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ExecutorService, how to wait for all tasks to finish
What is the simplest way to to wait for all tasks of ExecutorService to finish? My task is primarily computational, so I just want to run a large number of jobs - one on each core. Right now my setup looks like this:
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How bad is shadowing names defined in outer scopes?
I just switched to Pycharm and I am very happy about all the warnings and hints it provides me to improve my code. Except for this one which I don't understand:
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Standard alternative to GCC's ##__VA_ARGS__ trick?
There is a well-known problem with empty args for variadic macros in C99.
10 Answers
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How do I get the application exit code from a Windows command line?
I am running a program and want to see what its return code is (since it returns different codes based on different errors).
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Git is ignoring files that aren't in gitignore
I have a git repository that is ignoring image files as well as a few other files, but my .gitignore file only has it ignoring a config.php file. Is there some global ignore file somewhere that I can't seem to find? I have to specify files to add them now, and it's giving me this warning:
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Pure JavaScript Graphviz equivalent [closed]
Is anyone aware of a pure, Javascript based implementation of the directional flow diagrams that GraphViz is capable of generating? I am NOT interested in pretty visuals output, but the computations to figure out the maximum depth of each node, along with the layout of bezier lines that are optimize...
LISTAGG in Oracle to return distinct values
I am trying to use the LISTAGG function in Oracle. I would like to get only the distinct values for that column. Is there a way in which I can get only the distinct values without creating a function or a procedure?
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How can I create tests in Android Studio?
Just downloaded Android Studio which is based off of the Intellij Idea.
12 Answers
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Why is Java's SimpleDateFormat not thread-safe? [duplicate]
Please tell with a code example why is SimpleDateFormat not threadsafe. What is the problem in this class?
Is The problem with format function of SimpleDateFormat ?
Please give a code which demonstrates this fault in class.
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What is the proper declaration of main?
What is the proper signature of the main function in C++? What is the correct return type, and what does it mean to return a value from main ? What are the allowed parameter types, and what are their meanings?
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