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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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• 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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• 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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• How to hook a function for a particular shared ELF library?

  - by iUm

  LD_PRELOAD hooks some functions for the entire process, but I need to hook a particular function for only one dynamically linked library by its name.

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• I need a way to implement the function matches() from XPath 2.0 with functions from XPath 1.0

  - by Jenny Smith

  I have the following piece of code: root="//valueExpression[matches(self::*,'pattern')]/.." But I can only use XPath 1.0 and I get an exception for the function matches(). Can you please help me with a solution using only functions from XPath 1.0 ?

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• Why would one write global code inside a function definition-call pair?

  - by ssg

  I see examples where JavaScript code including jQuery and jslint use the notation below: (function(){ // do something })(); instead of: // do something I first thought this is just for local scoping, i.e. creating local variables for the code block without polluting global namespace. But I've seen instances without any local variables at all too. What am I missing here?

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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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• Does Doctrine 1.2 support importing indexes with Doctrine_Core::generateModelsFromDb function?

  - by Coagulant

  Does Doctrine 1.2 support importing indexes with Doctrine_Core::generateModelsFromDb() function? I need to make a migration between 2 database connections, one of them having unique index on 2 fields and one doesn't. And my migration is empty. It looks like Doctrine doesn't support indexes when importing from databae, other than those tied to relationship foreign keys. $changes = Doctrine_Core::generateMigrationsFromDiff($migrationsPath, array('doctrineOld'), array('doctrine'));

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• How to get the function name from IASTExpression in CDT ?

  - by Morpheus

  Hi all! I can use getFunctionNameExpression() to get the function name as a expression. But i don't know how to get the name string from it. Any help ? thank you very much.

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• Python: set a function timeout without using signal or threads?

  - by Heinrich Schmetterling

  Is there a way to have a function raise an error if it takes longer than a certain amount of time to return? I want to do this without using signal (because I am not in the main thread) or by spawning more threads, which is cumbersome.

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• Why do I need the isset() function in php?

  - by Chris

  I am trying to understand the difference between this: if (isset($_POST['Submit'])) { //do something } and if ($_POST['Submit']) { //do something } It seems to me that if the $_POST['Submit'] variable is true, then it is set. Why would I need the isset() function in this case?

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• What does (function( $ ){...})( jQuery ); do/mean?

  - by Derek Adair

  Hi, I am a bit new to reusable plugins for jquery. I have ran across this code several times and can't figure out exactly what is going on. (function( $ ){ ... })( jQuery ); Can any one enlighten me?

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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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• Why is ColdFusion adding whitespace when I call a function in cfoutput?

  - 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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• Should the function or the caller be resonsible for input validation?

  - by haudenschilt

  I'm doing a security audit on a fairly large php application and was wondering where I should include my user-input validation. Should I validate the data, then send the clean data off to the back-end functions or should I rely on each function to do it's own validation? Or even both? Is there any standard or best-practice for this sort of thing? Currently the app does both inconsistently and I'll like to make things more consistent.

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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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• Django. Invalid keyword argument for this function. ManyToMany

  - by sagem_tetra

  I have this error: 'people' is an invalid keyword argument for this function class Passage(models.Model): name= models.CharField(max_length = 255) who = models.ForeignKey(UserProfil) class UserPassage(models.Model): passage = models.ForeignKey(Passage) people = models.ManyToManyField(UserProfil, null=True) class UserProfil(models.Model): user = models.OneToOneField(User) name = models.CharField(max_length=50) I try: def join(request): user = request.user user_profil = UserProfil.objects.get(user=user) passage = Passage.objects.get(id=2) #line with error up = UserPassage.objects.create(people= user_profil, passage=passage) return render_to_response('thanks.html') How to do correctly? Thanks!

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• C#: Specify that a function arg must inhert from one class, and implement an interface?

  - by Rosarch

  I'm making a game where each Actor is represented by a GameObjectController. Game Objects that can partake in combat implement ICombatant. How can I specify that arguments to a combat function must inherit from GameObjectController and implement ICombatant? Or does this indicate that my code is structured poorly? public void ComputeAttackUpdate(ICombatant attacker, AttackType attackType, ICombatant victim) In the above code, I want attacker and victim to inherit from GameObjectController and implement ICombatant. Is this syntactically possible?

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• How can I call javascript function when DIV position is change ?

  - by Jimit

  Hello everyone, I need to call javascript function when div position is changed.how can I achieve that event of changed div position ?. any idea ?

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• What is the purpose of a self executing function in javascript?

  - by Ej

  In javascript, when would you want to use this: (function(){ //Bunch of code... })(); over this: //Bunch of code...

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• How to get the absolute path of the file in a function that's called in PHP?

  - by user198729

  in file.php: call()... How to get absolute path of file.php inside call() ? Pay attention that call() may be defined in another file. another.php: function call(){..} file.php: include(path_to_another.php); call();

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• Can we say that virtual function(Polymorphism) is for comfort(ease of handling) as Templates are??

  - by Narek

  For example concept of Templates in C++ are for comfort as compiler generates some additional code, for your class or for your function, isn't it? So we could live without template by doing some additional (manual work). What about virtual functions??? Are there any situations where both of them are irreplaceable?

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• How do I use inverted commas in the echo function in PHP?

  - by iTayb

  How do I use inverted commas in the echo function in PHP? echo "<script type="text/javascript">"; doesnt work well. Thank you!

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• Eclipse: how to show the information about a function?

  - by user248959

  Hi, when i go with the mouse pointer on the function it doesn't show the location, class... i have this problem in one of my projects. All is executed ok so the functions are there :). Build id: 20090920-1017 Any idea? Javi

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• Resize a MovieClip on AS2 in function of text len?

  - by DomingoSL

  Hello, i have a AS2 script who get information from a MySQL database. This information is a text from 0 to 300 chars. I want to display that text in this layout: I want to resize the black box you see on the picture in function of the amount of text imported. Any idea of how to do that on AS2? The instance name of the box is: cargador.fondo (only want to resize height) The instance name of the text is: cargador.texto Thanks.

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