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Change Checkbox value without triggering onCheckChanged
...var listener: CompoundButton.OnCheckedChangeListener? = null
override fun setOnCheckedChangeListener(listener: CompoundButton.OnCheckedChangeListener?) {
this.listener = listener
super.setOnCheckedChangeListener(listener)
}
fun setChecked(checked: Boolean, alsoNotify: B...
Understanding :source option of has_one/has_many through of Rails
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How to select where ID in Array Rails ActiveRecord without exception
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Share variables between files in Node.js?
...rd remain local to a module.
see this article for further understanding - https://www.hacksparrow.com/global-variables-in-node-js.html
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Apply a function to every row of a matrix or a data frame
Suppose I have a n by 2 matrix and a function that takes a 2-vector as one of its arguments. I would like to apply the function to each row of the matrix and get a n-vector. How to do this in R?
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An example of how to use getopts in bash
...pecify strength, either 45 or 90.
h | *) # Display help.
$ ./foo.sh -s 123 -p any_string
Strength needs to be either 45 or 90, 123 found instead.
p is any_string
$ ./foo.sh -s 90 -p any_string
Strength is 90.
p is any_string
See: Small getopts tutorial at Bash Hackers Wiki
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Is there a way to define a min and max value for EditText in Android?
...ur edittext with android:inputType="number".
You can find more details at https://www.techcompose.com/how-to-set-minimum-and-maximum-value-in-edittext-in-android-app-development/.
Thanks.
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Ruby, remove last N characters from a string?
...diomatic (and I'd argue, even more readable than other answers here):
'abc123'.delete_suffix('123') # => "abc"
'abc123'.delete_suffix!('123') # => "abc"
It's even significantly faster (almost 40% with the bang method) than the top answer. Here's the result of the same benchmark:
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How can I convert a string to a number in Perl?
...
This is a simple solution:
Example 1
my $var1 = "123abc";
print $var1 + 0;
Result
123
Example 2
my $var2 = "abc123";
print $var2 + 0;
Result
0
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How to convert index of a pandas dataframe into a column?
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