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Java synchronized method lock on object, or method?
If I have 2 synchronized methods in the same class, but each accessing different variables, can 2 threads access those 2 methods at the same time? Does the lock occur on the object, or does it get as specific as the variables inside the synchronized method?
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Execution time of C program
I have a C program that aims to be run in parallel on several processors. I need to be able to record the execution time (which could be anywhere from 1 second to several minutes). I have searched for answers, but they all seem to suggest using the clock() function, which then involves calculating...
PostgreSQL delete with inner join
i am getting the following error PostgreSQL 8.2.11
5 Answers
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Check for internet connection availability in Swift
Is there a way to check if the internet connection is available using Swift?
10 Answers
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Iterate an iterator by chunks (of n) in Python? [duplicate]
Can you think of a nice way (maybe with itertools) to split an iterator into chunks of given size?
9 Answers
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What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
In Java, we have Collections.emptyList() and Collections.EMPTY_LIST . Both have the same property:
4 Answers
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How to set custom header in Volley Request
How can custom headers be set for a Volley request? At the moment, there is way to set body content for a POST request. I've a simple GET request, but I need to pass the custom headers alongwith. I don't see how JsonRequest class supports it. Is it possible at all?
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What does MissingManifestResourceException mean and how to fix it?
The situation:
22 Answers
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optional parameters in SQL Server stored proc?
I'm writing some stored procs in SQL Server 2008, and wondered if the concept of optional input parameters is possible here?
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MySQL remove all whitespaces from the entire column
Is there a way to remove all whitespaces from a specific column for all values?
5 Answers
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