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What is object slicing?
Someone mentioned it in the IRC as the slicing problem.
18 Answers
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How can I use threading in Python?
I am trying to understand threading in Python. I've looked at the documentation and examples, but quite frankly, many examples are overly sophisticated and I'm having trouble understanding them.
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How to quickly clear a JavaScript Object?
With a JavaScript Array, I can reset it to an empty state with a single assignment:
8 Answers
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Scale image to fit a bounding box
...o this.
The reason is that CSS does not know what the page looks like. It sets rules beforehand, but only after that it is that the elements get rendered and you know exactly what sizes and ratios you're dealing with. The only way to detect that is with JavaScript.
Although you're not looking fo...
Read each line of txt file to new array element
...e path & name of your file, eg. ../filename.txt.
Depending how you've set up your text file, you'll have might have to play around with the \n bit.
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How do you add multi-line text to a UIButton?
...tleLabel.textAlignment = NSTextAlignmentCenter; // if you want to
[button setTitle: @"Line1\nLine2" forState: UIControlStateNormal];
For iOS 5 and below use the following to allow multiple lines:
button.titleLabel.lineBreakMode = UILineBreakModeWordWrap;
// you probably want to center it
button....
Laravel Eloquent groupBy() AND also return count of each group
...s, a column of browser versions. And I simply want to know from the record-set, how many of each type of browser there are. So, I need to end up with something like this: Total Records: 10; Internet Explorer 8: 2; Chrome 25: 4; Firefox 20: 4. (All adding up to 10)
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How to print to the console in Android Studio?
...ork, you can always see the output in the Android Monitor.
Make sure to set your filter to Show only selected application or create a custom filter.
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Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...Restart the server
$ sudo service postgresql restart
Login into psql and set your password
$ psql -U postgres
db> ALTER USER postgres with password 'your-pass';
Finally change the pg_hba.conf from
local all postgres trust
to
local all ...
Detect if a page has a vertical scrollbar?
...expands further than the viewport. If the overflow property of the body is set to hidden somewhere along the line, it won't work. Setting hidden on a body is extremely rare, though.
– Pekka
Jan 27 '10 at 12:57
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