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• Excel INDIRECT function and conditional formatting - highlighting a row

  - by Ehryk

  I'm having an issue with conditional formatting using the INDIRECT function. I'm doing something similar to Using INDIRECT and AND/IF for conditional formatting , but the only answer there isn't working for me. Basically, I want to highlight rows where B is not blank and F is blank. INDIRECT will work for ONE of the conditions, but = AND(INDIRECT("B"&ROW()) > 0, INDIRECT("F"&ROW()) = "") does not work at all. The answer in the question points to replacing the references with relative ones, so I'm thinking this should work: = AND ($B2 > 0, $F2 = "") But it does not, nor does ISBLANK($F@) or ISEMPTY($F2) (the cell contains a formula that sometimes will return "", I want the row highlighted in these cases but only when something is in column B). Am I missing something about relative references? Why doesn't INDIRECT work with AND/OR?

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• Tweaking AStar to find closest location to unreachable destination

  - by Shivan Dragon

  I've implemented AStar in Java and it works ok for an area with obstacles where the chosen destination is reachable. However, when the destination is unreachable, the calculated "path" is in no way to the closest location (to the unreachable location) but is instead some random path. Is there a feasible way to tweak AStar into finding the path to the closest location to an unreachable destination?

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• Function key taken by another program, how to default it

  - by Milox

  Everytime I press the F11 key it opens up a browser window with the same URL. This happens anywhere I press it and I need this key to have it's default behavior because I use it to program on Visual Studio (Windows 7). Any ideas why this is happening and how to go back to default function keys?, I haven't installed anything that I remember can cause this behavior. This is a standard Dell desktop key board, no multimedia keys, like this one: Firing URL is http://argos:8080/Login.jsp?jsessionid=55rh3obsahm9m seems like one of our company's internal addresses but IT guys say they have no idea about it. I don't see any suspicious software that can be causing this.

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• How to prevent nginx from appending the location to root? [duplicate]

  - by simonszu

  This question already has an answer here: nginx location pathing issue 2 answers I want to serve an Icinga Webview via nginx. This webview should be accessible via myserver.com/icinga (as the debian autoconfig for apache will do). I have the following lines in my nginx config: location /icinga { root /usr/share/icinga/htdocs; index index.html; auth_basic "Restricted"; auth_basic_user_file /etc/icinga/htpasswd.users; } However, i get an error 404 and a log entry that says: *10 open() "/usr/share/icinga/htdocs/icinga" failed (2: No such file or directory), So it seems that nginx appends the location value to the root value. I think i figured it out how to prevent this some time ago, but i did not document it for myself and have forgotten how to do it. And now i can't fix it for myself. Can you tell me how to prevent this behaviour?

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• Android: get current location from best available provider

  - by AP257

  Hi all, I have some Android code that needs to get the best available location QUICKLY, from GPS, network or whatever is available. Accuracy is less important than speed. Getting the best available location is surely a really standard task. Yet I can't find any code to demonstrate it. The Android location code expects you to specify criteria, register for updates, and wait - which is fine if you have detailed criteria and don't mind waiting around. But my app needs to work a bit more like the Maps app does when it first locates you - work from any available provider, and just check the location isn't wildly out of date or null. I've attempted to roll my own code to do this, but am having problems. (It's inside an IntentService where an upload happens, if that makes any difference. I've included all the code for info.) What's wrong with this code? @Override protected void onHandleIntent(Intent arg0) { testProviders(); doUpload(); } private boolean doUpload() { int j = 0; // check if we have accurate location data yet - wait up to 30 seconds while (j < 30) { if ((latString == "") || (lonString == "")) { Log.d(LOG_TAG, "latlng null"); Thread.sleep(1000); j++; } else { Log.d(LOG_TAG, "found lat " + latString + " and lon " + lonString); break; } //do the upload here anyway, with or without location data //[code removed for brevity] } public boolean testProviders() { Log.e(LOG_TAG, "testProviders"); String location_context = Context.LOCATION_SERVICE; locationmanager = (LocationManager) getSystemService(location_context); List<String> providers = locationmanager.getProviders(true); for (String provider : providers) { Log.e(LOG_TAG, "registering provider " + provider); listener = new LocationListener() { public void onLocationChanged(Location location) { // keep checking the location - until we have // what we need //if (!checkLoc(location)) { Log.e(LOG_TAG, "onLocationChanged"); locationDetermined = checkLoc(location); //} } public void onProviderDisabled(String provider) { } public void onProviderEnabled(String provider) { } public void onStatusChanged(String provider, int status, Bundle extras) { } }; locationmanager.requestLocationUpdates(provider, 0, 0, listener); } Log.e(LOG_TAG, "getting updates"); return true; } private boolean checkLoc(Location location) { float tempAccuracy = location.getAccuracy(); int locAccuracy = (int) tempAccuracy; Log.d(LOG_TAG, "locAccuracy = " + locAccuracy); if ((locAccuracy != 0) && (locAccuracy < LOCATION_ACCURACY)) { latitude = location.getLatitude(); longitude = location.getLongitude(); latString = latitude.toString(); lonString = longitude.toString(); return true; } return false; } public void removeListeners() { // Log.e(LOG_TAG, "removeListeners"); if ((locationmanager != null) && (listener != null)) { locationmanager.removeUpdates(listener); } locationmanager = null; // Log.d(LOG_TAG, "Removed " + listener.toString()); } @Override public void onDestroy() { super.onDestroy(); removeListeners(); } Unfortunately, this finds the network provider, but only ever outputs latlng null 30 times - it never seems to get a location at all. I never even get a log statement of locationChanged. It's funny, because from ddms I can see output like: NetworkLocationProvider: onCellLocationChanged [305,8580] NetworkLocationProvider: getNetworkLocation(): returning cache location with accuracy 75.0 seeming to suggest that the network provider does have some location info after all, I'm just not getting at it. Can anyone help? I think working example code would be a useful resource for the Android/StackOverflow community.

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• Bash/shell script - shell output redirection inside a function

  - by Josh

  function grabSourceFile { cd /tmp/lmpsource wget $1 > $LOG baseName=$(basename $1) tar -xvf $baseName > $LOG cd $baseName } When I call this function The captured output is not going to the log file. The output redirection works fine until I call the function. The $LOG variable is set at the top of the file. I tried echoing statements and they would not print. I am guessing the function captures the output itself? If so how do push the output to the file instead of the console. (The wget above prints to console, while an echo inside the function does nothing.)

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• SqlServer2008 - Can I Alter a Scalar Function while it is referenced in many places

  - by Casey C.

  We have a scalar function that returns a DateTime. It performs a couple of quick table selects to get its return value. This function is already in use throughout the database - in default constraints, stored procs, etc. I would like to change the implementation of the function (to remove the table hits and make it more efficient) but apparently I can't do that while it is referenced by other objects in the database. Will I actually need to update every object in the database that references it to remove the reference, update the function and then update all those objects to restore the reference to the function? Thanks for any insight you can give.

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• Vim: Call an ex command (set) from function?

  - by sixtyfootersdude

  Drawing a blank on this, and google was not helpful. Want to make a function like this: function JakPaste() let tmp = :set paste? if tmp == "paste" set nopaste else set paste endif endfunction map <F2> :call JakPaste()<CR> However this does not work. I have isolated the broken line: function JakPaste() let tmp = set paste? endfunction map <F2> :call JakPaste()<CR> Pressing F2 results in this error: Error detected while processing function JakPaste: line 1: E121: Undefined variable: set E15: Invalid expression: set paste? Hit ENTER or type command to continue How should I call an ex command (set) from a vim function? This seems somewhat relevant however I still don't get it.

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• How flexible is the 'indirect' function?

  - by Chuck

  My curiosity pushes me to ask this question. If I were to have a series of functions that referenced a different column in a worksheet but all ended on the same row of data is there a way to point the 'row' part of a cell reference to a blank cell and use it has a variable to show the results of the functions up to a desired row simultaneously? Example: =Average('worksheet 1'.$A$1:'worksheet 1'.$A100) =Max('worksheet 1'.$B$1:'worksheet 1'.$B100) =Min('worksheet 1'.$C$1:'worksheet 1'.$C100) =Sum('worksheet 1'.$D$1:'worksheet 1'.$D100) Pseudo formulas... =Average('worksheet 1'.$A$1:'worksheet 1'.$A*('worksheet 2'.$A$1)*) =Max('worksheet 1'.$B$1:'worksheet 1'.$B*('worksheet 2'.$A$1)*) =Min('worksheet 1'.$C$1:'worksheet 1'.$C*('worksheet 2'.$A$1)*) =Sum('worksheet 1'.$D$1:'worksheet 1'.$D*('worksheet 2'.$A$1)*) Where 'worksheet 2'.$A$1 would only contain a number corresponding to a row in 'worksheet 1'. After stumbling upon and playing with the indirect() function I have only been able to replace the entire cell reference (Column and Row) with any success. The formula so far =SUM('worksheet 1'.C3:INDIRECT(A1)) Where A1 is on 'worksheet 2' and contains a full cell reference pointing to 'worksheet 1'. Any pointers?

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• How to create a function with vectors and vertical asymptote using MATLAB

  - by Pedro J Trinidad

  Plot the function f(x) = 1.5x / x-4 for -10 equal or less than X equal or less than 10. Notice that the function have a vertical asymptote at x = 4. Plot the function by creating two vectors for the domain of x. The first vector (call it x1) with elements from -10 to 3.7, and the second vector (calle it x2) with elements from 4.3 to 10. For each of the X vector create a Y vector (call them y1 and y2) with the corresponding values of Y according to the function. To plot the function make two curves in the same plot (y1 vs. x1 and y2 vs. x2).

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• Lua : Dynamicly calling a function with arguments.

  - by Tipx

  Using Lua, I'm trying to dynamicly call a function with parameters. What I want to have it done is I send a string to be parsed in a way that : 1st argument is a class instance "Handle" 2nd is the function to be called All that is left are arguments "modules" is a a table like { string= } split() is a simple parser that returns a table with indexed strings function Dynamic(msg) local args = split(msg, " ") module = args[1] table.remove(args, 1) if module then module = modules[module] command = args[1] table.remove(args, 1) if command then if not args then module[command]() else module[command](unpack(args)) -- Reference 1 end else -- Function doesnt exist end else -- Module doesnt exist end end When I try this with "ignore remove bob", by "Reference 1", it tries to call "remove" on the instance associated with "ignore" in modules, and gives the argument "bob", contained in a table (with a single value). However, on the other side of the call, the remove function does not receive the argument. I even tried to replace the "Reference 1" line with module[command]("bob") but I get the same result.

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• Lua : Dynamically calling a function with arguments.

  - by Tipx

  Using Lua, I'm trying to dynamically call a function with parameters. I want to send a string to be parsed in a way that: 1st argument is a class instance "Handle" 2nd is the function to be called All that is left are arguments "modules" is a a table like { string=<instance of a class> } split() is a simple parser that returns a table with indexed strings. function Dynamic(msg) local args = split(msg, " ") module = args[1] table.remove(args, 1) if module then module = modules[module] command = args[1] table.remove(args, 1) if command then if not args then module[command]() else module[command](unpack(args)) -- Reference 1 end else -- Function doesnt exist end else -- Module doesnt exist end end When I try this with "ignore remove bob", by "Reference 1", it tries to call "remove" on the instance associated with "ignore" in modules, and gives the argument "bob", contained in a table (with a single value). However, on the other side of the call, the remove function does not receive the argument. I even tried to replace the "Reference 1" line with module[command]("bob") but I get the same result.

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• [C++]Advantage of using a static member function instead of an equivalent non-static member function

  - by jonathanasdf

  I was wondering whether there's any advantages to using a static member function when there is a non-static equivalent. Will it result in faster execution (because of not having to care about all of the member variables), or maybe less use of memory (because of not being included in all instances)? Basically, the function I'm looking at is an utility function to rotate an integer array representing pixel colours an arbitrary number of degrees around an arbitrary centre point. It is placed in my abstract Bullet base class, since only the bullets will be using it and I didn't want the overhead of calling it in some utility class. It's a bit too long and used in every single derived bullet class, making it probably not a good idea to inline. How would you suggest I define this function? As a static member function of Bullet, of a non-static member function of Bullet, or maybe not as a member of Bullet but defined outside of the class in Bullet.h? What are the advantages and disadvantages of each?

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• How to run Jquery constructor from own function?

  - by Invidian

  I need to create a function which will returning jQuery.Color object and i have no idea how to do it. Here is code example function newcolor () { var obj = new $.Color( 'rgb(0,0,0)' ); return obj;} var foo = newcolor(); foo.red(); Edit: My full code: function my (element,a,b,c){ //class my this.target = $(elem); this.new_color = function (a,b,c) { return new $.Color( 'rgb('+a+','+b+','+c+')'); } this.base_color = new_color (a,b,c); this.colorize = function () ( this.target.css({ background-color: new_color }); } var div = new My($('foo'),0,0,0); div.new_color(255,255,255); div.colorize(); My goal is to create class which can hold jquery element and operate on it. Now I'm stuck on returning $.Color().

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• Language construct naming: Function/Goto

  - by sub

  How is a language construct with the following properties called? It has a beginning and an end, just like a function It has a header containing it's name, also like a function but without arguments There can be any number of statements between its beginning and end, like a function You can use a function to jump to its beginning from anywhere (even itself) and it will execute the statements contained in it until it reaches its end You can use a function to immediately stop the execution of its contents and jump back where it was called from The code it contains is in the same scope as everything else, so you can access all variables outside and create new ones which aren't deleted upon leaving the construct. All in all it is like a goto point with an end and the option to return where it was called from.

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• use MACRO __FUNCTION__ with inline function

  - by Kurzack

  Hi all, I want to add debug message in kmalloc function in linux kernel. So my goal is to print all functions that call kmalloc. I tried to add printk("caller : %s size : %d",FUNCTION, size); in kmalloc function in slab.h but, the result of FUNCTION is kmalloc itself. I realised that MACRO is processed first before inline function (fyi, kmalloc is an inline function). Now, my question is, what is the simplest way to add debug message to kmalloc? Thanks in advance guys.

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• Variable function name Javascript.

  - by Vladimir

  I'm sorting array: myArray.sort(comparators.some_comparator); and I have several comparator to choose from: comparators = { asc_firstname_comparator : function(o1, o2){ ... } desc_firstname_comparator : function(o1, o2){ ... } etc... } I want to write function which returns certain comparator depending on input data. It should figure out comparator from string inputs, something like this: function chooseComparator(field, order){ return "comparators."+order+"_"+field+"_comparator"; } So is it possible to pass only function name string to sort() method or I'll need to pass reference to correct comparator somehow?

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• How to get function's name from function's pointer in C?

  - by Daniel Silveira

  How to get function's name from function's pointer in C? Edit: The real case is: I'm writing a linux kernel module and I'm calling kernel functions. Some of these functions are pointers and I want to inspect the code of that function in the kernel source. But I don't know which function it is pointing to. I thought it could be done because, when the system fails (kernel panic) it prints out in the screen the current callstack with function's names. But, I guess I was wrong... am I?

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• jQuery Function Implementation and Function Call ?

  - by Rachel

  What is the difference of calling function like: testCall: function() and function testCall() in jQuery ?

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• Error Handling in T-SQL Scalar Function

  - by hydroparadise

  Ok.. this question could easily take multiple paths, so I will hit the more specific path first. While working with SQL Server 2005, I'm trying to create a scalar funtion that acts as a 'TryCast' from varchar to int. Where I encounter a problem is when I add a TRY block in the function; CREATE FUNCTION u_TryCastInt ( @Value as VARCHAR(MAX) ) RETURNS Int AS BEGIN DECLARE @Output AS Int BEGIN TRY SET @Output = CONVERT(Int, @Value) END TRY BEGIN CATCH SET @Output = 0 END CATCH RETURN @Output END Turns out theres all sorts of things wrong with this statement including "Invalid use of side-effecting or time-dependent operator in 'BEGIN TRY' within a function" and "Invalid use of side-effecting or time-dependent operator in 'END TRY' within a function". I can't seem to find any examples of using try statements within a scalar function, which got me thinking, is error handling in a function is possible? The goal here is to make a robust version of the Convert or Cast functions to allow a SELECT statement carry through depsite conversion errors. For example, take the following; CREATE TABLE tblTest ( f1 VARCHAR(50) ) GO INSERT INTO tblTest(f1) VALUES('1') INSERT INTO tblTest(f1) VALUES('2') INSERT INTO tblTest(f1) VALUES('3') INSERT INTO tblTest(f1) VALUES('f') INSERT INTO tblTest(f1) VALUES('5') INSERT INTO tblTest(f1) VALUES('1.1') SELECT CONVERT(int,f1) AS f1_num FROM tblTest DROP TABLE tblTest It never reaches point of dropping the table because the execution gets hung on trying to convert 'f' to an integer. I want to be able to do something like this; SELECT u_TryCastInt(f1) AS f1_num FROM tblTest fi_num __________ 1 2 3 0 5 0 Any thoughts on this? Is there anything that exists that handles this? Also, I would like to try and expand the conversation to support SQL Server 2000 since Try blocks are not an option in that scenario. Thanks in advance.

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• Get a JQuery function to execute after and independently of onLoad

  - by lewicki

  Is is possible to execute a JQuery function by injecting it into the page? IT CAN'T be attached to the .ready function. The reason is that the user will be uploading an image via iframe. I need JCrop to execute after I display the uploaded image. echo "<script>$('#pictures_step1_right_bottom1', window.parent.document).html('<img id=\"cropbox\" src=\"../../box/" . 'THM' . $filenameAlt . '.jpg' . "\">');</script>"; echo "<script>jQuery(function(){jQuery('#cropbox').Jcrop();});</script>"; This is executed in the iframe that is processing the image. it then sends it to the main page. This does not work however. EDIT: Ended up running a timer: function checkPic() { if($('#cropbox1').length != 0) { jQuery(function() { jQuery('#cropbox1').Jcrop(); }); } timer(); // Check size again after 1 second } function timer(){ var myTimer = setTimeout('checkPic()', 3000); // Check size every 1 second}

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• Function inside jquery returns undefined

  - by steamboy

  Hello Guys, The function I called inside jquery returns undefined. I checked the function and it returns correct data when I firebugged it. function addToPlaylist(component_type,add_to_pl_value,pl_list_no) { add_to_pl_value_split = add_to_pl_value.split(":"); $.ajax({ type: "POST", url: "ds/index.php/playlist/check_folder", data: "component_type="+component_type+"&value="+add_to_pl_value_split[1], success: function(msg) { if(msg == 'not_folder') { if(component_type == 'video') { rendered_item = render_list_item_video(add_to_pl_value_split[0],add_to_pl_value_split[1],pl_list_no) } else if(component_type == 'image') { rendered_item = render_list_item_image(add_to_pl_value_split[0],add_to_pl_value_split[1],pl_list_no) } } else { //List files from folder folder_name = add_to_pl_value_split[1].replace(' ','-'); var x = msg; // json eval('var file='+x); var rendered_item; for ( var i in file ) { //console.log(file[i]); if(component_type == 'video') { rendered_item = render_list_item_video(folder_name+'-'+i,file[i],pl_list_no) + rendered_item; } if(component_type == 'image') { rendered_item = render_list_item_image(folder_name+'-'+i,file[i],pl_list_no) + rendered_item; } } } $("#files").html(filebrowser_list); //Reload Playlist console.log(rendered_item); return rendered_item; }, error: function() { alert("An error occured while updating. Try again in a while"); } }) } $('document').ready(function() { addToPlaylist($('#component_type').val(),ui_item,0); //This one returns undefined });

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• How to use include within a function?

  - by mahks

  I have a large function that I wish to load only when it is needed. So I assume using include is the way to go. But I need several support functions as well -only used in go_do_it(). If they are in the included file I get a redeclare error. See example A If I place the support functions in an include_once it works fine, see Example B. If I use include_once for the func_1 code, the second call fails. -func_1 needs include -func_2 needs include_once Why does does include_once fail for func_1, does it get reloaded each time the function is called? Example A: <?php /* main.php */ go_do_it(); go_do_it(); function go_do_it(){ include 'func_1.php'; } ?> <?php /* func_1.php */ echo '<br>Doing it'; nested_func() function nested_func(){ echo ' in nest'; } ?> Example B: <?php /* main.php */ go_do_it(); go_do_it(); function go_do_it(){ include_once 'func_2.php'; include 'func_1.php'; } ?> <?php /* func_1.php */ echo '<br> - doing it'; nested_func(); ?> <?php /* func_2.php */ function nested_func(){ echo ' in nest'; } ?>

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• function in php for displaying a menu

  - by Stanislas Piotrowski

  I met some trouble with a function I have written. In fact I have an array in which I have different custom values. I would like to display the result of that, so here is my function function getAccess($var){ $data=mysql_fetch_array(mysql_query("SELECT * FROM `acces` WHERE `id`='.$var.'")); return $data; } getAccess($_SESSION['id']); $paramAcces = array( 'comptesfinanciers' => array( 'libelle' => 'COMPTES FINANCIERS', 'acces' => $data['comptesfinanciers'], 'lien' => 'financier', 'image' => 'images/finances.png' ) ); I have done a var_dump of $paramAcces which return array(1) { ["comptesfinanciers"]=> array(4) { ["libelle"]=> string(18) "COMPTES FINANCIERS" ["acces"]=> NULL ["lien"]=> string(9) "financier" ["image"]=> string(19) "images/finances.png" } } (that are the ecpected values). Here is the function for displaying what is in the array /** * AFFICHAGE DE LA SECTION PARAMETRES SUR LA PAGE D'ACCUEIL */ function affichParam($paramAccees){ echo '<ul class="getcash-vmenu"><li><a href="index.php?p='.$paramAccees['lien'].'" class="active"><span class="t"><img src="'.$paramAccees['image'].'"> '.$paramAccees['libelle'].'</span></a></li></ul>'; } The trouble is that actualy it return to me an empty line. I really do not know what I'm wrong doin: I call the function like that: <?php affichParam($paramAccees) ?> In a second time I will add more value, so I think I will have to do a for each loop or something like that. But actualy I just would like to display the first record. Any kind of help will be much apprecitaed

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• function php with parameter 0

  - by Arnaud Ncy

  I have a function like this public function get_page($position) { switch ($position) { case "current": echo "current"; return $this->current_page; break; case "first": echo "first"; return $this->current_page >= 3 ? 1 : false; break; case "last": echo "last"; return $this->current_page <= $this->total_pages() - 2 ? ceil($this->count / $this->nb_items_to_show) : false; break; case "previous": echo "previous"; return $this->current_page - 1 >= 1 ? $this->current_page - 1 : false; break; case "next": echo "next"; return $this->current_page + 1 <= $this->total_pages() ? $this->current_page + 1 : false; break; case is_int($position): echo "int"; if ($position >= 1 && $position <= $this->total_pages()) { return $position; } else { return false; } break; default: echo "default"; return false; break; } } When I call the function, it works for every parameters except 0 and goes in "current" case in the switch. $paginator->get_page(0); If I call the function with quotes "0", it works. But the function could be called like this $paginator->get_page($paginator->get_page("current") - 2); How can I call the function with parameter 0 ?

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