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  • How to disable the delete button using if condition in Extjs

    - by sample
    How to disable the delete button using if condition in Extjs for ex;i want to disable the button if it satifies the given if condition else remain enabled. if(validAction(entityHash.get('entity.xyz'),actionHash.get('action.delete'))) This is the grid Delete button code. Ext.reg("gridheaderbar-inActive", Ad.GridInActiveButton,{ xtype: 'tbspacer', width: 5 }); Ad.GridCampDeleteButton = Ext.extend(Ext.Toolbar.Button, { //text: 'Delete', cls: 'ad-img-button', width:61, height:40, iconCls: 'ad-btn-icon', icon: '/webapp/resources/images/btn_del.png', handler:function(){ statusChange(this.parentBar.parentGrid, 'Delete') } });

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  • Sub Language C#

    - by j-t-s
    Hi All I was just wondering, is it at all possible to create sort of like a "Sub-language" in C# OR C++? or would a better term be "Extension"? And can somebody please provide links/resources? Much appreciated! :) thanks jason

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  • is there a way to inject privileged methods after an object is constructed?

    - by patrickgamer
    I'm trying to write fully automated unit tests in JavaScript and I'm looking for a way to read some private variables in various JS functions. I thought I recalled a way to inject privileged members into a function/object (and found an overwhelming occurrence of "no such thing as private in JS") and yet I can't find any resources indicating how. I'm trying to read through the properties of .prototype but if there's a way, someone out here would know where to direct me faster than I'd find on my own. Thanks

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  • Guidance for Workflow type applications

    - by UpTheCreek
    Hi, I'm looking for best practices and resources regarding design of workflow based applications. E.g.Best practice/guidance for: How best to represent business object 'states' (position in workflow) How to approach logging of transition between workflow states State transition rules I'm using .NET, but am rather looking for general guidance I'm sorry that this is a bit general, I'm just hoping some people will have some experiences to share.

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  • Best approach to developing a cross-browser javascript widget that populates from a MySQL database?

    - by MindSculpt
    I'm currently researching the best way to approach building a javascript widget someone can embed on their site, which would retrieve and display information from an external MySQL database. The gist of the widget would mimic the needs/functionality of Twitter's widget (http://twitter.com/about/resources/widgets), where it uses some combination of JS, PHP and/or AJAX and retrieves information from a MySQL DB with secure (or at least somewhat safe) cross-browser access. Thoughts or ideas on the best and most reliable way to approach something like this?

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  • Algorithms after load-balancer?

    - by Vimvq1987
    I need to study about load-balancers, such as Network Load Balancing, Linux Virtual Server, HAProxy,...There're somethings under-the-hood I need to know: What algorithms/technologies are used in these load-balancers? Which is the most popular? most effective? I expect that these algorithms/technologies will not be too complicated. Are there some resources written about them? Thank you very much for your help.

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  • How can two instances of an application communicate in Java?

    - by shubhkarman
    Hello, I am developing a new Java Desktop app. Something like a media player. I want to load most of the resources in the background when the computer starts up. But the users can turn this option off form within the app or using some other utility. So, what I want to do is if a ban instance of the app is already running and the user starts the app again then I can communicate with the already running instance so that it can launch a new window?

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  • rspec nested ( has many resource ) no route found error

    - by Surya
    My calendar resource is a nested resource under profile map.resources :profiles, :has_many=>[:calendar] I am trying to write a rspec spec for calendarcontroller it "should use supplied date" do get :show , :month = '09' , :year = '2010' end But i get an error stating No route matches {:month="09", :year="2010", :controller="calendar", :action="show"} Any idea how i could get around this ?

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  • Nginx as reverse proxy: how to properly configure gateway timeout?

    - by user1281376
    We have configured Nginx as a reverse proxy to an Apache server farm, but I'm running into trouble with the gateway timeouts. Our Goal in human readable form is: "Deliver a request within one second, but if it really takes longer, deliver anyway", which for me translates into "Try the first Apache server in upstream for max 500ms. If we get a timeout / an error, try the next one and so on until we finally succeed." Now our relevant configuration is this: location @proxy { proxy_pass http://apache$request_uri; proxy_connect_timeout 1s; proxy_read_timeout 2s; } [...] upstream apache { server 127.0.0.1:8001 max_fails=1 fail_timeout=10s; server 10.1.x.x:8001 max_fails=1 fail_timeout=10s backup; server 10.1.x.x:8001 max_fails=1 fail_timeout=10s backup; server 10.1.x.x:8001 max_fails=1 fail_timeout=10s backup; } The problem here is that nginx seems to misunderstand this as "Try to get a response from the whole upstream cluster within one second and deliver a 50X error if we don't - without any limit on how long to try any upstream server", which is obviously not what we had in mind. Is there any way to get nginx to do what we want?

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  • Writing module to get video/audio from HDMI

    - by Martin
    I would like to write a small module that can check if anything is connected to my computer's HDMI input, and if so write a frame of video to bitmap once in a while. Can anyone point me to resources regarding grabbing audio/video from HDMI on windows?

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  • SQL Reporting Services 2005 - Date field based on a user entered date?

    - by Pierce
    Hi, I have a report in report services 2005 that has two date fields. The problem is that if users run this for a large section of time it uses too much resources on our server. It is possible to only allow the end user to enter the start date and then the end date be auto populated/derived from this field (for example they enter the 1st of a month and this automatically change the end date to the last of a month.)

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  • Should I implement IDisposable here?

    - by dotnetdev
    My method which calls SQL Server returns a datareader but because of what I need to do (return the datareader to the calling method which is in page code-behind), I can't close the connection in the class of the method which calls sql server, so I have no finally or using blocks. Is the correct way of disposing resources to make the class implement IDisposable? Or from the caller, explicitly dispose the unmanged resource (class-level fields)? Thanks

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  • Need to write a daemon in linux, not sure what to use C++ or C

    - by Bluescrod
    Hello everyone, I have a little problem picking the right language to write my daemon, I am confused between C and C++, I want to use C++ because it is more expanded than C, but I want to use C because it is the starting point of everything in linux, I want to go for C++ as I have many resources about it, so, does it make any difference if I pick C++ instead of C? and what I will have good if I learn C more? I feel like if I go into C++ I will cover C within C++... Regards

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