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  • MySQL: LOAD DATA reclaim disk space after delete

    - by Michael
    I have a DB schema composed of MYISAM tables, i am interested to delete old records from time to time from some of the tables. I know that delete does not reclaim the memory space, but as i found in a description of DELETE command, inserts may reuse the space deleted In MyISAM tables, deleted rows are maintained in a linked list and subsequent INSERT operations reuse old row positions. I am interested if LOAD DATA command also reuses the deleted space? UPDATE I am also interested how the index space reclaimed?

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  • How to maintain 2 lists of object

    - by michael
    Hi, My c++ program needs to maintain 2 list of objects. list inuse; list free; So objects A can even in 'inuse' list or in 'free' list, but not both. http://www.cplusplus.com/reference/stl/list/ I am think of using 'list' as the data structure for my lists. My questions are 1. why i can't randomly access an elmenet in the list, I look at the above api, I don't see a way to get inuse[2]; 2. How can I remove an element in the list? There is an erase(), but how can I use it to remove element #2? And after I remove element 2? will STL list fill the erased spot automatically? e.g. #3 will become #2, #4 will become #3 and so on? Thank you.

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  • jQuery resize event for div children

    - by Frank Michael Kraft
    $("div.content-left > *, div.content-main > *" ).live('resize',function(){alert("Size changed")}); does not work, because the resize event only applies to window resizes. But in my case the divs change size late, because the content is loaded late by an ajax request - or by clicking a panel menu. I definatley need to avoid to register on all individual events of the children (ajax, click), because that can be very many different events and then it is not maintainable.

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  • How can I locate .NET Library property/function that return a particular type?

    - by Michael Bray
    Occasionally I will know that there is a .NET Framework function that returns a particular type of object, but I can't recall the property or function name. It would be really nice to be able to somehow scan the Framework or other DLL for functions that return a particular type of object. (For example, it would have helped when I asked this question, and I have a similar question again.) Can anyone suggest how I might do this?

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  • Make a simple animation in winforms using a loop

    - by Michael Quiles
    I need help making this loop to move a label move smoothly across the screen using count for the animation (its required). The labels location is currently in location 0,0 I'd like to make it go in a square right - down - left - back to its original position how can I accomplish this ? please give me an example using my code below. Thank You in advance. private void xAnimeTimer_Tick(object sender, EventArgs e) { int count; this.xAnimTimer.Stop(); for (count = 0; count <= 100; count++) { this.xAnimLabel.Left = count; } for (count = 0; count <= 150; count++) { this.xAnimLabel.Top = count; }

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  • Problem with thread after SCREEN_OFF in Android

    - by michael
    I’m doing an application that listens to the android.intent.action.SCREEN_OFF in a Service (if that matter) and then it is supposed to wait a few seconds and launch an action, I’ve tried a timer schedule method, thread and handler postDelay method but all of them seems to fail, they are never executed on a device, it seems like it’s being freezed/killed after phone is locked. It works on emulator and on device attached to USB, but never with device working on battery only, which actually is a main scenario. Do you know any solutions to this?

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  • C# Unit Testing: How do I set a Lazy<T>.ValueCreated to false?

    - by michael paul
    Basically, I have a unit test that gets a singleton instance of a class. Some of my tests required me to mock this singleton, so when I do Foo.Instance I get a different type of instance. The problem is that my checks are passing individually, but failing overall because one test is interfering with another. I tried to do a TestCleanup where I set: Foo_Accessor._instance = null; but that didn't work. What I really need is Foo_Accessor._instance.IsValueCreated = false; (_instance is a Lazy). Any way to unset the Lazy object that I didn't think of?

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  • Ruby: totalling amounts

    - by Michael
    I have a Donation.rb model with an amount column that takes an integer. I want to sum all the individual donations together and show the total on the home page. In the home_controller, I'm doing @donations = Donation.all and then in the view I do <% sum = 0 %> <% @donations.each do |donation| %> <%= sum += donation.amount if donation.amount? %> <% end %> The problem is that this is printing the running sum each time a new donation is added to it. I just want the total sum at the end after they've all been added together.

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  • Framework for Web Services in PHP?

    - by Michael Stum
    I need to implement a Web Service in PHP, but I've never written one in it (I nowadays use ASP.net which handles all that SOAP/WSDL/Disco stuff for me). Are there any libraries/Frameworks for that? Should be as lightweight as possible as they wire into an existing system.

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  • Accessing SVN from LAN

    - by Michael
    Hi, I am running a subversion service on my localhost, I want users on the LAN to be able to access this repository without being prompted for username and password. Is there any way to do this.

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  • CSS Compressor with @include support

    - by Michael
    Is there any CSS compressor that supports the @include directive? I have a bunch of css files that have one main file and are linked via those @include directives. Now that I want to compress the CSS files I'm looking for a compression tool that supports that. I cannot change the original files not to use includes because those are centrally developed ones.

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  • Cancel text selection on textinput in Flex

    - by Michael
    So the real problem is the lack of an onReleaseOutside function. I found some examples of how to bypass this during a drag function but it was not applicable for a text input. The problem is that when a user selects some text in textinput and mouses off the application area and then mouses up, I'm getting a problem that the textinput keeps thinking that the mouse down is actively selecting text in the textinput and continually overwrites the characters being entered in the textinput. You can test this at http://palermo.infusedindustries.com [ in the search bar of the live store on the page, type some text, then highlight it all and don't let up on the mouse until you are outside the store. I finally hacked some junk together so I can tell if the mouse goes off the stage using some code like var x = stage.mouseX; var y = stage.mouseY; if(x < 0 || y <0 || x >stage.stageWidth || y > stage.stageHeight) I'd like to just make the textinput stop thinking it should be highlighting text so that even if the user scrolls out of the applet and mouses up that the text input still overwrites what is in the search bar and functions as normal. I can't seem to find any events or ways to tell the Flex text field to stop thinking that the mouse is down and that the user is done selecting text.

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  • Why is Zend Framework (Zend_Db_table) rejecting this SQL Query?

    - by Michael T. Smith
    I'm working on a simple JOIN of two tables (urls and companies). I am using this query call: print $this->_db->select()->from(array('u' => 'urls'), array('id', 'url', 'company_id')) ->join(array('c' => 'companies'), 'u.company_id = c.id'); which is out putting this query: SELECT `u`.`id`, `u`.`url`, `u`.`company_id`, `c`.* FROM `urls` AS `u` INNER JOIN `companies` AS `c` ON u.company_id = c.id Now, I'd prefer the c.* to not actually appear, but either way it doesn't matter. ZF dies with this error: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1" but I can run that query perfectly fine in my MySQL CLI. Any ideas how to fix up this query?

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  • Converting a company from SVN to Hg?

    - by Michael
    We're a heavy user of SVN here. While the advantages of GIT over SVN made us want to change, the advantages of Hg over SVN mean it's now time to change and we need to start doing so very soon. I'm not so worried on the client side, but here are my questions. There are some excellent books on setting file metaproperties, properly organizing projects, etc on SVN. What is that book(s) for Hg? Is there a way to convert an SVN repository (that you've used) and can report how well it went? We don't want to lose years of commit logs if possible. When you DO convert, how did you split up the old code? Did you commit trunk as one project, and tags/forks as another? If you used SVN for legacy work, did you check in updates to SVN or something else?

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  • Convert octet string to human readable

    - by Michael Lang
    Using the pysnmp framework i get some values doing a snmp walk. Unfortunately for the oid 1.3.6.1.21.69.1.5.8.1.2 (DOCS-CABLE-DEVICE-MIB) i get a weird result which i cant correctly print here since it contains ascii chars like BEL ACK When doing a repr i get: OctetString('\x07\xd8\t\x17\x03\x184\x00') But the output should look like: 2008-9-23,3:24:52.0 the format is called "DateAndTime". How can i translate the OctetString output to a "human readable" date/time ?

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  • What should be DefaultLocation property of VS2010 setup to install application in C:\Users\[username

    - by Michael
    I have to install windows service using Visual Studio. Target location for the install is handled by “DefaultLocation” property in Visual Studio setup project. I had used [AppDataFolder] tag to install the application. As the result, it has been installed in “C:\Users[username]\AppData*Roaming*” folder. I can not figure out how to modify “DefaultLocation” property in such a way that application will be installed in C:\Users[username]\AppData*Local* folder. Any idea how to accomplish that?

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  • MySQL Query to receive random combinations from two tables.

    - by Michael
    Alright, here is my issue, I have two tables, one named firstnames and the other named lastnames. What I am trying to do here is to find 100 of the possible combinations from these names for test data. The firstnames table has 5494 entries in a single column, and the lastnames table has 88799 entries in a single column. The only query that I have been able to come up with that has some results is: select * from (select * from firstnames order by rand()) f LEFT JOIN (select * from lastnames order by rand()) l on 1=1 limit 10; The problem with this code is that it selects 1 firstname and gives every lastname that could go with it. While this is plausible, I will have to set the limit to 500000000 in order to get all the combinations possible without having only 20 first names(and I'd rather not kill my server). However, I only need 100 random generations of entries for test data, and I will not be able to get that with this code. Can anyone please give me any advice?

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  • Setup database for Unit tests with Spring, Hibernate and Spring Transaction Support

    - by Michael Bulla
    I want to test integration of dao-layer with my service-layer in a unit-test. So I need to setup some data in my database (hsql). For this setup I need an own transaction at the begining of my testcase to ensure that all my setup is really commited to database before starting my testcase. So here's what I want to achieve: // NotTranactional public void doTest { // transaction begins setup database // commit transaction service.doStuff() // doStuff is annotated @Transactional(propagation=Propagation.REQUIRED) } Here is my not working code: @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations={"/asynchUnit.xml"}) @DirtiesContext(classMode=ClassMode.AFTER_EACH_TEST_METHOD) public class ReceiptServiceTest implements ApplicationContextAware { @Autowired(required=true) private UserHome userHome; private ApplicationContext context; @Before @Transactional(propagation=Propagation.REQUIRED) public void init() throws Exception { User user = InitialCreator.createUser(); userHome.persist(user); } @Test public void testDoSomething() { ... } } Leading to this exception: org.hibernate.HibernateException: No Hibernate Session bound to thread, and configuration does not allow creation of non-transactional one here at org.springframework.orm.hibernate3.SpringSessionContext.currentSession(SpringSessionContext.java:63) at org.hibernate.impl.SessionFactoryImpl.getCurrentSession(SessionFactoryImpl.java:687) at de.diandan.asynch.modell.GenericHome.getSession(GenericHome.java:40) at de.diandan.asynch.modell.GenericHome.persist(GenericHome.java:53) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:196) at $Proxy28.persist(Unknown Source) at de.diandan.asynch.service.ReceiptServiceTest.init(ReceiptServiceTest.java:63) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27) at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74) at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83) at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71) at org.junit.runners.ParentRunner.run(ParentRunner.java:236) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) I dont know whats the right way to get the transaction around setup database. What I tried: @Before @Transactional(propagation=Propagation.REQUIRED) public void setup() { setup database } - Spring seems not to start transaction in @Before-annotated methods. Beyond that, thats not what I really want, cause there are a lot merhods in my testclass which needs a slightly differnt setup, so I need several of that init-methods. @Transactional(propagation=Propagation.REQUIRED) public void setup() { setup database } public void doTest { init(); service.doStuff() // doStuff is annotated @Transactional(propagation=Propagation.REQUIRED) } -- init seems not to get started in transaction What I dont want to do: public void doTest { // doing my own transaction-handling setup database // doing my own transaction-handling service.doStuff() // doStuff is annotated @Transactional(propagation=Propagation.REQUIRED) } -- start mixing springs transaction-handling and my own seems to get pain in the ass. @Transactional(propagation=Propagation.REQUIRED) public void doTest { setup database service.doStuff() } -- I want to test as real as possible situation, so my service should start with a clean session and no transaction opened So whats the right way to setup database for my testcase?

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  • Is there a way to create a WCF DataContract on a third party type?

    - by Michael Hedgpeth
    I am migrating to wcf and trying to figure out how I'm going to declare my Data Contracts properly. Some of the types I have been demoting are from a third party that I am unable to change. Are attributes the only way to explicitly declare data contracts in wcf? I know about the auto data contract functionality in 3.5, but the books I'm readin discourage that. And besides, that way assumes all state is publically available, which is oftentimes not the case.

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  • Can I use the SharePoint 2010 SQL Database through SharePoint from my App?

    - by Michael Stum
    I wonder if there is a supported way to access the SharePoint 2010 SQL Server through an API? I'm not talking about modifying any SharePoint Database directly (I know that that is still unsupported), but I'd like to store some data that my application needs, and instead of asking the user to enter a Connection String, I'd prefer to create my own database on the SQL Server that SharePoint uses. I think I could use the new Service Application stuff, but that seems a bit overkill?

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  • How to split the chance to display SWFs evenly among banner collection?

    - by Michael Mao
    Hi all: I am working on The ausdcf.org to try adding several banner ads in swf format to the top. Everything starts to work, but I've got several questions that need your help: The client chose not to go with Google AdManager, but prefer a "minimal approach" to do this task. What I am trying to do is sort of "mimicking" the way Google AdManager does for banners, that is, to split the chance of each particular swf to be shown to the visitor evenly among the banner collection. Definitely I can add some jQuery code to do this from client-side, a random number generator and if-else statement would work - just $.load() it! However, what if I'd like to make sure those disabled Javascript (is there any now btw?) still be able to see different swfs in each visit. Any suggestion on how to approach this? Many thanks in advance.

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  • C#: How to unit test a method that relies on another method within the same class?

    - by michael paul
    I have a class similar to the following: public class MyProxy : ClientBase<IService>, IService { public MyProxy(String endpointConfiguration) : base(endpointConfiguration) { } public int DoSomething(int x) { int result = DoSomethingToX(x); //This passes unit testing int result2 = ((IService)this).DoWork(x) //do I have to extract this part into a separate method just //to test it even though it's only a couple of lines? //Do something on result2 int result3 = result2 ... return result3; } int IService.DoWork(int x) { return base.Channel.DoWork(x); } } The problem lies in the fact that when testing I don't know how to mock the result2 item without extracting the part that gets result3 using result2 into a separate method. And, because it is unit testing I don't want to go that deep as to test what result2 comes back as... I'd rather mock the data somehow... like, be able to call the function and replace just that one call.

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