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java: ArrayList - how can i check if an index exists?
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edited May 19 '18 at 8:10
Naveed Ahmad
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answered...
How to use int.TryParse with nullable int? [duplicate]
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answered Aug 2 '10 at 18:44
Jon SkeetJon Skeet
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How in node to split string by newline ('\n')?
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answered Feb 20 '14 at 0:03
maericsmaerics
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How to hide soft keyboard on android after clicking outside EditText?
...eSoftInputFromWindow(
activity.getCurrentFocus().getWindowToken(), 0);
}
You can put this up in a utility class, or if you are defining it within an activity, avoid the activity parameter, or call hideSoftKeyboard(this).
The trickiest part is when to call it. You can write a method that i...
How can I convert an image into Base64 string using JavaScript?
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10
This approach fails in the case of CORS violation. Apart from that, this solution should address the question.
– Revan...
What is the difference between '/' and '//' when used for division?
... Python 2.x to adopt the 3.x behavior.
Regardless of the future import, 5.0 // 2 will return 2.0 since that's the floor division result of the operation.
You can find a detailed description at https://docs.python.org/whatsnew/2.2.html#pep-238-changing-the-division-operator
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How can I mask a UIImageView?
... = (id)[[UIImage imageNamed:@"mask.png"] CGImage];
mask.frame = CGRectMake(0, 0, <img_width>, <img_height>);
yourImageView.layer.mask = mask;
yourImageView.layer.masksToBounds = YES;
For Swift 4 and plus follow code below
let mask = CALayer()
mask.contents = [ UIImage(named: "right_c...
What is difference between instantiating an object using new vs. without
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The line:
Time t (12, 0, 0);
... allocates a variable of type Time in local scope, generally on the stack, which will be destroyed when its scope ends.
By contrast:
Time* t = new Time(12, 0, 0);
... allocates a block of memory by calling eit...
Format a datetime into a string with milliseconds
...me('%Y-%m-%d %H:%M:%S.%f')[:-3]
>>>> OUTPUT >>>>
2020-05-04 10:18:32.926
Note: For Python3, print requires parentheses:
print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
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How to change the height of a ?
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Css:
br {
display: block;
margin: 10px 0;
}
The solution is probably not cross-browser compatible, but it's something at least. Also consider setting line-height:
line-height:22px;
For Google Chrome, consider setting content:
content: " ";
Other than t...