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Rails server says port already used, how to kill that process?
I'm on a mac, doing:
12 Answers
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How do I force Postgres to use a particular index?
How do I force Postgres to use an index when it would otherwise insist on doing a sequential scan?
6 Answers
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How does a Linux/Unix Bash script know its own PID?
I have a script in Bash called Script.sh , and it needs to know its own PID (i.e. I need to get PID inside the Script.sh )
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How do you add an in-app purchase to an iOS application?
How do you add an in-app purchase to an iOS app? What are all the details and is there any sample code?
5 Answers
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How do I pass multiple parameters in Objective-C?
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Objective-C doesn't have named parameters, so everything on the left side of a colon is part of the method name. For example,
getBusStops: forTime:
is the name of the method. The name is broken up so it can be more descriptive. You could simply name your method
getBusStops:...
Getting the name of a child class in the parent class (static context)
I'm building an ORM library with reuse and simplicity in mind; everything goes fine except that I got stuck by a stupid inheritance limitation. Please consider the code below:
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Stop handler.postDelayed()
...ou can use:
handler.removeCallbacksAndMessages(null);
Docs
public final void removeCallbacksAndMessages (Object token)
Added in API level 1 Remove any pending posts of callbacks and sent
messages whose obj is token. If token is null, all callbacks and
messages will be removed.
Or ...
Why would an Enum implement an Interface?
I just found out that Java allows enums to implement an interface. What would be a good use case for that?
16 Answers
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What can , and be used for?
Can anyone clarify how we can use in general, or a in real world example, this snippet?
2 Answers
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Recommendations of Python REST (web services) framework? [closed]
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Something to be careful about when designing a RESTful API is the conflation of GET and POST, as if they were the same thing. It's easy to make this mistake with Django's function-based views and CherryPy's default dispatcher, alth...