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Consistency of hashCode() on a Java string
... you shouldn't rely on a hash code implementation remaining the same, it's now documented behaviour for java.lang.String, so changing it would count as breaking existing contracts.
Wherever possible, you shouldn't rely on hash codes staying the same across versions etc - but in my mind java.lang.St...
Swipe to Delete and the “More” button (like in Mail app on iOS 7)
...sForRowAtIndexPath:
- tableView:commitEditingStyle:forRowAtIndexPath:
Known Issues
The documentation says tableView:commitEditingStyle:forRowAtIndexPath is:
"Not called for edit actions using UITableViewRowAction - the action's handler will be invoked instead."
However, the swiping doesn'...
Multi flavor app based on multi flavor library in Android Gradle
... market2Compile project(path: ':lib', configuration: 'market2Release')
}
Now you can select the app flavor and Build Variants panel and the library will be selected accordingly and all build and run will be done based on the selected flavor.
If you have multiple app module based on the library An...
Best way to merge two maps and sum the values of same key?
...
The shortest answer I know of that uses only the standard library is
map1 ++ map2.map{ case (k,v) => k -> (v + map1.getOrElse(k,0)) }
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What's the difference between passing by reference vs. passing by value?
...by value vs. pass by reference" distinction as defined in the CS theory is now obsolete because the technique originally defined as "pass by reference" has since fallen out of favor and is seldom used now.1
Newer languages2 tend to use a different (but similar) pair of techniques to achieve the sam...
Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0
...e as marking
explicit and setting the value 0.
Update 1:
This bug has now been fixed in Xcode 6 GM.
Original Answer
This is a bug in Xcode6-Beta6 and XCode6-Beta7 and can be safely ignored for now.
An Apple engineer in the Apple Developer forums had this to say about the bug:
Preferred ma...
Using OpenGl with C#? [closed]
...r SDL2#.
Update 30th June 2020: OpenTK has had new maintainers for a while now and has an active discord community. So the previous recommendation of using another library isn't necessarily true.
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How to pass an object into a state using UI-router?
... here for convenience:
christopherthielen: Yes, this should be working now in 0.2.13.
.state('foo', { url: '/foo/:param1?param2', params: { param3:
null } // null is the default value });
$state.go('foo', { param1: 'bar', param2: 'baz', param3: { id: 35,
name: 'what' } });
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Getting “unixtime” in Java
...a 8 you can use
import java.time.Instant
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long unixTimestamp = Instant.now().getEpochSecond();
Instant.now() returns an Instant that represents the current system time. With getEpochSecond() you get the epoch seconds (unix time) from the Instant.
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how do I make a single legend for many subplots with matplotlib?
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I know the lines which I want to put in the legend, but how do I get the lines variable to put in the argument for legend ?
– patapouf_ai
Apr 10 '17 at 12:51
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