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Using FileSystemWatcher to monitor a directory
...s. The program was trying to open a file that was still copying. I removed all of the notify filters except for LastWrite.
private void watch()
{
FileSystemWatcher watcher = new FileSystemWatcher();
watcher.Path = path;
watcher.NotifyFilter = NotifyFilters.LastWrite;
watcher.Filter = "*.*";...
Controlling the screenshot in the iOS 7 multitasking switcher
...ome information regarding the new multitasking switcher in iOS 7 and especially the screenshot that the OS takes when the app is going into hibernation.
...
UUID max character length
...rom the canonical/string representation, or not have a UUID object type at all; the UUID might be stored in string form in a file, making comparison with the binary form cumbersome, etc.
– TaylanUB
Jun 12 '18 at 7:50
...
How to “EXPIRE” the “HSET” child key in redis?
I need to expire all keys in redis hash, which are older than 1 month.
11 Answers
11
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Boolean.hashCode()
...ite objects it's common to add the hash codes for the components. If too small values are used in a hash set with a large number of buckets there's a risk of ending up with an uneven distribution of objects.
Do collisions matter? Booleans just have two different values anyway?
Maps can contain bool...
advantage of tap method in ruby
...= User.new
user.username = "foobar"
user.save!
they would have to follow all the three lines and then recognize that it is just creating an instance named user.
If it were:
user = User.new.tap do |u|
u.username = "foobar"
u.save!
end
then that would be immediately clear. A reader would not...
Undoing a commit in TortoiseSVN
... Don't forget to commit afterwards, because it just merges locally.
– pihentagy
Apr 26 '11 at 10:38
5
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Packing NuGet projects compiled in release mode?
...ase mode? Or is there some reason I should only publish (make available locally, in this case) packages compiled in debug mode?
...
Chrome Developer Tools: How to find out what is overriding a CSS rule?
...
what if ALL of them are cancelled? Probably due to a script? How do you find out who did it?
– darkgaze
Jun 23 '17 at 8:28
...
Pure virtual destructor in C++
...ing from A and then try to delete or destroy it, A's destructor will eventually be called. Since it is pure and doesn't have an implementation, undefined behavior will ensue. On one popular platform, that will invoke the purecall handler and crash.
Edit: fixing the declaration to be more conformant...