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  • DataContractAttribute with Shared Assembly

    - by Sanju
    Hi All, Is it necessary to decorate custom objects with [DataContract] and [DataMember] when using shared assemblies (as opposed to auto proxy generation)? The reason I ask is that I have encountered the following scenario: Suppose the following object is implemented in my service: public class baseClass { Guid _guid; public baseClass() { _guid = Guid.NewGuid() } public Guid ReturnGuid { get {return _guid;}} } public class newClass : baseClass { int _someValue; public newClass {} public int SomeValue { get {return _someValue;} set {_someValue = value;} } } [ServiceContract] public IService { [OperationContract] newClass SomeOperation(); } In my client (with shared assemblie) I can happily recieve and use a serialized newClass when SomeOperation is called - even though I have not marked it as a DataContract. However, as soon as I do mark it with DataContract and use DataMember then it complains that set is not implemented on ReturnGuid in the base class. Could somebody explain why it works fine when I do not decorate with DataContract and DataMember. Many thanks.

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  • AspectFit Not Working for Transformed UIImageView

    - by Dex
    I have a UIImageView inside a subview and I'm trying to get an AspectFit content mode working how I want for a 90 degree transformation. Here is a demo app of what I mean https://github.com/rdetert/image-scale-test If you run the app and hold it in a landscape orientation (app runs in landscape) you'll see that the image does not stretch from left edge to right edge. What seems to be happening is that the AspectFit works correctly for the portrait/default orientation, but then the image simply gets rotated the image after the fact. How can I make it auto stretch? I think the fact that it is inside a subview may have something to do with it?

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  • Sending data between forms without using .Show()

    - by slodice
    Lets say I have 2 forms. In Form1 I have a timer, which counts (count++) and in Form2 I have a text box (textBox1) which shows how much the timer has counted. Now I want to know how would I show the integer 'count' in 'textBox1' without any user interference (clicking buttons) or in other words, how would I make the data in the text box auto refresh (without using Form2 form = new Form2(); form.Show();). I want 2 separate windows, in one a running timer and in the other a textbox displaying how much the timer has counted and constantly updating (with the help of the timer, I presume).

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  • Cannot disable index during PL/SQL procedure

    - by nw
    I've written a PL/SQL procedure that would benefit if indexes were first disabled, then rebuilt upon completion. An existing thread suggests this approach: alter session set skip_unusable_indexes = true; alter index your_index unusable; [do import] alter index your_index rebuild; However, I get the following error on the first alter index statement: SQL Error: ORA-14048: a partition maintenance operation may not be combined with other operations ORA-06512: [...] 14048. 00000 - "a partition maintenance operation may not be combined with other operations" *Cause: ALTER TABLE or ALTER INDEX statement attempted to combine a partition maintenance operation (e.g. MOVE PARTITION) with some other operation (e.g. ADD PARTITION or PCTFREE which is illegal *Action: Ensure that a partition maintenance operation is the sole operation specified in ALTER TABLE or ALTER INDEX statement; operations other than those dealing with partitions, default attributes of partitioned tables/indices or specifying that a table be renamed (ALTER TABLE RENAME) may be combined at will The problem index is defined so: CREATE INDEX A11_IX1 ON STREETS ("SHAPE") INDEXTYPE IS "SDE"."ST_SPATIAL_INDEX" PARAMETERS ('ST_GRIDS=890,8010,72090 ST_SRID=2'); This is a custom index type from a 3rd-party vendor, and it causes chronic performance degradation during high-volume update/insert/delete operations. Any suggestions on how to work around this error? By the way, this error only occurs within a PL/SQL block.

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  • Function return type style

    - by JB
    I'm learning c++0x, at least the parts supported by the Visual C++ Express 2010 Beta. This is a question about style rather than how it works. Perhaps it's too early for style and good practice to have evolved yet for a standard that isn't even released yet... In c++0x you can define the return type of a method using - type at the end of the function instead of putting the type at the start. I believe this change in syntax is required due to lambdas and some use cases of the new decltype keyword, but you can use it anywhere as far as I know. // Old style int add1(int a, int b) { return a + b; } // New style return type auto add2(int a, int b) -> int { return a + b; } My question really then, is given that some functions will need to be defined in the new way is it considered good style to define all functions in this way for consistency? Or should I stick to only using it when necessary?

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  • Which "platform" should we use for a notifier-component?

    - by cwap
    Hi all We need to develop a notifier component. What it will do, is to scan a database at given intervals (say, every 15th minute), to see if any notifications needs to be sent out. We're running on Windows, and so we've been looking into either a Windows Service or the Windows Task Scheduler. Our biggest concern is the robustness of our implementation. If it, for some reason, crashes, can it be auto-restarted the next interval? Can we use custom logging logic, to take care of crashes? I'd like an educated guess on what to use here :) Feel free to say if you need additional info, to make such a guess.. Props will be given if someone could make a short listing of the pros n cons of a windows service vs. the windows task scheduler. Also, it should be noted, that we aren't set on either of these, so if you have any alternatives, please, do post away. Thanks in advance :)

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  • Managing multiple blogs (wordpress) from one control panel

    - by thisMayhem
    This is the deal: I have more than one blog (not running yet) that I want to install in subfolders for one of my domains. Each blog will obviously have its own look and feel and content. I could just have a set of control panels and administer them individually or I could somehow manage them form a single control panel. Issues I've come across are: Some plugins offer this functionality while suppressing other features like auto draf saving, in-post category and tag creation, image upload etc. I'm not necessarily looking for a ready solution, more like some guidance on how to approach this particular problem in the best possible manner. I'm looking for a fully working scenario, not some plugin that allows me to more or less simulate the one-blog-administration experience.

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  • Pivot table from multiple spreadsheets

    - by vrao
    I am using excel 2010. I am trying to create pivot table between two worksheets 'Summary' and 'Summary2'. I have identical row of data ranging from cells B5 to F5 in row 5 in both worksheets. Data in the two worksheets looks like this: Summary worksheet: Issues,20,3,4,5 Summary2 worksheet: Issues,10,0,3,9 Worksheet referes to issues from location 1 and worksheet referes to issues from location 2. Col B has title 'issues', Col C refers to issues of customer 1, Col D refers to issues of customer 2, Col E refers to issues of customer 3, Col F refers to issues of customer 4 I go to a third worksheet and start pivot table and in the table range I give this: 'Summary:Summary2'!$B$5:$F$5. Then I Say OK. Gives error "data reference source is not valid". Can someone tell me how to select the row from two different worksheet in pivot table? Also I want to be able to add issues of customers between two locations and get % completion for each locaiton. Can someone please help?

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  • Detect all changes to a <input type="text"> (immediately) using JQuery

    - by Dustin Boswell
    There are many ways the value of a <input type="text"> can change, including: keypresses copy/paste modified with JavaScript auto-completed by browser or a toolbar I want my JavaScript function to be called (with the current input value) any time it changes. And I want it to be called right away, not just when the input loses focus. I'm looking for the cleanest and most robust way to do this across all browsers (using jQuery preferably). Example use case: On the Twitter Signup page, the username field's value gets shown in the url "http://twitter/username" below it.

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  • UIViewController maintains state after being nilled

    - by Eric
    In my app, I made a BookViewController class that displays and animates the pages of a book and a MainMenuViewController class that displays a set of books the user can read. In the latter class, when the user taps on one of the books, a function is called that should create a completely new instance of BookViewController, but for some reason the instance maintains its state (i.e. it resumes from the page the user left off). How can this be if I set it to nil? What am I missing here? (Note that I'm using ARC). MainMenuViewController.m @interface MainMenuViewController () @property (strong) BookViewController *bookViewController; @end @implementation MainMenuViewController @synthesize bookViewController; -(void)bookTapped:(UIButton *)sender{ NSString *bookTitle; if(sender == book1button) bookTitle = @"book1"; else if(sender == book2button) bookTitle = @"book2"; bookViewController = nil; bookViewController = [[BookViewController alloc] initWithBookTitle:bookTitle]; [self presentViewController:bookViewController animated:YES completion:nil]; } BookViewController.h @interface BookViewController : UIViewController -(id)initWithBookTitle:(NSString *)bookTitle; @end BookViewController.m @implementation BookViewController -(id)initWithBookTitle:(NSString *)theBookTitle{ self = [super init]; if(self){ bookTitle = [NSString stringWithFormat:@"%@", theBookTitle]; [self setModalTransitionStyle:UIModalTransitionStyleCrossDissolve]; NSLog(@"init a BookViewController with bookTitle: %@", bookTitle); } return self; } Every time a book is tapped, bookTapped: is called, and thee console always prints: 2012-08-31 16:29:51.750 AppName[25713:c07] init a BookViewController with bookTitle: book1 So if a new instance of BookViewController is being created, how come it seems to be returning the old one?

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  • autoTab and allowed only numbers

    - by Abu Hamzah
    is there any easy way of implementing two feature 1) auto tab and 2) allowed only numbers i have a SSN box below as soon as the user enter three digits will skip to the next .. so on and so forth..... <TR> <TD nowrap><b>Social Security Number</b></TD> <TD align="left" nowrap colspan="4"> <INPUT NAME= "SSN1" TYPE= "TEXT" SIZE= "3" MAXLENGTH= "3" VALUE= ""> <INPUT NAME= "SSN2" TYPE= "TEXT" SIZE= "2" MAXLENGTH= "2" VALUE= ""> <INPUT NAME= "SSN3" TYPE= "TEXT" SIZE= "4" MAXLENGTH= "4" VALUE= ""> </TD> </tr> also i wanted to restrict to have only numbers.

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  • Google App Engine datastore-primary key

    - by megala
    Hi, I've created a table in the Google App Engine Datastore. It contains the following FIELDS(GROUPNAME,GROUPID,GROUPDESC). How do I set GROUPID as the primary key? My code is as follows: @Entity @Table(name="group" , schema="PUBLIC") public class Creategroup { @Basic private String groupname; @Basic private String groupid; @Basic private String groupdesc; public void setGroupname(String groupname) { this.groupname = groupname; } public String getGroupname() { return groupname; } public void setGroupid(String groupid) { this.groupid = groupid; } public String getGroupid() { return groupid; } public void setGroupdesc(String groupdesc) { this.groupdesc = groupdesc; } public String getGroupdesc() { return groupdesc; } public Creategroup(String groupname, String groupid, String groupdesc ) { // TODO Auto-generated constructor stub this.groupname = groupname; this.groupid = groupid; this.groupdesc = groupdesc; } }

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  • jquery easy image slider

    - by Jack
    Using easy slider to scroll through Images . It's working occasionally (on a refresh), but more often not. The height of the slide and also the position get screwed up on load for seconds. This style was applied to the style="width: 1308px; height: 70px; overflow-x: hidden; overflow-y: hidden;" I'm not sure where it's pulling those values from (height and width) the slide not expanding vertically to reveal the content and the slide being out of position horizontally. I have this style applied to #slider width:538px; height:auto; overflow:hidden; but they're not being passed correctly.

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  • How to change the position of a imageButton when onClick

    - by Amber
    I am trying to shift the position of a image button when on click. I tried the following but it crashes at "rlOut.addView(imgP, p);" I have no issues when running them in onCreate(). RelativeLayout.LayoutParams p = new RelativeLayout.LayoutParams(62, 62); ImageButton imgP = (ImageButton)findViewById(R.id.imgP); public boolean onTouch(View v, MotionEvent event) { // TODO Auto-generated method stub LayoutParams par = (LayoutParams)imbBtn.getLayoutParams(); if(event.getAction()==MotionEvent.ACTION_DOWN) { Log.d("ok","down"); mX = (int) event.getX() - imbBtn.getWidth() / 2; mY = (int) event.getY() - imbBtn.getHeight() / 2; et1.setText("mX down: "+String.valueOf(mX)); et2.setText("mY down: "+String.valueOf(mY)); } else if (event.getAction()==MotionEvent.ACTION_UP) { Log.d("ok","up"); p.leftMargin=mX; p.rightMargin=mY; rlOut.addView(imgP, p); Log.d("ok","p"); }

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  • How to calculate textarea cols with 100% width?

    - by sehwoo
    I set the width of a textarea to 100%, but now I need to know how many characters can fit in one row. I'm trying to write a javascript function to auto-grow/shrink a textarea. I'm trying to keep from using jquery since I just need this one function. My logic is to rows = textarea.value.split('\n'), iterate through rows and count += rows[i].length/textarea.cols, then count += rows.length, and finally textarea.rows = count. The only problem is that count is too large because textarea.cols is too small.

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  • The css is not displayed in opera mini and balckberry browsers

    - by p.karuppasamy
    Hi All, I 'm a php developer. I develope a site for mobile using php hawhaw.inc. i use the page sim for set the css for my page as $myPage->use_simulator("http://".$_SERVER["SERVER_NAME"].":".$_SERVER['SERVER_PORT'].dirname($_SERVER['PHP_SELF'])."/css/style.css") im my css file i write the css for table. it set in the windows mobile but it's not set in the opera mini and black berry browsers. The page is $myPage = new HAW_deck("Login ", HAW_ALIGN_CENTER); /*$myPage->set_bgcolor('#337fa6'); $myPage->set_background('../images/body_bg.jpg'); $myPage->set_css_class('skin');*/ $myHtmlCode = '<link href="css/style.css" rel="stylesheet" type="text/css" media="handheld" /><link rel="stylesheet" type="text/css" href="css/style.css" /><meta name="viewport" content="initial-scale=1.0"/><meta name="viewport" content="user-scalable=false" />'; $myAdblock = new HAW_raw(HAW_HTML, $myHtmlCode); $myPage->add_raw($myAdblock); /*$myPage->set_width('50%'); $myPage->set_height('50%');*/ $myPage->use_simulator("http://".$_SERVER["SERVER_NAME"].":".$_SERVER['SERVER_PORT'].dirname($_SERVER['PHP_SELF'])."/css/style.css"); $myForm = new HAW_form($_SERVER['PHP_SELF']); $text = new HAW_text("Please enter username & password:"); $text1 = new HAW_text("REMcloud", HAW_TEXTFORMAT_BOLD | HAW_TEXTFORMAT_BIG); $myImage1 = new HAW_image('','../images/logo.png','REMcloud',''); $myImage1->set_br(1); $myImage1->set_html_width(200); $myImage1->set_html_height(100); $error=new HAW_text($_REQUEST['msg'], HAW_TEXTFORMAT_BOLD); $error->set_color("#ff0000", "red"); $theID = new HAW_input("username", "", "Username", "*N"); $theID->set_size(4); $theID->set_maxlength(20); $text2 = new HAW_text(""); $thePW = new HAW_input("password", "", "Password", "*N"); $thePW->set_size(4); $thePW->set_maxlength(20); $thePW->set_type(HAW_INPUT_PASSWORD); $theSubmission = new HAW_submit("Submit", "submit"); // add the elements in the form //$myForm->add_text($text1); $myForm->add_image($myImage1); //$myForm->add_text($text2); $myForm->add_text($error); $myForm->add_text($text2); $myForm->add_text($text); $myForm->add_text($text2); $myForm->add_input($theID); $myForm->add_text($text2); $myForm->add_input($thePW); $myForm->add_text($text2); $myForm->add_submit($theSubmission); $myPage->add_form($myForm); $myPage->create_page(); the css is /* HAWHAW skin stylesheet for the hawhaw phone */ body { background-color: #FFFFFF; text-align: center; margin: 0px; padding: 0px; color: #222222; } #skin { margin: 0px auto; padding: 0px; text-align: left; width: 280px; height: 466px; background-image: url(../../images/bg.jpg); background-color:#337fa6; background-repeat:repeat-x; } #display { position: relative; top: 80px; /* left: 43px;*/ width: 100%; height: 85%; overflow: auto; } TABLE{ width:100%; padding-left:-10px; overflow:scroll; height:20px; border:none; font-family:Calibri; font-size:14px; } tr{ height:20px; } td{ color:#fff; border:none; } a { font-family:Calibri; font-size:16px; } if any one know please advice me for the same Thanks in advance

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  • Is there any reason for a blocking call to winsock send() function on Vista to return immediately ?

    - by ivymike
    Hi All, Is there any reason for a blocking call to winsock's send() function on Vista to return immediately ? It works with expected delay on XP and below. I'm wondering if this has got anything to do with auto-tuning feature of Vista. Code: char *pBuffer; // pointer to data int bytes; // total size int i = 0, j=0; while (i < bytes) { j = send(m_sock, pBuffer+i, bytes-i, 0); i+=j; } Thanks, Pavan

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  • Given a document select a relevant snippet.

    - by BCS
    When I ask a question here, the tool tips for the question returned by the auto search given the first little bit of the question, but a decent percentage of them don't give any text that is any more useful for understanding the question than the title. Does anyone have an idea about how to make a filter to trim out useless bits of a question? My first idea is to trim any leading sentences that contain only words in some list (for instance, stop words, plus words from the title, plus words from the SO corpus that have very weak correlation with tags, that is that are equally likely to occur in any question regardless of it's tags)

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  • Contents changed(cleared?) when access the pointer returned by std::string::c_str()

    - by justamask
    string conf()     {         vector v;         //..         v = func(); //this function returns a vector         return v[1];     }     void test()     {         const char* p = conf().c_str();         // the string object will be alive as a auto var         // so the pointer should be valid till the end of this function,right?           // ... lots of steps, but none of them would access the pointer p         // when access p here, SOMETIMES the contents would change ... Why?         // the platform is solaris 64 bit         // compiler is sun workshop 12         // my code is compiled as  ELF 32-bit MSB relocatable SPARC32PLUS Version 1, V8+ Required         // but need to link with some shared lib which are ELF 32-bit MSB dynamic lib SPARC Version 1, dynamically linked, stripped     }

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  • how to protect an imported win32 dll into a .net application from memory issues

    - by Eric
    I have a c# application that needs to use a legacy win32 dll. The dll is almost its own app, it has dialogs, operations with hardware, etc. When this dll is imported and used, there are a couple of problems that occur: Dragging a dialog (not a windows system dialog, but one created by the dll) across the managed code app causes the UI to not repaint. Further it generates a system out of memory exception from various ui controls. The performance is incredibly slow. There seems to be no way to unload the dll so the memory never gets cleaned up. When we close our managed app, we get another memory exception. At the moment we import each method call as such: [DllImport("dllname.dll", EntryPoint = "MethodName", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]

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  • Visaul Studio 2010, TlbImp generates .net 4.0 interops in 2.0 projects

    - by DJScrib
    In a C# project we add a reference to a COM object via the Add References setup pointing to a COM object which results in the IDE auto-generating the interop assembly. So this is fine and good, but we are building based on .net 3.5 SP1 aka CLR 2.0, and the generated interops are using the 4.0 CLR making them incompatiable. Is there a way to prevent this? I assume the other option is in our build script to try using tlbimp.exe with the /references parameter? to point to mscorlib v2.0? Anyhow, I'm hoping there's a flag somewhere to allow this.

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  • how to create resources without VS C++ 2008 creating MFC files

    - by numerical25
    I am creating a WIN32 application and I want most of all my application events to be made through the message queue. But everytime I create a dialog box or any resource like that. The IDE auto generates code that I don't necessarily need. I believe it's MFC code not sure. here it is. // dlgChangeDevice.cpp : implementation file // #include "stdafx.h" #include "ZFXD3D.h" #include "dlgChangeDevice.h" // dlgChangeDevice dialog IMPLEMENT_DYNAMIC(dlgChangeDevice, CDialog) dlgChangeDevice::dlgChangeDevice(CWnd* pParent /*=NULL*/) : CDialog(dlgChangeDevice::IDD, pParent) { } dlgChangeDevice::~dlgChangeDevice() { } void dlgChangeDevice::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); } BEGIN_MESSAGE_MAP(dlgChangeDevice, CDialog) ON_CBN_SELCHANGE(IDC_COMBO5, &dlgChangeDevice::OnCbnSelchangeCombo5) END_MESSAGE_MAP() // dlgChangeDevice message handlers void dlgChangeDevice::OnCbnSelchangeCombo5() { // TODO: Add your control notification handler code here } Not sure what it is but I don't need it. I want to retrieve all my code through the dialog message queue. So what should I do ?? Just disregard it and delete it. Will a hurt anything by doing so ??

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  • VS2010 - shortcuts for web controls and HTML snippets

    - by p.campbell
    Consider the feature in Visual Studio 2010 for snippets in the HTML Source view of a web page. type a control name in plaintext with no markup or brackets! ... e.g. hyperlink. Then hit Tab Your web control has been auto-completed for you. It's up to you to fill in the other details that you need. This works for form as well: <form action="default.aspx" method="post"> </form> This looks like a real time saver. This is supported in WebForms and ASP.NET MVC projects. What other snippets are available in Visual Studio 2010 in the Source view of a page?

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  • Should i really use integer primary IDs [sql]

    - by arthurprs
    For example, i always generate an auto-increment field for the users table, but i also specifies an UNIQUE index on their usernames. There is situations that i first need to get the userId for a given username and then execute the desired query. Or use a JOIN in the desired query. It's 2 trips to the database or a JOIN vs. a varchar index The above is just an example There is a real performance benefit on INT over small VARCHAR indexes? Thanks in advance!

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  • Preventing a child process (HandbrakeCLI) from causing the parent script to exit

    - by Chris
    I have a batch conversion script to turn .mkvs of various dimensions into ipod/iphone sized .mp4s, cropping/scaling to suit. Determining the original dimensions, required crop, output file is all working fine. However, on successful completion of the first conversion, HandbrakeCLI causes the parent script to exit. Why would this be? And how can I stop it? The code, as it currently stands: #!/bin/bash find . -name "*.mkv" | while read FILE do # What would the output file be? DST=../Touch/$(dirname "$FILE") MKV=$(basename "$FILE") MP4=${MKV%%.mkv}.mp4 # If it already exists, don't overwrite it if [ -e "$DST/$MP4" ] then echo "NOT overwriting $DST/$MP4" else # Stuff to determine dimensions/cropping removed for brevity HandbrakeCLI --preset "iPhone & iPod Touch" --vb 900 --crop $crop -i "$FILE" -o "$DST/$MP4" > /dev/null 2>&1 if [ $? != 0 ] then echo "$FILE had problems" >> errors.log fi fi done I have additionally tried it with a trap, but that didn't change the behaviour (although the last trap did fire) trap "echo Handbrake SIGINT-d" SIGINT trap "echo Handbrake SIGTERM-d" SIGTERM trap "echo Handbrake EXIT-d" EXIT trap "echo Handbrake 0-d" 0

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