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Convert JSON String to Pretty Print JSON output using Jackson
...t as Object, like:
Object json = mapper.readValue(input, Object.class);
and then write it out with indentation:
String indented = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(json);
this avoids your having to define actual POJO to map data to.
Or you can use JsonNode (JSON Tree)...
How do I set the value property in AngularJS' ng-options?
...This syntax is kind of an extended version of Python's list comprehensions and knowing that helps me to remember the syntax very easily. It's something like this:
Python code:
my_list = [x**2 for x in [1, 2, 3, 4, 5]]
> [1, 4, 9, 16, 25]
# Let people to be a list of person instances
my_list2 =...
How to right align widget in horizontal linear layout Android?
This is the code I am using and it is not working:
18 Answers
18
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If statement in aspx page
... { %>
some html
<% } %>
2) Wrap the parts in a Panel control and in codebehind use the if statement to set the Visible property of the Panel.
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Why do this() and super() have to be the first statement in a constructor?
...ct those args inline as you are doing, or pass them in to your constructor and then pass them to super:
public MySubClassB extends MyClass {
public MySubClassB(Object[] myArray) {
super(myArray);
}
}
If the compiler did not enforce this you could do this:
public M...
Why is it bad style to `rescue Exception => e` in Ruby?
...
TL;DR: Use StandardError instead for general exception catching. When the original exception is re-raised (e.g. when rescuing to log the exception only), rescuing Exception is probably okay.
Exception is the root of Ruby's exception hi...
What's the difference between unit, functional, acceptance, and integration tests? [closed]
What is the difference between unit, functional, acceptance, and integration testing (and any other types of tests that I failed to mention)?
...
App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网
...有限的物联网设备进行通信的首选。BluetoothLE 扩展需要 Android 5.0 或更高版本。
2种通信方式：扫描和广播
扫描
详细接入步骤：
开始扫描 -> 获取BLE设备列表 -> 连接指定设备（也可指定MAC地址连接）-> 设备指定服务uuid和特征...
How can I get this ASP.NET MVC SelectList to work?
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nice. I've added a selected Func, a defaultValue option and a second overload without any defaults to specify and this works a treat. By the way if you want to make the return type IEnumerable<SelectListItem> you can use the yield return syntax to make this look really clea...
How can strings be concatenated?
...atenating less than 15 strings but he recommends the other techniques: joinand %. (this current comment is just to confirm the @tonfa's comment above). Cheers ;)
– olibre
Nov 12 '13 at 13:06
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