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Fragment in ViewPager using FragmentPagerAdapter is blank the second time it is viewed
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I removed it from my code now. The fragment manager was causing the issue. Try toggling between getchildfragmentmanager and getfragmentmanager
– j2emanue
Nov 1 '17 at 1:27
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What are the differences between a pointer variable and a reference variable in C++?
I know references are syntactic sugar, so code is easier to read and write.
41 Answers
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Skip a submodule during a Maven build
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Excellent answer! I don't know why I had so much trouble finding this out of the Maven docs. The one suggestion I would make is that because I prefer the integration tests to be run by default, I added activeByDefault to that profile, and then had to ...
Javascript when to use prototypes
...ultiple Car() instances.
var volvo = new Car(),
saab = new Car();
Now, you know each car will need to drive, turn on, etc. Instead of attaching a method directly to the Car() class (which takes up memory per each instance created), you can attach the methods to the prototype instead (creat...
Webview load html from assets directory
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wv.loadUrl("file:///android_asset/aboutcertified.html"); // now it will not fail here
}
}
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Does const mean thread-safe in C++11?
...ration --at least not in respect to data races--.
Does that mean const is now the equivalent of Java's synchronized?
No. Not at all...
Consider the following overly simplified class representing a rectangle:
class rect {
int width = 0, height = 0;
public:
/*...*/
void set_size( int ne...
How to securely store access token and secret in Android?
...instead of the actual username password:
Third party apps don't need to know the password and the user can be sure that they only send it to the original site (Facebook, Twitter, Gmail, etc.)
Even if someone steals a token, they don't get to see the password (which the user might be using on other...
How to increment a pointer address and pointer's value?
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@Lundin Hi, is the answer above corrected now? Thanks.
– Unheilig
Mar 11 '14 at 22:51
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Is there a way to cause git-reflog to show a date alongside each entry?
... The problem with this is that %gd doesn't show the same date as @{now} does. When searching the reflog, knowing the exact time can be really important ("I know it was in the right state at 8:57" for example).
– ErikE
Jul 21 '15 at 19:50
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client secret in OAuth 2.0
... is even part in the spec that distributed apps should not use this token. Now you might ask, but XYZ requires it in order to work. In that case they are not implementing the spec properly and you should A not use that service (not likely) or B try to secure token using some obfuscating methods to m...