux (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: wine1.4-i386:i386 wine1.4 wine1.4-common wine1.4-amd64 wine playonlinux E: Sub-process /usr/bin/dpkg returned an error code (1) Cna anyone helpme? I've been searching for a sollution for days and still can't solve it. Thanks! Pablo

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  • Prevent ASP.net __doPostback() from jQuery submit() within UpdatePanel

    - by Ed Woodcock
    I'm trying to stop postback on form submit if my custom jQuery validation returns false. Is there any way to prevent the __doPostback() function finishing from within the submit() function? I'd assumed: $('#aspnetForm').submit(function () { return false; }); would do the trick, but apparently that's not the case: does anyone have a suggestion? The submit() function does block the postback (it won't postback if you pause at a breakpoint in firebug), but I can't seem to stop the event happening after the submit() function is complete! Cheers, Ed EDIT OK, I had a quick mess about and discovered that the fact that the button I'm using to cause the postback is tied to an updatepanel as an asyncpostbacktrigger seems to be the problem: If I remove it as a trigger (i.e. cause it to product a full postback), the is no problem preventing the postback with return false; Any ideas why the async postback would not be stoppable using return false?

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  • Prevent Python from caching the imported modules

    - by Olivier
    While developing a largeish project (split in several files and folders) in Python with IPython, I run into the trouble of cached imported modules. The problem is that instructions import module only reads the module once, even if that module has changed! So each time I change something in my package, I have to quit and restart IPython. Painful. Is there any way to properly force reloading some modules? Or, better, to somehow prevent Python from caching them? I tried several approaches, but none works. In particular I run into really, really weird bugs, like some modules or variables mysteriously becoming equal to None... The only sensible resource I found is Reloading Python modules, from pyunit, but I have not checked it. I would like something like that. A good alternative would be for IPython to restart, or restart the Python interpreter somehow. So, if you develop in Python, what solution have you found to this problem?

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  • Prevent onbeforeunload from being called when clicking on mailto link

    - by Amit
    Is there anyway to prevent onbeforeunload from being called when clicking on mailto link in chrome. In FF, Safari, IE it is working fine. <html> <head> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"> google.load("jquery", "1.3.2"); </script> <script type="text/javascript"> $(document).ready(function(){ window.onbeforeunload = confirmExit; }); function confirmExit() { return "Are you sure?"; } </script> </head> <body> <a href="mailto:[email protected]?subject=test mail&body=Hello%20World">Mail Link</a> </body> </html>

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  • Delphi and prevent event handling

    - by pKarelian
    How do you prevent a new event handling to start when an event handling is already running? I press a button1 and event handler start e.g. slow printing job. There are several controls in form buttons, edits, combos and I want that a new event allowed only after running handler is finnished. I have used fRunning variable to lock handler in shared event handler. Is there more clever way to handle this? procedure TFormFoo.Button_Click(Sender: TObject); begin if not fRunning then try fRunning := true; if (Sender = Button1) then // Call something slow ... if (Sender = Button2) then // Call something ... if (Sender = Button3) then // Call something ... finally fRunning := false; end; end;

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  • jquery boxy plugin: prevent multiple instances of the same dialog when clicking the link multiple ti

    - by Lyon
    Hi, I'm using the Boxy jQuery plugin to open dialog windows and populating it through ajax. http://onehackoranother.com/projects/jquery/boxy/ Here's my code so far: $("a.create").click(function (e) { url = $(e.target).attr('href'); Boxy.load(url, {title:'Test'}); }); This opens up a dialog alright. However, if I click the link again, another dialog will open. How can I make it such that the previously opened Boxy dialog will come into focus? I only want one instance of this dialog. I tried assigning a variable to var ele = Boxy.load(); but the variable ele returns undefined... Alas, I can't make out much from the limited Boxy documentation available. Enabling the option modal: true would prevent the user from clicking on the link multiple times, but I don't want the overlay to show. Thanks for any light you can shed on this. -Lyon

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  • How to prevent code/option injection in a bash script

    - by asmaier
    I have written a small bash script called "isinFile.sh" for checking if the first term given to the script can be found in the file "file.txt": #!/bin/bash FILE="file.txt" if [ `grep -w "$1" $FILE` ]; then echo "true" else echo "false" fi However, running the script like > ./isinFile.sh -x breaks the script, since -x is interpreted by grep as an option. So I improved my script #!/bin/bash FILE="file.txt" if [ `grep -w -- "$1" $FILE` ]; then echo "true" else echo "false" fi using -- as an argument to grep. Now running > ./isinFile.sh -x false works. But is using -- the correct and only way to prevent code/option injection in bash scripts? I have not seen it in the wild, only found it mentioned in ABASH: Finding Bugs in Bash Scripts.

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  • Prevent dragging in Joint JS

    - by user3607705
    I am working on JointJS API. However I want to prevent the elements from being movable from their original positions. Can you suggest me some feature of JointJS or any feature of CSS in general, which I could use to make my object immovable. I can't use interactive: false option on the paper or paper.$el.css('pointer-events', 'none'); because I need to have highlighting features when mouse hovers over the element. Please suggest a way that disables movement of elements while allowing other features.

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