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  • Cloning an element and adding it to Dom multiple times

    - by Praveen Prasad
    //I am cloning a dom element and inserting it in dom element multiple times <div class='toBeCloned'>some text</div> <div id='target'></div> var _clone=$('.toBeCloned').clone(true);//create clone var _target=$('#target'); //this is target _target.append(_clone); //append target _target.append(_clone); //append target _target.append(_clone); //append target //this should add 3 elements but it's adding only one

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  • Free / Cached / Available memory on Linux

    - by pkoraca
    I have read that linux uses free memory for caching, to make system faster. However, both Nagios and Paessler PRTG monitoring system show me that my memory usage is critical. I could change Nagios mem_usage script to sum free and cached memory, but would that be correct information? I doubt that they misunderstood Linux memory usage. Lets say I have 8 GB RAM. 5 GB are used, 2 GB is cached, and I have 1 GB of free memory. Real available memory should be free+cached (3 GB)? If some new application would need additional 3 GB RAM, could it take everything from cache and free without using swap, or is there a minimum that should be in cache? Real example: $ cat /proc/meminfo MemTotal: 5984256 kB MemFree: 137052 kB Buffers: 140484 kB Cached: 3439616 kB SwapCached: 244 kB Active: 3148824 kB Inactive: 2341768 kB ... My monitoring tools show that I have 137 MB free RAM, however I have ~3,5 GB in Cache. Thanks!

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  • Efficiently remove points with same slope

    - by Ram
    Hi, In one of mine applications I am dealing with graphics objects. I am using open source GPC library to clip/merge two shapes. To improve accuracy I am sampling (adding multiple points between two edges) existing shapes. But before displaying back the merged shape I need to remove all the points between two edges. But I am not able to find an efficient algorithm that will remove all points between two edges which has same slope with minimum CPU utilization. Currently all points are of type PointF Any pointer on this will be a great help.

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  • i want to block my http port using .net application [closed]

    - by prasad
    I want to block port 80 in such a way that whenever user clicks on Internet Explorer the pop-up window should display to enter required information and once he enter's required information and if it is valid then and then only user will be able to access internet so anybody help me to create application in c#.net....................using C#.NET

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  • javascript object's - private methods: which way is better.

    - by Praveen Prasad
    (function () { function User() { //some properties } //private fn 1 User.prototype._aPrivateFn = function () { //private function defined just like a public function, //for convetion underscore character is added } //private function type 2 //a closure function _anotherPrivateFunction() { // do something } //public function User.prototype.APublicFunction = function () { //call private fn1 this._aPrivateFn(); //call private fn2 _anotherPrivateFunction(); } window.UserX = User; })(); //which of the two ways of defining private methods of a javascript object is better way, specially in sense of memory management and performance.

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  • Web apps or Desktop apps

    - by Ram
    If we compare Windows and Web applications against following criteria Insight of .NET and OS Design Patterns Logic development Development of a fresher into a good developer which one is better.

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  • Create folder for todays date on click of shortcut

    - by Ram
    Hi, I have a folder named as 2010. In this I want a folder for each month like "Jan10", "Feb10"....."Dec10" In each month folder I want to create folder for "Todays date" I have create a shortcut for that 2010 folder with Target as C:\WINDOWS\explorer.exe /n, /e, /select, F:\2010 I want a functionality that will execute when I click the shortcut for f:\2010 icon. Any pointer would be great help.

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  • Performance Bottleneck with Photoshop CS3 on XPSP3

    - by Doozer1979
    I have an intel core 2 4400, with 4GB of ram running on XP 32-BIT SP3. Photoshop CS3 becomes sluggish & unresponsive even after loading up small files, and this is with only Bridge open as well, plus McAffee AV. My photos are loaded in from a USB 2 external drive, and my c: drive is used only for programs and windows itself. Even with 4GB of RAM, i am seeing the pagefile increase to 1.6GB, whilst there appears to be 1.5GB of RAM free to use. I've defragged the drive, with defraggler, and after that the only file reported to be fragmented was the pagefile itself. Anyone have any ideas what i can do to improve/solve this?

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  • Converting rows to Columns in SQL

    - by Ram
    I have a table (actually a view, but simplified my example to a table) which gives me some data like this id CompanyName website 1 Google google.com 2 Google google.net 3 Google google.org 4 Google google.in 5 Google google.de 6 Microsoft Microsoft.com 7 Microsoft live.com 8 Microsoft bing.com 9 Microsoft hotmail.com I am looking to convert it to get a result like this CompanyName website1 website2 website3 website 4 website5 website6 ----------- ------------- ---------- ---------- ----------- --------- -------- Google google.com google.net google.org google.in google.de NULL Microsoft Microsoft.com live.com bing.com hotmail.com NULL NULL I have looked into pivot but looks like the record(row values) cannot be dynamic (i.e can only be certain predefined values). Also, if there are more than 6 websites, I want to limit it to the first 6 Dynamic pivot makes sense, but I would have to incorporate it into my view ?? Is there a simpler solution for this ? Here are the SQL scripts CREATE TABLE [dbo].[Company]( [id] [int] NULL, [CompanyName] [varchar](50) NULL, [website] [varchar](50) NULL ) ON [PRIMARY] GO insert into company values (1,'Google','google.com') insert into company values (2,'Google','google.net') insert into company values (3,'Google','google.org') insert into company values (4,'Google','google.in') insert into company values (5,'Google','google.de') insert into company values (6,'Microsoft','Microsoft.com') insert into company values (7,'Microsoft','live.com') insert into company values (8,'Microsoft','bing.com') insert into company values (9,'Microsoft','hotmail.com')

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  • How can I get the path separator in Perl?

    - by ram
    In case of Java, we can get the path separator using System.getProperty("path.separator"); Is there a similar way in Perl? All I want to do is to find a dir, immediate sub directory. Say I am being given two arguments $a and $b; I am splitting the first one based on the path separator and joining it again except the last fragment and comparing with the second argument. The problem is my code has to be generic and for that I need to know whats the system dependent path separator is?

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  • Timthumb 403 forbidden issue

    - by Nirmal Ram
    I am trying to use timthumb in one of my projects and it doesn't seem to be working and i searched all over and couldn't get the issue sorted. Here is the url of my site http://192[dot]185[dot]98[dot]213/~ancoradc/wp-content/themes/AncoraDC/timthumb.php?w=150&h=150&zc=1&src=http://192[dot]185[dot]98[dot]213/~ancoradc/wp-content/uploads/2013/06/fluke.jpg The file has 755 permission and cache is also 755 but i don't why this isn't working. Can anyone please advice me what could be wrong here ?

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  • Android : HTTP Post Issue

    - by Ram
    HttpClient client = new DefaultHttpClient(); String data = "valid SOAP REquest"; HttpPost httpPost = new HttpPost("valid url"); Log.d("inside", "created http post"); try { ByteArrayInputStream baos = new ByteArrayInputStream(data.getBytes()); Log.d("inside", "firing request..."); HttpResponse httpResponse = client.execute(httpPost); Log.d("inside", "request sent" + httpResponse.getStatusLine().getStatusCode()); Always, I get the status code as 405. I tried request queue as well.. sneding the byte array as part of the request queue, still the same issue.

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  • How to write an R function that evaluates an expression within a data-frame

    - by Prasad Chalasani
    Puzzle for the R cognoscenti: Say we have a data-frame: df <- data.frame( a = 1:5, b = 1:5 ) I know we can do things like with(df, a) to get a vector of results. But how do I write a function that takes an expression (such as a or a > 3) and does the same thing inside. I.e. I want to write a function fn that takes a data-frame and an expression as arguments and returns the result of evaluating the expression "within" the data-frame as an environment. Never mind that this sounds contrived (I could just use with as above), but this is just a simplified version of a more complex function I am writing. I tried several variants ( using eval, with, envir, substitute, local, etc) but none of them work. For example if I define fn like so: fn <- function(dat, expr) { eval(expr, envir = dat) } I get this error: > fn( df, a ) Error in eval(expr, envir = dat) : object 'a' not found Clearly I am missing something subtle about environments and evaluation. Is there a way to define such a function?

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  • How to handle Windows Events in JAVA

    - by prasad
    I'd like to ask another question how to handle Windows' events in Java. To be specific, I'd like to know how to handle events such as mouse moved or mouse clicked in Windows XP and Vista. I want to wire my own custom behavior in my application to these events, even when my application is inactive or otherwise hidden. All help is appreciated!

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  • live click event of an image is not supported in ie6

    - by Mohan Ram
    I am retriving this content from ajax <div id="content"> click on image to close<img id="img_id"> </div> jQuery code to close div: $("#img_id").live('click',function(){ $("#content").slideUp('fast'); }); Once I click on image div closes. But in IE6 nothing happens. I don't know why IE6 doesn't take live click event, or if the problem is with image id. Once image clicked (live click event not triggered in IE6) What would be the reason?

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  • How to retrieve the XML file which is under the project folder

    - by Vara Prasad.M
    I having an XML file and that file is under the Documents folder. If I actually give the entire path in C# then I am able to retrieve the XML values, but if I give the project path then it is not getting the values. For example: string fileNamePath=ConfigurationManager.AppSettings["XMLDocPath"].ToString() + fileName; m_xmld.Load(fileNamePath); It is throwing a runtime error.

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  • Issue with Usercontrol and Border Style

    - by Ram
    Hi, I have created a user control ( custom data grid view control). I have used the code specified at MSDN [site][1] [1]: http://support.microsoft.com/kb/316574 to set the border style . I am able to see the selected border style in designer. Like None, FixedSingle or Fixed3D. But when I set the border style to FixedSingle, the border does not appear at runtime. Do I need to draw it manually in the OnPaint method?

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  • Android : List View or SPinner

    - by Ram
    Team, I would like to know how to display a List View or SPinner using key and value pairs in Android platform. For example take Contacts Contact has id, First Name, LastName, i would like to display First Name and Last Name in the list view or in the spinner, id1, lastname1, firstname1 id2, lastname2, firstname2 id3, lastname3, firstname3 Once the user selected any value in the List view or spin list, I need to get the key value from the List view or spinner. How to do it? Any help or examples is greatly appreciated. Thanks, Ramesh

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  • [Concept] How does unlink() find the file to delete?

    - by Prasad
    My app has a 'Photo' field to store URL. It uses sfWidgetFormInputFileEditable for the widget schema. To delete the old image when a new image is uploaded, I use unlink before setting the value in the over-ridden setter and it works!!! if (file_exists($this->_get('photo'))) unlink($this->_get('photo')); Photos are stored in uploads/photos and when saving 'Photo' only the file name xxx-yyy.zzz is saved (and not the full path). However, I wish to know how symfony/php knows the full path of the file to be deleted? Part 2: I am using sfThumbnailPlugin to generate thumbnails. So the actual code looks like this: public function setPhoto($value) { if(!empty($value)) { Contact::generateThumbnail($value); // delete current Photo & create thumbnail $this->_set('photo',$value); // setting new value after deleting old one } } public function generateThumbnail($value) { $uploadDir = sfConfig::get('app_photo_upload'); // path to upload folder if (file_exists($this->_get('photo'))) { unlink($this->_get('photo')); // delete full-size image // path to thumbnail $thumbpath = $uploadDir.'/thumbnails/'.$this->get('photo'); // read a blog, tried setting dir manually, doesn't work :( //chdir('/thumbnails/'); // tried closing the file too, doesn't work! :( //fclose($thumbpath) or die("can't close file"); //unlink($this->_get('photo')); // doesn't work; no error :( unlink($thumbpath); // doesn't work, no error :( } $thumbnail = new sfThumbnail(150, 150); $thumbnail->loadFile($uploadDir.'/'.$value); $thumbnail->save($uploadDir.'/thumbnails/'.$value, 'image/png'); } Why can't the thumbnail be deleted using unlink()? is the sequence of ops incorrect? Is it because the old thumbnail is displayed in the sfWidgetFormInputFileEditable widget? I've spent hours trying to figure this out, but unable to nail down the real cause. Thanks in advance.

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  • using NEWSEQUENTIALID() with UPDATE Trigger

    - by Ram
    I am adding a new GUID/Uniqueidentifier column to my table. ALTER TABLE table_name ADD VersionNumber UNIQUEIDENTIFIER UNIQUE NOT NULL DEFAULT NEWSEQUENTIALID() GO And when ever a record is updated in the table, I would want to update this column "VersionNumber". So I create a new trigger CREATE TRIGGER [DBO].[TR_TABLE_NAMWE] ON [DBO].[TABLE_NAME] AFTER UPDATE AS BEGIN UPDATE TABLE_NAME SET VERSIONNUMBER=NEWSEQUENTIALID() FROM TABLE_NAME D JOIN INSERTED I ON D.ID=I.ID/* some ID which is used to join*/ END GO But just realized that NEWSEQUENTIALID() can only be used with CREATE TABLE or ALTER TABLE. I got this error The newsequentialid() built-in function can only be used in a DEFAULT expression for a column of type 'uniqueidentifier' in a CREATE TABLE or ALTER TABLE statement. It cannot be combined with other operators to form a complex scalar expression. Is there a workaround for this ? Edit1: Changing NEWSEQUENTIALID() to NEWID() in the trigger solves this, but I am indexing this column and using NEWID() would be sub-optimal

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