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  • How is thread local storage (__thread) implemented on LInux?

    - by anon
    __thread Foo foo; How is "foo" actually resolved? Does the compiler silently replace every instance of "foo" with a function call? Is "foo" stored somewhere relative to the bottom of the stack, and the compiler stores this as "hey, for each thread, have this space near the bottom of the stack, and foo is stored as "offset x from bottom of stack"" ? Insights please.

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  • How to change granted role temporarily to achieve "view the site as" someone else

    - by Roy Chan
    Hi Gurus, We are using 2.x spring security right now. I am asked to build an admin tool so that the ROLE_ADMIN can change to any user in the site and view the site as that person (each person on the site may see different stuff depending on the role which is dynamically granted base on the database) and of course the admin should be able to switch back to admin without logging in. Is there a build in function, if not how should I do this? Thanks in advance!

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  • Check if a program exists in bash

    - by ~rojanu
    I am trying to check if md5sum or digest exists on solaris and script is used on different machines. Here is the function in sh script which is called from a ksh script getMD5cmd () { PATH="${PATH}:/bin:/usr/bin:/usr/sfw/bin:/usr/local/bin:/usr/sbin/bin" if type -p md5sum;then MD5CMD=`type -p md5sum` elif type -p digest;then MD5CMD="`type -p digest` -a md5" fi echo "HERE ${MD5CMD}" } When I run scripts I get -p not found md5sum not found -p not found digest is /bin/digest HERE However, when I type it in a terminal, works as exptected Any Ideas? Thanks

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  • PHP Menu Items Count then add under more button

    - by Adrian M.
    Hello, I use the bellow code to load the main menu elements from some CMS, the present code is perfect except that it loads ALL the main items on a single line of menu - which will make the width of it unusable in any centered design (under 1000px).. I want to change this script so after 15 main elements will add a "MORE" button under which the rest of the main menu items will show as sub-items of this "MORE" button (they will not have their own sub-items as the first 15 do).. How can I do it? Thanks! <?php require_once( '../../../inc/header.inc.php' ); require_once( DIRECTORY_PATH_INC . 'membership_levels.inc.php' ); require_once( DIRECTORY_PATH_ROOT . "templates/tmpl_{$tmpl}/scripts/TemplMenu.php" ); class SimpleMenu extends TemplMenu { function getCode() { $this->iElementsCntInLine = 100; $this->getMenuInfo(); $this->genTopItems(); return $this->sCode; } function genTopItem($sText, $sLink, $sTarget, $sOnclick, $bActive, $iItemID, $isBold = false, $sPicture = '') { $sActiveStyle = ($bActive) ? ' id="tm_active"' : ''; if (!$bActive) { $sAlt= $sOnclick ? ( ' alt="' . $sOnclick . '"' ) : ''; $sTarget = $sTarget ? ( ' target="_parent"' ) : ''; } $sLink = (strpos($sLink, 'http://') === false && !strlen($sOnclick)) ? $this->sSiteUrl . $sLink : $sLink; $sSubMenu = $this->getAllSubMenus($iItemID); $sImgTabStyle = $sPictureRep = ''; if ($isBold && $sPicture != '') { $sPicturePath = getTemplateIcon($sPicture); $sPictureRep = "<img src='{$sPicturePath}' style='vertical-align:middle;width:16px;height:16px;' />"; $sText = '&nbsp;'; $sImgTabStyle = 'style="width:38px;"'; } $sMainSubs = ($sSubMenu=='') ? '' : " {$sSubMenu} </a>"; $this->sCode .= " <li><a href='{$sLink}' {$sOnclick} target='_parent'>{$sPictureRep}{$sText}</a> <div id='submenu'> <ul> <li>{$sMainSubs}</li> </ul> </div> </li> "; } } $objMenu = new SimpleMenu(); echo "<ul id='ddmenu'>"; echo $objMenu->getCode(); echo "</ul>"; ?>

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  • EXTRACT for TIMESTAMP types in SQLite3

    - by umuthorax
    Hi, It seems extract function is not supported by SQLite3 for timestamp types (ref). For example; select extract(year from l_shipdate) as l_year from ... gives the following error; Error: near "from": syntax error I wonder whether there is an alternative way to do this in SQLite3 (or through rewriting the SQL query). Thanks in advance,

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  • Flash CS5 Syntax Issue

    - by Lappy
    I've got an actionscript 3 project which I created in Flash CS4, I just tried publishing it in CS5, it converted the save to CS5 and is now complaining about incorrect syntax at places that make no sense such as: Scene=Scene 1, layer=Layer 1, frame=1, Line 12 '{' expected Line 12 is: function songinfoLoaded(event:Event):void {

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  • Mocking digest authentication in RestEasy

    - by Ralph
    I am using RestEasy to develop a REST server and using the mock dispatcher (org.jboss.resteasy.mockMockDispatcherFactory) for testing the service in my unit tests. My service requires digest authentication and I would to make that part of my testing. Each of my services accepts a @Context SecurityContext securityContext parameter. Is there any way is inject a fake SecurityContext in the dispatcher so that I can test that my security methods function properly?

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  • templates and casting operators

    - by Jonathan Swinney
    This code compiles in CodeGear 2009 and Visual Studio 2010 but not gcc. Why? class Foo { public: operator int() const; template <typename T> T get() const { return this->operator T(); } }; Foo::operator int() const { return 5; } The error message is: test.cpp: In member function `T Foo::get() const': test.cpp:6: error: 'const class Foo' has no member named 'operator T'

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  • SQL Alias as Table.column

    - by bakerjr
    hi, is it possible to alias an aggregate function in a select clause as AliasTable.AliasColumn? The reason is because I want minimum modifications in my arrays (I'm using PHP). Thanks! P.S. I'm using SQl Server 2008

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  • C#: How to use SHOpenFolderAndSelectItems

    - by Svish
    Could someone give an example on how to use the shell function SHOpenFolderAndSelectItems from C#? I don't quite get how to use these kind of functions and couldn't find it on pinvoke.net... =/ Say I have three files called X:\Pictures\a.jpg X:\Pictures\s.jpg X:\Pictures\d.jpg I then want to open up the X:\Pictures folder with a.jpg, s.jpg and d.jpg selected.

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  • How to get the Perticluar column value using jquery

    - by rockers
    I used this code to get the perticular column value using jquery.. $("#Grid td:first-child").click(function() { var resultArray = $(this).closest('tr').find('td').text(); alert(resultArray); }); How to get the peticular column value? that is I need grid 4th and 5th column value? thanks

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  • Emacs align-regexp on = but not ==

    - by Karl
    I am working in Haskell and frequently come across code similar to the following: func i j | i == j = i | otherwise = j I want to align on the '=' character using align-regexp but don't have the elisp knowhow. I have tried just doing " = " without the quotes, but this inserts an unwanted space character before each '='. I have found a proposed solution here but I can't seem to get that to do anything at all. Please help me write a function or hard-coded macro that will allow me to set a keybinding for this.

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  • issue displaying total row on devexpress pivot grid when paging

    - by Leonardo Raygoza
    Hi, I'm working with devexpress pivot grid, so I added the paging function and everything is working fine, the only thing I need to do is display the total row on each page, at this moment it is displayed just in the last one, I was looking on DevExpress documentation and it looks like pivot grid calculate the total and gran total automatically and I don't find any thing about my task, anybody knows how can I do this??? Regards Leo

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  • How to add string to jQuery selector?

    - by Deshiknaves
    I'm trying to select an id that changes on different posts of same page. So the they have been given an id="show_posts_{PostID}" - on the final output the {PostID} is replaced with a number. In the function I need to call $('show_posts_XXXXXX') - XXXXXX being the generated ID. I have stored this ID in a variable called postId. But I can't seem to do this $("'" + "show_posts_" + postId + "'") Can anyone tell me how I can add a string to the end of a selector?

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  • Javascript regex returning true.. then false.. then true.. etc

    - by betamax
    I have a strange problem with the validation I am writing on a form. It is a 'Check Username' button next to an input. The input default value is the username for example 'betamax'. When I press 'Check Username' it passes the regex and sends the username to the server. The server behaves as expected and returns '2' to tell the javascript that they are submitting their own username. Then, when I click the button again, the regex fails. Nothing is sent to the server obviously because the regex has failed. If I press the button again, the regex passes and then the username is sent to the server. I literally cannot figure out what would be making it do this! It makes no sense to me! This is my code: $j("#username-search").click(checkUserName); function checkUserName() { var userName = $j("#username").val(); var invalidUserMsg = 'Invalid username (a-zA-Z0-9 _ - and not - or _ at beginning or end of string)'; var filter = /^[^-_]([a-z0-9-_]{4,20})[^-_]$/gi; if (filter.test(userName)) { console.log("Pass") $j.post( "/account/profile/username_check/", { q: userName }, function(data){ if(data == 0) { $j("#username-search-results").html("Error searching for username. Try again?"); } else if(data == 5) { $j("#username-search-results").html(invalidUserMsg); } else if(data == 4) { $j("#username-search-results").html("Username too short or too long."); } else if(data == 2) { $j("#username-search-results").html("This is already your username."); } else if(data == 3) { $j("#username-search-results").html("This username is taken."); } else if(data == 1){ $j("#username-search-results").html("This username is available!"); } }); } else { console.log("fail") $j("#username-search-results").html(invalidUserMsg); } return false; } The HTML: <input name="username" id="username" value="{{ user.username }}" /> <input type="button" value="Is it taken?" id="username-search"> <span id="username-search-results"></span>

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  • Tcl question - how to list functions in a namespace

    - by Bub Bradlee
    I am trying to list all of the functions a namespace has in it (warning - I'm really new to Tcl, so I'll probably use the wrong words for parts of Tcl). For example, I have a tcl shell someone compiled for me (if that's the right way to phrase it), and I know at least one function exists, let's call it blah::do_something I know in ruby there are ways to list all the functions in a module/namespace. How would I find out what other functions are available in the blah namespace in Tcl? Thanks in advance

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  • Multi-Threading Question Concerning WPF

    - by Andrew
    Hello, I'm a newbie to threading, and I don't really know how to code a particular task. I would like to handle a mouse click event on a window that will kick off a while loop in a seperate thread. This thread, which is distinct from the UI thread, should call a function in the while loop which updates a label on the window being serviced by the UI thread. The while loop should stop running when the left mouse button is no longer being pressed. All the loop does is increment a counter, and then repeatedly call the function which displays the updated value in the window. The code for the window and all of the threading is given below (I keep getting some error about STA threading, but don't know where to put the attribute). Also, I'm hoping to use this solution, if it ever works, in another project that makes asynchronous calls elsewhere to a service via wcf, so I was hoping not to make any application-wide special configurations, since I'm really new to multi-threading and am quite worried about breaking other code in a larger program... Here's what I have: <Window x:Class="WpfApplication2.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:WpfApplication2" Name="MyMainWindow" Title="MainWindow" Width="200" Height="150" PreviewMouseLeftButtonDown="MyMainWindow_PreviewMouseLeftButtonDown"> <Label Height="28" Name="CounterLbl" /> </Window> And here's the code-behind: using System.Windows; using System.Windows.Input; using System.Threading; namespace WpfApplication2 { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { private int counter = 0; public MainWindow() { InitializeComponent(); } private delegate void EmptyDelegate(); private void MyMainWindow_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e) { Thread counterThread = new Thread(new ThreadStart(MyThread)); counterThread.Start(); } private void MyThread() { while (Mouse.LeftButton == MouseButtonState.Pressed) { counter++; Dispatcher.Invoke(new EmptyDelegate(UpdateLabelContents), null); } } private void UpdateLabelContents() { CounterLbl.Content = counter.ToString(); } } } Anyways, multi-threading is really new to me, and I don't have any experience implementing it, so any thoughts or suggestions are welcome! Thanks, Andrew

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  • jQuery Mobile - how to force that page recreation - pagebeforecreate event

    - by NewUser
    I have a small jQuery mobile site. it's all single .html file it's has some edit functionality (view, edit, save) all works with ajax/json/web service Most of my pages are using data from web service, via AJAX & JSON, so I am using the following a lot: $(document).on( 'pagebeforecreate', '#monday', function() { // do some stuff on before create, load data with AJAX }); Now, how do I FORCE that page recreation (pagebeforecreate event) so the AJAX inside is run again (get the latest data from server)?

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  • JNI cached jclass global reference variables being garbage collected?

    - by bubbadoughball
    I'm working in the JNI Invocation API, calling into Java from C. I have some upfront initialization to cache 30+ Java classes into global references. The results of FindClass are passed into NewGlobalRef to acquire a global reference to the class. I'm caching these class variables to reuse them later. I have 30+ global references to classes (and 30+ global methodIDs for the class constructors). In the following sample, I've removed exception handling as well as JNI invocation for the purpose of shortening the code snippet. My working code has exception checks after every JNI call and I'm running with -Xcheck:jni. Here's the snippet: jclass aClass; jclass bClass; jmethodID aCtor; jmethodID bCtor; void getGlobalRef(const char* clazz, jclass* globalClass) { jclass local = (*jenv)->FindClass(jenv,clazz); if (local) { *globalClass = (jclass) (*jenv)->NewGlobalRef(jenv,local); (*jenv)->DeleteLocalRef(jenv,local); } } methodID getMethodID(jclass clazz, const char* method, const char* sig) { return (*jenv)->GetMethodID(jenv,clazz,method,sig); } void initializeJNI() { getGlobalRef("MyProj/Testclass1", &aclass); getGlobalRef("MyProj/Testclass2", &bclass); . . aCtor = getMethodID(aclass,"<init>","()V"); bCtor = getMethodID(bclass,"<init>","(I)V"); } The initializeJNI() function sets the global references for jclasses and method IDs for constructors as well as some jfieldID's and some initialization of C data structures. After initialization, when I call into a JNI function using some of the cached jclasses and ctor jmethodIDs, I get a bad global or local reference calling reported from the -Xcheck:jni. In gdb, I break at the last line of initializeJNI(), and print all jclasses and jmethodIDs and the ones causing problems look to have been turned into garbage or garbage-collected (i.e. 0x00 or 0x06). Is it possible for global references to be gc'ed? Any suggestions?

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  • Python operators returning ints

    - by None
    Is there any way to have Python operators line "==" and "" return ints instead of bools. I know that I could use the int function (int(1 == 1)) or add 0 ((1 == 1) + 0) but I was wondering if there was an easy way to do it. Like when you want division to return floats you could type from __future__ import division. Is there any way to do this with operators returning ints? Or could I make a class extending __future__._Feature that would do what I want?

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  • Convert.ToSingle() for float dat Type

    - by Asim Sajjad
    I have used many of the Convert.To..... functions for conversion , but I didn't understand one thing that for every datatype they have provide a Convert.To function but not for float datatype, in order to convert to float you need to use Convert.ToSingle() , why is this so ?

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  • How to wrap images into a Excel Add-in 2003

    - by nimo
    hi, I'm having a excel add-in with several menu items. Each menu item embedded with a image. I'm loading picture to menu item using LoadPicture function where I gave the absolute path to image location. In order to make the add-in distributable I need to provide a relative path. Appropriate anyone can suggest me how to do this. Thank you

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