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• Starting a C++ project. Should I worry about freeing dynamic allocated memory?

  - by Luca Matteis

  I am pretty proficient with C, and freeing memory in C is a must. However, I'm starting a new C++ project, and I've heard some things about how you don't need to free memory using shared pointers and other things. Where should I read about this? Is this a valuable replacement for proper delete C++ functionality? How does it work?

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• CSS Ease-in-out to full screen

  - by Aditya Singh

  I have a black background div of a size which contains an image. <div id="Banner"> <img onclick="expand();" src="hola.jpg"> </div> #Banner { position:relative; height:50px; width:50px; margin:0 auto; background-color:#000000; -webkit-transition: all 0.5s ease-in-out 0.5s; -moz-transition: all…

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• What is the fastest search which can be done on a non-sorted array?

  - by Jay

  How to search fast in a non-sorted array? I am unable to think of any other search mechanism apart from linear search. Any pointers will be helpful.

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• Perform selector on paren NSOperation

  - by user326943

  I extend NSOperation (call it A) which contains NSOperationQueue for other NSOperations (which is another extended class different from A, call these operations B). When operation A is running (executing B operations) how do i call a specific function/method on operation A when certain event takes place on B operations? For example every operation…

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• controlling PDF inside safari using javascript

  - by neeks

  Please help about controlling PDFs through JavaScript loaded inside Safari. Safari uses a PDF plugin of its own something exclusive to Safari and not present in other webkit based browsers like Chrome. Any of the or js commands that would work with the Adobe's plugin don't seem to work. Any help / pointers would be appreciated.

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• BizTalk mapping to excel

  - by rsapru

  Is there a way to convert or get the mapping from BizTalk map to an excel or a text file. From where we can directly see what field is mapped to what filed instead of following the lines. I have an BizTalk map which had around 600 fields mapped. any pointers will be really helpful.

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• CS Majors: Hardest concept(s) you learned in school?

  - by Mark Lubin

  For the CS majors out there what were the hardest CS classes or concepts that you learned in your undergraduate schooling? Did you find once you learned the basics,(data structs, OOP fundamentals, discrete math, pointers, recursion, etc) the rest followed naturally or did you hit a wall at any point in your higher classes like OS'es and…

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• event .split() no response

  - by klox

  i've been modified the code like below function addtext() { var barCode = this.(text); $("#model").change(function() { barCode = $this.val(); var data = barCode.split(""); $("#model").val(data[0]); $("#serial").val(data[1]); }); }; but..still not separate..please help.

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• In python beyond 'exec string' is there a way to 'import' using the db as a filesystem

  - by molicule

  Although it does not seem possible, I wanted to put this out there to see if others had some innovative solutions to 'dynamically loading and executing code in python' So if one saved code in a database, one could read it and 'exec it', however if one wanted to use it in a similar fashion to the filesystem, one would need to 'save…

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• Using jQuery to perform a GET request and using the resulting data

  - by Filip Ekberg

  I have a page, let's call it "callme.html" which only has this content: abc Now I want to fire the following: $.get("callme.html", function (data) { alert(data); }, "text"); I am using jQuery 1.4.2 mini and the page is called but the alert is empty. Any ideas why? I'd like the popup to contain abc I've also tried…

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• 'EXC_BAD_ACCESS' When trying to access a variable?

  - by Nick Brooks

  I get an 'EXC_BAD_ACCESS' error when trying to access variable in a function other than the one it was set in: NSLog(@"Commening search (%@)",sessionID); // This causes it The variable is set in the 'awakeFromNib' function: //Retrieve Session-ID sessionID = [self getSessionID]; The variable itself is defined in the header: …

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• Selecting a JQuery Tab using a parameter in the URL

  - by djsnowsill

  I am currently investigating replacing the tabs provided by a Struts 1 tag library with the tabs provided by jQuery UI. I have successfully managed to get the tabs integrated with the existing application but I am struggling on how to set the selected tab using a parameter on the incoming URL i.e.…

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• changing "enabled" value of a button during runtime in flex

  - by ruchir patwa

  i want to make a button disabled if a datagrid is empty and it should be enabled when there is atleast 1 entry.the entries in the grid are made at runtime.I tried this this is the button: <mx:Button id="update" label="Update Contact" enabled="{isButtonEnabled()}"/> and the function is…

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• How to implement tail calls in a custom VM

  - by DeadMG

  How can I implement tail calls in a custom virtual machine? I know that I need to pop off the original function's local stack, then it's arguments, then push on the new arguments. But, if I pop off the function's local stack, how am I supposed to push on the new arguments? They've just been…

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• posting php code using jquery .html()

  - by Emmanuel Imwene

  simple query,but it's giving me a headache, i need a division to be updated with a changed session variable each time a user clicks on a name,i figured i'd use .html() using jquery to update the division, i don't know if you can do this, but here goes: $("#inner").html('<?php…

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• How to open file and Directory in QT

  - by sijith

  Hi, I want to open Directory and file using the same function. Is it possible to do the same in QT. I used QString directory = QFileDialog::getExistingDirectory(this, tr("Open Directory"), "", QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks); Here…

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• Can XCode draw the call graph of a program?

  - by Werner

  Hi, I am new to Mac OSX, and I wonder if Xcode can generate , for a given C++ source code, the call graph of the program in a visual way. I also wonder if for each function, and after a run, whether it can also print the %time spent on the function If so, I would thank really…

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• how to pass arguments to windows services in c#?

  - by eurekha_ananth

  I just want to know how to pass arguments to windows services . The problem is , i am developed a windows application and then called it from Onstart() method . Now , i want to call the particular function from another project . protected override void OnStart(string[] args) …

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• what is the object "sqlconnection.BeginTransaction" useful for?

  - by vo-dang295

  when i connect to database by ado.net. As for sqlconnection object, it has a function:BeginTransaction with 3overload. I dont know how to use it and what's its function for? Help me plz!

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• Backbone View: Inherit and extend events from parent

  - by brent

  Backbone's documentation states: The events property may also be defined as a function that returns an events hash, to make it easier to programmatically define your events, as well as inherit them from parent views. How do you inherit a parent's view events and extend…

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• Jquery click event

  - by ram

  This is my code $(document).ready(function () { $("#Button1").click(showDialog); }); var showDialog = function () { /* Something I do here */ } Here the "Button1" click event fire at first time, after that the event was not firing. Thanks, Ram

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• How to use ajax with prototype and jsps

  - by kevinb92

  I'm developing social faq solution. When I click on vote up or vote down, i want to make an ajax call to a java function. I've worked with struts on another project, and i was making call to struts action. Now I work only with simple jsp, servlets ... and I dont know how…

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• Jquery Autocomplete after space press

  - by Limpep

  I am having an issue with my auto-complete feature such as when a user presses the space button the auto-complete doesn't show up again. Here is my code script type="text/javascript"> function lookup(inputString) { if(inputString.length == 0) { // Hide the…

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• Why doesn't my javascript work after AJAX filling the HTML?

  - by alex

  $.ajax({ method:"get", url:"/details/", data:"id="+id, beforeSend:function(){ }, success:function(html){ $("#holder").html(html); } }); After I fill a div with a HTML from an AJAX call, this is my javascript at the top of /details/ …

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• what are LPARAM and WPARAM defined as

  - by Mark Heath

  I know I'm being lazy here and I should trawl the header files for myself, but what are the actual types for LPARAM and WPARAM parameters? Are they pointers, or four byte ints? I'm doing some C# interop code and want to be sure I get it working on x64 systems.

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