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  • Hibernate: can I override an identifier generator using XML with a custom generator?

    - by Ken Liu
    I want to use a custom sequence generator in my application, but the entity is located in a domain model jar that is shared with other applications. Apparently entity annotations can be overridden in orm.xml but I can't figure out the proper XML incantation to get this to work. I can modify the annotation in the entity like this this: @GenericGenerator(name = "MYGEN", strategy = "MyCustomGenerator") @GeneratedValue(generator = "MYGEN") But I need to somehow map this to orm.xml in order to override the original annotation. Looking at the orm.xml schema here it appears that I can't even specify a generation type besides "sequence" and "table".

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  • setTimout not stopping

    - by Ken
    Hi all, I'm building a quiz and user has 5 seconds to respond to the qeustion if he doesn't resond within the time the answer is 3(wich is a code for no answer). Timer updates just fine until you answer a qeustion from that point the timer runs out of control you see 5,3,4,0 and go to the next qeustion with the answer 3 does anyone know how to kill the old timer? function tijd(aantalSec){ document.getElementById("sec").innerHTML = aantalSec; if(aantalSec == 0){ clearTimeout(tijd); antwoord(3); }else{ aantalSec = aantalSec - 1; var tijd = setTimeout('tijd(' + aantalSec + ',0)',1000); } }

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  • how to know which response data is associated with its requested url (using RollingCurl.php) ?

    - by Ken
    I am writing a web application that grabs the http response headers from multiple sites (with RollingCurl.php) then stores it in an array and at the end outputs it in json format. Since some sites do redirects to new locations, $info (array) in “request_callback” function always has an url ($info[‘url’]) where the requested url was redirect.to, and it’s quite expected. But how to put a requested url in $info ($info[‘requested_url’]) and to know which $info (response data) is associated with its requested url? $urls = array( ‘http://google.com’, ‘http://microsoft.com’ // more urls here ); $json = array(); if ( $urls ) { $rc = new RollingCurl("request_callback"); $rc->window_size = 20; foreach ($urls as $url) { $request = new Request($url); $rc->add($request); } $rc->execute(); echo json_encode($json); } function request_callback($response, $info) { global $json; $json['status'][] = $info; } from RollingCurl.php: // send the return values to the callback function. $callback = $this->callback; if (is_callable($callback)){ $info[‘requested_url’] = ??? // How to put requested url here??? call_user_func($callback, $output, $info); }

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  • What can I use for voluntary donations? (like Tipjoy)

    - by Ken
    There used to be a site called Tipjoy that would let me put a small "donate" button on a webpage, and users could donate small amounts (like 25c) to me easily. I think it was a pretty neat idea, since I want to have a way for people to give me money, and I don't like advertisements, and I don't update regularly enough to sell subscriptions like bloggers. I just have some simple web services and open-source program and I want an easy way for people to drop me some change if they think they're useful. I've found out that Amazon used to have a similar service, but it's also been shut down. Is there any similar web service available today? If not, what's the closest thing to offer -- a Paypal link?

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  • Java_swt in eclipse

    - by Ken
    Can someone tell me where I can find the executeable "java_swt"? I see multiple sites that say it is embedded in eclipse, and other sites say it is shipped with Mac swt drops. I have the zip file for a mac called "swt-3.5M6-carbon-macosx.zip" and i have the eclipse IDE installed on my test mac machine and windows machine. But i cannot find this executeable which i need to run an swt app smoothly on mac os x. Any help would be appreciated. Thanks.

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  • error C2065: 'CComQIPtr' : undeclared identifier

    - by Ken Smith
    I'm still feeling my way around C++, and am a complete ATL newbie, so I apologize if this is a basic question. I'm starting with an existing VC++ executable project that has functionality I'd like to expose as an ActiveX object (while sharing as much of the source as possible between the two projects). I've approached this by adding an ATL project to the solution in question, and in that project have referenced all the .h and .cpp files from the executable project, added all the appropriate references, and defined all the preprocessor macros. So far so good. But I'm getting a compiler error in one file (HideDesktop.cpp). The relevant parts look like this: #include "stdafx.h" #define WIN32_LEAN_AND_MEAN #include <Windows.h> #include <WinInet.h> // Shell object uses INTERNET_MAX_URL_LENGTH (go figure) #if _MSC_VER < 1400 #define _WIN32_IE 0x0400 #endif #include <atlbase.h> // ATL smart pointers #include <shlguid.h> // shell GUIDs #include <shlobj.h> // IActiveDesktop #include "stdhdrs.h" struct __declspec(uuid("F490EB00-1240-11D1-9888-006097DEACF9")) IActiveDesktop; #define PACKVERSION(major,minor) MAKELONG(minor,major) static HRESULT EnableActiveDesktop(bool enable) { CoInitialize(NULL); HRESULT hr; CComQIPtr<IActiveDesktop, &IID_IActiveDesktop> pIActiveDesktop; // <- Problematic line (throws errors 2065 and 2275) hr = pIActiveDesktop.CoCreateInstance(CLSID_ActiveDesktop, NULL, CLSCTX_INPROC_SERVER); if (!SUCCEEDED(hr)) { return hr; } COMPONENTSOPT opt; opt.dwSize = sizeof(opt); opt.fActiveDesktop = opt.fEnableComponents = enable; hr = pIActiveDesktop->SetDesktopItemOptions(&opt, 0); if (!SUCCEEDED(hr)) { CoUninitialize(); // pIActiveDesktop->Release(); return hr; } hr = pIActiveDesktop->ApplyChanges(AD_APPLY_REFRESH); CoUninitialize(); // pIActiveDesktop->Release(); return hr; } This code is throwing the following compiler errors: error C2065: 'CComQIPtr' : undeclared identifier error C2275: 'IActiveDesktop' : illegal use of this type as an expression error C2065: 'pIActiveDesktop' : undeclared identifier The two weird bits: (1) CComQIPtr is defined in atlcomcli.h, which is included in atlbase.h, which is included in HideDesktop.cpp; and (2) this file is only throwing these errors when it's referenced in my new ATL/AX project: it's not throwing them in the original executable project, even though they have basically the same preprocessor definitions. (The ATL AX project, naturally enough, defines _ATL_DLL, but I can't see where that would make a difference.) My current workaround is to use a normal "dumb" pointer, like so: IActiveDesktop *pIActiveDesktop; HRESULT hr = ::CoCreateInstance(CLSID_ActiveDesktop, NULL, // no outer unknown CLSCTX_INPROC_SERVER, IID_IActiveDesktop, (void**)&pIActiveDesktop); And that works, provided I remember to release it. But I'd rather be using the ATL smart stuff. Any thoughts?

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  • Deploy only cube schema, without processing

    - by Ken Yao
    Is there a way to only deploy cube schema, but without processing the cube. It seems in Visual Studio, when yo deploy a cube, by default, it is "Deploy and Process". The problem is processing takes so much time, and my main purpose is just writing some MDX script and see if it works well against the cube structure. It seems processing whole cube is just over kill. So I ask.

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  • Resharper 4.5 and dotTrace 3.1 integration problem

    - by Ken Egozi
    Hi. I am not able to get Resharper profile a unit test, although I have dotTrace installed on my machine. Actually, the dotTrace button in VisualStudio is also greyed out. the VisualStudio AddIns menu list dotTrace as started. VS2008 sp1 Windows 7 64bit R# 4.5 dotTrace 3.1 I tried Restarts, Reinstall, Re-whatever. Has anyone experienced that also? Does anyone has a solution for that?

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  • called function A(args) calls a function B() which then calls a function A(args), How to do that?

    - by Ken
    See example: <!DOCTYPE html> <html> <head> <title>language</title> <script type="text/javascript" src="http://www.google.com/jsapi"> </script> </head> <body> <div id="language"></div> <script type="text/javascript"> var loaded = false; function load_api() { google.load("language", "1", { "nocss": true, "callback": function() { loaded = true; callback_to_caller(with_caller_agruments); // how to call a function (with the same arguments) which called load_api() ??? // case 1 should be: detect_language('testing'); // case 2 should be: translate('some text'); } }); } function detect_language(text) { if (!loaded) { load_api(); } else { // let's continue... believe that google.language is loaded & ready to use google.language.detect(text, function(result) { if (!result.error && result.language) { document.getElementById('language').innerHTML = result.language; } }); } } function translate(text) { if (!loaded) { load_api(); } else { // let's continue... } } detect_language('testing'); // case 1 translate('some text'); // case 2 </script> </body> </html>

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  • Is there way to extend jQuery to handle a custom enter key event?

    - by Ken
    I write the following code all the time to handle when the enter key pressed: $("#selectorid").keypress(function (e) { if (e.keyCode == 13) { var targetType = e.originalTarget ? e.originalTarget.type.toLowerCase() : e.srcElement.tagName.toLowerCase(); if (targetType != "textarea") { e.preventDefault(); e.stopPropagation(); // code to handler enter key pressed } } }); Is there a way to extend jQuery so that I could just write: $("#selectorid").enterKeyPress(fn);

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  • Squid change cache key

    - by Ken Struys
    Lets say you want to serve different content from the same url but still want to be able to use squid caching. For example caching a logged in users homepage vs another user. Is there anyway to append a cookie to the request url before throwing it into the squid's cache?

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  • How do You Center a TextView in Layout?

    - by Ken
    I have a complex layout, part of which features a value centered over a label, with + and - buttons on either side of the value. I want the value to center between the buttons, whether it is "1" or "99". It looks fine when it's a 2-digit number like "99", but when it's a single digit the number is left-justified. How do I properly center that value? Here's the portion of my layout that does this: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_above="@id/runway_label" android:layout_centerHorizontal="true" android:orientation="horizontal"> <ImageView android:id="@+id/dec_runway_button" android:src="@drawable/minus_button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_vertical"/> <TextView android:id="@+id/runway_value" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#FFFFFF" android:textStyle="bold" android:textSize="40.0sp" android:minWidth="50sp" android:layout_centerInParent="true" android:layout_gravity="center" android:shadowColor="#333333" android:shadowDx="2.0" android:shadowDy="2.0" android:shadowRadius="3.0" /> <ImageView android:id="@+id/inc_runway_button" android:src="@drawable/plus_button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_vertical"/> </LinearLayout>

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  • NHibernate.QueryException with dynamic-component

    - by Ken
    OK, this is going to be kind of a long shot, since it's a big system (which I don't claim to fully understand, yet), and the problem might not be with NHibernate itself, and I'm even having trouble reproducing it, but... I've got a class with a <dynamic-component section, and when I run a query on it (through my ASP.NET MVC app), it fails, but only sometimes. (Yeah, the worst kind!) The exception I'm seeing is: NHibernate.QueryException: could not resolve property: Attributes.MyAttributeName of: MyClassName at NHibernate.Persister.Entity.AbstractPropertyMapping.GetColumns(String propertyName) at NHibernate.Persister.Entity.AbstractPropertyMapping.ToColumns(String alias, String propertyName) at NHibernate.Persister.Entity.BasicEntityPropertyMapping.ToColumns(String alias, String propertyName) at NHibernate.Persister.Entity.AbstractEntityPersister.ToColumns(String alias, String propertyName) at NHibernate.Loader.Criteria.CriteriaQueryTranslator.GetColumns(String propertyName, ICriteria subcriteria) at NHibernate.Loader.Criteria.CriteriaQueryTranslator.GetColumnsUsingProjection(ICriteria subcriteria, String propertyName) at NHibernate.Criterion.CriterionUtil.GetColumnNamesUsingPropertyName(ICriteriaQuery criteriaQuery, ICriteria criteria, String propertyName, Object value, ICriterion critertion) at NHibernate.Criterion.CriterionUtil.GetColumnNamesForSimpleExpression(String propertyName, IProjection projection, ICriteriaQuery criteriaQuery, ICriteria criteria, IDictionary`2 enabledFilters, ICriterion criterion, Object value) at NHibernate.Criterion.SimpleExpression.ToSqlString(ICriteria criteria, ICriteriaQuery criteriaQuery, IDictionary`2 enabledFilters) at NHibernate.Loader.Criteria.CriteriaQueryTranslator.GetWhereCondition(IDictionary`2 enabledFilters) at NHibernate.Loader.Criteria.CriteriaJoinWalker..ctor(IOuterJoinLoadable persister, CriteriaQueryTranslator translator, ISessionFactoryImplementor factory, CriteriaImpl criteria, String rootEntityName, IDictionary`2 enabledFilters) at NHibernate.Loader.Criteria.CriteriaLoader..ctor(IOuterJoinLoadable persister, ISessionFactoryImplementor factory, CriteriaImpl rootCriteria, String rootEntityName, IDictionary`2 enabledFilters) at NHibernate.Impl.SessionImpl.List(CriteriaImpl criteria, IList results) at NHibernate.Impl.CriteriaImpl.List(IList results) at NHibernate.Impl.CriteriaImpl.UniqueResult[T]() ...my code below here... Can anybody explain exactly what this QueryException means, i.e., so I can have an idea of what exactly it thinks is going wrong? Thanks!

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  • Who owns a php exec tar extracted file?

    - by Ken
    As far as file permissions are concerned, when you use a php script to unzip a tar file, who is the "owner" user of the files created? I'm wondering if its my ftp user because I uploaded the script file? Or does apache own the file? I know their are flags to be set to preserve the original permissions which I don't want (files where created and archived by someone else). I want my user to be the creater/owner of the files.

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  • Can I use google API to convert a PDF into PNGs?

    - by Ken
    I have noticed that when you view PDFs in google docs the PDF viewer renders the PDF file into PNG images. I was wondering if you could use Google Data API to upload a PDF and get the URLs of the rendered PNG files? I have never used the google API or really had the extra time to learn it, but if it help me do this it will be well worth the extra time.

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  • jqueryvalidation no space customization

    - by Ken
    i have a form where the user can update his name and last name. i use jquery validation to validate the form. how can i validate if the user put spaces? here's what i have: <script> $(document).ready(function(){ $('#submit').click(function() { var valid = $("#myform").valid(); if(!valid) { return false; } $.ajax({ type: "POST", url: 'save', data: $('#myform').serialize(), dataType: 'json', cache: false, success: function(result) { // redirect to another page } }); }); }); </script> </head> <body> <form id="myform" method="post" action=""> <fieldset> <legend>update name</legend> <p> <label for="fname">Name</label> <em>*</em><input id="fname" name="fname" size="25" class="required" minlength="2" /> </p> <p> <label for="lname">Last Name</label> <em>*</em><input id="lname" name="lname" size="25" class="required" minlength="2" /> </p> <p> <input id="submit" type="submit" value="Submit"/> </p> </fieldset> </form> thanks

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  • Is it bad practice to make a setter return "this"?

    - by Ken Liu
    Is it a good or bad idea to make setters in java return "this"? public Employee setName(String name){ this.name = name; return this; } This pattern can be useful because then you can chain setters like this: list.add(new Employee().setName("Jack Sparrow").setId(1).setFoo("bacon!")); instead of this: Employee e = new Employee(); e.setName("Jack Sparrow"); ...and so on... list.add(e); ...but it sort of goes against standard convention. I suppose it might be worthwhile just because it can make that setter do something else useful. I've seen this pattern used some places (e.g. JMock, JPA), but it seems uncommon, and only generally used for very well defined APIs where this pattern is used everywhere. Update: What I've described is obviously valid, but what I am really looking for is some thoughts on whether this is generally acceptable, and if there are any pitfalls or related best practices. I know about the Builder pattern but it is a little more involved then what I am describing - as Josh Bloch describes it there is an associated static Builder class for object creation.

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  • Adding a Taxonomy Filter to a Custom Post Type

    - by ken
    There is an amazing conversation from about two years ago on the Wordpress Answer site where a number of people came up with good solutions for adding a taxonomy filter to the admin screen for your custom post types (see URL for screen I'm referring to): http://[yoursite.com]/wp-admin/edit.php?s&post_status=all&post_type=[post-type] Anyway, I loved Michael's awesome contribution but in the end used Somatic's implementation with the hierarchy option from Manny. I wrapped it in a class - cuz that's how I like to do things -- and it ALMOST works. The dropdown appears but the values in the dropdown are all looking in the $_GET property for the taxonomies slug-name that you are filtering by. For some reason I don't get anything. I looked at the HTML of the dropdown and it appears ok to me. Here's a quick screen shot for some context: You can tell from this that my post-type is called "exercise" and that the Taxonomy I'm trying to use as a filter is "actions". Here then is the HTML surrounding the dropdown list: <select name="actions" id="actions" class="postform"> <option value="">Show all Actions</option> <option value="ate-dinner">Ate dinner(1)</option> <option value="went-running">Went running(1)</option> </select> I have also confirmed that all of the form elements are within the part of the DOM. And yet if I choose "Went running" and click on the filter button the URL query string comes back without ANY reference to what i've picked. More explicitly, the page first loads with the following URL: /wp-admin/edit.php?post_type=exercise and after pressing the filter button while having picked "Went Running" as an option from the actions filter: /wp-admin/edit.php?s&post_status=all&post_type=exercise&action=-1&m=0&actions&paged=1&mode=list&action2=-1 actually you can see a reference to an "actions" variable but it's set to nothing and as I now look in detail it appears that the moment I hit "filter" on the page it resets the filter dropdown to the default "Show All Actions". Can anyone help me with this?

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  • error opening sql 2005 database in VS 2008

    - by Ken
    When I created my database using sql server 2005, i was able to connect and view it in Visual Studio 2008. I then detached the database onto my flash drive. Brought it home to work in VS 2008 - that worked. finally when i detached it from home and brought back to work, it will not open. It is saying that this version of sql server is not compatible with another version. I forget the exact wording of the error, as it was lengthy. any help you guys and provide would be very helpful! Thank you in advance!

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  • TypeConverter.ConvertFrom String to String

    - by Ken
    I'm using a PropertyGrid to display a property. For one property, I'm displaying strings in a drop-down combobox. The displayed text of the property and the value of the property are both strings, but their text is different. The displayed text is friendly, the value text corresponds to a registry key name. I've created a TypeConverter to convert between the display text and the value text, but the ConvertFrom() method appears to work correctly until I change the combo-box selection. It then sends the 'value' text instead of the display text to use during the conversion. Has anyone else used string-to-string conversion successfully?

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  • "Inherited" types using CRTP and typedef

    - by Ken Moynihan
    The following code does not compile. I get an error message: error C2039: 'Asub' : is not a member of 'C' Can someone help me to understand this? Tried VS2008 & 2010 compiler. template <class T> class B { typedef int Asub; public: void DoSomething(typename T::Asub it) { } }; class C : public B<C> { public: typedef int Asub; }; class A { public: typedef int Asub; }; int _tmain(int argc, _TCHAR* argv[]) { C theThing; theThing.DoSomething(C::Asub()); return 0; }

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  • How do I DYNAMICALLY cast in C# and return for a property

    - by ken-forslund
    I've already read threads on the topic, but can't find a solution that fits. I'm working on a drop-down list that takes an enum and uses that to populate itself. i found a VB.NET one. During the porting process, I discovered that it uses DirectCast() to set the type as it returns the SelectedValue. See the original VB here: http://jeffhandley.com/archive/2008/01/27/enum-list-dropdown-control.aspx the gist is, the control has Type _enumType; //gets set when the datasource is set and is the type of the specific enum The SelectedValue property kind of looks like (remember, it doesn't work): public Enum SelectedValue //Shadows Property { get { // Get the value from the request to allow for disabled viewstate string RequestValue = this.Page.Request.Params[this.UniqueID]; return Enum.Parse(_enumType, RequestValue, true) as _enumType; } set { base.SelectedValue = value.ToString(); } } Now this touches on a core point that I think was missed in the other discussions. In darn near every example, folks argued that DirectCast wasn't needed, because in every example, they statically defined the type. That's not the case here. As the programmer of the control, I don't know the type. Therefore, I can't cast it. Additionally, the following examples of lines won't compile because c# casting doesn't accept a variable. Whereas VB's CType and DirectCast can accept Type T as a function parameter: return Enum.Parse(_enumType, RequestValue, true); or return Enum.Parse(_enumType, RequestValue, true) as _enumType; or return (_enumType)Enum.Parse(_enumType, RequestValue, true) ; or return Convert.ChangeType(Enum.Parse(_enumType, RequestValue, true), _enumType); or return CastTo<_enumType>(Enum.Parse(_enumType, RequestValue, true)); So, any ideas on a solution? What's the .NET 3.5 best way to resolve this?

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