I’m trying to make a picture fit a JLabel. I wish to reduce the picture dimensions to something more appropriate for my Swing JPanel. I tried with setPreferredSize but it doesn’t work. I’m wondering if there is a simple way to do it? Should I scale the image for this purpose? Answer Outline …
ApplicationInfo metadata returning null
I have the following code: In the manifest: In the code: But the result is ai.metaData==null. Why is this happening Answer From the latest android doc, <meta-data> can be only contained in <activity>/<activity-alias>/<service>/ <receiver>. So you should append meta-data in these …
Eclipse plugin dev, how to stop HttpsURLConnection of poping up user/password window when I connect
JDK IBM 1.6 Eclipse 3.6.2 Connect to a server with following code. URL urlTemplate = new URL(uri); uc = (HttpURLConnection) urlTemplate.openConnection(); when connecting with wrong credential, it will pop up a window to enter correct credential as input, how to stop it? it seems to be built-in action and unab…
Getting JTextArea to display fixed-width font without antialiasing
Does anybody know how to get JTextArea to display a fixed size font on all platforms? I want to make a simple code editor with save/open functionality, which is simple enough, but I would like to get font to be fixed-size, preferably courier new. The problem is that courier new is proprietary apparently, and …
Is there a global Jackson setting for @JsonIgnoreProperties(unknown=true)?
Is there a global Jackson setting/configuration so that I do not have to annotate every class with @JsonIgnoreProperties(unknown=true)? Answer This should do the job: See the APIs for ObjectMapper and DeserializationFeature for more information.
How to put variable in OGNL tag
In this code questions is a list which contain questions object with In my program, I will make it appears in browser like The list may contain multiple question objects so I made it to show 5 question per page. My problem is (for example) the user may go from page 4 to page 2 and I want to refill
Can anyone explain me what is state and mutable data?
In computer science, functional programming is a programming paradigm that treats computation as the evaluation of mathematical functions and avoids state and mutable data. http://en.wikipedia.org/wiki/Functional_programming Can anyone explain me what is state and mutable data? Can anyone give me examples in …
Hibernate Error: a different object with the same identifier value was already associated with the session
I essentially have some objects in this configuration (the real data model is a bit more complex): A has a many-to-many relationship with B. (B has inverse=”true”) B has a many-to-one relationship with C. (I have cascade set to “save-update”) C is a kind of type/category table. Also, I…
Use Exchange Property in Camel DSL “to”
I want to set a property on a Camel Exchange and then use this property when saving the file. In my camel dsl I have the following: The file is being saved as: My processor is as follows: Any thoughts on what may be going wrong or how I can achieve this? Answer The to in the Camel is not
String.split() at a meta character +
I’m making a simple program that will deal with equations from a String input of the equation When I run it, however, I get an exception because of trying to replace the ” +” with a ” +” so i can split the string at the spaces. How should I go about using the string replaceAll me…