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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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Shuffling a list of objects
I have a list of objects and I want to shuffle them. I thought I could use the random.shuffle method, but this seems to fail when the list is of objects. Is there a method for shuffling objects or another way around this?
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Python Dictionary to URL Parameters
I am trying to convert a Python dictionary to a string for use as URL parameters. I am sure that there is a better, more Pythonic way of doing this. What is it?
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What's the difference between “mod” and “remainder”?
My friend said that there are differences between "mod" and "remainder".
5 Answers
5
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What's the difference between & and && in MATLAB?
What is the difference between the & and && logical operators in MATLAB?
7 Answers
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How to get all subsets of a set? (powerset)
Given a set
26 Answers
26
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Callback functions in Java
Is there a way to pass a call back function in a Java method?
17 Answers
17
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Difference between declaring variables before or in loop?
I have always wondered if, in general, declaring a throw-away variable before a loop, as opposed to repeatedly inside the loop, makes any (performance) difference?
A (quite pointless) example in Java:
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Split files using tar, gz, zip, or bzip2 [closed]
I need to compress a large file of about 17-20 GB. I need to split it into several files of around 1GB per file.
4 Answers
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In Javascript, how to conditionally add a member to an object?
I would like to create an object with a member added conditionally.
The simple approach is:
22 Answers
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