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Declare and initialize a Dictionary in Typescript
... Very helpful sample code. The "interface IDictionary" contains a small typo, as there is a reference to IPerson.
– mgs
Apr 9 '13 at 5:31
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How to implement OnFragmentInteractionListener
... HeadlinesFragment extends ListFragment {
OnHeadlineSelectedListener mCallback;
// Container Activity must implement this interface
public interface OnHeadlineSelectedListener {
public void onArticleSelected(int position);
}
@Override
public void onAttach(Activity a...
Question mark and colon in JavaScript
...
It is called the Conditional Operator (which is a ternary operator).
It has the form of: condition ? value-if-true : value-if-false
Think of the ? as "then" and : as "else".
Your code is equivalent to
if (max != 0)
hsb.s = 255 ...
How to check if object property exists with a variable holding the property name?
...atement would look like if (myObj[0]) which if myObj has any properties at all, the expresssion would evaluate to true. And myObj[0] may not be the property you are looking for.
– Matt R
Oct 26 '19 at 2:14
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How to make a edittext box in a dialog
...then what should I write ? I tried many answers, to set margin programmatically, but nothing worked :(
– Lucifer
Jun 6 '14 at 10:03
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show 1...
Programmatically create a UIView with color gradient
...
Objective-C:
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 50)];
CAGradientLayer *gradient = [CAGradientLayer layer];
gradient.frame = view.bounds;
gradient.colors = @[(id)[UIColor whiteColor].CGColor, (id)[UIColor blackColor].CGColor];
[v...
How to tell PowerShell to wait for each command to end before starting the next?
...
Normally, for internal commands PowerShell does wait before starting the next command. One exception to this rule is external Windows subsystem based EXE. The first trick is to pipeline to Out-Null like so:
Notepad.exe | Out-N...
How do I escape characters in c# comments?
...braries like charting, but not for in-house development where we work with all of the code. I'm sort of shocked that MSFT hasn't come up with a solution that supports developers better here. We have regions that dynamically expand/collapse code...why can't we have an in-place comment rendering tog...
Python - json without whitespaces
... indent=0 generates newlines, while indent=None (default) does not in 2.7. All is clearly stated at: docs.python.org/3/library/json.html#json.dump
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jul 28 '16 at 14:01
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What to do with “Unexpected indent” in python?
...e one before is not the start of a subblock (e.g. if/while/for statement). All lines of code in a block must start with exactly the same string of whitespace. For instance:
>>> def a():
... print "foo"
... print "bar"
IndentationError: unexpected indent
This one is especially commo...