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  • WPF List of ViewModels bound to list of Model objects.

    - by Eric
    In the model, I have: public ObservableCollection<Item> Items { get; private set; } In the ViewModel, I have a corresponding list of ItemViewModels: public ObservableCollection<ItemViewModel> ItemViewModels ... In the XAML, I will bind (in this case a TreeView) to the ItemViewModels property. My question is, what goes in the "..." in the ViewModel shown above? I am hoping for a line or two of code to binds these two ObservableCollections (providing the type of the ViewModel to construct for each model object). However, what I'm fearing is necessary is a bunch of code to handle the Items.CollectionChanged event and manually updates the ItemViewModels list by constructing ViewModels as necessary. Thanks! Eric

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  • Issues configuring Exchange 2010 as well as SSL problems.

    - by Eric Smith
    Possibly-Relevant Background Info: I've recently moved up from icky shared hosting to a glorious, Remote Desktop-administrated VPS server running Windows Server 2008 R2. Even though I'm only 21 now and a computer science major, I've tried to play with every Windows Server release since '03, just to learn new things. What usually happens is inevitably I'll do something wrong and pretty much ruin the install. You're dealing with an amateur here :) Through the past few months of working with my new server, I've mastered DNS, IIS, got Team Foundation Server running (yay!), and can install all of the other basics like SQL Server and Active Directory. The Problem: Now, these last few weeks I've been trying to install Exchange Server 2010 (SP1). To make a long story short, it took me several attempts, and I even had to get my server wiped just so I could start fresh since Exchange decided uninstalling properly was for sissies (cost me $20, bah). Today, at long last, I got Exchange mostly working. There were two main problems left, however, that left me unsatisfied: Exchange installed itself and all of its child sites into Default Web Site. I wanted to access Exchange via mail.domain.com, but instead everything was configured to domain.com. My limited server admin knowledge was not enough to configure IIS or Exchange to move itself over to the website I had set up for it, appropriately titled 'mail.domain.com', which I had bound to a dedicated IP address (I was told this was necessary, but he may have been wrong). I have two SSL certificates: one for my main domain and one for my mail subdomain. For whatever reason, I had issues geting Exchange to use my mail certificate, even though I had assigned the proper roles in the MMC. I did, at one point, get it to work (or mostly work, anyways. Frankly, my memory of today is clouded by intense frustration). Additionally, I was confused which type of SSL certificate I should be using for Exchange. My SSL provider, GoDaddy, allows me to request a new certificate whenever, so I can use either the certificate request provided by IIS or the more complicated and specific request you can create with Exchange. Which type should I be using, the IIS or Exchange certificate? If I must use the Exchange certificate, will that 1) cause issues when I bind that certificate to my mail.domain.com subdomain or 2) is that an unnecessary step? The SSL Certificate Strikes Back When I thought I had the proper SSL certificate assigned for those brief, sweet moments, Google Chrome reported the correct mail.domain.com certificate when browsing https://mail.domain.com. However, Outlook 2010 threw up an error when trying to configure my email account claiming that the certificate didn't match the domain of "mail.domain.com". Is this an issue that will be resolved by problem #2 or is it a separate one entirely? Apologies for the massive wall of text, but I wanted to provide as much info as I possibly could. Exchange is the last thing I'd like installed on my server, and naturally it's turning out to be the hardest. Thanks for any info at all. Even a point in a vague direction would be a huge help at this point. Thanks! -Eric P.S.: The reason I keep ruining my install is that when I attempt to uninstall Exchange, something invariably goes wrong. The last time the uninstaller complained that there was still a mailbox active and it couldn't proceed until I deleted it. ... The only mailbox left was the Administrator account, the built-in one I couldn't delete. So I attempted to manually uninstall it following several guides online only to now be stuck unable to launch the installer and have to get my system wiped AGAIN for the second time today ($40 down the drain, bah!). I do not understand at all why "uninstall" just can't mean "hey, you, delete everything and go away". There's not even a force uninstall option, only a "recover system" option that just fails to fix anything and makes it so I can't even use the GUI uninstaller. </rant>

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  • How to interact with checkbox actions ? (QTableView with QStandardItemModel)

    - by Claire Huang
    I'm using QTableView and QStandardItemModel to show some data. For each row, there is a column which has a check Box, this check box is inserted by setItem, the code is as follows: int rowNum; QStandardItemModel *tableModel; QStandardItem* __tmpItem = new QStandardItem(); __tmpItem->setCheckable(true); __tmpItem->setCheckState(Qt::Unchecked); tableModel->setItem(rowNum,0,__tmpItem); Now I want to interact with the check box. If a check box changes its state by user (from checked to unchecked or vice versa), I want to do something on the corresponding data row. I know I can use signal-slot to catch the change of checkbox, but since there are lots of data row, I don't want to connect each row one by one. Is there anyway to interact with the check action more effectively? Thanks :)

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  • gcc 4.5 installation problem under ubuntu

    - by Claire Huang
    I tried to install gcc 4.5 on ubuntu 10.04 but failed. Here is a compile error that I don't know how to solve. Is there anyone successfully install the latest gcc on ubuntu? Following is my steps and the error message, I'd like to know where is the problem.... Step1: download these files: gcc-core-4.5.0.tar.gz gcc-g++-4.5.0.tar.gz gmp-4.3.2.tar.bz2 mpc-0.8.1.tar.gz mpfr-2.4.2.tar.gz Step2: Unzip above files Step3: move gmp, mpc, mpfr to the gcc-4.5.0/ directory. mv gmp-4.3.2 gcc-4.5.0/gmp mv mpc-0.8.1 gcc-4.5.0/mpc mv mpfr-2.4.2 gcc-4.5.0/mpfr Step4: go to gcc-4.5.0 directory and do configuration: sudo ./configure Step5: compile and install sudo make sudo make install The first 4 steps is OK, I can configure it successfully. However, when I try to compile it, following error message comes out, I cannot figure out what the problem is. Should I change the name from "gcc 4.5" to "gcc"?? It's a little strange that we need to do this by ourself. Is there anything I missed during the installation? xxx@xxx-laptop:/media/Data/Tool/linux/gcc 4.5/gcc-4.5.0$ sudo make [sudo] password for xxx: [ -f stage_final ] || echo stage3 > stage_final /bin/bash: line 2: test: /media/Data/Tool/linux/gcc: binary operator expected /bin/bash: /media/Data/Tool/linux/gcc: No such file or directory make[1]: Entering directory `/media/Data/Tool/linux/gcc 4.5/gcc-4.5.0' make[2]: Entering directory `/media/Data/Tool/linux/gcc 4.5/gcc-4.5.0' make[3]: Entering directory `/media/Data/Tool/linux/gcc 4.5/gcc-4.5.0' rm -f stage_current make[3]: Leaving directory `/media/Data/Tool/linux/gcc 4.5/gcc-4.5.0' make[2]: Leaving directory `/media/Data/Tool/linux/gcc 4.5/gcc-4.5.0' make[2]: Entering directory `/media/Data/Tool/linux/gcc 4.5/gcc-4.5.0' Configuring stage 1 in host-x86_64-unknown-linux-gnu/intl /bin/bash: /media/Data/Tool/linux/gcc: No such file or directory make[2]: *** [configure-stage1-intl] Error 127 make[2]: Leaving directory `/media/Data/Tool/linux/gcc 4.5/gcc-4.5.0' make[1]: *** [stage1-bubble] Error 2 make[1]: Leaving directory `/media/Data/Tool/linux/gcc 4.5/gcc-4.5.0' make: *** [all] Error 2

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  • WPF Dispatcher.UnhandledException within a ShowDialog call.

    - by Eric
    It appears that ShowDialog() invokes the Dispatcher message handling loop within. Thus, you have a stack that looks something like: Outer-most Dispatcher message loop ... x.ShowDialog() Inner Dispatcher message loop ... I am using the Dispatcher.UnhandledException to catch exceptions not handled by my code. However, it appears that the Inner Dispatcher message loop, above, is undesirably catching exceptions that my code would catch. Example: Outer-most Dispatcher message loop try/catch FooException ... x.ShowDialog() Inner Dispatcher message loop ... throw FooException What I would like is for the thrown FooException to get caught by the try/catch. However. It gets caught first by the (inner) Dispatcher.UnhandledException. I see there are ways to filter the exception. However, those filters will apply to both the inner and outer most handlers. What I am looking for is to have my Dispatcher.UnhandledException code run only on the outer-most dispatcher message loop. Does that make sense? I could, of course, reflect the call stack from within my handler to see if this is the outer-most dispatcher, but that seems a bit fragile. Other ideas? Thanks! Eric

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  • Error about 'invalid JSON' with couchDB view but the json's fine...

    - by Chris Huang-Leaver
    I am trying to setup the following view on CouchDB { "_id":"_design/id", "_rev":"1-9be2e55e05ac368da3047841f301203d", "language":"javascript", "views":{ "by_id":{ "map" : "function(doc) { emit(doc.id, doc)}" },"from_user_id":{ "map" : "function(doc) { if (doc.from_user_id) {emit(doc.from_user_id, doc)}}"}, "from_user":{ "map" : "function(doc) { if (doc.from_user) {emit(doc.from_user, doc)}}"}, "to_user_id":{ "map" : "function(doc) {if (doc.to_user_id){ emit(doc.to_user_id, doc)}}"}, "to_user":{ "map" : "function(doc) {if (doc.to_user){ emit(doc.to_user, doc)}}" }, "max_id":{ "map" : "function(doc) { if (doc.id) {emit(doc._id, eval(doc.id))}}", "reduce" :"function(key,value) { a = value[0]; for (i=1; i <value.length; ++i){a = Math.max(a,value[i])} return a}" } } } when I try to 'PUT' this using curl: curl -X PUT -d keys.json $CDB/_design/id {"error":"bad_request","reason":"invalid UTF-8 JSON"} I know it's not invalid JSON, because I tested it using the 'json' library built into Python 2.6, it loads fine. JS screw ups give me the error 'must evaluate to a function' What else might be wrong with it?

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  • the Memory problem about MySQL "SELECT *"

    - by Austin Huang
    Dear all: I'm new to MySQL, and I have a question about the memory. I have a 200mb table(MyISAM, 2,000,000 rows), and I try to load all of it to the memory. I use python(actually MySQLdb in python) with sql: SELECT * FROM table. However, from my linux "top" I saw this python process uses 50% of my memory(which is total 6GB) I'm curious about why it uses about 3GB memory only for a 200 mb table. Thanks in advance!

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  • Why is my mssql query failing?

    - by Eric Reynolds
    connect(); $arr = mssql_fetch_assoc(mssql_query("SELECT Applications.ProductName, Applications.ProductVersion, Applications.ProductSize, Applications.Description, Applications.ProductKey, Applications.ProductKeyID, Applications.AutomatedInstaller, Applications.AutomatedInstallerName, Applications.ISO, Applications.ISOName, Applications.Internet, Applications.InternetURL, Applications.DatePublished, Applications.LicenseID, Applications.InstallationGuide, Vendors.VendorName FROM Applications INNER JOIN Vendors ON Applications.VendorID = Vendors.VendorID WHERE ApplicationID = ".$ApplicationID)); $query1 = mssql_query("SELECT Issues.AppID, Issues.KnownIssues FROM Issues WHERE Issues.AppID=".$ApplicationID); $issues = mssql_fetch_assoc($query1); $query2 = mssql_query("SELECT ApplicationInfo.AppID, ApplicationInfo.Support_Status, ApplicationInfo.UD_Training, ApplicationInfo.AtomicTraining, ApplicationInfo.VendorURL FROM software.software_dbo.ApplicationInfo WHERE ApplicationInfo.AppID = ".$ApplicationID); $row = mssql_fetch_assoc($query2); function connect(){ $connect = mssql_connect(DBSERVER, DBO, DBPW) or die("Unable to connect to server"); $selected = mssql_select_db(DBNAME, $connect) or die("Unable to connect to database"); return $connect; } Above is the code. The first query/fetch_assoc works perfectly fine, however the next 2 queries fail and I cannot figure out why. Here is the error statement that shows up from php: Warning: mssql_query() [function.mssql-query]: message: Invalid object name 'Issues'. (severity 16) in /srv/www/htdocs/agreement.php on line 47 Warning: mssql_query() [function.mssql-query]: General SQL Server error: Check messages from the SQL Server (severity 16) in /srv/www/htdocs/agreement.php on line 47 Warning: mssql_query() [function.mssql-query]: Query failed in /srv/www/htdocs/agreement.php on line 47 Warning: mssql_fetch_assoc(): supplied argument is not a valid MS SQL-result resource in /srv/www/htdocs/agreement.php on line 48 Warning: mssql_query() [function.mssql-query]: message: Invalid object name 'software.software_dbo.ApplicationInfo'. (severity 16) in /srv/www/htdocs/agreement.php on line 51 Warning: mssql_query() [function.mssql-query]: General SQL Server error: Check messages from the SQL Server (severity 16) in /srv/www/htdocs/agreement.php on line 51 Warning: mssql_query() [function.mssql-query]: Query failed in /srv/www/htdocs/agreement.php on line 51 Warning: mssql_fetch_assoc(): supplied argument is not a valid MS SQL-result resource in /srv/www/htdocs/agreement.php on line 52 The error clearly centers around the fact that the query is not executing. In my database I have a table called Issues and a table called ApplicationInfo so I am unsure why it is telling me that they are invalid objects. Any help would be appreciated. Thanks, Eric R.

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  • Modify an object without using it as parameter

    - by Claire Huang
    I have a global object "X" and a class "A". I need a function F in A which have the ability to modify the content of X. For some reason, X cannot be a data member of A (but A can contain some member Y as reference of X), and also, F cannot have any parameter, so I cannot pass X as an parameter into F. (Here A is an dialog and F is a slot without any parameter, such as accept() ) How can I modify X within F if I cannot pass X into it? Is there any way to let A know that "X" is the object it need to modify?? I try to add something such as SetItem to specify X in A, but failed.

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  • How can I use Qt to get html code of the redirected page??

    - by Claire Huang
    I'm trying to use Qt to download the html code from the following url: http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=nucleotide&cmd=search&term=AB100362 this url will re-direct to www.ncbi.nlm.nih.gov/nuccore/27884304 I try to do it by following way, but I cannot get anything. it works for some webpage such as www.google.com, but not for this NCBI page. is there any way to get this page?? QNetworkReply::NetworkError downloadURL(const QUrl &url, QByteArray &data) { QNetworkAccessManager manager; QNetworkRequest request(url); QNetworkReply *reply = manager.get(request); QEventLoop loop; QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit())); loop.exec(); if (reply->error() != QNetworkReply::NoError) { return reply->error(); } data = reply->readAll(); delete reply; return QNetworkReply::NoError; } void GetGi() { int pos; QString sGetFromURL = "http://www.ncbi.nlm.nih.gov/entrez/query.fcgi"; QUrl url(sGetFromURL); url.addQueryItem("db", "nucleotide"); url.addQueryItem("cmd", "search"); url.addQueryItem("term", "AB100362"); QByteArray InfoNCBI; int errorCode = downloadURL(url, InfoNCBI); if (errorCode != 0 ) { QMessageBox::about(0,tr("Internet Error "), tr("Internet Error %1: Failed to connect to NCBI.\t\nPlease check your internect connection.").arg(errorCode)); return "ERROR"; } }

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  • OData / WCF Data Service - HTTP 500 Error

    - by Eric
    I have created an OData/WCF service using Visual Studio 2010 on Windows XP SP3 with all current patches installed. When I click on "view in browser", the service opens and I see the 3 tables from my EF model. However, when I add a table name ("Commands" in this case) to the end of the query string, rather than seeing the data from the table, I get an HTTP 500 error. (This error (HTTP 500 Internal Server Error) means that the website you are visiting had a server problem which prevented the webpage from displaying.). I have not only followed the examples from 2 sites, but have also tried running the sample application that the blog poster sent me (that works on his machine), and still am not having any luck. The blog post is at Exposing OData from an Entity Framework Model Does anyone have an idea why this is occurring and how to resolve it? Here is the output of the "View in Browser": <?xml version="1.0" encoding="utf-8" standalone="yes" ?> - <service xml:base="http://localhost:1883/VistaDBCommandService.svc/" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:app="http://www.w3.org/2007/app" xmlns="http://www.w3.org/2007/app"> - <workspace> <atom:title>Default</atom:title> - <collection href="Commands"> <atom:title>Commands</atom:title> </collection> - <collection href="Databases"> <atom:title>Databases</atom:title> </collection> - <collection href="Statuses"> <atom:title>Statuses</atom:title> </collection> </workspace> </service> ============================= Thanks, Eric

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  • Reading Xml with XmlReader in C#

    - by Gloria Huang
    I'm trying to read the following Xml document as fast as I can and let additional classes manage the reading of each sub block. <ApplicationPool><Accounts><Account><NameOfKin></NameOfKin><StatementsAvailable><Statement></Statement></StatementsAvailable></Account></Accounts></ApplicationPool> I can't seem to format the above nicely :( However, I'm trying to use the XmlReader object to read each Account and subsequently the "StatementsAvailable". Do you suggest using XmlReader.Read and check each element and handle it? I've thought of seperating my classes to handle each node properly. So theres an AccountBase class that accepts a XmlReader instance that reads the NameOfKin and several other properties about the account. Then I was wanting to interate through the Statements and let another class fill itself out about the Statement (and subsequently add it to an IList). Thus far I have the "per class" part done by doing XmlReader.ReadElementString() but I can't workout how to tell the pointer to move to the StatementsAvailable element and let me iterate through them and let another class read each of those proeprties. Sounds easy!

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  • ORDER BY job failed in the Pig script while running EmbeddedPig using Java

    - by C.c. Huang
    I have this following pig script, which works perfectly using grunt shell (stored the results to HDFS without any issues); however, the last job (ORDER BY) failed if I ran the same script using Java EmbeddedPig. If I replace the ORDER BY job by others, such as GROUP or FOREACH GENERATE, the whole script then succeeded in Java EmbeddedPig. So I think it's the ORDER BY which causes the issue. Anyone has any experience with this? Any help would be appreciated! The Pig script: REGISTER pig-udf-0.0.1-SNAPSHOT.jar; user_similarity = LOAD '/tmp/sample-sim-score-results-31/part-r-00000' USING PigStorage('\t') AS (user_id: chararray, sim_user_id: chararray, basic_sim_score: float, alt_sim_score: float); simplified_user_similarity = FOREACH user_similarity GENERATE $0 AS user_id, $1 AS sim_user_id, $2 AS sim_score; grouped_user_similarity = GROUP simplified_user_similarity BY user_id; ordered_user_similarity = FOREACH grouped_user_similarity { sorted = ORDER simplified_user_similarity BY sim_score DESC; top = LIMIT sorted 10; GENERATE group, top; }; top_influencers = FOREACH ordered_user_similarity GENERATE com.aol.grapevine.similarity.pig.udf.AssignPointsToTopInfluencer($1, 10); all_influence_scores = FOREACH top_influencers GENERATE FLATTEN($0); grouped_influence_scores = GROUP all_influence_scores BY bag_of_topSimUserTuples::user_id; influence_scores = FOREACH grouped_influence_scores GENERATE group AS user_id, SUM(all_influence_scores.bag_of_topSimUserTuples::points) AS influence_score; ordered_influence_scores = ORDER influence_scores BY influence_score DESC; STORE ordered_influence_scores INTO '/tmp/cc-test-results-1' USING PigStorage(); The error log from Pig: 12/04/05 10:00:56 INFO pigstats.ScriptState: Pig script settings are added to the job 12/04/05 10:00:56 INFO mapReduceLayer.JobControlCompiler: mapred.job.reduce.markreset.buffer.percent is not set, set to default 0.3 12/04/05 10:00:58 INFO mapReduceLayer.JobControlCompiler: Setting up single store job 12/04/05 10:00:58 INFO jvm.JvmMetrics: Cannot initialize JVM Metrics with processName=JobTracker, sessionId= - already initialized 12/04/05 10:00:58 INFO mapReduceLayer.MapReduceLauncher: 1 map-reduce job(s) waiting for submission. 12/04/05 10:00:58 WARN mapred.JobClient: Use GenericOptionsParser for parsing the arguments. Applications should implement Tool for the same. 12/04/05 10:00:58 INFO input.FileInputFormat: Total input paths to process : 1 12/04/05 10:00:58 INFO util.MapRedUtil: Total input paths to process : 1 12/04/05 10:00:58 INFO util.MapRedUtil: Total input paths (combined) to process : 1 12/04/05 10:00:58 INFO filecache.TrackerDistributedCacheManager: Creating tmp-1546565755 in /var/lib/hadoop-0.20/cache/cchuang/mapred/local/archive/4334795313006396107_361978491_57907159/localhost/tmp/temp1725960134-work-6955502337234509704 with rwxr-xr-x 12/04/05 10:00:58 INFO filecache.TrackerDistributedCacheManager: Cached hdfs://localhost/tmp/temp1725960134/tmp-1546565755#pigsample_854728855_1333645258470 as /var/lib/hadoop-0.20/cache/cchuang/mapred/local/archive/4334795313006396107_361978491_57907159/localhost/tmp/temp1725960134/tmp-1546565755 12/04/05 10:00:58 INFO filecache.TrackerDistributedCacheManager: Cached hdfs://localhost/tmp/temp1725960134/tmp-1546565755#pigsample_854728855_1333645258470 as /var/lib/hadoop-0.20/cache/cchuang/mapred/local/archive/4334795313006396107_361978491_57907159/localhost/tmp/temp1725960134/tmp-1546565755 12/04/05 10:00:58 WARN mapred.LocalJobRunner: LocalJobRunner does not support symlinking into current working dir. 12/04/05 10:00:58 INFO mapred.TaskRunner: Creating symlink: /var/lib/hadoop-0.20/cache/cchuang/mapred/local/archive/4334795313006396107_361978491_57907159/localhost/tmp/temp1725960134/tmp-1546565755 <- /var/lib/hadoop-0.20/cache/cchuang/mapred/local/localRunner/pigsample_854728855_1333645258470 12/04/05 10:00:58 INFO filecache.TrackerDistributedCacheManager: Creating symlink: /var/lib/hadoop-0.20/cache/cchuang/mapred/staging/cchuang402164468/.staging/job_local_0004/.job.jar.crc <- /var/lib/hadoop-0.20/cache/cchuang/mapred/local/localRunner/.job.jar.crc 12/04/05 10:00:58 INFO filecache.TrackerDistributedCacheManager: Creating symlink: /var/lib/hadoop-0.20/cache/cchuang/mapred/staging/cchuang402164468/.staging/job_local_0004/.job.split.crc <- /var/lib/hadoop-0.20/cache/cchuang/mapred/local/localRunner/.job.split.crc 12/04/05 10:00:59 INFO filecache.TrackerDistributedCacheManager: Creating symlink: /var/lib/hadoop-0.20/cache/cchuang/mapred/staging/cchuang402164468/.staging/job_local_0004/.job.splitmetainfo.crc <- /var/lib/hadoop-0.20/cache/cchuang/mapred/local/localRunner/.job.splitmetainfo.crc 12/04/05 10:00:59 INFO filecache.TrackerDistributedCacheManager: Creating symlink: /var/lib/hadoop-0.20/cache/cchuang/mapred/staging/cchuang402164468/.staging/job_local_0004/.job.xml.crc <- /var/lib/hadoop-0.20/cache/cchuang/mapred/local/localRunner/.job.xml.crc 12/04/05 10:00:59 INFO filecache.TrackerDistributedCacheManager: Creating symlink: /var/lib/hadoop-0.20/cache/cchuang/mapred/staging/cchuang402164468/.staging/job_local_0004/job.jar <- /var/lib/hadoop-0.20/cache/cchuang/mapred/local/localRunner/job.jar 12/04/05 10:00:59 INFO filecache.TrackerDistributedCacheManager: Creating symlink: /var/lib/hadoop-0.20/cache/cchuang/mapred/staging/cchuang402164468/.staging/job_local_0004/job.split <- /var/lib/hadoop-0.20/cache/cchuang/mapred/local/localRunner/job.split 12/04/05 10:00:59 INFO filecache.TrackerDistributedCacheManager: Creating symlink: /var/lib/hadoop-0.20/cache/cchuang/mapred/staging/cchuang402164468/.staging/job_local_0004/job.splitmetainfo <- /var/lib/hadoop-0.20/cache/cchuang/mapred/local/localRunner/job.splitmetainfo 12/04/05 10:00:59 INFO filecache.TrackerDistributedCacheManager: Creating symlink: /var/lib/hadoop-0.20/cache/cchuang/mapred/staging/cchuang402164468/.staging/job_local_0004/job.xml <- /var/lib/hadoop-0.20/cache/cchuang/mapred/local/localRunner/job.xml 12/04/05 10:00:59 INFO mapred.Task: Using ResourceCalculatorPlugin : null 12/04/05 10:00:59 INFO mapred.MapTask: io.sort.mb = 100 12/04/05 10:00:59 INFO mapred.MapTask: data buffer = 79691776/99614720 12/04/05 10:00:59 INFO mapred.MapTask: record buffer = 262144/327680 12/04/05 10:00:59 WARN mapred.LocalJobRunner: job_local_0004 java.lang.RuntimeException: org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path does not exist: file:/Users/cchuang/workspace/grapevine-rec/pigsample_854728855_1333645258470 at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.WeightedRangePartitioner.setConf(WeightedRangePartitioner.java:139) at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:62) at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117) at org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:560) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:639) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:323) at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:210) Caused by: org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path does not exist: file:/Users/cchuang/workspace/grapevine-rec/pigsample_854728855_1333645258470 at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.listStatus(FileInputFormat.java:231) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigFileInputFormat.listStatus(PigFileInputFormat.java:37) at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.getSplits(FileInputFormat.java:248) at org.apache.pig.impl.io.ReadToEndLoader.init(ReadToEndLoader.java:153) at org.apache.pig.impl.io.ReadToEndLoader.<init>(ReadToEndLoader.java:115) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.WeightedRangePartitioner.setConf(WeightedRangePartitioner.java:112) ... 6 more 12/04/05 10:00:59 INFO filecache.TrackerDistributedCacheManager: Deleted path /var/lib/hadoop-0.20/cache/cchuang/mapred/local/archive/4334795313006396107_361978491_57907159/localhost/tmp/temp1725960134/tmp-1546565755 12/04/05 10:00:59 INFO mapReduceLayer.MapReduceLauncher: HadoopJobId: job_local_0004 12/04/05 10:01:04 INFO mapReduceLayer.MapReduceLauncher: job job_local_0004 has failed! Stop running all dependent jobs 12/04/05 10:01:04 INFO mapReduceLayer.MapReduceLauncher: 100% complete 12/04/05 10:01:04 ERROR pigstats.PigStatsUtil: 1 map reduce job(s) failed! 12/04/05 10:01:04 INFO pigstats.PigStats: Script Statistics: HadoopVersion PigVersion UserId StartedAt FinishedAt Features 0.20.2-cdh3u3 0.8.1-cdh3u3 cchuang 2012-04-05 10:00:34 2012-04-05 10:01:04 GROUP_BY,ORDER_BY Some jobs have failed! Stop running all dependent jobs Job Stats (time in seconds): JobId Maps Reduces MaxMapTime MinMapTIme AvgMapTime MaxReduceTime MinReduceTime AvgReduceTime Alias Feature Outputs job_local_0001 0 0 0 0 0 0 0 0 all_influence_scores,grouped_user_similarity,simplified_user_similarity,user_similarity GROUP_BY job_local_0002 0 0 0 0 0 0 0 0 grouped_influence_scores,influence_scores GROUP_BY,COMBINER job_local_0003 0 0 0 0 0 0 0 0 ordered_influence_scores SAMPLER Failed Jobs: JobId Alias Feature Message Outputs job_local_0004 ordered_influence_scores ORDER_BY Message: Job failed! Error - NA /tmp/cc-test-results-1, Input(s): Successfully read 0 records from: "/tmp/sample-sim-score-results-31/part-r-00000" Output(s): Failed to produce result in "/tmp/cc-test-results-1" Counters: Total records written : 0 Total bytes written : 0 Spillable Memory Manager spill count : 0 Total bags proactively spilled: 0 Total records proactively spilled: 0 Job DAG: job_local_0001 -> job_local_0002, job_local_0002 -> job_local_0003, job_local_0003 -> job_local_0004, job_local_0004 12/04/05 10:01:04 INFO mapReduceLayer.MapReduceLauncher: Some jobs have failed! Stop running all dependent jobs

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  • ASP.NET MVC solution to a forms application?

    - by Gloria Huang
    Hello, We're building a survey system and utilising ASP.NET MVC and wondered if anyone can offer suggestions on the architecture. Here's the problem we're trying to solve. Essentially an agency sends out several surveys every year. They're very structured and not like SurveyMonkey style of surveys - they're actually applications of feedback. Much like a Visa Application there are lots of things they need to do and sometimes it takes them 2-3 weeks to fill it out. They can upload files (proofs of purchase etc - PDF/JPG) and also multiple "items". Eg. Say for instance they've worked for McDonalds, there could be 20 different franchises, they build a list of locations they've worked. 3 weeks later there could be another 3 new locations and 2 may have closed down. So we need to ensure the forms are able to handle those situations. The forms themselves (markup and data) change every year - I should mention that this for a taxation/finance/budget system. We were thinking of using MVC, using Xml to store the data (temporarily), XSD to validate the data, XSL to transform the data to presentable markup (for them to fill out) and then once they "Submit" an application it gets stored into the DB in relevant areas. When the user starts the application process, they can save the progress so far (we validate whatever they entred and ignore any they havent), save it as an Xml blob and store in the DB. When they're finally ready to submit it, then we do a full validation and upload the files and store them securely (it has their business proofs and accounting statements) and then run some workflows. What I'm really concerned about is how to manage changing forms versions (a year later). How are form/application systems written these days? We have 2 months to pull this off and about 30 forms to deliver. So 30xXML, 30xXSD, 30xXSL.

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  • How can I get browser to prompt to save password?

    - by Eric
    Hey, I'm working on a web app that has a login dialog that works like this: User clicks "login" Login form HTML is loaded with AJAX and displayed in DIV on page User enters user/pass in fields and clicks submit. It's NOT a <form> -- user/pass are submitted via AJAX If user/pass are okay, page reloads with user logged in. If user/pass are bad, page does NOT reload but error message appears in DIV and user gets to try again. Here's the problem: the browser never offers the usual "Save this password? Yes / Never / Not Now" prompt that it does for other sites. I tried wrapping the <div> in <form> tags with "autocomplete='on'" but that made no difference. Is it possible to get the browser to offer to store the password without a major rework of my login flow? thanks Eric p.s. to add to my question, I'm definitely working with browers that store passwords, and I've never clicked "never for this site" ...this is a technical issue with the browser not detecting that it's a login form, not operator error :-)

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  • QtCreator on linux: 32-bits vs. 64-bits.

    - by Claire Huang
    My laptop is 64-bits, so when I start to use Qt, I chose 64-bit QtCreator. Now I'm facing a problem, I wish that the executable files I generated are runnnable on 32-bit linux system. Can I set QtCreator to generate 32-bit executable files? So that I can decide I want to generate 32-bit ones or 64-bit ones. I don't want to install another 32-bit QtCreator <.

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  • MS Access form_current() firing multiple times

    - by Eric G
    I have a form with two subforms (on separate tab pages). It's an MDB project in Access 2003. When it initially opens, Form_Current on the active subform fires once, as it should. But when you move to another record (ie. from the main form), it fires Form_Current on the active subform 4 times. Then subsequent record-moves result in Form_Current firing 2 times. This is a pain, because the subforms have a lot of fields that get moved and/or hidden and so it jumps around for every Form_Current, not to mention being slow. I am opening the form with a filter via DoCmd.OpenForm (actually it sends the filter in via OpenArgs). FilterOn is only set once, in Form_Open on the main form, never in the subforms. Form_Current is not called explicitly anywhere else in the code. When I look at the call stack when Form_Current fires moving the first time, it looks like: my_subform.Form_Current [<Debug Window>] my_subform.Form_Current So it seems like something in Form_Current is triggering another Form_Current event. But only on the first record move. The code in Form_Current is somewhat complex, involving custom classes and event callbacks, but generally does not touch the table data. The only thing I can think might be triggering a Form_Current is that it checks OldValue on form controls - could this be causing it? Or anything else come to mind? Thanks. Eric

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  • c# webbrowser | pushed realtime quotes

    - by Eric
    Hi, I am programmer and share trader. Before I have written a day trading application. Until last week it was possible to fetch realtime quotes from http://aktien.boerse.de/aktien_startseite.php?view=2&order=name%20asc&liste=prime&page=0 . Every time the site was surfed the quotes had changed. The HTML contents could then be decoded with regular expressions (regex). Problem They have stopped this service by today. Now the quotes are not realtime when surfing on the page. The only way to get stock quotes now is to use pushed quotes "Push starten"-Button. However I do not know how to basically fetch them in C#. When I create a webbrowser element the only way which I know to get the push quotes out of it is to give the webbrowser element the focus send key ctrl+A and ctrl+C and insert the data some where for decoding. This is not desired since the control is moved away from the user and in case some other control is clicked during the process this may result in unexpected behaviour. Question So is there a proper way to decode push stock quotes in C#? Thanks a lot in advance, --eric

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  • ASP.NET 2.0 - scaffolding a database table for webforms

    - by Francis Huang
    Can you recommend a tool that can analyze a SQL database table, read the table columns, and populate an .aspx page with appropriate controls (i.e. textboxes with matching labels)? See this demo of ComponentOne InputPanel for WinForms for the functionality desired. Are there any built-in tools for ASP.NET 2.0 WebForms that can help build a scaffold page for any given database table or entity? Are there any free components out there to help achieve this goal?

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  • Some special characters defined in "ISO-8859-1" can't be shown when encoding with "UTF-8"

    - by Mike.Huang
    I need to get a string from URL request of brower, and then create a text image by requested text. I know the default encoding of the Java net transmission is "ISO-8859-1", it can works normally with all characters what defined in "ISO-8859-1". But when I request a multi-byte Unicode character (e.g. chinese or something like ¤?), then I need to decode it by "UTF-8" from "ISO-8859-1". My codes like: String reslut = new String(requestString.getBytes("ISO-8859-1"), "UTF-8"); Everything is fine, but I found some characters in ISO-8859-1 are not been shown now, which characters are 0x80 - 0xFF(defined in" ISO-8859-1"), i.e. the characters after 0x80 (in "ISO-8859-1") not been shown when converted to "UTF-8" from "ISO-8859-1". Any other method can solve this query?

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  • How to set QNetworkReply properties to get correct NCBI pages?

    - by Claire Huang
    I try to get this following url using the downloadURL function: http://www.ncbi.nlm.nih.gov/nuccore/27884304 But the data is not as what we can see through the browser. Now I know it's because that I need to give the correct information such as browser, how can I know what kind of information I need to set, and how can I set it? (By setHeader function??) In VC++, we can use CInternetSession and CHttpConnection Object to get the correct information without setting any other detail information, is there any similar way in Qt or other cross-platform C++ network lib?? (Yes, I need the the cross-platform property.) QNetworkReply::NetworkError downloadURL(const QUrl &url, QByteArray &data) { QNetworkAccessManager manager; QNetworkRequest request(url); request.setHeader(QNetworkRequest::ContentTypeHeader ,"Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7 (.NET CLR 3.5.30729)"); QNetworkReply *reply = manager.get(request); QEventLoop loop; QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit())); loop.exec(); QVariant statusCodeV = reply->attribute(QNetworkRequest::RedirectionTargetAttribute); QUrl redirectTo = statusCodeV.toUrl(); if (!redirectTo.isEmpty()) { if (redirectTo.host().isEmpty()) { const QByteArray newaddr = ("http://"+url.host()+redirectTo.encodedPath()).toAscii(); redirectTo.setEncodedUrl(newaddr); redirectTo.setHost(url.host()); } return (downloadURL(redirectTo, data)); } if (reply->error() != QNetworkReply::NoError) { return reply->error(); } data = reply->readAll(); delete reply; return QNetworkReply::NoError; }

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  • Cannot run an executable binary file on another Linux System??

    - by Claire Huang
    I'm using Ubuntu 10.04 and Qt4.6, and I've created an executable binary file on my own computer through QtCreator. Now I want to put my executable file on CentOS 5, but it seems that this executable file cannot run on CentOS. Do I need to set some compile parameters to make it runnable on Linux other than Ubuntu?? Or do I need to put some lib files with the executable binary file? (For windows, the .exe file should put together with some .dll files to provide the correct dynamic lib linkage, is there some similar problem on linux?) Thanks for your help!

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  • How can I change the text in a <span></span> element using jQuery?

    - by Eric Reynolds
    I have a span element as follows: <span id="download">Download</span>. This element is controlled by a few radio buttons. Basically, what I want to do is have 1 button to download the item selected by the radio buttons, but am looking to make it a little more "flashy" by changing the text inside the <span> to say more specifically what they are downloading. The span is the downloading button, and I have it animated so that the span calls slideUp(), then should change the text, then return by slideDown().Here is the code I am using that does not want to work. $("input[name=method]").change(function() { if($("input[name=method]").val() == 'installer') { $('#download').slideUp(500); $('#download').removeClass("downloadRequest").removeClass("styling").css({"cursor":"default"}); $('#download').text("Download"); $('#download').addClass("downloadRequest").addClass("styling").css({"cursor":"pointer"}); $('#download').slideDown(500); } else if($("input[name=method]").val() == 'url') { $('#download').slideUp(500); $('#download').removeClass("downloadRequest").removeClass("styling").css({"cursor":"default"}); $('#download').text("Download From Vendor Website"); $('#download').addClass("styling").addClass("downloadRequest").css({"cursor":"pointer"}); $('#download').slideDown(500); } }); I changed the code a bit to be more readable so I know that it doesn't have the short code that jQuery so eloquently allows. Everything in the code works, with the exception of the changing of the text inside the span. I'm sure its a simple solution that I am just overlooking. Any help is appreciated, Eric R.

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  • How can I set QNetworkReply properties to get correct NCBI pages?

    - by Claire Huang
    I try to get this following url using the downloadURL function: http://www.ncbi.nlm.nih.gov/nuccore/27884304 But the data is not as what we can see through the browser. Now I know it's because that I need to give the correct information such as browser, how can I know what kind of information I need to set, and how can I set it? (By setHeader function??) In VC++, we can use CInternetSession and CHttpConnection Object to get the correct information without setting any other detail information, is there any similar way in Qt or other cross-platform C++ network lib?? (Yes, I need the the cross-platform property.) QNetworkReply::NetworkError downloadURL(const QUrl &url, QByteArray &data) { QNetworkAccessManager manager; QNetworkRequest request(url); request.setHeader(QNetworkRequest::ContentTypeHeader ,"Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7 (.NET CLR 3.5.30729)"); QNetworkReply *reply = manager.get(request); QEventLoop loop; QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit())); loop.exec(); int direction; QVariant statusCodeV = reply->attribute(QNetworkRequest::RedirectionTargetAttribute); QUrl redirectTo = statusCodeV.toUrl(); if (!redirectTo.isEmpty()) { if (redirectTo.host().isEmpty()) { const QByteArray newaddr = ("http://"+url.host()+redirectTo.encodedPath()).toAscii(); redirectTo.setEncodedUrl(newaddr); redirectTo.setHost(url.host()); } return (downloadURL(redirectTo, data)); } if (reply->error() != QNetworkReply::NoError) { return reply->error(); } data = reply->readAll(); delete reply; return QNetworkReply::NoError; }

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