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In C#, why is String a reference type that behaves like a value type?
A String is a reference type even though it has most of the characteristics of a value type such as being immutable and having == overloaded to compare the text rather than making sure they reference the same object.
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How to change the commit author for one specific commit?
I want to change the author of one specific commit in the history. It's not the last commit.
19 Answers
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How can I nullify css property?
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You have to reset each individual property back to its default value. It's not great, but it's the only way, given the information you've given us.
In your example, you would do:
.c1 {
height: auto;
}
You should search for each property here:
https://developer.mozill...
Java: Multiple class declarations in one file
...classes in a single source file) would be "mess". Seriously, I don't think it's a good idea - I'd use a nested type in this situation instead. Then it's still easy to predict which source file it's in. I don't believe there's an official term for this approach though.
As for whether this actually c...
How can I maintain fragment state when added to the back stack?
I've written up a dummy activity that switches between two fragments. When you go from FragmentA to FragmentB, FragmentA gets added to the back stack. However, when I return to FragmentA (by pressing back), a totally new FragmentA is created and the state it was in is lost. I get the feeling I'm ...
Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
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Even without the for(;;); how would the attacker get the data?
Attacks are based on altering the behaviour of the built-in types, in particular Object and Array, by altering their constructor function or its prototype. Then when ...
What is the difference between bottom-up and top-down?
...r answers said that "bottom-up is memoization" ("assume the subproblems"), it may be the inverse (that is, "top-down" may be "assume the subproblems" and "bottom-up" may be "compose the subproblems"). Previously, I have read on memoization being a different kind of dynamic programming as opposed to ...
What is PostgreSQL explain telling me exactly?
MySQL's explain output is pretty straightforward. PostgreSQL's is a little more complicated. I haven't been able to find a good resource that explains it either.
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When is a function too long? [closed]
35 lines, 55 lines, 100 lines, 300 lines? When you should start to break it apart? I'm asking because I have a function with 60 lines (including comments) and was thinking about breaking it apart.
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Best practice for storing and protecting private API keys in applications [closed]
...p developers will integrate some third party libraries into their apps. If it's to access a service, such as Dropbox or YouTube, or for logging crashes. The number of third party libraries and services is staggering. Most of those libraries and services are integrated by somehow authenticating with ...