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How to turn on front flash light programmatically in Android?
...string/permdesc_flashlight" />
Then make use of Camera and set Camera.Parameters. The main parameter used here is FLASH_MODE_TORCH.
eg.
Code Snippet to turn on camera flashlight.
Camera cam = Camera.open();
Parameters p = cam.getParameters();
p.setFlashMode(Parameters.FLASH_MODE_TORCH...
How to print binary tree diagram?
... String getText();
}
/**
* Print a tree
*
* @param root
* tree root node
*/
public static void print(PrintableNode root)
{
List<List<String>> lines = new ArrayList<List<String>>();
List<PrintableNo...
Use of Initializers vs Constructors in Java
....
Constructors are not inherited, though. (They only call super() [i.e. no parameters] implicitly or you have to make a specific super(...) call manually.)
This means it is possible that a implicit or exclicit super(...) call might not initialize the subclass as intended by the parent class.
Consi...
Changing names of parameterized tests
Is there a way to set my own custom test case names when using parameterized tests in JUnit4?
12 Answers
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Node.js - use of module.exports as a constructor
...quire('./my-object.js')("foobar") for short? Or does the require('module')(params) syntax for a different use case?
– Hampus Ahlgren
Dec 17 '14 at 14:26
1
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ruby on rails f.select options with custom attributes
...>
Which you can then parse in your controller:
@id, @currency_code = params[:country_id].split(':')
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ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus
...calls the bindingContext.UnvalidatedValueProvider.GetValue() method with a parameter that indicates if validation is required or not.
Unfortunately we can’t use any of the framework code because it’s sealed, private or whatever to protect ignorant devs from doing dangerous stuff, but it’s no...
Accessing last x characters of a string in Bash
... the space between : and -3 in the first form).
Please refer to the Shell Parameter Expansion in the reference manual:
${parameter:offset}
${parameter:offset:length}
Expands to up to length characters of parameter starting at the character
specified by offset. If length is omitted, expands to the...
Oracle PL/SQL - How to create a simple array variable?
...the advantage, that you also have a constructor at hand, e.g. for function param default initialization: sys.odcivarchar2list('val1','val2')
– Andreas Dietrich
Jun 28 '18 at 5:29
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How can you debug a CORS request with cURL?
...is too bright for white bg.
endColor='\033[0m'
#
# a colored message
# params:
# 1: l_color - the color of the message
# 2: l_msg - the message to display
#
color_msg() {
local l_color="$1"
local l_msg="$2"
echo -e "${l_color}$l_msg${endColor}"
}
#
# show the usage
#
usage() {
...