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  • IS NULL vs = NULL in where clause + SQL Server

    - by Nev_Rahd
    Hello How to check a value IS NULL [or] = @param (where @param is null) Ex: Select column1 from Table1 where column2 IS NULL => works fine If I want to replace comparing value (IS NULL) with @param. How can this be done Select column1 from Table1 where column2 = @param => this works fine until @param got some value in it and if is null never finds a record. How can this achieve?

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  • Drag and Drop Multiple select boxes

    - by Roland
    I have two multiple select boxes. I need to use JQuery to drag selected items from one combobox to the next. Is this at all possible? I need to drag items from this box <select id="select1" multiple=multiple> <option value="1">test1</option> <option value="2">test2</option> <option value="3">test3</option> </select> to this box <select id="select2" multiple=multiple> <option value="4">test4</option> </select> Any pointers help will be appreciated

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  • ASP.NET DropDownList control doesn't postback correctly inside of UserControl

    - by RichardAZ
    I have a situation where a DropDownList control is not posting back correctly. The AutoPost property is set to true, so the postback does happen, but the SelectedValue is not set to the correct value. In addition, the onSelectedIndexChanged event doesn't fire. The exact same code works perfect fine on an ASPX page, but does not work in a ASCX control. I have tried all the obvious things, I hope, trying to figure this one out, but no luck so far. I have even investigated what comes back in Request.Form["__EVENTTARGET"] and __EVENTARGUMENT. __EVENTTARGET does point to the drop down list, but the argument is empty. Can the folks of StackOverflow help lead me in the right direction to debug this issue. Of course, it is further complicated by master pages and the usual overcomplication of ASP.NET. Here is the code: <div> <asp:DropDownList ID="testDrop" runat="server" AutoPostBack="true" EnableViewState="true" onselectedindexchanged="testDrop_SelectedIndexChanged"> <asp:ListItem Value="1" Text="1">1</asp:ListItem> <asp:ListItem Value="2" Text="2">2</asp:ListItem> </asp:DropDownList> </div> And here is the generated html: <select id="ctl00_MainContent_rptAccordion_ctl00_statControl_testDrop" onchange="javascript:setTimeout('__doPostBack(\'ctl00$MainContent$rptAccordion$ctl00$statControl$testDrop\',\'\')', 0)" name="ctl00$MainContent$rptAccordion$ctl00$statControl$testDrop"> <option value="1" selected="selected">1</option> <option value="2">2</option> THANKS!

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  • Textbox not updating in UI screen

    - by subash
    i have a page consisting of devexpress gridview control with 4 columns and 4 asp.net text boxes. on selecting a row in gridview ,it should update the 4 textboxes with the values of the row selected. so i was assigning the value of the rows of the grid to the text box in the custom callback event of the grid and also the value gets assigned to the all textboxes's text property but it doesn't updates the textbox value in the UI screen.

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  • query to return three records for each customer application based on the options declared in the pre

    - by kumarreddy
    tables look like this table1---customer application columns--- application id--primary key, name, ssn, ... ... table2----balance(actually its a view) columns--- amount balance, application id ...... ...... table3 ---- options columns--- optionid, option value(1,2,3,4), ...... ........ .... table4 ----- ratios columns--- ratios id, option value, ratio value, applicationid(have to think about it), ........ table 4(detail) option value, Ratios 1 ----- 30 1 ----- 40 1 ----- 30 2 ---- 100 2 ----- 0 2 ------ 0 3 ---- 60 3 ------ 30 3 ----- 10 4 ---- 50 4 ----- 30 4 ----- 20 as is the case...now i need to get three records for each customer application with varying balances in proportion of ratios declared in table 4 corresponding to option values...... plz let me know where i was unclear about returning records thanks in advance

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  • Mystery regarding for-loop.

    - by primalpop
    Hi, I am stuck with this mystery regarding for loop. int abc[3], i, j; for(j=0; j<3; j++); printf("%d\n", j); abc[j] = abc[j] + 3; printf("%d \n", j); Output: 3 6 Output should have been 3,3 as I've not changed value of j. Adding 3 to the jth value of abc has resulted in change of value of j by 3. This happens only while exiting from a for loop and then trying to change the value of abc[j]. Maybe I am missing something pretty obvious. Any help would be much appreciated.

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  • JSF validateLength question

    - by user337515
    I have a input field with validation to validate the max and min length <h:inputText id="LABEL_ID" styleClass="textboxsmall" value="#{sampleDatatableBean.accessionLabelId}" maxlength="5"> <f:validateLength minimum="4" maximum="5" /> </h:inputText> <br/><h:message id="LABEL_ID_MSG" styleClass="errorMessage" for="LABEL_ID" /> It validates but I get the below message: "Value is less than allowable minimum of {0}" Shouldn't {0} be replaced by value from minimum? Not sure why its not picking up the value. Any ideas? Version info: <!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN" "http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd"> <tlib-version>1.0</tlib-version> <jsp-version>1.2</jsp-version>

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  • DataTrigger not reevaluating after property changes

    - by frozen
    I have a listbox which has its itemssource (this is done in the code behind on as the window is created) databound to an observable collection. The List box then has the following data template assigned against the items: usercontrol.xaml ... <ListBox x:Name="communicatorListPhoneControls" ItemContainerStyle="{StaticResource templateForCalls}"/> ... app.xaml ... <Style x:Key="templateForCalls" TargetType="{x:Type ListBoxItem}"> <Setter Property="ContentTemplate" Value="{StaticResource templateRinging}"/> <Style.Triggers> <DataTrigger Binding="{Binding Path=hasBeenAnswered}" Value="True"> <Setter Property="ContentTemplate" Value="{StaticResource templateAnswered}"/> </DataTrigger> </Style.Triggers> </Style> ... When the observable collection is updated with an object, this appears in the listbox with the correct initial datatemplate, however when the "hasBeenAnswered" property is set to true (when debugging i can see the collection is correct) the datatrigger does not re-evaluate and then update the listbox to use the correct data template. I have implemented the INotifyPropertyChanged Event in my object, and if in the template i bind to a value, i can see the value update. Its just that the datatrigger will not re-evaluate and change to the correct template. I know the datatrigger binding is correct because if i close the window and open it again, it will correctly apply the second datatemplate, because the "hasBeenAnswered" is set to True.

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  • How can I change column fore color in DataGridview as per condition?

    - by Ashish
    hi, i have one table like employee and one of its row is 'status' if status value is 'approve' then i want to show that row in green color and else i want to show it in red color. i have tried following but not working if (e.Row.RowType == DataControlRowType.Header) { string status = DataBinder.Eval(e.Row.DataItem, "IsApprove").ToString(); if (status == "pending") { e.Row.ForeColor = System.Drawing.Color.Red; // Change the row's Text color } } ALSO THIS ONE private void gvleavedetail_cellformatting(object sender, datagridviewcellformattingeventargs e) { // if the column is the artist column, check the // value. if (this.gvleavedetail.columns[e.columnindex].name == "artist") { if (e.value != null) { // check for the string "pink" in the cell. string stringvalue = (string)e.value; stringvalue = stringvalue.tolower(); if (stringvalue == "high") { e.cellstyle.backcolor = color.pink; } } } But in this case i'm getting error for datagridviewcellformattingeventargs I'm using VS2010

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  • In python, what does len(list) do?

    - by nsharish
    My doubt is that if the len(list) calculates the length of the list everytime it is called or it returns the value of the builtin counter.I have a context where i need to check the length of list everytime in a loop, likelistData = [] for value in ioread(): if len(listData)=25: processlistdata() clearlistdata() listData.append(value) Should I check len(listData) every iteration, or can I have a counter for the length of the list.

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  • jquery load function problem

    - by andrew
    Hi, i have a select box like that <select name="sehirler_post" id="sehirler_post"> i am getting values via jquery. i know two different ways to get values. first one is : var sehirler_post = jQuery('select#sehirler_post').attr('value'); second one is: jQuery('#sehirler_post ').val() and finally here is my problem, i have something like this: jQuery("#okay").load("ajax_post_category.php?okay="+id+""); i would like to use selectbox value instead of id (okay="+id+"). so, i must change +id+ part with select box value. however i can not do it.. i tried to do like that: jQuery("#okay").load("ajax_post_category.php?okay="+jQuery('#sehirler_post').val()+""); it did not work. there must be a way, so i can use selectbox value instead of id in my load function. if anyone helps me, ill be so glad. regards

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  • Working with Multiple Web Config C#

    - by Hiyasat
    Hi All, I have 2 projects, each one have a WebConfig file, and i want to edit the 2 webconfig files from one place, and i try to do this: string configPath = "/"; Configuration confUI = WebConfigurationManager.OpenWebConfiguration("~"); Configuration confProtocol = WebConfigurationManager.OpenWebConfiguration(configPath); AppSettingsSection appSettingsUI = (AppSettingsSection)confUI.GetSection("appSettings"); AppSettingsSection appSettingsProtocol = (AppSettingsSection)confProtocol.GetSection("appSettings"); if (appSettingsUI != null & appSettingsProtocol != null) { appSettingsUI.Settings[key].Value = value; appSettingsProtocol.Settings[key].Value = value; confUI.Save(); confProtocol.Save(); } The problem that confProtocol is set to empty. How to set The WebConfig path of the Protocol Project from the UI Project?

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  • PHP: Check if 0?

    - by tarnfeld
    Hi, I am using a class which returns me the value of a particular row and cell of an excel spreadsheet. To build up an array of one column I am counting the rows and then looping through that number with a for() loop and then using the $array[] = $value to set the incrementing array object's value. This works great if none of the values in a cell are 0. The class returns me a number 0 so it's nothing to do with the class, I think it's the way I am looping through the rows and then assigning them to the array... I want to carry through the 0 value because I am creating graphs with the data afterwards, here is the code I have. // Get Rainfall $rainfall = array(); for($i=1;$i<=$count;$i++) { if($data->val($i,2) != 'Rainfall') // Check if not the column title { $rainfall[] = $data->val($i,2); } } For your info $data is the excel spreadsheet object and the method $data->val(row,col) is what returns me the value. In this case I am getting data from column 2. Screenshot of spreadsheet http://cl.ly/1Dmy Thanks! All help is very much appreciated!

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  • jquery ui popup a YouTube Video modally

    - by BahaiResearch.com
    Is there a way to use jQueryUI to popup a YouTube video modally? Here's the YouTube code I have: <object width="480" height="385"><param name="movie" value="http://www.youtube.com/v/DIuXtsaUDmM?fs=1&amp;hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/DIuXtsaUDmM?fs=1&amp;hl=en_US" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object>

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  • Setting a cookie based on the name of the link that is clicked.

    - by Ozaki
    TLDR When clicking on a link I want to assign a cookie with a name of instrument and a value of the text on the link clicked. Using Jquery.1.4.2.min.js, Jquery.cookie.1.0.js I am trying to create a cookie when a link is clicked (will always link to "page.html"). name of instrument value of the TEXT So far I am trying to use: Link1: <a href="page.html">link1</a> Link2: <a href="page.html">link2</a> Script: $('a[href=page.html]').click(function() { var name = 'instrument'; var value = $(this).text(); $.cookie(name, value, { expires: 365 }); }); When I click the link it just loads the link and no cookie is set. Debugging with firebug, firecookie, firequery. No cookie for instrument or anything along the lines is found. Onload I'll hit the "<a href="page.html">projects</a>" but not the "$.cookie(name, value, { expires: 365 });" at all.

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  • How to disable typing in values in Dojo's NumberSpinner?

    - by callie16
    Hi, is there a way to disable typing in of values in the NumberSpinner of Dojo? Or is there a way for me to set back a previous value to it? Here's a sample situation: I have a spinner where the range is 1-3. However, the user types in an invalid value... say, a letter. The usual error handling happens. However, if the user deletes the value and focuses out (e.g. goes to another widget/control/etc. in the page), the spinner stays blank. Either I reset it to the last valid value or I disable typing so that the user can just use the up and down arrows to manipulate the widget. Any thoughts? Thanks!

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  • Extending appengine's db.Property with caching

    - by Noio
    I'm looking to implement a property class for appengine, very similar to the existing db.ReferenceProperty. I am implementing my own version because I want some other default return values. My question is, how do I make the property remember its returned value, so that the datastore query is only performed the first time the property is fetched? What I had is below, and it does not work. I read that the Property classes do not belong to the instances, but to the model definition, so I guess that the return value is not cached for each instance, but overwritten on the model every time. Where should I store this _resolved variable? class PageProperty(db.Property): data_type = Page def get_value_for_datastore(self, model_instance): page = super(PageProperty, self).get_value_for_datastore(model_instance) self._resolved = page return page.key().name() def make_value_from_datastore(self, value): if not hasattr(self, '_resolved'): self._resolved = Page.get_by_name(value) return self._resolved

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  • C++ vector pointer/reference problem

    - by sub
    Please take a look at this example: #include <iostream> #include <vector> #include <string> using namespace std; class mySubContainer { public: string val; }; class myMainContainer { public: mySubContainer sub; }; void doSomethingWith( myMainContainer &container ) { container.sub.val = "I was modified"; } int main( ) { vector<myMainContainer> vec; /** * Add test data */ myMainContainer tempInst; tempInst.sub.val = "foo"; vec.push_back( tempInst ); tempInst.sub.val = "bar"; vec.push_back( tempInst ); // 1000 lines of random code here int i; int size = vec.size( ); myMainContainer current; for( i = 0; i < size; i ++ ) { cout << i << ": Value before='" << vec.at( i ).sub.val << "'" << endl; current = vec.at( i ); doSomethingWith( current ); cout << i << ": Value after='" << vec.at( i ).sub.val << "'" << endl; } system("pause");//i suck } A hell lot of code for an example, I know. Now so you don't have to spend years thinking about what this [should] do[es]: I have a class myMainContainer which has as its only member an instance of mySubContainer. mySubContainer only has a string val as member. So I create a vector and fill it with some sample data. Now, what I want to do is: Iterate through the vector and make a separate function able to modify the current myMainContainer in the vector. However, the vector remains unchanged as the output tells: 0: Value before='foo' 0: Value after='foo' 1: Value before='bar' 1: Value after='bar' What am I doing wrong? doSomethingWith has to return void, I can't let it return the modified myMainContainer and then just overwrite it in the vector, that's why I tried to pass it by reference as seen in the doSomethingWith definition above.

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  • Excel: VLOOKUP that returns true or false?

    - by Svish
    In Excel we have the VLOOKUP function that looks for a value in a column in a table and then returns a value from a given column in that table if it finds something. If it doesn't, it produces an error. Is there a function that just returns true or false depending on if the value was found in a column or not?

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  • Magic Method __set() on a Instanciated Object

    - by streetparade
    Ok i have a problem, sorry if i cant explaint it clear but the code speaks for its self. i have a class which generates objects from a given class name; Say we say the class is Modules: public function name($name) { $this->includeModule($name); try { $module = new ReflectionClass($name); $instance = $module->isInstantiable() ? $module->newInstance() : "Err"; $this->addDelegate($instance); } catch(Exception $e) { Modules::Name("Logger")->log($e->getMessage()); } return $this; } The AddDelegate Method: protected function addDelegate($delegate) { $this->aDelegates[] = $delegate; } The __call Method public function __call($methodName, $parameters) { $delegated = false; foreach ($this->aDelegates as $delegate) { if(class_exists(get_class($delegate))) { if(method_exists($delegate,$methodName)) { $method = new ReflectionMethod(get_class($delegate), $methodName); $function = array($delegate, $methodName); return call_user_func_array($function, $parameters); } } } The __get Method public function __get($property) { foreach($this->aDelegates as $delegate) { if ($delegate->$property !== false) { return $delegate->$property; } } } All this works fine expect the function __set public function __set($property,$value) { //print_r($this->aDelegates); foreach($this->aDelegates as $k=>$delegate) { //print_r($k); //print_r($delegate); if (property_exists($delegate, $property)) { $delegate->$property = $value; } } //$this->addDelegate($delegate); print_r($this->aDelegates); } class tester { public function __set($name,$value) { self::$module->name(self::$name)->__set($name,$value); } } Module::test("logger")->log("test"); // this logs, it works echo Module::test("logger")->path; //prints /home/bla/test/ this is also correct But i cant set any value to class log like this Module::tester("logger")->path ="/home/bla/test/log/"; The path property of class logger is public so its not a problem of protected or private property access. How can i solve this issue? I hope i could explain my problem clear.

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  • Is there a Java data structure that is effectively an ArrayList with double indicies and built-in in

    - by Bob Cross
    I am looking for a pre-built Java data structure with the following characteristics: It should look something like an ArrayList but should allow indexing via double-precision rather than integers. Note that this means that it's likely that you'll see indicies that don't line up with the original data points (i.e., asking for the value that corresponds to key "1.5"). As a consequence, the value returned will likely be interpolated. For example, if the key is 1.5, the value returned could be the average of the value at key 1.0 and the value at key 2.0. The keys will be sorted but the values are not ensured to be monotonically increasing. In fact, there's no assurance that the first derivative of the values will be continuous (making it a poor fit for certain types of splines). Freely available code only, please. For clarity, I know how to write such a thing. In fact, we already have an implementation of this and some related data structures in legacy code that I want to replace due to some performance and coding issues. What I'm trying to avoid is spending a lot of time rolling my own solution when there might already be such a thing in the JDK, Apache Commons or another standard library. Frankly, that's exactly the approach that got this legacy code into the situation that it's in right now.... Is there such a thing out there in a freely available library?

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  • Rails toggling closest submit button in a form with radio buttons

    - by Timothy
    I have a bunch of forms listed in Rails like such <% parent.children.some_named_scope.each do |child| %> <% form_for :parent, parent do |f| %> <% current_value = child.column_to_set %> <% child.possible_values_for_column_to_set.each do |value| %> <% f.fields_for :children, child, :child_index => child.id.to_s do |child_form| %> <%= child_form.label :column_to_set, value.to_s.titleize, :value => value %> <%= child_form.radio_button, :column_to_set, value, :type => 'radio' %> <% end %> <% end %> <%= f.submit "Submit", :disabled => true %> <% end %> <% end %> How do I set the submit button's disabled to false, dynamically, when it is not current_value and set it to true when it is while the user clicks radio buttons?

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  • Template class + virtual function = must implement?

    - by sold
    This code: template <typename T> struct A { T t; void DoSomething() { t.SomeFunction(); } }; struct B { }; A<B> a; is easily compiled without any complaints, as long as I never call a.DoSomething(). However, if I define DoSomething as a virtual function, I will get a compile error saying that B doesn't declare SomeFunction. I can somewhat see why it happens (DoSomething should now have an entry in the vtable), but I can't help feeling that it's not really obligated. Plus it sucks. Is there any way to overcome this? EDIT 2: Okay. I hope this time it makes sence: Let's say I am doing intrusive ref count, so all entities must inherit from base class Object. How can I suuport primitive types too? I can define: template <typename T> class Primitive : public Object { T value; public: Primitive(const T &value=T()); operator T() const; Primitive<T> &operator =(const T &value); Primitive<T> &operator +=(const T &value); Primitive<T> &operator %=(const T &value); // And so on... }; so I can use Primitive<int>, Primitive<char>... But how about Primitive<float>? It seems like a problem, because floats don't have a %= operator. But actually, it isn't, since I'll never call operator %= on Primitive<float>. That's one of the deliberate features of templates. If, for some reason, I would define operator %= as virtual. Or, if i'll pre-export Primitive<float> from a dll to avoid link errors, the compiler will complain even if I never call operator %= on a Primitive<float>. If it would just have fill in a dummy value for operator %= in Primitive<float>'s vtable (that raises an exception?), everything would have been fine.

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  • Is JAXB Bug? please help me

    - by wd-shuang
    I take a scheme,its element definition as follow: I use xjb to export java file,xjb as follow: Java as: @XmlAccessorType(XmlAccessType.FIELD) @XmlType(name = "OriginalMessageContents1", propOrder = { "anyOne", "anyTwo" }) public class OriginalMessageContents1 { @XmlAnyElement protected Element anyOne; @XmlAnyElement protected Element anyTwo; public Element getAnyOne() { return anyOne; } public void setAnyOne(Element value) { this.anyOne = value; } public Element getAnyTwo() { return anyTwo; } public void setAnyTwo(Element value) { this.anyTwo = value; } When I unmashaller this object by using getAnyOne,I got the second element content;I got null by using getAnyTwo. It is a bug? Anybody can help me ? thanks all.

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  • splice() not working on correctly

    - by adardesign
    I am setting a cookie for each navigation container that is clicked on. It sets an array that is joined and set the cookie value. if its clicked again then its removed from the array. It somehow buggy. It only splices after clicking on other elements. and then it behaves weird. It might be that splice is not the correct method Thanks much. var navLinkToOpen; var setNavCookie = function(value){ var isSet = false; var checkCookies = checkNavCookie() setCookieHelper = checkCookies? checkCookies.split(","): []; for(i in setCookieHelper){ if(value == setCookieHelper[i]){ setCookieHelper.splice(value,1); isSet = true; } } if(!isSet){setCookieHelper.push(value)} setCookieHelper.join(",") document.cookie = "navLinkToOpen"+"="+setCookieHelper; } var checkNavCookie = function(){ var allCookies = document.cookie.split( ';' ); for (i = 0; i < allCookies.length; i++ ){ temp = allCookies[i].split("=") if(temp[0].match("navLinkToOpen")){ var getValue = temp[1] } } return getValue || false } $(document).ready(function() { $("#LeftNav li").has("b").addClass("navHeader").not(":first").siblings("li").hide() $(".navHeader").click(function(){ $(this).toggleClass("collapsed").nextUntil("li:has('b')").slideToggle(300); setNavCookie($('.navHeader').index($(this))) return false }) var testCookies = checkNavCookie(); if(testCookies){ finalArrayValue = testCookies.split(",") for(i in finalArrayValue){ $(".navHeader").eq(finalArrayValue[i]).toggleClass("collapsed").nextUntil(".navHeader").slideToggle (0); } } });

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