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• How to call a javascript function of parent window when child is closed?

  - by biluriuday

  Hello All, I am creating a pop up window. After I am finished with the work on child(pop up) window and click close button, i need to call a javascript function of the parent window. How can I achieve this. I am not creating the child window myself but displaying the contents of some other url.

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• Is it possible to specify a function with both extern and override modifiers?

  - by Jeffrey Greenham

  I'm trying to override the behavior of an external function in user32.dll because I don't want a certain window to show up. What I'm trying to do is this: [DllImport("user32.dll")] public extern override IntPtr GetSystemMenu(IntPtr hMenu, bool bRevert) { return new IntPtr(); } but this won't work because I get the following errors: ... no suitable method found to override and ... cannot be extern and declare a body Is there any way to simulate what I'm trying to do?

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• how to invoke a function written in one user control from another user control?

  - by aparnakarthik

  I have two user controls I have some functions written on those two controls. Is it possible to invoke a function written on one user control from another user control. Pls provide the code for this.

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• speed of map() vs. list comprehension vs. numpy vectorized function in python

  - by mcstrother

  I have a function foo(i) that takes an integer and takes a significant amount of time to execute. Will there be a significant performance difference between any of the following ways of initializing 'a': a = [foo(i) for i in xrange(100)] , a = map(foo, range(100)) , and vfoo = numpy.vectorize(foo) vfoo(range(100)) ? (I don't care whether the output is a list or a numpy array). Is there some other better way of doing this? Thanks.

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• Is there something like the PHP function nl2br() for ASP.NET MVC?

  - by myotherme

  Is there stock standard function that does newline to <br /> encoding in ASP.Net MVC?

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• Standard library function in R for finding the mode?

  - by Nick

  In statistical language R, mean() and median() are standard functions which do what you'd expect. mode() tells you the internal storage mode of the R object, not the value that occurs the most in its argument. But surely there is a standard library function that implements mode for a vector (or list).

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• How many additional function calls does fib(n) require if "LINE 3" is removed?

  - by BROCK

  I just got this question on a interview and had no idea how to calculate the answer. How many additional function calls does fib(n) require if "LINE 3" is removed? The answer should be in terms on n. int fib(int n) { if(n == 0) return 0; if(n == 1) return 1; if(n == 2) return 1; //LINE 3 HERE <--- return fib(n - 1) + fib(n - 2); }

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• Is there a way to set a handler function for when a set of events has happened in JavaScript?

  - by allyourcode

  eg I have two concurrent AJAX requests, and I need the result from both to compute a third result. I'm using the Prototype library, so it might look something like this: var r1 = new Ajax.Request(url1, ...); var r2 = new Ajax.Request(url2, ...); function on_both_requests_complete(resp1, resp2) { ... } One way would be to use polling, but I'm thinking there must be a better way.

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• how to return NULL for double function with Intel C compiler?

  - by Derek

  I have some code that I am porting from an SGI system using the MIPS compiler. It has functions that are declared to have double return type. If the function can't find the right double, those functions return "NULL" The intel C compiler does not like this, but I was trying to see if there is a compiler option to enable this "feature" so that I can compile without changing code. I checked the man page, and can't seem to find it. Thanks

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• 1-which is the parameter that is added to every non-static member function when it is called?

  - by user308387

  1-which is the parameter that is added to every non-static member function when it is called? 2-what is an adaptor class or wrapper class? 3-what is a non object when can you tell that a memory leak will occur? 4-what is a parameterized type?

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• How to add a cross-browser mouse wheel function to a div in javascript?

  - by Shaunwithanau

  I am trying to stop the default mouse wheel event that is called on the window and on a div and call my own function instead on the div. I need this to be cross-browser (without the use of a library. I know I need to use an eventListener and I think have to use both onmousewheel and DOMMouseScroll (for FF) but I think am getting caught up in the implementation somewhere. I appreciate any and all help.

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• Making a function for selecting from MySQL, how is mine?

  - by Doug

  This is my first time. I will appreciate any thoughts, tips, and what not. How can I improve this? Ultimately, I don't want so many selects in my script. function mysqlSelectCodes($table, $where, $order, $limit) { $sql = "SELECT * FROM $table WHERE $where ORDER BY $order LIMIT $limit" or die(mysql_error()); }

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• Why does this anonymous function starting with println result in a NullPointerException?

  - by noahz

  I am learning about pmap and wrote the following function: (pmap #((println "hello from " (-> (Thread/currentThread) .getName)) (+ %1 %2)) [1 1 1] [-1 -1 -1]) When run, the result is a NullPointerException (hello from clojure-agent-send-off-pool-4 hello from clojure-agent-send-off-pool-3 hello from clojure-agent-send-off-pool-5 NullPointerException user/eval55/fn--56 (NO_SOURCE_FILE:11) Why is this happening? I have understood and observed the body of a fn to be an implicit do.

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• Where can I find documentation for Scala's delayed function calls?

  - by Geo

  I saw a delayed example in David Pollak's "Beginning Scala". I tried to adapt that, by trial and error. Here's what I have: def sayhello() = { println("hello") } def delaying(t: => Unit):Unit = { println("before call") t println("after call") } delaying(sayhello()) How would you delay a function/method that takes parameters? Why can't I use parantheses when I call t? Where can I find more documentation on delaying functions?

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• How to properly define hash function for a list of objects?

  - by AnSGri

  I have a data structure containing a list of objects, like this: class A { private List<Object> list; } How to properly define a hash function for the list, assuming each element of the list has correct hashCode()? (It's strange that I couldn't easily find the solution via Google.)

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• How do I assign an alias to a function name in C++?

  - by Vulcan Eager

  It's easy to create a new name for a type, a variable or a namespace. But how do I assign a new name to a function? For example, I want to use the name holler for printf. #define is obvious... any other way? Solutions: #define holler printf ...

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• if a controller action redirects to external url, what do you return in the function?

  - by oo

  i have a function and i am unclear what i should return from this? public ActionResult LoadExternalURL() { Response.Redirect("http://www.google.com"); // what do i return here ?? }

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• Could I find the function invoked by an event in run-time?

  - by Paul

  I want to find that when a user fires an event, such as click a button, what function(s) does this event invoke in run-time? Would it be possible? Thanks!

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• Possible to call single-parameter Python function without using parentheses?

  - by Jen

  The Python documentation specifies that is is legal to omit the parentheses if a function only takes a single parameter, but myfunction "Hello!" generates a syntax error. So, what's the deal? (I'm using Python 3.1)

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• how to store hour and minute in database table while using mktime() function?

  - by Learner Miz

  I am using a form to get the hour and minute using post method and then store it to mysql DB. Such as : $hour = $_POST['hour']; $minute = $_POST['minute']; ** There is no need of date, month and year. I just need to store the hour and minute in a column of a table (ex: exam_time) Column structure: exam_time time NOT NULL Now how to store these value into database using mktime() function. I tried but it stores 00:00:00, not the one which I am sending via form.

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• How can I retrieve all the returned variables from a function?

  - by user1447941

  import random def some_function(): example = random.randint(0, 1) if example == 1: other_example = 2 else: return False return example, other_example With this example, there is a chance that either one or two variables will be returned. Usually, for one variable I'd use var = some_function() while for two, var, var2 = some_function(). How can I tell how many variables are being returned by the function?

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• Running query from scratch with something like exec function?

  - by Steel Plume

  Hi, is it possible to make something similar to the following with Postgresql without using a function? pseudo sql code: select * from sometable where somecol = somevalue AND someothercol IN exec( 'select something from exclusionlist' ) My primary intention is to build up a table with predefined queries to call inside a where clause pseudo sql code: select * from sometable where somecol = somevalue AND someothercol IN exec( select query from predefinedqueries where id=someid )

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• In Javascript, when is a new scope created? (with a new function and in a "with" statement) Are the

  - by Jian Lin

  In Javascript, when is a new scope created? The 2 situations I know of are: with a new function in a "with" statement as a note, any new block (in if-then-else, loops, or just beginning a block for no other reason) won't create a new scope. Is there a third situation where a new scope is created besides the two situations above? Thanks.

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• PHP: How to know when exec() function is finish?

  - by skiria

  I have an exec function in php file that execs a bash script. It script calls fmpeg to transcode a video file. How can I know when transcoding is finish?? $script = "/opt/lamp../name.sh" exec("$script $videoIn $id") I will try using next code but it doesn't workd. if (exec("$script $videoIn $id")) { //print on screen that the video has been transcoded }

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• Why is ColdFusion adding whitespace when I put the output of a function in a string?

  - by Kip

  If I do something like this in ColdFusion: <cfoutput>foo="#foo()#"</cfoutput> The resulting HTML has a space in front of it: foo=" BAR" However, if it is not a function call it works fine, i.e.: <cfset fooOut=foo() /> <cfoutput>foo="#fooOut#"</cfoutput> Gives this output: foo="BAR" Where is this extra space coming from and is there anything I can do about it?

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