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Why can't I declare static methods in an interface?
...}
The first is impossible for the reasons that Espo mentions: you don't know which implementing class is the correct definition.
Java could allow the latter; and in fact, starting in Java 8, it does!
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string.charAt(x) or string[x]?
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Bracket notation now works on all major browsers, except for IE7 and below.
// Bracket Notation
"Test String1"[6]
// charAt Implementation
"Test String1".charAt(6)
It used to be a bad idea to use brackets, for these reasons (Source):
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Same Navigation Drawer in different Activities
...ike it's shown in the tutorial on the developer.android.com website. But now, I want to use one Navigation Drawer, i created in the NavigationDrawer.class for multiple Activities in my Application.
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Export CSS changes from inspector (webkit, firebug, etc)
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This project is now abandoned. It's a shame :-(
– Damon Hill
Jul 12 at 11:36
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Better explanation of when to use Imports/Depends
...function.
This is why using namespaces is such a good practice, why it is now enforced by CRAN, and (in particular) why using "Imports" is safer than using "Depends".
Edited to add an important caveat:
There is one unfortunately common exception to the advice above: if your package relies on a ...
Rails: update_attribute vs update_attributes
...nd(name.to_s + '=', value)
2616: save(false)
2617: end
and now refer update_attributes and look at its code you get
# File vendor/rails/activerecord/lib/active_record/base.rb, line 2621
2621: def update_attributes(attributes)
2622: self.attributes = attributes
26...
How to check if activity is in foreground or in visible background?
...liably. You might have the following situation: Resume A Resume B Pause A. Now activityVisible is false whereas the application is visible. Perhaps you use a visibility counter: visibleCounter ++ in onResume and visibleCounter -- in onPause.
– Joris Weimar
Mar ...
How do I uninstall a Windows service if the files do not exist anymore?
... Method 3 backfired for me too on Windows 7. Service is there now with Description <Failed to Read Description. Error Code: 2>
– Zugwalt
Mar 18 '14 at 16:55
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Is there any way to redraw tmux window when switching smaller monitor to bigger one?
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This answer gets props for detail and knowledge base. But see Shi B.'s answer Ctrl-b + D for ease of use (and remembering).
– fbicknel
Sep 8 '17 at 15:37
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get NSDate today, yesterday, this Week, last Week, this Month, last Month… variables
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Adapted from the Date and Time Programming Guide:
// Right now, you can remove the seconds into the day if you want
NSDate *today = [NSDate date];
// All intervals taken from Google
NSDate *yesterday = [today dateByAddingTimeInterval: -86400.0];
NSDate *thisWeek = [today dateByAddi...