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  • How to define a predicate as a function argument

    - by devoured elysium
    I want to be able to write something as void Start(some condition that might evaluate to either true or false) { //function will only really start if the predicate evaluates to true } I'd guess it must be something of the form: void Start(Predicate predicate) { } How can I check inside my Start function whenever the predicate evaluated to true or false? Is my use of a predicate correct? Thanks

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  • javascript function

    - by user295189
    can someone explain what this function is doing var page = new Object(); page.testSearch.btnSearch.setState = function() { this.disable(!(page.testSearch.searchString.value.trim().length > 1)); } thanks

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  • How to return Current Object in a Static function in PHP

    - by streetparade
    I neet access to current object in a static method. Code: protected static $name; public static function name($modulename) { self::$name = $modulename; } public function __call($name, $arguments) { $me = new test(self::$name); return $me->$name($arguments); } I want to be able to call method log in Log class. Like this echo Mods::name("Log")->log("test"); How do i do that?

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  • C# function normal return value VS out or ref argument

    - by misha-r
    Hi People, I've got a method in c# that needs to return a very large array (or any other large data structure for that matter). Is there a performance gain in using a ref or out parameter instead of the standard return value? I.e. is there any performance or other gain in using void function(sometype input, ref largearray) over largearray function(sometype input) ? Thanks in advance!

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  • php date() function displaying wrong time

    - by ladaghini
    I'm building a site with wordpress, and when I use the date() function on an otherwise empty file, it shows the right date. However, if I use it in a file that includes other wordpress files, the time is displayed as GMT time, so the date is off. If anyone can figure out how I can use date function without interruption from the wordpress methods, I'd appreciated it.

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  • Run function in infinite loop

    - by zac
    I am creating a background color animation with jQuery and the color animation plugin http://plugins.jquery.com/project/color How do I have a function stay in a loop repeating itself each time it has finished running? I tried this but it did not work : function colorLoop(){ $("#window") .animate({ backgroundColor: "orange" }, 11000) .animate({ backgroundColor: "violet" }, 1000) .animate({ backgroundColor: "red" }, 1000, colorLoop); };

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  • Power function in prolog

    - by NHans
    Exactly what's the prolog definition for power function. I wrote this code and it give some errors I wanna know exact code for the power function. pow(X,0,1). pow(X,Y,Z):-Y1=Y-1,pow(X,Y1,Z1),Z1=Z*X. Anything wrong with this code?

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  • Can't get multiple panel plots with chartSeries function from quantod package in R

    - by Milktrader
    Jeff Ryan's quantmod package is an excellent contribution to the R finance world. I like to use chartSeries() function, but when I try to get it to display multiple panes simultaneously, it doesn't work. par(mfrow=c(2,2)) chartSeries (SPX) chartSeries (SPX, subset="2010") chartSeries (NDX) chartSeries (NDX, subset="2010") would normally return a four-panel graphic as it does with the plot() function but in the chartSeries example it runs through all instances one at a time without creating a single four-panel graphic.

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  • Calling JavaScript from function from CSS

    - by Qutbuddin Kamaal
    Hi, Is there any way that I can call my Java script function from css for ex here is style: .first-nav li a:hover, .first-nav li.hover a { margin:-3px 0 -1px; height:30px; position:relative; background:url(../images/nav-hover.jpg) no-repeat; } and what I want to call a JS function on anchor hover

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  • NewBie Question, jQuery: How can we implement if...else logic and call function

    - by Rachel
    I am new to jQuery and so don't mind this question if it sounds stupid but here is something that I am trying to do : I have 3 functions like: AddToCart Function which adds item to the shopping cart: //offer_id is the offer which we are trying to add to cart. addToCart: function(offer_id) { this.submit({action: 'add', 'offer_id': offer_id}, {'app_server_url': this.app_server_url}); }, RemoveFromCart which removes data from the cart //target is link clicked and event is the click event. removeFromCart: function(target, event) { this.uniqueElmt('cart_table').find('.sb_item_remove').unbind('click'); var offer_id = $(target).parent().find('.offer_id').html(); this.submit({action: 'remove', 'offer_id': offer_id, 'next_action': this.config.current_action}, {'app_server_url': this.app_server_url}); }, Get the current state of the cart //return string which represents current state of cart. getCartItems: function() { return this.contents; } Now I am trying to do 3 things: if there is no content in cart and addToCart is called than some action, so basically here we need to check the current state of cart and that is obtained by calling getCartItems and if it is Null and than if addToCart is called than we perform some action if there is content in the cart and addToCart is called than some action,so basically here we need to check the current state of cart and that is obtained by calling getCartItems and check if it is Null or not and than if addToCart is called than we perform some action if we had some content in the cart. if there is content in the cart and removeFromCart is called some action, so basically here we need to check the current state of cart and that is obtained by calling getCartItems and if it is not Null and if removeFromCart is called than we perform some action Pseudocode of what I am trying to do: if there is no content in cart and addToCart is called than $(document).track( { 'module' : 'Omniture', 'event' : 'instant', 'args' : { 'linkTrackVars' : 'products,events', 'linkTrackEvents' : 'scAdd,scOpen', 'linkType' : 'o', 'linkName' : 'Cart : First Product Added' // could be blank, but can include event name as added feature 'svalues' : { 'products' : ';OFFERID1[,;OFFERID2]', 'events' : 'scAdd,scOpen', }, } 'defer' : '0' } ); if there is content in the cart and addToCart is called than $(document).track( { 'module' : 'Omniture', 'event' : 'instant', 'args' : { 'linkTrackVars' : 'products,events', 'linkTrackEvents' : 'scAdd', 'linkType' : 'o', 'linkName' : 'Cart : Product Added' // could be blank, but can include event name as added feature 'svalues' : { 'products' : ';OFFERID1[,;OFFERID2]', 'events' : 'scAdd', }, }, 'defer' : '0' } ); if there is content in the cart and removeFromCart is called $(document).track( { 'module' : 'Omniture', 'event' : 'instant', 'args' : { 'linkTrackVars' : 'products,events', 'linkTrackEvents' : 'scRemove', 'linkType' : 'o', 'linkName' : 'Cart : Product Removed' // could be blank, but can include event name as added feature 'svalues' : { 'products' : ';OFFERID1[,;OFFERID2]', 'events' : 'scRemove', }, } 'defer' : '0' } ); My basic concern is that am complete newbie to jQuery and JavaScript and so am not sure how can I implement if...else logic and how can I call a funtion using jQuery/JavaScript.

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  • Understanding this matrix transposition function in Haskell

    - by dmindreader
    This matrix transposition function works, but I'm trying to understand its step by step execurtion and I don't get it. transpose:: [[a]]->[[a]] transpose ([]:_) = [] transpose x = (map head x) : transpose (map tail x) with transpose [[1,2,3],[4,5,6],[7,8,9]] it returns: [[1,4,7],[2,5,8],[3,6,9]] I don't get how the concatenation operator is working with map. It is concatenating each head of x in the same function call? How?

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  • To get which function throwed exception in javascript

    - by uzay95
    I am trying to create a Exception class to get and send errors from client to server. I want to catch exception in javascript function and push the details to the web service to write to database. But i couldn't get how to get which function/line throwed this exception. Is there any way to solve this?

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  • Need for prefixing a function with (void)...

    - by puffadder
    Hi All, I recently came across a rather unusual coding convention wherein the call for a function returning "void" is prefixed with (void). e.g. (void) MyFunction(); Is it any different from the function call like: MyFunction(); Has it got any advantage or is it yet another needless but there coding convention of some sort?

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  • Pivot function in sql server 2008

    - by Ranjana
    how to carry out the pivot function i have a table with datas Day Period subject fromtime totime Monday 1st English 9:30 10:15 Monday 1st English 9:30 10:15 Monday 5th English 1:30 2:20 Monday 8th English 3:40 4:30 but i need the format as day period(1st) 2nd 3rd...... 5th... 8th Monday 1st nill nill 5th 8th english english english Tuesday ....... In this way. How to Perform the pivot function to get in this format. Please help me out........

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  • vim adding new function names for project's API

    - by Flavius
    Hi How can I add new function names for .c and .h files to be highlighted, similar to this http://stackoverflow.com/questions/2464593/custumizing-syntax-highlighting-in-vim but much easier? (as I don't need to color words in different colors, only in the default color for keywords as defined by my theme). I need this to add highlighting for function names in a project written in C which has a clearly defined API. Thanks

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  • Linq Aggregate function

    - by Nyla Pareska
    I have a List like "test", "bla", "something", "else" But when I use the Aggrate on it and in the mean time call a function it seems to me that after 2 'iterations' the result of the first gets passed in? I am using it like : myList.Aggregate((current, next) => someMethod(current) + ", "+ someMethod(next)); and while I put a breakpoint in the someMethod function where some transformation on the information in the myList occurs, I notice that after the 3rd call I get a result from a former transformation as input paramter.

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  • calling a function in a click event

    - by KATy
    hi, i ve data in d sql DB using those values i ve to call a function in the system.. data in sql location of func:c:\ namespace:calci class name:arith function name:add parameter 1: 1 parameter 2: 2 now we ve use the values c:\,calci,arith,add,1,2 using this we ve to calculate the result.. thanx..

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  • Rewrite SQL Fulltext Function to return Table only

    - by Alex
    I have a MS SQL Fulltext Function like this: (...) RETURNS TABLE AS RETURN SELECT * FROM fishes INNER JOIN CONTAINSTABLE(fishes, *, @keywords, @limit) AS KEY_TBL ON fishes.id = KEY_TBL.[KEY] When I use this function in LINQ, it generates a special return type which includes all fields of my "fishes" table, plus Key and Rank. How could I rewrite above query, or change something in LINQ, to omit Key and Rank and just return my "fishes" results (and to have the fulltext search result objects be of type Fish, which is what I really care about, so I don't have to cast)?

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