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• What is the trick in pAddress & ~(PAGE_SIZE - 1) to get the page's start address

  - by Dbger

  Following function is used to get the page's start address of an address which in side this page: void* GetPageAddress(void* pAddress) { return (void*)((ULONG_PTR)pAddress & ~(PAGE_SIZE - 1)); } But I couldn't quite get to it, what is the trick it plays here?

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• Can I always force browser and provider caches to load new pages with a global setting?

  - by Mitch

  I have a handful of users on a server. After updating the site, they don't see the new pages. Is there a way to globally force their browsers and providers to display the new page? Maybe from settings.py? I see there are decorators that look like they do this on a function level.

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• Can a trait state if a C++ class has a default constructor?

  - by Vicente Botet Escriba

  Traits classes can be defined to check if a C++ class has a member variable, function or a type (see here). Curiously, the ConceptTraits do not include traits to check if a C++ class defines a default constructor or given constructor? Can traits be used to check the constructor presence? If yes, how? If not, why it is not possible?

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• How to submit the correct div elements (not the div that's hidden)?

  - by user356651

  Hello, I have the following code working fine but the problem is that it always submits the first div (article) even though it's hidden. My question is how do I submit the form and the elements in the form in the div that's shown? (if I select Music radiobutton, I want to submit the input elements of the Music Div not the Article div. Thanks. $(document).ready(function(){ $("input[name$='itemlist']").click(function() { var selection = $(this).val(); $("div.box").hide(); $("#"+selection).show(); }); }); <!--radio buttons--> <div id="articleselection"><input name="itemlist" type="radio" value="article" /> Article/Book </div> <div id="musicselection"><input name="itemlist" type="radio" value="music" /> Music</div> <!--article div starts--> <div id="article" class="box"> <table class="fieldgroup"> <tr><td>Journal Title: <input id="JournalTitle" name="JournalTitle" type="text" size="60" class="f-name" tabindex="1" value="JournalTitle"> </table> <table class="fieldgroup"> <tr><td>Article Author: <input id="ArticleAuthor" name="ArticleAuthor" type="text" size="40" class="f-name" tabindex="2" value="<"ArticleAuthor"></td></tr> </table> </div> <!--music div starts--> <div id="music" class="box"> <table class="fieldgroup"> <tr><td>Music Title: <input id="Music Title" name="Music Title" type="text" size="60" class="f-name" tabindex="1" value="Music Title"> </table> <table class="fieldgroup"> <tr><td> Music Author: <input id="MusicAuthor" name="Music Author" type="text" size="40" class="f-name" tabindex="2" value="<"MusicAuthor"></td></tr> </table> </div>

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• jQuery selector: this.parent, is there such a thing?

  - by Kyle Sevenoaks

  I have a lot of div boxes with nested div .titles, with a button inside. Is there a way in jQuery to select the parent of the button? Something like: $("#button").click(function(){ $("this.parent").css({'border-bottom' : 'none'}); }); Or am I going to have to rename all of my title classes to unique classes?

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• Fancybox - getting html from element based on id?

  - by kastru

  I have the following snippet; $("a.lightbox_image").each(function () { $(this).fancybox({ 'transitionIn': 'elastic', 'transitionOut': 'elastic', 'speedIn': 600, 'speedOut': 200, 'content': $('#lightbox_image_content_'+this.id.replace('lightbox_image_','')).html() }); }); But the above does not get the content from the element referenced to in the content property - what am i doing wrong?

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• How to calculate the cycles that change one permutation into another?

  - by fortran

  Hi, I'm looking for an algorithm that given two permutations of a sequence (e.g. [2, 3, 1, 4] and [4, 1, 3, 2]) calculates the cycles that are needed to convert the first into the second (for the example, [[0, 3], [1, 2]]). The link from mathworld says that Mathematica's ToCycle function does that, but sadly I don't have any Mathematica license at hand... I'd gladly receive any pointer to an implementation of the algorithm in any FOSS language or mathematics package. Thanks!

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• Moving image through different x,y coordinates

  - by user525004

  I have created an array of coordinates. The centre of an image should move through those coordinates. I have used TranslateAnimation to achieve it. But during the animation the image is moving within the last two coordinates. Below is my code: private void CreateAnimationAndRun() { // move to the different coordinates one by one for(int k=0; k The above function is called on a button click.

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• round() for float in C++

  - by Roddy

  I need a simple floating point rounding function, thus: double round(double); round(0.1) = 0 round(-0.1) = 0 round(-0.9) = -1 I can find ceil() and floor() in the math.h - but not round(). Is it present in the standard C++ library under another name, or is it missing??

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• How to get a random value from 1~N but excluding several specific values in PHP?

  - by Runner

  rand(1,N) but excluding array(a,b,c,..), is there already a built-in function that I don't know or do I have to implement it myself(how?) ?

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• Can I use C++ header files in kernel part of a CUDA code?

  - by Pooya

  I want to compare two strings in a kernel function. Can I use strcomp in file? Generally, can I use C++ libraries in my CUDA code?

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• How to emulate onLowMemory()?

  - by Samuh

  I have put some instructions in onLowMemory() callback and want to test the same. Is there a "direct" way to test onLowMemory function of the application subclass? Or will I have to just overload the phone by starting many apps and doing memory intensive tasks? Thanks.

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• php array key issue

  - by Fearghal

  Hi guys.. ok so i have the following array: 0 - 208533 1 - 208523 2 - 208522 3 - 208572 4 - 208518 5 - 208501 6 - 208534 7 - 208499 All i need is a quick function that'll start the array key at 1 rather than 0. eg: 1 - 208533 etc Any ideas? Thanks!

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• Accessing class variable with string name?

  - by coure06

  I have a class like this $.fn.dimeBar = function(custom) { var var1 = 'test1'; var var2 = 'test2'; if(sometest){ //how can i access var1 or var2 here by using string name of variables //some thing like alert(this['var1']) -- should alert: 'test1' } }

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• POST and redirect in Wordpress

  - by agh

  With Wordpress based function: $response = wp_remote_post() I can POST data and retrieve the body of the POST page in $response-body But how can I POST and redirect the user to the post page? It's not an option to create Form page and Submit button because I'm trying to create a plugin for Group buying plugin in Wordpress. It is also not an option to use GET, because the "destination" POST page will not allow data in the URL. Please help me !

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• input box gets cleared on refresh page : javascript

  - by p p

  Hi, I have a javascript function that writes the value of input box to a cookie, then it tells the page to refresh. The page must be refreshed to the server side can reconstruct the page based on the values of the cookies. Output the correct data on the page. However I do not want the user to lose the value they type on the input box unless they erase it. what can i do?

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• Including/Importing aliases and functions for both bash and zsh

  - by blueblank

  I have a directory of functions and aliases I'd like to include for both bash and zsh terminal invocations (So I don't need to put every function and alias into every separate script and to facilitate organization/tidying of .rc files) What I've tried so far hasn't worked. Just setting this out for further suggestions.

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• Jquery on new Window objects?

  - by Poku

  Hey, Is it possible to use jQuery on a new Window javascript object? Example: win = new Window(); jQuery(win).ready(function(){ do jQuery stuff on the new window here?? }); Is something like this possible?

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• Can I add a list of integers directly without looping through it?

  - by VJ

  I have a List of integers - List<int> intlist= new List<int>(); Can I just say - intlist.Sum();//I know sum() is already there as a function but I dont know how I can use it and get the sum of that list without looping through it.

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• Symfony: blank page after executing include_component()

  - by user248959

  Hi, i have this line: <?php include_component('sfGuardRegister', 'register') ?> when it's executed i get a blank page. I have debugged include_component() and the flow processing is not entering inside of it, i mean: function include_component($moduleName, $componentName, $vars = array()) { die("enter"); echo get_component($moduleName, $componentName, $vars); } Any idea?

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• jquery.ajax returns content-type "html" on iis while it returns content-type "json" on local host

  - by Sridhar

  Hi, I am using jQuery.ajax function to make an ajax call to a page method in asp.net. I specifically set the content-type to "application/json; charset=utf-8". When I looked at the response in the firebug it says the content-type is html. Following is the code to my ajax call $.ajax({ async: asyncVal, type: "POST", url: url + '/' + webMethod, data: dataPackage, contentType: "application/json; charset=UTF-8", dataType: "json", error: errorFunction, success: successFunction });

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• Count the number of li's in a ul after some of the li's have had .remove() on them?

  - by tarnfeld

  When you hit the delete button a nice effect is run on that li and it is removed by using jquery's .remove() function. For some reason if i try to .size() on the parent ul it just still says the number of list items that were there when the page loaded?

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• Difference between methods with and without generics

  - by isakavis

  Can someone help me understand advantages and disadvantages (if any) between the following methods which do the same function of storing away the entity to azure (in my case)? public bool Save<T>(string tableName, T entity) where T : TableEntityBase, new() { throw new NotImplementedException(); } vs public bool Save(string tableName, TableEntityBase entity) { throw new NotImplementedException(); }

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• Is there an equivalent of Mac OS X "open" command that can be called from C++/Objective-C code?

  - by phjr

  On Mac OS X there is a very useful "open" command which launches an application suitable for opened file type. Is there some C++/Objective-C function on Mac which does the same? Note: I know I could launch an "open" process. I'm just not sure if it's the best option.

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• can I hide the perticular column in jquery like this?

  - by kumar

  I am hiding the entire column in the grid like this? // $('#Grid tr th').each(function(column) { // if ($(this).is('#div.id')) { // hide(); // } // }); can I do like this? thanks

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