converter

问题 I want to convert a powerpoint presentation to multiple images. I already installed LibreOffice on my server and converting docx to pdf is no problem. pptx to pdf conversion does not work. I used following command line: libreoffice --headless --convert-to pdf filename.pptx Is there es way to convert pptx to pngs immediately or do I have to convert it to pdf first and then use ghostscript or something? And what about the quality settings? Is there a way to choose the resolution of the

问题 This morning I had reason to try using multiple Converters on an inputText component and realized that this doesn't work. Does anyone who why JSF only allows a single Converter per ValueHolder? It seems that using a series of Converters would be elegant in several situations. 回答1: In JSF, the Converter interface is designed with the following sole purpose: Converter is an interface describing a Java class that can perform Object-to-String and String-to-Object conversions between model data

问题 I want to build a p:autocomplete for searching different objects from a entities. Like customer, article.... The searching works well and the entities will appear. But still the converter doesn´t work. Here my code: <p:autoComplete id="searchStartpage" size="35" maxlength="200" queryDelay="0" maxResults="10" minQueryLength="1" value="#{searchGeneralRequestController.selectedObject}" completeMethod="#{searchGeneralRequestController.completeObject}" var="o" itemLabel="#{object.id}" itemValue="#

问题 I would like to create a style that makes my cell's content green if positive, red if negative or black if 0. I know about converters and bindings, but is it possible to do this without naming the field the specific column is bound to (eg. I was to base on whatever is the cell's value)? <Style x:Key="GreenIfPositive" TargetType="DataGridCell" BasedOn="{StaticResource {x:Type DataGridCell}}"> <Style.Triggers> <DataTrigger Binding="{Binding, Converter={StaticResource

问题 Which is better to use performance wise? Limitation of Converter compared to trigger and vice verse. Shall I limit use of converter because it can cause class explosion? 回答1: If you are into TDD development, it will be better choice to go with converters. If there is no complex business logic or custom logic to be applied then go for Triggers. One more thing about the converters is that, there is a performance hit associated with using converters according to Laurent Bugnion (creator of MVVM

问题 In my app I would like to toggle the visibility of an item in a StackPanel. My Stackpanel contains an Image and a TextBlock. How would I properly use a BoolToVisibilityConverter to toggle the visibility of the TextBlock, and save this setting for the users benefit? Currently what I have is as follows, although I am getting a few errors. Important note, I need to use an ApplicationBar menu item as the click event that drives the toggling of the TextBox visibility. EDIT Error no longer

问题 I'm looking for a reliable way to convert a HAML template to an equivalent ERB/HTML template? Has anyone come across one? 回答1: I recommend you to use HAML2ERB service. It's really cool and generates valid ERB/HTML code! The benefits are: HTTPS - if you need some security for your markup; API - you could write the plugin or something else for your IDE; Simple - just put your HAML code to the textbox and click "Convert"; Project is active - the author is currently working on it. Project was

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 5 years ago . I need to convert HTML documents into valid XML, preferably XHTML. What's the best way to do this? Does anybody know a toolkit/library/sample/...whatever that helps me to get that task done? To be a bit more clear here, my application has to do the conversion automatically at runtime. I don't look for a tool

问题 I use this PHP class to convert XML to JSON:http://www.ibm.com/developerworks/library/x-xml2jsonphp/ For example for this XML: <?xml version="1.0" encoding="UTF-8"?> <searchResult> <status>OK</status> <users> <user> <userName>johndoe</userName> </user> <user> <userName>johndoe1</userName> <fullName>John Doe</fullName> </user> <user> <userName>johndoe2</userName> </user> <user> <userName>johndoe3</userName> <fullName>John Doe Mother</fullName> </user> <user> <userName>johndoe4</userName> <

问题 I use this PHP class to convert XML to JSON:http://www.ibm.com/developerworks/library/x-xml2jsonphp/ For example for this XML: <?xml version="1.0" encoding="UTF-8"?> <searchResult> <status>OK</status> <users> <user> <userName>johndoe</userName> </user> <user> <userName>johndoe1</userName> <fullName>John Doe</fullName> </user> <user> <userName>johndoe2</userName> </user> <user> <userName>johndoe3</userName> <fullName>John Doe Mother</fullName> </user> <user> <userName>johndoe4</userName> <