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C++: What is the size of an object of an empty class?
...uld be the size of an object of an empty class . It surely could not be 0 bytes since it should be possible to reference and point to it like any other object. But, how big is such an object?
...
iOS: Multi-line UILabel in Auto Layout
...and autolayout should handle the rest.
[label setPreferredMaxLayoutWidth:200.0];
See the UILabel documentation on preferredMaxLayoutWidth.
Update:
Only need to set the height constraint in storyboard to Greater than or equal to, no need to setPreferredMaxLayoutWidth.
...
How to create a bash script to check the SSH connection?
...h -q user@downhost exit
$ echo $?
255
$ ssh -q user@uphost exit
$ echo $?
0
EDIT: Another approach would be to use nmap (you won't need to have keys or login-stuff):
$ a=`nmap uphost -PN -p ssh | grep open`
$ b=`nmap downhost -PN -p ssh | grep open`
$ echo $a
22/tcp open ssh
$ echo $b
(empty st...
Using semicolon (;) vs plus (+) with exec in find
...
260
This might be best illustrated with an example. Let's say that find turns up these files:
file1...
Can scripts be inserted with innerHTML?
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edited Mar 25 '13 at 0:33
Travis J
74.9k3737 gold badges177177 silver badges244244 bronze badges
an...
Delete files older than 3 months old in a directory using .NET
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answered Feb 8 '10 at 14:57
Steve DannerSteve Danner
20.3k77 gold badges3333 silver badges4848 bronze badges
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How to delete a stash created with git stash create?
...
404
To delete a normal stash created with git stash , you want git stash drop or git stash drop sta...
Convert int to string?
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edited Mar 14 at 1:20
answered Jun 21 '10 at 3:15
Ant...
JavaScript: remove event listener
... variable needs to be outside the handler to increment.
var click_count = 0;
function myClick(event) {
click_count++;
if(click_count == 50) {
// to remove
canvas.removeEventListener('click', myClick);
}
}
// to add
canvas.addEventListener('click', myClick);
EDIT: You...
How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...cause it is private.
Edit: construct_finder_sql was removed in Rails 5.1.0.beta1.
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