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  • How odd this function is? It works in a test project, however, it goes wrong in my project?(Windows Socket) [closed]

    - by user67449
    int SockSend(DataPack &dataPack, SOCKET &sock, char *sockBuf){ int bytesLeft=0, bytesSend=0; int idx=0; bytesLeft=sizeof(dataPack); // ?DataPack?????sockBuf??? memcpy(sockBuf, &dataPack, sizeof(dataPack)); while(bytesLeft>0){ memset(sockBuf, 0, sizeof(sockBuf)); bytesSend=send(sock, &sockBuf[idx], bytesLeft, 0); cout<<"??send()??, bytesSend: "<<bytesSend<<endl; if(bytesSend==SOCKET_ERROR){ cout<<"Error at send()."<<endl; cout<<"Error # "<<WSAGetLastError()<<" happened."<<endl; return 1; } bytesLeft-=bytesSend; idx+=bytesSend; } cout<<"DataPack ???????"<<endl; return 0; } This is the function I defined, which is used to send a user_defined structure DataPack. My code in test project is as follows: char sendBuf[100000]; int res=SockSend(dataPack, sockConn, sendBuf); if(res==1){ cout<<"SockSend()???"<<endl; }else{ cout<<"SockSend()???"<<endl; } My code in my current project is: err=SockSend(dataPackSend, sockConn, sockBuf); if(err==1){ cout<<"SockSend()??"<<endl; exit(0); }else{ cout<<"??? "<<dataPackSend.packNum<<" ?DataPack(??)"<<endl; } Can you tell me where does this function go wrong? I will be appreciated for you answer.

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  • Is it possible to setup an internal test email server to keep all mail sent to it?

    - by MattGrommes
    We have a need at my work to setup a test email server that will take all mail sent to it for delivery and instead just dump it into an account for later retrieval. I've been out of the email server configuration game long enough that I think that's possible but I don't know for sure. As a more specific example of what we need: We have code that sends emails to outside clients in certain cases. We want to point our code to a test server that will accept those emails, but not let them get to the outside world (yes, it's happened before, oops). We then need to be able to verify that Email X would have gotten sent to Client Y if we had sent to the real server. As a bonus, we have a error email alias on our real server that goes to the programmers that we would like to keep getting email from. So anything sent to that alias on the test server would forward to our real server for delivery. My preference is for postfix but our IT staff seems set on using sendmail (or Exchange) for everything so hints/pointers for either server would be helpful. Thanks a lot.

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  • Max. Temp. on Intel Burn Test for Stock Dell Precision T3500

    - by HK1
    I'm troubleshooting an issue on a Dell Precision T3500. As part of my troubleshooting I've decided to try running a stress test using Intel Burn Test software. This machine is a stock configuration with 12GB of RAM and a Xeon W3670 processor (nothing overclocked). When I run IBT using the standard mode, SpeedFan reports a processor temperature in excess of 80C. I've seen numbers as high as 90C but even at that temperature the machine does not become unstable or crash. However, it seems way too high. This processor has a TCase of 67.9C according to Intel's website. I'm guessing that means I'm in the danger zone any time I go over that temperature. I've checked the cooling system and everything looks fine. I've even took out the heat sink and reinstalled it with new thermal compound. This did not appear to make the problem better or worse. Is there a discrepancy somewhere here in the way temperatures are measured or displayed? I've also tried using HWMonitor from CPUID and it reports the same temperatures. Should I just let the Standard Test go and disregard the temperature outputs?

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  • Power surge PC damage: How can I test all components of my PC without access to a second computer?

    - by Doug T.
    Ever since we had some crazy power surges last week my 64 bit Windows 7 PC has been acting strange. My USB network adapter disconnects from the wireless and can't detect the signal. I have to disable/reenable the adapter to detect it again. Also my wife has reported that the PC has rebooted a few times while I'm not sitting at it. Today I finally caught the reboot while I was using the PC. I got this blue screen of death. Stop Code 0x00000109: "Modification of system code or a critical data structure was detected." I followed the advice at the linked article and ran a memory test. I used memtest86 and its already found around 300,000 errors out of 8 gigs of ram. Now I'm worried -- what are the odds this is isolated to just my memory and not just a system wide problem? Isn't there a good chance that many other components are fried? More importantly, how can I test those other components? Are there tools similar to memtest I can use to test my motherboard/video card/power supply? If these are vender specific, is it typical for vendors to provide testing tools?

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  • fftw in Visual Studio?

    - by drhorrible
    I'm trying to link my project with fftw and so far, I've gotten it to compile, but not link. As the site said, I generated all the .lib files (even though I'm only using double precision), and copied them to C:\Program Files\Microsoft Visual Studio 9.0\VC\lib, the .h file to C:\Program Files\Microsoft Visual Studio 9.0\VC\include and the .dll to C:\windows\system32. I've copied the tutorial program, and the exact error I am getting is: 1>hw10.obj : error LNK2019: unresolved external symbol __imp__fftw_free referenced in function "bool __cdecl test(void)" (?test@@YA_NXZ) 1>hw10.obj : error LNK2019: unresolved external symbol __imp__fftw_destroy_plan referenced in function "bool __cdecl test(void)" (?test@@YA_NXZ) 1>hw10.obj : error LNK2019: unresolved external symbol __imp__fftw_execute referenced in function "bool __cdecl test(void)" (?test@@YA_NXZ) 1>hw10.obj : error LNK2019: unresolved external symbol __imp__fftw_plan_dft_1d referenced in function "bool __cdecl test(void)" (?test@@YA_NXZ) 1>hw10.obj : error LNK2019: unresolved external symbol __imp__fftw_malloc referenced in function "bool __cdecl test(void)" (?test@@YA_NXZ) So, what could be wrong with my project setup? Thanks!

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  • Glassfish v3 / JNDI entry cannot be found problems!

    - by REMP
    I've been having problems trying to call an EJB's method from a Java Application Client. Here is the code. EJB Remote Interface package com.test; import javax.ejb.Remote; @Remote public interface HelloBeanRemote { public String sayHello(); } EJB package com.test; import javax.ejb.Stateless; @Stateless (name="HelloBeanExample" , mappedName="ejb/HelloBean") public class HelloBean implements HelloBeanRemote { @Override public String sayHello(){ return "hola"; } } Main class (another project) import com.test.HelloBeanRemote; import javax.naming.Context; import javax.naming.InitialContext; public class Main { public void runTest()throws Exception{ Context ctx = new InitialContext(); HelloBeanRemote bean = (HelloBeanRemote)ctx.lookup("java:global/Test/HelloBeanExample!com.test.HelloBeanRemote"); System.out.println(bean.sayHello()); } public static void main(String[] args)throws Exception { Main main = new Main(); main.runTest(); } } Well, what is my problem? JNDI entry for this EJB cannot be found! java.lang.NullPointerException at com.sun.enterprise.naming.impl.SerialContext.getRemoteProvider(SerialContext.java:297) at com.sun.enterprise.naming.impl.SerialContext.getProvider(SerialContext.java:271) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:430) at javax.naming.InitialContext.lookup(InitialContext.java:392) at testdesktop.Main.runTest(Main.java:22) at testdesktop.Main.main(Main.java:31) Exception in thread "main" javax.naming.NamingException: Lookup failed for 'java:global/Test/HelloBeanExample!com.test.HelloBeanRemote' in SerialContext [Root exception is javax.naming.NamingException: Unable to acquire SerialContextProvider for SerialContext [Root exception is java.lang.NullPointerException]] at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:442) at javax.naming.InitialContext.lookup(InitialContext.java:392) at testdesktop.Main.runTest(Main.java:22) at testdesktop.Main.main(Main.java:31) Caused by: javax.naming.NamingException: Unable to acquire SerialContextProvider for SerialContext [Root exception is java.lang.NullPointerException] at com.sun.enterprise.naming.impl.SerialContext.getProvider(SerialContext.java:276) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:430) ... 3 more Caused by: java.lang.NullPointerException at com.sun.enterprise.naming.impl.SerialContext.getRemoteProvider(SerialContext.java:297) at com.sun.enterprise.naming.impl.SerialContext.getProvider(SerialContext.java:271) ... 4 more Java Result: 1 I've trying with different JNDI entries but nothing works (I got this entries from NetBeans console): INFO: Portable JNDI names for EJB HelloBeanExample : [java:global/Test/HelloBeanExample, java:global/Test/HelloBeanExample!com.test.HelloBeanRemote] INFO: Glassfish-specific (Non-portable) JNDI names for EJB HelloBeanExample : [ejb/HelloBean, ejb/HelloBean#com.test.HelloBeanRemote] So I tried with the following entries but I got the same exception : java:global/Test/HelloBeanExample java:global/Test/HelloBeanExample!com.test.HelloBeanRemote ejb/HelloBean ejb/HelloBean#com.test.HelloBeanRemote I'm using Netbeans 6.8 and Glassfish v3!

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  • Why is the meaning of “ours” and “theirs” reversed with git-svn

    - by Marc Liyanage
    I use git-svn and I noticed that when I have to fix a merge conflict after performing a git svn rebase, the meaning of the --ours and --theirs options to e.g. git checkout is reversed. That is, if there's a conflict and I want to keep the version that came from the SVN server and throw away the changes I made locally, I have to use ours, when I would expect it to be theirs. Why is that? Example: mkdir test cd test svnadmin create svnrepo svn co file://$PWD/svnrepo svnwc cd svnwc echo foo > test.txt svn add test.txt svn ci -m 'svn commit 1' cd .. git svn clone file://$PWD/svnrepo gitwc cd svnwc echo bar > test.txt svn ci -m 'svn commit 2' cd .. cd gitwc echo baz > test.txt git commit -a -m 'git commit 1' git svn rebase git checkout --ours test.txt cat test.txt # shows "bar" but I expect "baz" git checkout --theirs test.txt cat test.txt # shows "baz" but I expect "bar"

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  • Robotium Uniting Testing on an application having multiple processes

    - by warenix
    I have written an application running activities in multiple processes. I tried Robotium by creating a new test project set target package to my application. When I executed it, the test stopped with the following error message: Error in testDisplayBlackBox: java.lang.RuntimeException: Intent in process com.abc.def resolved to different process com.abc.def:mail: Intent { act=android.intent.action.MAIN flg=0x10000000 cmp=com.abc.def/com.abc.def.email.activity.Welcome } at android.app.Instrumentation.startActivitySync(Instrumentation.java:377) at android.test.InstrumentationTestCase.launchActivityWithIntent(InstrumentationTestCase.java:119) at android.test.InstrumentationTestCase.launchActivity(InstrumentationTestCase.java:97) at android.test.ActivityInstrumentationTestCase2.getActivity(ActivityInstrumentationTestCase2.java:104) at com.abc.def.test.TestApk.setUp(TestApk.java:31) at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:190) at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:175) at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:555) at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1584) Test results for InstrumentationTestRunner=.E Time: 0.027 FAILURES!!! Tests run: 1, Failures: 0, Errors: 1 Is it possible to have any workaround provided that I have source code in hand?

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  • Json select a specific item out for editing with javascript

    - by minus4
    I have the following JSon: {"DPI":"66.8213457076566", "width":"563.341067", "editable":"True", "pricecat":"6", "numpages":"2", "height":"400", "page":[{"filename":"999_9_1.jpg", "line":[{"test":"test 1",lineid:22}, {"test":"test 2",lineid:22}, {"test":"test 3",lineid:22}, {"test":"test 4",lineid:22}, {"test":"blank",lineid:22}]}, {"filename":"999_9_2.jpg", "line":[]}]}# i can do most things with lines like measurements.page[0].line[0].lineid; but what i am really stuck with is when i want to edit a specific line but i only have lineid available and not the line number in the array, for example: measurements.page[0].line[0].test = "new changed value"; however i dod not know the line number I.E 0 line[0] is there a way for me to get the line number of a line that has a lineid value of say 22 ???? and all within javascript thanks

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  • How do i pass arraycollection to Advancedatagrid using HierarchicalData ?

    - by R.Vijayakumar
    Problem with passing arraycollection to Advance datagrid. My Arraycollection structure like `   private var groupList:ArrayCollection = new ArrayCollection([ {Country:'India', children:[ {Country:'Series1', children:[                                {Matches:'India Test series 1',isEnable:false,id:1,isSelected:true},                                {Matches:'India Test series 2',isEnable:false,id:2,isSelected:true},                                {Matches:'India Test series 3',isEnable:false,id:3,isSelected:true}]},              {Country:'Series2', children:[                                {Matches:'Australia Test series 1',isEnable:false,id:25,isSelected:true},                                {Matches:'Australia Test series 2',isEnable:false,id:26,isSelected:true},                                {Matches:'Australia Test series 3',isEnable:false,id:27,isSelected:true}]} ]}, {Country:'Austrila', children:[ {Country:'Series1', children:[                                {Matches:'Australia Test series 1',isEnable:false,id:46,isSelected:true},                                {Matches:'Australia Test series 2',isEnable:false,id:47,isSelected:true},                                {Matches:'Australia Test series 3',isEnable:false,id:48,isSelected:true}]}, {Country:'Series2', children:[                                {Matches:'Australia Test series 1',isEnable:false,id:49,isSelected:true},                                {Matches:'Australia Test series 2',isEnable:false,id:50,isSelected:true},                                {Matches:'Australia Test series 3',isEnable:false,id:51,isSelected:true}]}, {Country:'Series3', children:[                                {Matches:'Australia Test series 1',isEnable:false,id:52,isSelected:true},                                {Matches:'Australia Test series 2',isEnable:false,id:53,isSelected:true},                                {Matches:'Australia Test series 3',isEnable:false,id:54,isSelected:true}]} ]} passing AD in dataProvider="{new HierarchicalData(groupList)}" It's working fine. it's show two menu of tree and childrens based on country .But i tried dynamic xml convert to Arraycollection by below code private function convertXmlToArrayCollection( file:String ):ArrayCollection { var xml:XMLDocument = new XMLDocument( file ); //var decoder:SimpleXMLDecoder = new SimpleXMLDecoder(); var decoder1:SimpleXMLDecoder = new SimpleXMLDecoder(true); var data1:Object = decoder1.decodeXML( xml ); var array1:Array = ArrayUtil.toArray(data1); return new ArrayCollection( array1 ); } my xml structure is <Country Country="India "> <Country Country="Series "> <Matches Matches="BIndependiente-Colon" id="701536" isEnable="false" isSelected="true" startDate="2009-10-29 01:30:00" EndDate="2009-10-29 01:30:00"/> <Matches Matches="Boca Juniors-Chacarita Juniors" id="701633" isEnable="false" isSelected="true" startDate="2009-10-29 19:00:00" EndDate=""/> </Country> </Country> <Country Country="Australia"> <Country Country="series"> <Matches Matches="BIndependiente-Colon" id="701536" isEnable="false" isSelected="true" startDate="2009-10-29 01:30:00" EndDate="2009-10-29 01:30:00"/> <Matches Matches="Boca Juniors-Chacarita Juniors" id="701633" isEnable="false" isSelected="true" startDate="2009-10-29 19:00:00" EndDate=""/> </Country> </Country> So if i tried to convert this format of xml code to arryacollection , it converted the array collection but when will i pass to Advance data grid it not show any result . What did i wrong ? groupList1= convertXmlToArrayCollection(string1); Alert.show(groupList1[0].Country[0].Matches[0].id.toString());// output is =701536 Where did i mistake it ? Plz kindly any one refer me , What will i changed ?

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  • How do I select an item out of a JavaScript array when I only know a value for one of the item's pro

    - by minus4
    I have the following JavaScript object: { "DPI": "66.8213457076566", "width": "563.341067", "editable": "True", "pricecat": "6", "numpages": "2", "height": "400", "page": [{ "filename": "999_9_1.jpg", "line": [{ "test": "test 1", lineid: 22 }, { "test": "test 2", lineid: 22 }, { "test": "test 3", lineid: 22 }, { "test": "test 4", lineid: 22 }, { "test": "blank", lineid: 22 }] }, { "filename": "999_9_2.jpg", "line": [] }] } I can do most things with lines like measurements.page[0].line[0].lineid; But what I am really stuck with is when I want to edit a specific line but I only have the lineid value available (for example 22) and not the line number in the array: measurements.page[0].line[WHAT DO I PUT HERE].test = "new changed value";

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  • Strange problem publishing a fresh Ruby on Rails 3 application on localhost (Apache, Passenger and VirtualHosts)

    - by user502052
    I recently created a new Ruby on Rails 3 application locally on a Mac OS, named "test". Since I use apache2, in the private/etc/apache2/httpd.conf I set the VirtualHost for the "test" application: <VirtualHost *:443> ServerName test.pjtmain.localhost:443 DocumentRoot "/Users/<my_user_name>/Sites/test/public" RackEnv development <Directory "/Users/<my_user_name>/Sites/test/public"> Order allow,deny Allow from all </Directory> # SSL Configuration SSLEngine on ... </VirtualHost> <VirtualHost *:80> ServerName test.pjtmain.localhost DocumentRoot "/Users/<my_user_name>/Sites/test/public" RackEnv development <Directory "/Users/<my_user_name>/Sites/test/public"> Order allow,deny Allow from all </Directory> </VirtualHost> Of course I restart apache2, but trying to access to http://test.pjtmain.localhost/ I have this error message from: FIREFOX Oops! Firefox could not find test.pjtmain.localhost Suggestions: * Search on Google: ... SAFARI Safari can’t find the server. Safari can’t open the page “http://test.pjtmain.localhost/” because Safari can’t find the server “test.pjtmain.localhost”. I have other RoR3 applications setted like that above in the httpd.conf file and all them work. What is the problem (maybe it is not related to apache...)? Notes: 1. Using the 'Network Uility' I did a Ping with the following result: ping: cannot resolve test.pjtmain.localhost: Unknown host and I did a Lookup with the follonwing result: ; <<>> DiG 9.6.0-APPLE-P2 <<>> test.pjtmain.localhost +multiline +nocomments +nocmd +noquestion +nostats +search ;; global options: +cmd <MY_BROADBAND_TELECOMUNICATIONS_COMPANY_NAME>.com. 115 IN SOA dns1.<MY_BROADBAND_TELECOMUNICATIONS_COMPANY_NAME>.com. dnsmaster.<MY_BROADBAND_TELECOMUNICATIONS_COMPANY_NAME>.com. ( 2010110500 ; serial 10800 ; refresh (3 hours) 900 ; retry (15 minutes) 604800 ; expire (1 week) 86400 ; minimum (1 day) ) 2. I am using Phusion Passenger 3. Since I not changed nothing to the new "test" application, I expect to see the default RoR index.html page: 4. It seems that in the 'Console Messages' there is any warning or error

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  • How to get application to use specific version of .NET?

    - by HN
    Hi, I am using pnunit to run nunit tests on remote machines, the pnunit agent loads the test and runs it in Windows 2008 but the test fails to load in Windows 2003, the agent error is INFO PNUnit.Agent.PNUnitAgent - Registering channel on port 9080 INFO PNUnit.Agent.PNUnitAgent - RunTest called for Test MyTest, AssemblyName test.dll, TestToRun test.Program.myDeployTest INFO PNUnit.Agent.PNUnitTestRunner - Spawning a new thread INFO PNUnit.Agent.PNUnitTestRunner - Thread entered for Test MyTest:test.Program.myDeployTest Assembly test.dll Unhandled Exception: System.BadImageFormatException: The format of the file 'test ' is invalid. File name: "test" Server stack trace: at System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, B oolean isStringized, Evidence assemblySecurity, Boolean throwOnFileNotFound, Ass embly locationHint, StackCrawlMark& stackMark) On running procmon and monitoring the agent process i could see that the agent executable was using .NET 1.1 assemblies on Windows 2003 and .NET 2.0 on Windows 2008 which could be an explanation for this behavior. How do I get the agent to use .NET 2.0 on Windows 2003?

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  • Select only the first rows for each unique value of a column in R

    - by dmvianna
    From a dataframe like this test <- data.frame('id'= rep(1:5,2), 'string'= LETTERS[1:10]) test <- test[order(test$id), ] rownames(test) <- 1:10 > test id string 1 1 A 2 1 F 3 2 B 4 2 G 5 3 C 6 3 H 7 4 D 8 4 I 9 5 E 10 5 J I want to create a new one with the first appearance of each id / string pair. If sqldf accepted R code within it, the query could look like this: res <- sqldf("select id, min(rownames(test)), string from test group by id, string") > res id string 1 1 A 3 2 B 5 3 C 7 4 D 9 5 E Is there a solution short of creating a new column like test$row <- rownames(test) and running the same sqldf query with min(row)?

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  • how to find and add a string to a file in linux

    - by user2951644
    How can I check a file for a string if missing the string automatically add it for example Input Input file test.txt this is a test text for testing purpose this is a test for testing purpose this is a test for testing purpose this is a test text for testing purpose I would like to add "text" to all the lines Desired Output this is a test text for testing purpose this is a test text for testing purpose this is a test text for testing purpose this is a test text for testing purpose Is it possible? many thanks in advance Hi guys thanks for all the help, for my case is not that simple. I wont know which line will be different and in the middle string it will not only have a single string. i will give a clearer case Input file test.txt Group: IT_DEPT,VIP Role: Viewer Dept: IT Group: IT_DEPT,VIP Dept: IT Group: FINANCE LOAN VIEWER Role: Viewer Dept: FINANCE Group: FINANCE LOAN VIEWER Dept: FINANCE Desired output file test2.txt Group: IT_DEPT,VIP Role: Viewer Dept: IT Group: IT_DEPT,VIP Role: - Dept: IT Group: FINANCE LOAN VIEWER Role: Viewer Dept: FINANCE Group: FINANCE LOAN VIEWER Role: - Dept: FINANCE So those that are missing "Role:" will be added "Role: - ", hope this clear things out, thanks in advance again

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  • why my unit testing taken more than normal time to run in VS 2010 Premium [on hold]

    - by kombo
    I have only 4 proeject in my solutions. Am trying to run a unit test for one of my class in one of the project. I Create the unit test by: Right clicking on the class choose the create unit test option. I followed the wizard to the end.which resulting the test creation. I just pass the values of the parameter and run the test. but my test keep running. Both surprisingly it runs on other developers pc. NB:My class is connecting to the database and my application is asp.net web form. i know this is not recommended but i want to have my test running now. i have tried alot of samples on the internet but still my problem persist. Could any one tell me the cause of the extreme slowness(more than 30 minutes)

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  • how to get 12 for joel test working in a small team of 3-4 on php website?

    - by keisimone
    Hi i read this inspired, i am asking for specific help to achieve a 12 for my current project. i am working in a team of 3-4 on a php project that is based on cakephp. i only have a dedicated server running on linux which i intend to have the website live on. and i have a plan with assembla where i am using its svn repository. that's it. i like to hear a major, impactful step towards answering each point raised by the joel test. by impactful i mean doing just this one thing would raise my project to scoring or close to scoring on that area of the joel test. lets begin: 1) do you have a source control system? I am very proud to say learning how to use svn even though we know nuts about branch/release policies made the biggest impact to our programming lives. and the svn repos is on assembla paid plan. Feel free to add if anyone thinks we can do more in this area. 2) Can you make a build in one step? i think the issue is how do i define as a build? i think we are going to define it as if tomorrow my dedicated server crashed and we found another server from another normal hosting provider and all my team's machines all destroyed, how are we going to get the website up again? my code is in svn on assembla. 1 step means as close to 1 button to push as possible. 3)Do you make daily builds? i know nothing about this. please help. i googled and came across this phpundercontrol. but i am not sure if we can get that to work with assembla. are there easier ways? 4)Do you have a bug database? we have not used the assembla features on bug tracking. ashamed to say. i think i will sort this out myself. 5)Do you fix bugs before writing new code? policy issue. i will sort it out myself. 6)Do you have an up-to-date schedule? Working on it. Same as above. estimates have historically been overly optimistic. having spent too much time using all sorts of funny project management tools, i think this time i am going to use just paper and pen. please dont tell me scrum. i need to keep things even simpler than that. 7)Do you have a spec? We do, but its in paper and pen. what would be a good template? 8)Do programmers have quiet working conditions? Well we work at home and in distributed manner. so .. 9)Do you use the best tools money can buy? We use cheap tools. we are not big. 10)Do you have testers? NO testers. Since we have a team of 3, i think i should go get 1 tester. even on a part time basis. so i should get this 1 part time tester test in what manner to extract maximum effects? should i get him to write out the test scenarios and expected outcomes and then test it? or i write the test scenarios and then ask him to do it? we will be writing the test cases ourselves using simpletest. i came across selenium. how useful is that? 11)Do new candidates write code during their interview? Not applicable. But i will do it next time i try to hire anyone else. hires or contractors alike. 12)Do you do hallway usability testing? Will do so on a per month or per milestone basis. i will grab my friends who are not net-savvy. they will be the best testers of this type. Thank you.

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  • Let and construct versus let in sequence

    - by Stringer
    Consider this OCaml code: let coupe_inter i j cases = let lcases = Array.length cases in let low,_,_ = cases.(i) and _,high,_ = cases.(j) in low,high, Array.sub cases i (j-i+1), case_append (Array.sub cases 0 i) (Array.sub cases (j+1) (lcases-(j+1))) Why the expression let ... and ... in is used in place of a let ... in let ... in sequence (like F# force you to do)? This construct seems quite frequent in OCaml code. Thanks!

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  • SQL SERVER – Server Side Paging in SQL Server 2011 Performance Comparison

    - by pinaldave
    Earlier, I have written about SQL SERVER – Server Side Paging in SQL Server 2011 – A Better Alternative. I got many emails asking for performance analysis of paging. Here is the quick analysis of it. The real challenge of paging is all the unnecessary IO reads from the database. Network traffic was one of the reasons why paging has become a very expensive operation. I have seen many legacy applications where a complete resultset is brought back to the application and paging has been done. As what you have read earlier, SQL Server 2011 offers a better alternative to an age-old solution. This article has been divided into two parts: Test 1: Performance Comparison of the Two Different Pages on SQL Server 2011 Method In this test, we will analyze the performance of the two different pages where one is at the beginning of the table and the other one is at its end. Test 2: Performance Comparison of the Two Different Pages Using CTE (Earlier Solution from SQL Server 2005/2008) and the New Method of SQL Server 2011 We will explore this in the next article. This article will tackle test 1 first. Test 1: Retrieving Page from two different locations of the table. Run the following T-SQL Script and compare the performance. SET STATISTICS IO ON; USE AdventureWorks2008R2 GO DECLARE @RowsPerPage INT = 10, @PageNumber INT = 5 SELECT * FROM Sales.SalesOrderDetail ORDER BY SalesOrderDetailID OFFSET @PageNumber*@RowsPerPage ROWS FETCH NEXT 10 ROWS ONLY GO USE AdventureWorks2008R2 GO DECLARE @RowsPerPage INT = 10, @PageNumber INT = 12100 SELECT * FROM Sales.SalesOrderDetail ORDER BY SalesOrderDetailID OFFSET @PageNumber*@RowsPerPage ROWS FETCH NEXT 10 ROWS ONLY GO You will notice that when we are reading the page from the beginning of the table, the database pages read are much lower than when the page is read from the end of the table. This is very interesting as when the the OFFSET changes, PAGE IO is increased or decreased. In the normal case of the search engine, people usually read it from the first few pages, which means that IO will be increased as we go further in the higher parts of navigation. I am really impressed because using the new method of SQL Server 2011,  PAGE IO will be much lower when the first few pages are searched in the navigation. Test 2: Retrieving Page from two different locations of the table and comparing to earlier versions. In this test, we will compare the queries of the Test 1 with the earlier solution via Common Table Expression (CTE) which we utilized in SQL Server 2005 and SQL Server 2008. Test 2 A : Page early in the table -- Test with pages early in table USE AdventureWorks2008R2 GO DECLARE @RowsPerPage INT = 10, @PageNumber INT = 5 ;WITH CTE_SalesOrderDetail AS ( SELECT *, ROW_NUMBER() OVER( ORDER BY SalesOrderDetailID) AS RowNumber FROM Sales.SalesOrderDetail PC) SELECT * FROM CTE_SalesOrderDetail WHERE RowNumber >= @PageNumber*@RowsPerPage+1 AND RowNumber <= (@PageNumber+1)*@RowsPerPage ORDER BY SalesOrderDetailID GO SET STATISTICS IO ON; USE AdventureWorks2008R2 GO DECLARE @RowsPerPage INT = 10, @PageNumber INT = 5 SELECT * FROM Sales.SalesOrderDetail ORDER BY SalesOrderDetailID OFFSET @PageNumber*@RowsPerPage ROWS FETCH NEXT 10 ROWS ONLY GO Test 2 B : Page later in the table -- Test with pages later in table USE AdventureWorks2008R2 GO DECLARE @RowsPerPage INT = 10, @PageNumber INT = 12100 ;WITH CTE_SalesOrderDetail AS ( SELECT *, ROW_NUMBER() OVER( ORDER BY SalesOrderDetailID) AS RowNumber FROM Sales.SalesOrderDetail PC) SELECT * FROM CTE_SalesOrderDetail WHERE RowNumber >= @PageNumber*@RowsPerPage+1 AND RowNumber <= (@PageNumber+1)*@RowsPerPage ORDER BY SalesOrderDetailID GO SET STATISTICS IO ON; USE AdventureWorks2008R2 GO DECLARE @RowsPerPage INT = 10, @PageNumber INT = 12100 SELECT * FROM Sales.SalesOrderDetail ORDER BY SalesOrderDetailID OFFSET @PageNumber*@RowsPerPage ROWS FETCH NEXT 10 ROWS ONLY GO From the resultset, it is very clear that in the earlier case, the pages read in the solution are always much higher than the new technique introduced in SQL Server 2011 even if we don’t retrieve all the data to the screen. If you carefully look at both the comparisons, the PAGE IO is much lesser in the case of the new technique introduced in SQL Server 2011 when we read the page from the beginning of the table and when we read it from the end. I consider this as a big improvement as paging is one of the most used features for the most part of the application. The solution introduced in SQL Server 2011 is very elegant because it also improves the performance of the query and, at large, the database. Reference : Pinal Dave (http://blog.SQLAuthority.com) Filed under: SQL, SQL Authority, SQL Optimization, SQL Performance, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Setting up a DNS name server for a mass virtual host with Bind9

    - by Dez
    I am trying to set up a chrooted DNS name server in a local LAN like this everyone connected in the LAN can have access to the mass virtual hosts defined for a development ambience without having to edit manually their local /etc/hosts one by one. The mass virtual host is named example.user.dev (VirtualDocumentRoot /home/user/example ) and example.test (DocumentRoot /var/www/example). I set up everything and the /var/log/syslog doesn't show any error, but when checking the DNS with: host -v example.test Doesn't find the host. Also using the dig command I don't receive answer. dig -x example.test ; << DiG 9.5.1-P3 << -x imprimere ;; global options: printcmd ;; Got answer: ;; -HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47844 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;imprimere.in-addr.arpa. IN PTR ;; AUTHORITY SECTION: in-addr.arpa. 600 IN SOA a.root-servers.net. dns-ops.arin.net. 2010042604 1800 900 691200 10800 ;; Query time: 108 msec ;; SERVER: 80.58.0.33#53(80.58.0.33) ;; WHEN: Mon Apr 26 11:15:53 2010 ;; MSG SIZE rcvd: 107 My configuration is the following: /etc/bind/named.conf.local zone "example.test" { type master; allow-query { any; }; file "/etc/bind/zones/master_example.test"; notify yes; }; zone "1.168.192.in-addr.arpa" { type master; allow-query { any; }; file "/etc/bind/zones/master_1.168.192.in-addr.arpa"; notify yes; }; /etc/bind/named.conf.options Note: We have an static IP address so I forward the querys to DNS server to said IP address. options{ directory "/var/cache/bind"; forwarders { 80.34.100.160; }; auth-nxdomain no; listen-on-v6 { any; }; }; /etc/bind/zones/master_example.test $ORIGIN example.test. $TTL 86400 @ IN SOA example.test. root.example.test. ( 201004227 ; serial 28800 ; refresh 14400 ; retry 3600000 ; expire 86400 ) ; min ; TXT "example.test, DNS service" @ IN NS example.test. localhost A 127.0.0.1 example.test. A 192.168.1.52 example A 192.168.1.52 www CNAME example.test. /etc/hosts 127.0.0.1 localhost example 192.168.1.52 localhost example example.test /etc/resolv.conf Note: For Bind I just added the 3 last lines. nameserver 80.58.0.33 nameserver 80.58.61.250 nameserver 80.58.61.254 search example.test search example nameserver 192.168.1.52

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  • yui compressor maven plugin doesnt compress the js files

    - by hanumant
    I am using yui compressor to compress the js files in my web app. I have configured the plugin as indicated on yui maven plugin site yui compressor maven plugin. This is the pom plugin conf <plugin> <groupId>net.sf.alchim</groupId> <artifactId>yuicompressor-maven-plugin</artifactId> <version>0.7.1</version> <executions> <execution> <phase>compile</phase> <goals> <goal>jslint</goal> <goal>compress</goal> </goals> </execution> </executions> <configuration> <failOnWarning>true</failOnWarning> <nosuffix>true</nosuffix> <force>true</force> <aggregations> <aggregation> <!-- remove files after aggregation (default: false) --> <removeIncluded>false</removeIncluded> <!-- insert new line after each concatenation (default: false) --> <insertNewLine>false</insertNewLine> <output>${project.basedir}/${webcontent.dir}/js/compressedAll.js</output> <!-- files to include, path relative to output's directory or absolute path--> <!--inputDir>base directory for non absolute includes, default to parent dir of output</inputDir--> <includes> <include>**/autocomplete.js</include> <include>**/calendar.js</include> <include>**/dialogs.js</include> <include>**/download.js</include> <include>**/folding.js</include> <include>**/jquery-1.4.2.min.js</include> <include>**/jquery.bgiframe.min.js</include> <include>**/jquery.loadmask.js</include> <include>**/jquery.printelement-1.1.js</include> <include>**/jquery.tablesorter.mod.js</include> <include>**/jquery.tablesorter.pager.js</include> <include>**/jquery.dialogs.plugin.js</include> <include>**/jquery.ui.autocomplete.js</include> <include>**/jquery.validate.js</include> <include>**/jquery-ui-1.8.custom.min.js</include> <include>**/languageDropdown.js</include> <include>**/messages.js</include> <include>**/print.js</include> <include>**/tables.js</include> <include>**/tabs.js</include> <include>**/uwTooltip.js</include> </includes> <!-- files to exclude, path relative to output's directory--> </aggregation> </aggregations> </configuration> <dependencies> <dependency> <groupId>rhino</groupId> <artifactId>js</artifactId> <scope>compile</scope> <version>1.6R5</version> </dependency> <dependency> <groupId>org.apache.maven</groupId> <artifactId>maven-plugin-api</artifactId> <version>2.0.7</version> <scope>provided</scope> </dependency> <dependency> <groupId>org.apache.maven</groupId> <artifactId>maven-project</artifactId> <version>2.0.7</version> <scope>provided</scope> </dependency><dependency> <groupId>net.sf.retrotranslator</groupId> <artifactId>retrotranslator-runtime</artifactId> <version>1.2.9</version> <scope>runtime</scope> </dependency> </dependencies> </plugin> And here is the log at compress time These will use the artifact files already in the core ClassRealm instead, to allow them to be included in PluginDescriptor.getArtifacts(). [DEBUG] Configuring mojo 'net.sf.alchim:yuicompressor-maven-plugin:0.7.1:jslint' [DEBUG] (f) failOnWarning = true [DEBUG] (f) jswarn = true [DEBUG] (f) outputDirectory = C:\test\target\classes [DEBUG] (f) project = MavenProject: com.test.test1:test2:19-SNAPSHOT @ C:\test\pom.xml [DEBUG] (f) resources = [Resource {targetPath: null, filtering: false, FileSet {directory: C:\test\src, PatternSet [includes: {}, excludes: {**/*.class, **/*.java, site/*}]}}] [DEBUG] (f) sourceDirectory = C:\test\src\..\js [DEBUG] (f) warSourceDirectory = C:\test\src\main\webapp [DEBUG] (f) webappDirectory = C:\test\target\test2-19-SNAPSHOT [DEBUG] -- end configuration -- [INFO] [yuicompressor:jslint {execution: default}] [INFO] nb warnings: 0, nb errors: 0 [DEBUG] Configuring mojo 'net.sf.alchim:yuicompressor-maven-plugin:0.7.1:compress' -- [DEBUG] (f) removeIncluded = false [DEBUG] (f) insertNewLine = false [DEBUG] (f) output = C:\test\WebContent\js\compressedAll.js [DEBUG] (f) includes = [**/autocomplete.js, **/calendar.js, **/dialogs.js, **/download.js, **/folding.js, **/jquery-1.4.2.min.js, **/jquery.bgifram e.min.js, **/jquery.loadmask.js, **/jquery.printelement-1.1.js, **/jquery.tablesorter.mod.js, **/jquery.tablesorter.pager.js, **/jquery.dialogs.p lugin.js, **/jquery.ui.autocomplete.js, **/jquery.validate.js, **/jquery-ui-1.8.custom.min.js, **/languageDropdown.js, **/messages.js, **/print.js, * */tables.js, **/tabs.js, **/uwTooltip.js] [DEBUG] (f) aggregations = [net.sf.alchim.mojo.yuicompressor.Aggregation@65646564] [DEBUG] (f) disableOptimizations = false [DEBUG] (f) encoding = Cp1252 [DEBUG] (f) failOnWarning = true [DEBUG] (f) force = true [DEBUG] (f) gzip = false [DEBUG] (f) jswarn = true [DEBUG] (f) linebreakpos = 0 [DEBUG] (f) nomunge = false [DEBUG] (f) nosuffix = true [DEBUG] (f) outputDirectory = C:\test\target\classes [DEBUG] (f) preserveAllSemiColons = false [DEBUG] (f) project = MavenProject: com.test.test1:test2:19-SNAPSHOT @ C:\test\pom.xml [DEBUG] (f) resources = [Resource {targetPath: null, filtering: false, FileSet {directory: C:\test\src, PatternSet [includes: {}, excludes: {**/*.class, **/*.java, site/*}]}}] [DEBUG] (f) sourceDirectory = C:\test\src\..\js [DEBUG] (f) statistics = true [DEBUG] (f) suffix = -min [DEBUG] (f) warSourceDirectory = C:\test\src\main\webapp [DEBUG] (f) webappDirectory = C:\test\target\test2-19-SNAPSHOT [DEBUG] -- end configuration -- [INFO] [yuicompressor:compress {execution: default}] [INFO] generate aggregation : C:\test\WebContent\js\compressedAll.js [INFO] compressedAll.js (407505b) [INFO] nb warnings: 0, nb errors: 0 [DEBUG] Configuring mojo 'org.apache.maven.plugins:maven-resources-plugin:2.2:testResources' -- [DEBUG] (f) filters = [] [DEBUG] (f) outputDirectory = C:\test\target\test-classes [DEBUG] (f) project = MavenProject: com.test.test1:test2:19-SNAPSHOT @ C:\test\pom.xml [DEBUG] (f) resources = [Resource {targetPath: null, filtering: false, FileSet {directory: C:\test\test , PatternSet [includes: {}, excludes: {**/*.class, **/*.java}]}}] [DEBUG] -- end configuration -- The problem is the files are getting aggregated into one file but without compressing. The link above uses version 1.1 and the plugin version I am using is 0.7.1. Is this going to make any diff. Can someone tell what is wrong here. PS: I have obfuscated some text in log to follow the compliance in my firm. So you may find it mismatching somewhere.

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  • using return values from a c# .net made component build as com+

    - by YvesR
    Hello, so far I made a component in C# .NET 4 and use System.EnterpriseServices to make it COM visible. I want to develop business methods in C#, but I still need to access them from classic ASP (vbscript). So far so good, everything works fine (exept function overloading :)). Now I made a test class to get more expirience with return code. using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.EnterpriseServices; using System.Management; namespace iController { /// /// The tools class provides additional functions for general use in out of context to other classes of the iController. /// public class tools :ServicedComponent { #region publich methods public bool TestBoolean() { return true; } public string TestString() { return "this is a string"; } public int TestInteger() { return 32; } public double TestDouble() { return 32.32; } public float TestFloat() { float ret = 2 ^ 16; return ret; } public string[] TestArray() { string[] ret = {"0","1"}; return ret; } public int[][] TestJaggedArray() { int[][] jaggedArray = new int[3][]; jaggedArray[0] = new int[] { 1, 3, 5, 7, 9 }; jaggedArray[1] = new int[] { 0, 2, 4, 6 }; jaggedArray[2] = new int[] { 11, 22 }; return jaggedArray; } public Dictionary<string, string> TestDictionary() { Dictionary<string, string> ret = new Dictionary<string,string>(); ret.Add("test1","val1"); ret.Add("test2","val2"); return ret; } #endregion } } Then I just made a simple vbscript file to run it with cscript.exe for testing porpuse. Dim oTools : Set oTools = CreateObject("iController.tools") WScript.StdOut.WriteLine TypeName(oTools.TestBoolean()) & " - " & oTools.TestBoolean() WScript.StdOut.WriteLine TypeName(oTools.TestString()) & " - " & oTools.TestString() WScript.StdOut.WriteLine TypeName(oTools.TestInteger()) & " - " & oTools.TestInteger() WScript.StdOut.WriteLine TypeName(oTools.TestDouble()) & " - " & oTools.TestDouble() WScript.StdOut.WriteLine TypeName(oTools.TestFloat()) & " - " & oTools.TestFloat() test = oTools.TestArray() WScript.StdOut.WriteLine TypeName(test) WScript.StdOut.WriteLine UBound(test) For i = 0 To UBound(test) WScript.StdOut.WriteLine test(i) Next For Each item IN test WScript.StdOut.WriteLine item Next test = oTools.TestJaggedArray() WScript.StdOut.WriteLine TypeName(test) For Each item IN test WScript.StdOut.WriteLine test & " - " & test.Item(item) Next test = oTools.TestDictionary() WScript.StdOut.WriteLine TypeName(test) For Each item IN test WScript.StdOut.WriteLine test & " - " & test.Item(item) Next What works fine: string, int, foat, double When it comes to array, jaggedarray or dictionaries I get a type mismatch. VarType is 13 object for the dictionary e.g. but this dict seems to be different then the Scripting.Dictionary. I checked codeproject.com and stackoverflow all day and didn't find any hints exept some thread on stackoverflow where someone mentioned there is a need to created a IDispatch interface. So anyone ever had the same issue and can help me or give me some hints I can go on with?

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  • How to prevent mvn jetty:run from executing test phase?

    - by tputkonen
    We use MySQL in production, and Derby for unit tests. Our pom.xml copies Derby version of persistence.xml before tests, and replaces it with the MySQL version in prepare-package phase: <plugin> <artifactId>maven-antrun-plugin</artifactId> <version>1.3</version> <executions> <execution> <id>copy-test-persistence</id> <phase>process-test-resources</phase> <configuration> <tasks> <!--replace the "proper" persistence.xml with the "test" version--> <copy file="${project.build.testOutputDirectory}/META-INF/persistence.xml.test" tofile="${project.build.outputDirectory}/META-INF/persistence.xml" overwrite="true" verbose="true" failonerror="true" /> </tasks> </configuration> <goals> <goal>run</goal> </goals> </execution> <execution> <id>restore-persistence</id> <phase>prepare-package</phase> <configuration> <tasks> <!--restore the "proper" persistence.xml--> <copy file="${project.build.outputDirectory}/META-INF/persistence.xml.production" tofile="${project.build.outputDirectory}/META-INF/persistence.xml" overwrite="true" verbose="true" failonerror="true" /> </tasks> </configuration> <goals> <goal>run</goal> </goals> </execution> </executions> </plugin> The problem is, that if I execute mvn jetty:run it will execute the test persistence.xml file copy task before starting jetty. I want it to be run using the deployment version. How can I fix this?

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  • how to escape white space in bash loop list

    - by MCS
    I have a bash shell script that loops through all child directories (but not files) of a certain directory. The problem is that some of the directory names contain spaces. Here are the contents of my test directory: $ls -F test Baltimore/ Cherry Hill/ Edison/ New York City/ Philadelphia/ cities.txt And the code that loops through the directories: for f in `find test/* -type d`; do echo $f done Here's the output: test/Baltimore test/Cherry Hill test/Edison test/New York City test/Philadelphia Cherry Hill and New York City are treated as 2 or 3 separate entries. I tried quoting the filenames, like so: for f in `find test/* -type d | sed -e 's/^/\"/' | sed -e 's/$/\"/'`; do echo $f done but to no avail. There's got to be a simple way to do this. Any ideas? The answers below are great. But to make this more complicated - I don't always want to use the directories listed in my test directory. Sometimes I want to pass in the directory names as command-line parameters instead. I took Charles' suggestion of setting the IFS and came up with the following: dirlist="${@}" ( [[ -z "$dirlist" ]] && dirlist=`find test -mindepth 1 -type d` && IFS=$'\n' for d in $dirlist; do echo $d done ) and this works just fine unless there are spaces in the command line arguments (even if those arguments are quoted). For example, calling the script like this: test.sh "Cherry Hill" "New York City" produces the following output: Cherry Hill New York City Again, I know there must be a way to do this - I just don't know what it is...

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  • What are the use cases for closures/callback functions in Javascript?

    - by Christopher Altman
    I was listening to Crockford's talk on Javascript closures and am convinced of the benefit of information hiding, but I do not have a firm understanding of when to use callback functions. It is mostly a true statement that a person could accomplish the same functionality with or without callbacks. As someone who is writing code, what heuristics or cues should I keep in mind when determining when to use callbacks/closures? I am not looking for the blanket statement 'Closures make more secure code', rather a list of practical examples or rules of thumb for when callbacks are the right idea. Crockford's Presentation: http://www.yuiblog.com/blog/2010/04/08/video-crockonjs-5/

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