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• The Definitive C++ Book Guide and List

  - by grepsedawk

  After more than a few questions about deciding on C++ books I thought we could make a better community wiki version. Providing QUALITY books and an approximate skill level. Maybe we can add a short blurb/description about each book that you have personally read / benefited from. Feel free to debate quality, headings, etc. Note: There is a similar post for C: The Definitive C Book Guide and List Reference Style - All Levels The C++ Programming Language - Bjarne Stroustrup C++ Standard Library Tutorial and Reference - Nicolai Josuttis Beginner Introductory: C++ Primer - Stanley Lippman / Josée Lajoie / Barbara E. Moo Accelerated C++ - Andrew Koenig / Barbara Moo Thinking in C++ - Bruce Eckel (2 volumes, 2nd is more about standard library, but still very good) Best practices: Effective C++ - Scott Meyers Effective STL - Scott Meyers Intermediate More Effective C++ - Scott Meyers Exceptional C++ - Herb Sutter More Exceptional C++ - Herb Sutter C++ Coding Standards: 101 Rules, Guidelines, and Best Practices - Herb Sutter / Andrei Alexandrescu C++ Templates The Complete Guide - David Vandevoorde / Nicolai M. Josuttis Large Scale C++ Software Design - John Lakos Above Intermediate Modern C++ Design - Andrei Alexandrescu C++ Template Metaprogramming - David Abrahams and Aleksey Gurtovoy Inside the C++ Object Model - Stanley Lippman Classics / Older Note: Some information contained within these books may not be up to date and no longer considered best practice. The Design and Evolution of C++ - Bjarne Stroustrup Ruminations on C++ Andrew Koenig / Barbara Moo Advanced C++ Programming Styles and Idioms - James Coplien

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• WPF Toolkit DataGridCell Style DataTrigger

  - by KrisTrip

  I am trying to change the color of a cell to Yellow if the value has been updated in the DataGrid. My XAML: <toolkit:DataGrid x:Name="TheGrid" ItemsSource="{Binding}" IsReadOnly="False" CanUserAddRows="False" CanUserResizeRows="False" AutoGenerateColumns="False" CanUserSortColumns="False" SelectionUnit="CellOrRowHeader" EnableColumnVirtualization="True" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto"> <toolkit:DataGrid.CellStyle> <Style TargetType="{x:Type toolkit:DataGridCell}"> <Style.Triggers> <DataTrigger Binding="{Binding IsDirty}" Value="True"> <Setter Property="Background" Value="Yellow"/> </DataTrigger> </Style.Triggers> </Style> </toolkit:DataGrid.CellStyle> </toolkit:DataGrid> The grid is bound to a List of arrays (displaying a table of values kind of like excel would). Each value in the array is a custom object that contains an IsDirty dependency property. The IsDirty property gets set when the value is changed. When i run this: change a value in column 1 = whole row goes yellow change a value in any other column = nothing happens I want only the changed cell to go yellow no matter what column its in. Do you see anything wrong with my XAML?

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• Split WPF Style XAML Files

  - by anon

  Most WPF styles I have seen are split up into one very long Theme.xaml file. I want to split mine up for readability so my Theme.xaml looks like this: <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="/PresentationFramework.Aero;v3.0.0.0;31bf3856ad364e35;component/themes/aero.normalcolor.xaml"/> <ResourceDictionary Source="Controls/Brushes.xaml"/> <ResourceDictionary Source="Controls/Buttons.xaml"/> ... </ResourceDictionary.MergedDictionaries> </ResourceDictionary> The problem is that this solution does not work. I have a default button style which is BasedOn the default Aero style for a button: <Style x:Key="{x:Type Button}" TargetType="{x:Type Button}" BasedOn="{StaticResource {x:Type Button}}"> <Setter Property="FontSize" Value="14"/> ... </Style> If I place all of this in one file it works but as soon as I split it up I get StackOverflow exceptions because it thinks it is BasedOn itself. Is there a way around this? How does WPF add resources when merging resource dictionaries?

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• CSS: Style applied to a combination of classes?

  - by Eli

  Hi All, I'm not sure this is possible, but is there a syntax to be used in CSS when you want to style an element based on the combination of classes applied to it? I understand that I can check an element with jQuery or something and change it's style based on the classes it has, but is there a pure CSS way to do this? For example, if I have a class for bold and green: .bold_green { color:green; font-weight:bold; } And a class for bold and blue: .bold_blue { color:green; font-weight:bold. } Now, say I am using jQuery to add and remove classes dynamically and want any element that has both classes to turn italic pink. Something like: .bold_green AND .bold_blue { color:pink; font-style:italic; } Or, if I want to style an element that has aclass, and is a descendant of another element that has another class? Something like: .bold_green HAS_CHILD .bold_blue { color:black; background-color:yellow; } Thanks!

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• Setting style on first and last visible TabItem of TabControl

  - by Donnelle

  I want to set a style on the first and last TabItems in a TabControl, and have them updated as the visibility of the TabItems is changed. I can't see a way to do so with triggers. What we're after looks like this: | | And the visibility of TabItems are determined by binding. I do have it working in code. On TabItem visibility changed, enumerate through TabItems until you find the first visible one. Set the style on that one. For all other visible TabItems, set them to the pointy style (so that the previously first visible one is now pointy). Then start from the end until you find a visible TabItem and set the last style on that one. (This also lets us address an issue with TabControl where it will display the content of a non-visible TabItem if none of the visible TabItems are selected.) There's undoubtably improvements I could make to my method, but I'm not convinced that it IS the right approach. How would you approach this?

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• UI Automation Button Style Enabled

  - by Victor Gaspar

  Hi, I'm evaluating UI Automation for UI testing for that I have a WPF application with the following button defined: <Button Style="{DynamicResource ButtonStyle}" x:Name="MyBtn"/> when I need to visually disable the button I just change the style so the user is aware that the button is disabled (the colour changed) but still the button is internally enabled so I can still launch the OnClick event in order to show a message when the user clicks on a "disabled" button. Now the problem is that I don't know how to check from UI Automation the Style that its currently applied i.e. if the button is disabled or enabled. Do you know how can I do that? In a normal situation I should do something like that: Automation.Condition cEBtn = new PropertyCondition(AutomationElement.AutomationIdProperty, "MyBtn"); AutomationElement mybtnElement = appRegraceElement.FindFirst(TreeScope.Children, cEBtn); bool disMyBtn = (bool)mybtnElement .GetCurrentPropertyValue(AutomationElement.IsEnabledProperty); but in my case the button is always enabled therefore I need to check the Style applied to the button. Thank you very much. Best regards

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• Non-wiki CMS for an online user guide

  - by Russell Leggett

  For a large web application I'm building, I need to create an extensive user guide. The first thought was a wiki, but what I've seen lacks the ease of customization I've seen in CMSs, and has a lot of extra features I don't need. The number of users editing the document is small and closed, but it needs to be editable by non-technical users. The number of pages will likely be between 50-100. It also needs to be searchable. It would also be a plus if it had nice readable urls to link to from our web app. Right now, my best guess is WordPress, but that seems a lot more geared towards blogging with just a handful of pages, than having several pages, and possibly no blogs. There isn't a language requirement, although we have the most experience with Java and PHP. We aren't looking to have to do any major coding other than customizing for visuals, so hopefully the language will not be too important. Again, I'm not looking for the best general purpose CMS, just something that would be easiest for a user guide.

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• Apply CSS style to anchor problem

  - by Jake

  Using jquery I have a clicking tab mechanism that are nothing but anchor tags that return false but call javascript functions to run some events on the page. The problem is I am using jquery to apply an opacity style to the active anchor. and the other sibling anchor get a lesser opacity view. My code looks like this $("#menutab li a").click(function(){ $(this).animate({opacity:'1'},1000); $(this).siblings().animate({opacity:'.25'},1000); } I would think this code would act only on the clicked element and apply that css style to that element and the other style to the other anchor tags except the clicked one. It kind of does that, but also what it does is leave the earlier clicked element to opacity =1, so if I click an element it sets it opacity to 1 and then if I click another one it sets it opacity to 1 while leave the earlier clicked one to 1 also instead of setting it to .25 like the others. Edit: I changed the above code to: $("#menutab ul li").click(function(){ $(this).children().animate({opacity:'1'},1000); $(this).siblings().children().animate({opacity:'.25'},1000); }); and now I get the desired effect, except that when the first anchor in the list is clicked doesn't follow the event rules, When the first one is clicked its as if, the click event is not triggered, because no opacity style changes. which I don't understand.

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• WPF Buttons Style

  - by Polaris

  I have WPF Form which has many buttons with the same code. Appearance of all buttons must be the same For example, code for one of these buttons <Button x:Name="btnAddRelative" Width="120" Click="btnAddRelative_Click" > <Button.Content> <StackPanel Orientation="Horizontal"> <Image Height="26" HorizontalAlignment="Left"> <Image.Source> <BitmapImage UriSource="images/add.png" /> </Image.Source> </Image> <TextBlock Text=" Add Relative" Height="20" VerticalAlignment="Center"/> </StackPanel> </Button.Content> </Button> How can I create one style and use it for all my buttons. All buttons has the same png image, only their text different. How can I do this. I tried to do this with Style object in Resource Section: <UserControl.Resources> <Style TargetType="Button" x:Key="AddStyle"> <Setter Property="Content"> <Setter.Value> <StackPanel Orientation="Horizontal"> <Image Height="26" HorizontalAlignment="Left"> <Image.Source> <BitmapImage UriSource="images/add.png" /> </Image.Source> </Image> <TextBlock Text=" " Height="20" VerticalAlignment="Center"/> </StackPanel> </Setter.Value> </Setter> </Style> </UserControl.Resources> But this code not work. Can any body know how can I do this?

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• Style for eclipse not working

  - by KentZhou

  I create a style in resource dictionary file as below for silverlight app: <Style x:Key="YesStyle" TargetType="Ellipse"> <Setter Property="Stroke" Value="Black"/> <Setter Property="Height" Value="14"/> <Setter Property="Width" Value="14"/> <Setter Property="HorizontalAlignment" Value="Left"/> <Setter Property="Margin" Value="0,-220,0,0"/> <Setter Property="VerticalAlignment" Value="Top"/> <Setter Property="Fill"> <Setter.Value> <LinearGradientBrush EndPoint="0.942,0.239" StartPoint="0.078,0.776"> <GradientStop Color="#FFFFFFFF"/> <GradientStop Color="#FFFC0E06" Offset="0.035"/> <GradientStop Color="#FFE8EBF0" Offset="1"/> </LinearGradientBrush> </Setter.Value> </Setter> </Style> then use it in user control as below: <Ellipse Style="{StaticResource YesStyle}" /> When run the app, nothing comes out. no error. Why?

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• how to set style through javascript in IE immediately

  - by rezna

  Hi, recently I've encountered a problem with IE. I have a function function() { ShowProgress(); DoSomeWork(); HideProgress(); } where ShowProgress and HideProgress just manipulate the 'display' CSS style using jQuery's css() method. In FF everything is OK, and at the same time I change the display property to block, progress-bar appears. But not in IE. In IE the style is applied, once I leave the function. Which means it's never shown, because at the end of the function I simply hide it. (if I remove the HideProgress line, the progress-bar appears right after finishing executing the function (more precisely, immediately when the calling functions ends - and so there's nothing else going on in IE)). Has anybody encountered this behavior? Is there a way to get IE to apply the style immediately? I've prepared a solution but it would take me some time to implement it. My DoSomeWork() method is doing some AJAX calls, and these are right now synchronous. I assume that making them asynchronous will kind of solve the problem, but I have to redesign the code a bit, so finding a solution just for applying the style immediately would much simplier. Thanks rezna

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• Span with white-space style in IE (7) applied _past_ end of span

  - by WaldenL

  We've got an application where users can enter "notes" into a rich edit control (Telerik's RedEditor, but that doesn't matter here). We had a user enter notes from w/in Safari that had a <span></span> in the middle of the note, and that span had a style on it specifying white-space:pre The HTML of the note was in the form of: <div> This is a note <span class="Apple-tab-span" style="white-space: pre; "> </span> and here's more of the note. </div> Simple enough, the style should apply to the span, and the span had 4 spaces in it. There should have been 4 spaces in the resulting output. Here's the problem. IE seems to apply that white-space: pre; style not only to the span, but to the enclosing div! Therefore, this long line that should have wrapped since it's not in the span, now pushed the document out until the line fits on the page. What am I missing. I know IE has problems, but this doesn't seem right, even for IE. So, the question(s): 1) Am I correct that the white-space attribute should only have applied to the span? 2) Can this be resolved somehow? Remember, I'm not in control of the content being entered. And it's entered from a mac w/Safari and being viewed in IE. Edit: The doctype on the page in question is: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

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• Change style of text field based on the selection of a combo box using Javascript

  - by baldwingrand

  I would like to change the style of a text field based on the value selected in a combo box. Specifically, what I'd like to do is make the txtDepartment field gray and marked as "read only" if the option value selected in cboSource is 1. I've tried the code below, but I imagine my style code at least is wrong, if not other things. Any help appreciated. Thanks! <select name="cboSource" id="cboSource" onClick="displayDepartment(this);"> <option value = 1>Source 1</option> <option value = 2>Source 2</option> </select> <input name="txtDepartment" type="text" id="txtDepartment" size="6" maxlength="6"></p> <script> function displayDepartment(obj) { var selectedValue = obj.value; var txtDepartment = document.getElementById("txtDepartment"); if (selectedValue == "1") { txtDepartment.style.display = "Disabled style='background-color:#E8E8E8'"; } } </script>

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• style ul with width to accommodate items

  - by Tallmaris

  Sorry I could not find a similar answer on SO. I have the following markup (generated by jquery ui autocomplete but this is not the issue here) <ul style="z-index: 1; display: block; border: thin solid red; width: 200px;"> <li> <a> <div style="font-size: 0.85em;"> <span style="float: right; padding-left: 10px; color: gray;"> United Kingdom </span> <span style="">text text text text text</span> </div> </a> </li> </ul> As you can see in this fiddle: http://jsfiddle.net/fVr8P/2/ the text wraps because the width is limited and the country span is "floating". What I would like would be for the width to enlarge to accommodate the full length, but if I put width: auto; it will expand to 100%. Background The ul is of course coming from jquery ui autocomplete. I am styling the results a bit using the autocomplete.html extension. Problem is that everything is working ok in firefox an chrome because the autocomplete is set to the correct width on creation. in IE this does not happen (width is too small) so the text wraps. I am hping to come to a simple css only solution, without fiddling around in jQuery.

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• WPF Window Style not working at runtime

  - by Christian Pena

  Hi, I created a WPF application in Visual Studio 2010 Express (C#) and added the text below to the Application.Resources in App.xaml. I see the style applied to the window in the designer, but when I run the application, the window background is white. Running in Windows XP on BootCamp on a MacBook Pro if that is a factor. Thanks in advance, Christian <Style TargetType="{x:Type Window}"> <Setter Property="Background"> <Setter.Value> <LinearGradientBrush StartPoint="0,0" EndPoint="0,1"> <GradientStop Offset="0" Color="WhiteSmoke" /> <GradientStop Offset="1" Color="Silver" /> </LinearGradientBrush> </Setter.Value> </Setter> <Setter Property="Padding" Value="20" /> </Style>

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• Wpf combobox selection change breaks Datatrigger

  - by biju

  Hi, I am trying to set the selected value of a combobox from a style trigger.It works as long as we dont manually change any value in the combobox.But it stops working altogether after manually changing the selection.How can i solve this.A sample code is attached.Please do help <Window x:Class="InputGesture.Window2" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:InputGesture" Title="Window2" Height="300" Width="300" Name="Sample"> <Window.Resources> <Style TargetType="{x:Type ComboBox}"> <Setter Property="ComboBox.SelectedValue" Value="1"/> <Style.Triggers> <DataTrigger Binding="{Binding ElementName=chk,Path=IsChecked}" Value="True"> <Setter Property="ComboBox.IsEnabled" Value="False"/> <Setter Property="ComboBox.SelectedValue" Value="2"/> </DataTrigger> </Style.Triggers> </Style> </Window.Resources> <StackPanel> <CheckBox Name="chk" Height="23"/> <ComboBox Name="cmb" Height="23" DisplayMemberPath="Name" SelectedValuePath="Id" ItemsSource="{Binding ElementName=Sample,Path=DT}"> </ComboBox> <Button Height="23" Click="Button_Click"/> </StackPanel> </Window>

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• Dynamically resizing CMFCPropertySheet with PropSheetLook_OneNoteTabs style

  - by Ryan

  Hi everybody, I'm trying to resize dynamically a CMFCPropertySheet to add a custom control at the bottom of each page. As all Property Pages are not of the same height, I have a mechanism to increase the size if necessary. For this, I have overridden the OnActivatePage method and by using SetWindowPos, I can resize the sheet, first, then the tab control, then the page and finally I can move the OK/Cancel/Help buttons. It works fine with PropSheetLook_OutlookBar and PropSheetLook_Tabs styles but not with PropSheetLook_OneNoteTabs style. The page (or the tab) is not correctly resized (the lighter grey color of the page does not fill the sheet. OneNote style Outlook style Any idea? A MFC Feature Pack bug?

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• HTML <select> selected option background-color CSS style

  - by arieltools

  Is there a style for a select option's "selected" color? For example: <HTML> <BODY> <FORM NAME="form1"> <SELECT NAME="mySelect" SIZE="7" style="background-color:red;"> <OPTION>Test 1 <OPTION>Test 2 <OPTION>Test 3 <OPTION>Test 4 <OPTION>Test 5 <OPTION>Test 6 <OPTION>Test 7 </SELECT> </FORM> </BODY> </HTML> When I select an option it turns blue, I want to override this and make it a different color. In the style I expected something like "selected-color", but it doesn't exist.

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• Master Data Management Implementation Styles

  - by david.butler(at)oracle.com

  In any Master Data Management solution deployment, one of the key decisions to be made is the choice of the MDM architecture. Gartner and other analysts describe some different Hub deployment styles, which must be supported by a best of breed MDM solution in order to guarantee the success of the deployment project.   Registry Style: In a Registry Style MDM Hub, the various source systems publish their data and a subscribing Hub stores only the source system IDs, the Foreign Keys (record IDs on source systems) and the key data values needed for matching. The Hub runs the cleansing and matching algorithms and assigns unique global identifiers to the matched records, but does not send any data back to the source systems. The Registry Style MDM Hub uses data federation capabilities to build the "virtual" golden view of the master entity from the connected systems.   Consolidation Style: The Consolidation Style MDM Hub has a physically instantiated, "golden" record stored in the central Hub. The authoring of the data remains distributed across the spoke systems and the master data can be updated based on events, but is not guaranteed to be up to date. The master data in this case is usually not used for transactions, but rather supports reporting; however, it can also be used for reference operationally.   Coexistence Style: The Coexistence Style MDM Hub involves master data that's authored and stored in numerous spoke systems, but includes a physically instantiated golden record in the central Hub and harmonized master data across the application portfolio. The golden record is constructed in the same manner as in the consolidation style, and, in the operational world, Consolidation Style MDM Hubs often evolve into the Coexistence Style. The key difference is that in this architectural style the master data stored in the central MDM system is selectively published out to the subscribing spoke systems.   Transaction Style: In this architecture, the Hub stores, enhances and maintains all the relevant (master) data attributes. It becomes the authoritative source of truth and publishes this valuable information back to the respective source systems. The Hub publishes and writes back the various data elements to the source systems after the linking, cleansing, matching and enriching algorithms have done their work. Upstream, transactional applications can read master data from the MDM Hub, and, potentially, all spoke systems subscribe to updates published from the central system in a form of harmonization. The Hub needs to support merging of master records. Security and visibility policies at the data attribute level need to be supported by the Transaction Style hub, as well.   Adaptive Transaction Style: This is similar to the Transaction Style, but additionally provides the capability to respond to diverse information and process requests across the enterprise. This style emerged most recently to address the limitations of the above approaches. With the Adaptive Transaction Style, the Hub is built as a platform for consolidating data from disparate third party and internal sources and for serving unified master entity views to operational applications, analytical systems or both. This approach delivers a real-time Hub that has a reliable, persistent foundation of master reference and relationship data, along with all the history and lineage of data changes needed for audit and compliance tracking. On top of this persistent master data foundation, the Hub can dynamically aggregate transaction data on demand from different source systems to deliver the unified golden view to downstream systems. Data can also be accessed through batch interfaces, published to a message bus or served through a real-time services layer. New data sources can be readily added in this approach by extending the data model and by configuring the new source mappings and the survivorship rules, meaning that all legacy data hubs can be leveraged to contribute their records/rules into the new transaction hub. Finally, through rich user interfaces for data stewardship, it allows exception handling by business analysts to keep it current with business rules/practices while maintaining the reliability of best-of-breed master records.   Confederation Style: In this architectural style, several Hubs are maintained at departmental and/or agency and/or territorial level, and each of them are connected to the other Hubs either directly or via a central Super-Hub. Each Domain level Hub can be implemented using any of the previously described styles, but normally the Central Super-Hub is a Registry Style one. This is particularly important for Public Sector organizations, where most of the time it is practically or legally impossible to store in a single central hub all the relevant constituent information from all departments.   Oracle MDM Solutions can be deployed according to any of the above MDM architectural styles, and have been specifically designed to fully support the Transaction and Adaptive Transaction styles. Oracle MDM Solutions provide strong data federation and integration capabilities which are key to enabling the use of the Confederated Hub as a possible architectural style approach. Don't lock yourself into a solution that cannot evolve with your needs. With Oracle's support for any type of deployment architecture, its ability to leverage the outstanding capabilities of the Oracle technology stack, and its open interfaces for non-Oracle technology stacks, Oracle MDM Solutions provide a low TCO and a quick ROI by enabling a phased implementation strategy.

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• silverlight DataGrid style

  - by Piyush

  my Datagrid is: <data:DataGrid x:Name="dgSearchResults" Style="{StaticResource dgStyle}" Grid.Row="1" ColumnHeaderStyle="{StaticResource dgHeaderStyle}" > I have defined styles in my App.xaml file: <Style x:Key="dgStyle" TargetType="data:DataGrid"> <Setter Property="Background" Value="White"/> <Setter Property="RowBackground" Value="#FFF6F6F6"/> <Setter Property="Foreground" Value="#FF3A3B3B"/> <Setter Property="FontFamily" Value="Verdana"/> <Setter Property="FontSize" Value="13.333"/> </Style> EXCEPTION-- Invalid attribute value data:DataGrid for property TargetType. [Line: 61 Position: 43]

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• How to use Fluent style syntactic sugar with c# property declaration

  - by Thomas

  i never use fluent style code before. so first time i tried to develop Fluent style with c# property declaration but getting error. can any one help me. public class MailTemplate { string _MailBody = ""; public MailTemplate MailBody { get { return _MailBody; } set { _MailBody = value ; } } string _Subject = ""; public MailTemplate Subject { get { return _Subject; } set { _Subject = value; } } string _MailFrom = ""; public MailTemplate MailFrom { get { return _MailFrom; } set { _MailFrom = value; } } } please help me how could assign or initialize mail body and later also can read with same property name. i think proeprty can not be use in case of fluent style development. need some light here. thanks

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• Disable a style in VCL application

  - by Martin

  I am adding the a VCL style into my application but am also giving the users an option to turn this off but I cannot figure out how to do this globally at runtime. Setting "TStyleManager.AutoDiscoverStyleResources := false" almost works but it pops up with an error message saying "Style {style set} not found" but after dismissing the message does exactly what I want. This code I would expect to work but does not... if (not ParamObj.UseDarkStyle) then begin //TStyleManager.AutoDiscoverStyleResources := false; TStyleManager.SetStyle(TStyleManager.SystemStyle); end; I also tried (originally) TStyleManager.TrySetStyle('Windows'); but this also does not work. I have tried this both sides of "Application.Initialize;" with no difference What am I missing? Thanks in advance, Martin

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• Ruby module_function, invoking module's private method, invoked in class method style on module shows error

  - by Jignesh

  test_module.rb module MyModule def module_func_a puts "module_func_a invoked" private_b end module_function :module_func_a private def private_b puts "private_b invoked" end end class MyClass include MyModule def test_module module_func_a end end Invoking module function from class c = MyClass.new c.test_module Output 1: $ ruby test_module.rb module_func_a invoked private_b invoked Invoking module function on module in class method style ma = MyModule.module_func_a Output 2: module_func_a invoked test_module.rb:5:in `module_func_a': undefined local variable or method `private_b' for MyModule:Module (NameError) from test_module.rb:31 As can be seen from the Output 1 and Output 2 when including the module in a class, no issue occurs when a module's private method gets invoked from a module function while in case when directly invoking the module function on the module in class method style the module's private method, invoked from module function, is not found. Can anybody make me understand the reason behind above behavior and whether invoking module function (which in turn invokes module's private method) on module in class method style is possible or not? If possible, then what rectifications are required in my code to do the same? Thanks, Jignesh

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• Jquery css: applying !important styles

  - by mkoryak

  I am having trouble applying a style that is !important. Ive tried: $("#elem").css("width", "100px !important"); This does nothing, no width style whatsoever is applied. Is there a jquery-ish way of applying such a style without having to overwrite cssText (which would mean id need to parse it first etc)

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• Apply CSS Style on all elements except with a SPECIFIC ID

  - by Rajesh Paul

  CSS Code(what I need) <style> div[id!='div1']// I actually needed an inequality operator for NOT EQUAL TO { font-size:40px; } </style> HTML code <body> <div>abc</div> <div>def</div> <div id='div1'>ghi</div> </body> The CSS didn't work as I intended. I actually wanted to define the style for all <div>-elements except the one with id='div1'. How can I do that?

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