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How to tell Jackson to ignore a field during serialization if its value is null?
...ample is available in my answer to How to prevent null values inside a Map and null fields inside a bean from getting serialized through Jackson.
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How to use OrderBy with findAll in Spring Data
I am using spring data and my DAO looks like
7 Answers
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Show percent % instead of counts in charts of categorical variables
I'm plotting a categorical variable and instead of showing the counts for each category value.
8 Answers
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How can I setup & run PhantomJS on Ubuntu?
I set up PhantomJS and recorded it to video: https://www.dailymotion.com/video/xnizmh_1_webcam
25 Answers
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How do I URl encode something in Node.js?
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This is better for encoding JSON objects and POST-ing them.
– Alex W
Dec 20 '15 at 16:53
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error upon assigning Layout: BoxLayout can't be shared
...d to the ContentPane so it will look like it's 'shared' between the JFrame and the ContentPane
Do this instead:
JFrame frame = new JFrame();
frame.setLayout(new BoxLayout(frame.getContentPane(), BoxLayout.Y_AXIS));
frame.add(new JLabel("Hello World!"));
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Changing API level Android Studio
I want to change the minimum SDK version in Android Studio from API 12 to API 14. I have tried changing it in the manifest file, i.e.,
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Multiple ModelAdmins/views for same model in Django admin
...e more than one ModelAdmin for the same model, each customised differently and linked to different URLs?
2 Answers
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Use curly braces to initialize a Set in Python
I'm learning python, and I have a novice question about initializing sets. Through testing, I've discovered that a set can be initialized like so:
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Automatically enter SSH password with script
... passed.
Using -f prevents the password from being visible if the ps command is executed.
The file that the password is stored in should have secure permissions.
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