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  • Array index is not accessable because it is Friend

    - by user3738194
    I am getting and error when I bring my code into another project. In a blank project it works fine, I really have no idea how to get around it, here is the error Error 1 'System.Data.Index' is not accessible in this context because it is 'Friend'. Dim DataString As String = txtAdvancedCommand.Text ' Create an array containing from each letter in Textbox Dim charArray() As Char = DataString.ToCharArray For index = 0 To charArray.GetUpperBound(0) <-----ERROR on word index Try 'Now lets send the data If SerialPort.IsOpen Then SerialPort.Write(charArray(index) & vbCrLf) <-----ERROR on word index Else ConnectSerial() SerialPort.Write(charArray(index) & vbCrLf) <-----ERROR on word index End If Catch e As Exception txtLog.AppendText(e.Message & vbCrLf) End Try Next now the project I am bringing into has a DLL and I suspect it has something to do with it, I cannot get the source code to the DLL so is there another way around this?

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  • SQL Script to clear database tables.

    - by pencilslate
    I have a need to take backup of a SQL Server Db with tons of data in it and import into another environment for updating and testing. Since, i am not interested in the data, i just want to recreate the schema on my other server. There is an option called 'Generate Script', but is throwing errors running them on the target server. Curious, if anyone attempted to write a SQL script that would run through all the tables in the db and clear the rows, thereby i could just create the schema backup as .bak file and restore it into another server.

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  • Service for converting SWFs with ActionScript to Video (MPEG, AVI, or MOV)

    - by pcooley
    The SWF files generated by our application are a basic template that reference external resources (images, and textual data) that actionscript uses to fuel the display. Thus the SWF is responsible for the creative layout of the screen the flash player. It is the results of this actions script, images, and textual data that need to be converted to a video format. Is anyone familiar with an online service that would be able to convert such .swf files that our site generates to a video format (say .avi, .mpeg, .mov). Or an application? Note: A more common case might be the conversion of an embedded FLV to a video, but this is not our need

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  • ORM on which standards i can select?

    - by just_name
    Q: This question is about how can i figure or select the convenient ORM to my web application. when beginning a new web application,What are the criteria on which i can consider a specific ORM is better than another one for my project or case(web application)? another part of my question : when i begin any web application i use three layers: the DB layer (which contains the connections , and handle the CRUD operations ) the Managers layer(the Data Access Layer) a class for each table on my db (loosely coupled with the previous layer )it contains the CRUD operations for the specific table and the other required operations. the interface layer.. and i use Object Data source.Is that considered as an ORM (as a concept) or I'm wrong in understanding this concept. note:I still a beginner in this field ,, and every day i learn more about web development. please i want explanation and suggestions for this point. Thanks in advance.

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  • django form ModelChoiceField loads all state names while needed states which are mapped with current selected country

    - by Sonu
    I am using modelChoiceField to display country and state into address form class StateSelectionwidget(forms.Select): """ custom widget to state selection""" class Media: js = ('media/javascript/public/jquery-1.5.2.min.js', 'media/javascript/public/countrystateselection.js', ) class AddressForm(forms.Form): name = forms.CharField(max_length=30) country = forms.ModelChoiceField(queryset=[]) state = forms.ModelChoiceField(CountryState.objects, widget=StateSelectionwidget) def __init__(self, *args, **kwargs): super(AddressForm, self).__init__(*args, **kwargs) self.fields['country'].queryset = Country.objects.all() Country model is used to store country names. CountryState model is used to store all states which is foreign key to Country model At the time of form loading i am getting all state names in dropdown while i want field to be blank by default. If name field is empty at the time of form save i am getting error that name can not be empty but also getting all states into dropdown list while i want only the states which are mapped with current selected country.

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  • Design Stock Server Application in C++

    - by Avinash
    [Queston asked in ML Interview] Design an server/application which handle multiple incoming stock information ( stock symbol and values ) Server need to store the information in some cache ( need to design the data structure ), There are multiple client connected to server using tcp/ip socket. They will subscribe to particular request say stock symbol XYZ , and may be for more then one. As and when there is change the stock symbol server should broadcast the information to subscribed client. If tcp/ip write failed, server should handle the unregistration of the client. What various data structures will be used and how threading model will be ?

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  • Problem with detecting phone orientation change in Symbian/Qt

    - by trex279
    I want to do some custom processing when the orientation of the phone changes. I have re-implemented the resizeEvent(QResizeEvent*) virtual function in my class. The strange thing is, for the first one time when the phone orientation is changed, this function is actually called, and works fine. But all subsequent orientation changes, this function isn't even called? Why does this happen? Are there any other ways to detect phone orientation change? Thanks.

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  • How to refresh a fragment in a viewpager?

    - by aut_silvia
    I know there are already some questions to this problem. But I am really new in Android and ecspecially to Fragments and Viewpager. Pls have passion with me. I didn't found a answer which fits to my code. I dont know how to refresh a fragment or reload it when it's "active" again. TabsPagerAdapter.java: public class TabsPagerAdapter extends FragmentPagerAdapter{ public TabsPagerAdapter(FragmentManager fm){ super(fm); } @Override public Fragment getItem(int index) { switch (index) { case 0: return new KFZFragment(); case 1: return new LogFragment(); case 2: return new TrackFragment(); } return null; } @Override public int getCount() { // get item count - equal to number of tabs return 3; } } I have this 3 Fragments (KFZFragment,LogFragment,TrackFragment) and on the TrackFragment I calculate some data and this data should be display in a ListView in LogFragment. But when I change to LogFragment it's not the latest data. So it doesnt refresh. Now how should I modify my code to refresh the fragments when it's "active"? MainActivityFragment.java: public class MainActivityFragment extends FragmentActivity implements ActionBar.TabListener{ private ViewPager viewPager; private TabsPagerAdapter mAdapter; private ActionBar actionBar; List<Fragment> fragments; private String[] tabs = { "KFZ", "Fahrten Log", "Kosten Track" }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main_fragment); // Initilization viewPager = (ViewPager) findViewById(R.id.pager); actionBar = getActionBar(); mAdapter = new TabsPagerAdapter(getSupportFragmentManager()); fragments = new Vector<Fragment>(); fragments.add(Fragment.instantiate(this, KFZFragment.class.getName(),savedInstanceState)); fragments.add(Fragment.instantiate(this, LogFragment.class.getName(),savedInstanceState)); viewPager.setAdapter(mAdapter); actionBar.setHomeButtonEnabled(false); actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); // Adding Tabs for (String tab_name : tabs) { actionBar.addTab(actionBar.newTab().setText(tab_name) .setTabListener(this)); } viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() { @Override public void onPageSelected(int position) { // on changing the page // make respected tab selected actionBar.setSelectedNavigationItem(position); } @Override public void onPageScrolled(int arg0, float arg1, int arg2) { } @Override public void onPageScrollStateChanged(int arg0) { } }); } @Override public void onTabReselected(Tab tab, FragmentTransaction ft) { // TODO Auto-generated method stub } @Override public void onTabSelected(Tab tab, FragmentTransaction ft) { viewPager.setCurrentItem(tab.getPosition()); } @Override public void onTabUnselected(Tab tab, FragmentTransaction ft) { // TODO Auto-generated method stub } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { } return super.onKeyDown(keyCode, event); } } Pls help me out.

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  • Memory leak with ContextMenuStrip

    - by Dave
    I'm creating a lot of custom controls and adding them to a FlowLayoutPanel. There is also a ContextMenuStrip created and populated at design time. Every time a control is added to the panel it has its ContextMenuStrip property assigned to this menu, so that all controls "share" the same menu. But I noticed when the controls are removed from the panel and disposed of, the memory in use in Task Manager doesn't drop. It rises around 50kB every time a control is created and added to the layout panel. I downloaded the trial of .NET Memory Profiler and it showed there were references to the menu strip hanging around after the controls were disposed. I changed the code to explicitly set the ContextMenuStrip property to null before disposing of the control, and yep, the memory is now released. Why is this? Shouldn't the GC clean up this type of thing?

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  • Convert date from access to SQL Server with SSIS

    - by Arne
    Hi, I want to convert a database from access to SQL Server using SSIS. I cannot convert the date/time columns of the access db. SSIS says something like: conversion between DT_Date and DT_DBTIMESTAMP is not supported. (Its translated from my German version, might be different in English version). In Access I have Date/Time column, in SQL Server I have datetime. In the dataflow chart of the SSIS I have a OLE DB source for the access db, an sql server target and a data conversion. In the data conversion I convert the columns to date[DT_DATE]. They are connected like this: AccessDB -> conversion -> SQL DB What am I doing wrong? How can I convert the Access date columns to SQL Server date columns?

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  • R storing a complex search as a string

    - by Tahnoon Pasha
    Hi I'm working with a large data frame that I frequently need to subset in different combinations of variables. I'd like to be able to store the search in a string so I can just refer to the string when I want to see a subset. x = read.table(textConnection(" cat1 cat2 value A Z 1 A Y 2 A X 3 B N 2"),header=T,strip.white=T) search_string="cat1== 'A' & cat2=='Z'" with(x,subset(x,search)) doesn't work. What I'd be looking for is the result of a search similar to the one below. with(x,subset(x,cat1=='A' & cat2=='Z')) I'd prefer not to just create multiple subsetted data frames at the start if another solution exists. Is there a simple way to do what I'm trying?

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  • Ldap invalid credentials not loading authentication failure url

    - by Murari
    Able to do the custom ldap authentication for external db authorities. But when i am trying to test wrong password the authentication failure url is not showing instead my browser prints the exception details.Below is my securitycontext.xml and exption given <http auto-config="false" access-decision-manager-ref="accessDecisionManager" access-denied-page="/accessDenied.jsp"> <!-- Restrict access to ALL other pages --> <intercept-url pattern="/index.jsp" filters="none" /> <!-- Don't set any role restrictions on login.jsp --> <intercept-url pattern="/**" access="IS_AUTHENTICATED_ANONYMOUSLY" /> <intercept-url pattern="/service/**" access="PRIV_Report User, PRIV_305" /> <logout logout-success-url="/index.jsp" /> <form-login authentication-failure-url="/index.jsp?error=1" default-target-url="/home.jsp" /> <anonymous/> </http> <b:bean id="accessDecisionManager" class="org.springframework.security.vote.AffirmativeBased"> <b:property name="decisionVoters"> <b:list> <b:ref bean="roleVoter" /> <b:ref bean="authenticatedVoter" /> </b:list> </b:property> </b:bean> <b:bean id="roleVoter" class="org.springframework.security.vote.RoleVoter"> <b:property name="rolePrefix" value="PRIV_" /> </b:bean> <b:bean id="authenticatedVoter" class="org.springframework.security.vote.AuthenticatedVoter"> </b:bean> <b:bean id="contextSource" class="org.springframework.security.ldap.DefaultSpringSecurityContextSource"> <b:constructor-arg value="ldap://mydomain:389" /> </b:bean> <b:bean id="ldapTemplate" class="org.springframework.ldap.core.LdapTemplate"> <b:constructor-arg ref="contextSource" /> </b:bean> <b:bean id="ldapAuthenticationProvider" class="com.zo.sas.gwt.security.login.server.SASLdapAuthenticationProvider"> <b:property name="authenticator" ref="ldapAuthenticator" /> <custom-authentication-provider /> </b:bean> <b:bean id="ldapAuthenticator" class="com.zo.sas.gwt.security.login.server.SASAuthenticator"> <b:property name="contextSource" ref="contextSource" /> <b:property name="userDnPatterns"> <b:value>uid={0},OU=People</b:value> </b:property> </b:bean> and my exception logs..... org.springframework.ldap.AuthenticationException: [LDAP: error code 49 - Invalid Credentials]; nested exception is javax.naming.AuthenticationException: [LDAP: error code 49 - Invalid Credentials] org.springframework.ldap.support.LdapUtils.convertLdapException(LdapUtils.java:180) org.springframework.ldap.core.support.AbstractContextSource.createContext(AbstractContextSource.java:266) org.springframework.ldap.core.support.AbstractContextSource.getContext(AbstractContextSource.java:106) com.zo.sas.gwt.security.login.server.SASAuthenticator.authenticate(SASAuthenticator.java:55) com.zo.sas.gwt.security.login.server.SASLdapAuthenticationProvider.authenticate(SASLdapAuthenticationProvider.java:45) org.springframework.security.providers.ProviderManager.doAuthentication(ProviderManager.java:188) org.springframework.security.AbstractAuthenticationManager.authenticate(AbstractAuthenticationManager.java:46) org.springframework.security.ui.webapp.AuthenticationProcessingFilter.attemptAuthentication(AuthenticationProcessingFilter.java:82) org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp(AbstractProcessingFilter.java:258) org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) org.springframework.security.ui.logout.LogoutFilter.doFilterHttp(LogoutFilter.java:89) org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) org.springframework.security.context.HttpSessionContextIntegrationFilter.doFilterHttp(HttpSessionContextIntegrationFilter.java:235) org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) org.springframework.security.util.FilterChainProxy.doFilter(FilterChainProxy.java:175) org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:183) org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:138) This is my index.jsp <html> <script type="text/javascript" language="javascript"> var dictionary = { loginErr: "${SPRING_SECURITY_LAST_EXCEPTION.message}", error: "${param.error}" }; </script> <head> </head> <body > <iframe src="javascript:''" id="__gwt_historyFrame" style="width:0;height:0;border:0"></iframe> <script type="text/javascript" language="javascript" src="com.zo.sas.gwt.sasworkflow.home.Home.nocache.js"></script> </body> </html>

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  • RESTful application validation. Mix of frontend/backend validation. How?

    - by Julian Davchev
    Hi. Using RESTful for all backend persistance and operations. I just pass data from frontend (by frontend I don't mean clientside but the part that is making use of the REST) to rest and data gets back success or no with validation errors if any. Thing is I have stuff that should be validated on frontend too..like csrf tokens, captcha etc. Only reasonable way is I mix validation coming from token/captcha checks and validation errors coming back from REST. Issue with this will be kinda automation as I wouldn't want form field names to map 1:1 with backend field names use by the REST documents. Any pointers ideas are more than welcome.

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  • Global Import Aliasing in .NET

    - by Josh Stodola
    Using import aliasing in a single class, we can reference class library namespaces by assigning our own custom alias like this: Imports Db = Company.Lib.Data.Objects And then we are able to reference the classes inside of Company.Lib.Data.Objects by using the Db alias that we assigned. Is it possible to do this at the global level so that the alias is applied to the entire solution instead of the given file? Currently, we are working with web applications, so I was hoping we could add something to web.config, but I am also interested in whether or not this is possible with windows forms, console apps, and/or class libraries.

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  • What about the Sql transaction log

    - by Michel
    Hi, i always thought that the sql transaction log keeps track of all the transactions done in the database so it could help recovering the database file in case of a unexpected power down or something like that So then, in normal usage, when the data is committed and written to disk, it is cleared because all the data is nice and safe in the mdf file. Seeing the ldf file grow and reading some i understand that that is not the case, and it will keep growing, until: you shrink the log. Only at that point all the commited transactions are cleared and the log file is shrinked. I found some sp's who should do this, but also found the theory that you first have to backup the database? That last step doesn't make sense to me, so can anyone tell me of that is correct and if so, why that is?

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  • Question on ExtAudioFileRead and AudioBuffer for iPhone SDK

    - by backspacer
    I'm developing an iPhone app that uses the Extended Audio File Services. I try to use ExtAudioFileRead to read the audio file, and store the data in an AudioBufferList structure. AudioBufferList is defined as: struct AudioBufferList { UInt32 mNumberBuffers; AudioBuffer mBuffers[1]; }; typedef struct AudioBufferList AudioBufferList; and AudioBuffer is defined as struct AudioBuffer { UInt32 mNumberChannels; UInt32 mDataByteSize; void* mData; }; typedef struct AudioBuffer AudioBuffer; I want to manipulate the mData but I wonder what does the void* mean. Why is it void*? How can I decide what data type is actually stored in mData?

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  • wordpress path url in js script file

    - by Cam
    I added custom script wp_enqueue_script('functions', get_bloginfo('template_url') . '/js/functions.js', 'search', null, false); works great, except in the functions.js i have Reset.style.background = "url('../images/searchfield_clear.png') no-repeat top left"; now this used to work before, until changed to pretty permalinks and .htaccess the folder hierarchy is like: themename/js themename/images (the images and js folder are in themename folder) i tried ../images - ./image - /images normally it should go back 1 level where-ever the js file is located.... i dont want to use full path is there a other way that wordpress can recognize in the javascript file to have the correct path? currently i am just confused what i am doing wrong

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  • UITableView Edit Indentation

    - by Or.Ron
    Hi, I'm building a pretty simple UITable in my app with custom cells that I'v created. The target language is hebrew. thats why all my tabels are right to left. Everything works fine until I'm changing the table to Edit mode. I'v successfully canceled the delete and the red accessory button becuase thay are in the oppisite direction but the cell get this tiny indentation to the right and part of my cell is not showed. I tried the return NO; to the function (BOOL)tableView:(UITableView *)tableView shouldIndentWhileEditingRowAtIndexPath (NSIndexPath *)indexPath but it didn't work. any suggestions ? thanks in advance

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  • Indexing datetime in MySQL

    - by User1
    What is the best way to index a datetime in MySQL? Which method is faster: Store the datetime as a double (via unix timestamp) Store the datetime as a datetime The application generating the timestamp data can output either format. Unfortunately, datetime will be a key for this particular data structure so speed will matter. Also, is it possible to make an index on an expression? For example, index on UNIX_TIMESTAMP(mydate) where mydate is a field in a table and UNIX_TIMESTAMP is a mysql function. I know that Postgres can do it. I'm thinking there must be a way in mysql as well.

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  • dynamic 404.jsp using struts

    - by Kapsh
    I would like to display an intelligent 404 page with some application data. Currently, there is a 'dumb' jsp, so I just forward to the view and I am done with it. But now I guess I really need to forward to an action so that I can set some more data to display on the error.jsp. How do I do it through configuration via struts-config? I need congifuration because I do not want to touch any individual files that might be forwarding to the existing view. I tried doing the fol, but I get an error and I dont see anything in the log. So currently, <forward name="ErrorView" path="/Error404.jsp" type="org.apache.struts.action.ActionForward"> </forward> What I want: <forward name="ErrorView" path="/errorAction.do" type="org.apache.struts.action.ActionForward"> </forward>

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  • How does your team work together in a remote setup?

    - by Carl Rosenberger
    Hi, we are a distributed team working on the object database db4o. The way we work: We try to program in pairs only. We use Skype and VNC or SharedView to connect and work together. In our online Tuesday meeting every week (usually about 1 hour) we talk about the tasks done last week we create new pairs for the next week with a random generator so knowledge and friendship distribute evenly we set the priority for any new tasks or bugs that have come in each team picks the tasks it likes to do from the highest prioritized ones. From Tuesday to Wednesday we estimate tasks. We have a unit of work we call "Ideal Developer Session" (IDS), maybe 2 or 3 hours of working together as a pair. It's not perfectly well defined (because we know estimation always is inaccurate) but from our past shared experience we have a common sense of what an IDS is. If we can't estimate a task because it feels too long for a week we break it down into estimatable smaller tasks. During a short meeting on Wednesday we commit to a workload we feel is well doable in a week. We commit to complete. If a team runs out of committed tasks during the week, it can pick new ones from the prioritized queue we have in Jira. When we started working this way, some of us found that remote pair programming takes a lot of energy because you are so focussed. If you pair program for more than 5 or 6 hours per day, you get drained. On the other hand working like this has turned out to be very efficient. The knowledge about our codebase is evenly distributed and we have really learnt lots from eachother. I would be very interested to hear about the experiences from other teams working in a similar way. Things like: How often do you meet? Have you tried different sprint lengths (one week, two week, longer) ? Which tools do you use? Which issue tracker do you use? What do you do about time zone differences? How does it work for you to integrate new people into the team? How many hours do you usually work per week? How does your management interact with the way you are working? Do you get put on a waterfall with hard deadlines? What's your unit of work? What is your normal velocity? (units of work done per week) Programming work should be fun and for us it usually is great fun. I would be happy about any new ideas how to make it even more fun and/or more efficient.

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  • VisualSVN Server + Trac Authentication Problems

    - by danscott
    I have Trac set up on my VisualSVN server (using Subversion authentication), however every time I navigate to the Trac home page after opening the browser, I get the basic authentication dialog asking me for my username/password. What I would like to do is have a login form in Trac, which would allow me to log in forever using cookies. I have tried installing the AccountManagerPlugin, but I am completely unsure of how to correctly set it up. (I am used to working with IIS on corporate intranets, so this is kind of alien to me) I have managed to bypass the basic authentication dialog by setting this in my httpd-custom.conf: AuthName "Trac" AuthType Basic AuthBasicProvider file AuthUserFile "E:/Repositories/htpasswd" #Require valid-user I have tried using SvnServePasswordStore as my password store but I do not know which of the files in the repository directory to point it at. Help would be appreciated!

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  • How to Software Service Industry get their Client from or where do they look for their Clients ?

    - by Rachel
    This question is inclined more towards Business Side of Software Industry, I am sure that we have two types in Software Industry as with any other Industry, i.e, Service side and Product Side. Basically for Product based company, we are looking more into product features and to see if market if mature or not for particular product but as far as Service Based company goes (may be it can be big giants like Infosys, TCS or Sapient or some midsize or small companies which provide services like:Web Design,Website Design,Corporate Identity,Logo Design,Flash Design,Web Applications,Enterprise Portal,Rich Internet Applications,Business Applications,Technology Consulting,Ecommerce,Online Store Creations,Custom Shopping Carts,Ecommerce Hosting,Website Marketing,Organic SEO,Pay-Per-Click,Social Media Optimization,Mobile,Mobile Website and Mobile Applications) where do they look for Client and how do they manage to get one ? So my basic question is Where do Service Based Companies Look for Client or get their Clients Form ?

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  • jQuery 1.4.2 - Ajax & increasing IE 8 Process Handles

    - by mac866
    Hi, I'm requesting every second some data over $.ajax. $.ajax({ type: "POST", url: "ServiceEndpointUrl", data: "", success: function(result) { ... Do Work ... } } } } }); This code leads into an continuous growing number of handles in IE 8 (Windows 7 / verified with Task Manager & Process Explorer). Firefox & Chrome does not have this problem. This page is displayed all day long - this leads into thousands of handles & will sometimes crash the complete browser. My workaround is to reload the complete page every hour - but this can't be the solution ;-) Any suggestions how to "close" these Ajax-Handles? thx

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