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How can I return to a parent activity correctly?
I have 2 activities (A and B) in my android application and I use an intent to get from activity A to activity B. The use of parent_activity is enabled:
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In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?
simple question, but its been nagging me for a while now....
4 Answers
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How to join two sets in one line without using “|”
...edited Jun 26 '17 at 12:03
Rishabh Agrahari
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answered Jul 2 '13 at 15:57
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NULL vs nullptr (Why was it replaced?) [duplicate]
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nullptr is always a pointer type. 0 (aka. C's NULL bridged over into C++) could cause ambiguity in overloaded function resolution, among other things:
f(int);
f(foo *);
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Short form for Java if statement
...me() == null) ? "N/A" : city.getName());
I think you have the conditions backwards - if it's null, you want the value to be "N/A".
What if city is null? Your code *hits the bed in that case. I'd add another check:
name = ((city == null) || (city.getName() == null) ? "N/A" : city.getName());
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How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
We have all heard that one should never rebase published work, that it’s dangerous, etc. However, I have not seen any recipes posted for how to deal with the situation in case a rebase is published.
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How to see full query from SHOW PROCESSLIST
...hen I issue SHOW PROCESSLIST query, only first 100 characters of the running SQL query are returned in the info column.
5 A...
Write a number with two decimal places SQL server
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Chanoch
46866 silver badges1414 bronze badges
answered Feb 12 '09 at 13:35
ManojManoj
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Why must we define both == and != in C#?
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I can't speak for the language designers, but from what I can reason on, it seems like it was intentional, proper design decision.
Looking at this basic F# code, you can compile this into a working library. This is legal code for F#, and only overloads the equality...
Setting mime type for excel document
MS Excel has the following observed MIME types:
7 Answers
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